CN1803960A - Bonding - Adhesives - Google Patents
Bonding - Adhesives Download PDFInfo
- Publication number
- CN1803960A CN1803960A CN 200510119285 CN200510119285A CN1803960A CN 1803960 A CN1803960 A CN 1803960A CN 200510119285 CN200510119285 CN 200510119285 CN 200510119285 A CN200510119285 A CN 200510119285A CN 1803960 A CN1803960 A CN 1803960A
- Authority
- CN
- China
- Prior art keywords
- adhesive
- alpha
- methyl styrene
- hydrogenation
- segmented copolymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000853 adhesive Substances 0.000 title claims abstract description 58
- 230000001070 adhesive effect Effects 0.000 title description 49
- 229920000642 polymer Polymers 0.000 claims abstract description 76
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical group CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 claims abstract description 75
- 229920001400 block copolymer Polymers 0.000 claims abstract description 9
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 claims abstract 4
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims abstract 4
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 43
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical group CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 35
- 150000001993 dienes Chemical group 0.000 claims description 31
- 150000001875 compounds Chemical class 0.000 claims description 13
- 239000003999 initiator Substances 0.000 claims description 8
- 239000012454 non-polar solvent Substances 0.000 claims description 6
- 150000002642 lithium compounds Chemical class 0.000 claims description 2
- ARBPFSQSNAYMGM-UHFFFAOYSA-N [Li]C(C)=CC1=CC=CC=C1 Chemical compound [Li]C(C)=CC1=CC=CC=C1 ARBPFSQSNAYMGM-UHFFFAOYSA-N 0.000 claims 1
- 229920001577 copolymer Polymers 0.000 description 85
- 238000005984 hydrogenation reaction Methods 0.000 description 80
- 238000006116 polymerization reaction Methods 0.000 description 66
- 238000002360 preparation method Methods 0.000 description 43
- 238000006243 chemical reaction Methods 0.000 description 39
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 34
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 33
- 238000005160 1H NMR spectroscopy Methods 0.000 description 31
- 229920005989 resin Polymers 0.000 description 31
- 239000011347 resin Substances 0.000 description 31
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 30
- 239000004793 Polystyrene Substances 0.000 description 29
- 229920002223 polystyrene Polymers 0.000 description 29
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 28
- -1 vinyl aromatic compounds Chemical class 0.000 description 21
- 238000000034 method Methods 0.000 description 19
- 238000005227 gel permeation chromatography Methods 0.000 description 18
- 229910052757 nitrogen Inorganic materials 0.000 description 17
- 239000003795 chemical substances by application Substances 0.000 description 16
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 16
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 14
- 238000007334 copolymerization reaction Methods 0.000 description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 13
- 239000002904 solvent Substances 0.000 description 13
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- 239000012298 atmosphere Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 12
- 238000004611 spectroscopical analysis Methods 0.000 description 12
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 239000000178 monomer Substances 0.000 description 11
- 229920002857 polybutadiene Polymers 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 10
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 10
- 229920003251 poly(α-methylstyrene) Polymers 0.000 description 10
- 229920001195 polyisoprene Polymers 0.000 description 10
- 239000005062 Polybutadiene Substances 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- WGOPGODQLGJZGL-UHFFFAOYSA-N lithium;butane Chemical compound [Li+].CC[CH-]C WGOPGODQLGJZGL-UHFFFAOYSA-N 0.000 description 9
- 229920002587 poly(1,3-butadiene) polymer Polymers 0.000 description 9
- KZNRNQGTVRTDPN-UHFFFAOYSA-N 2-chloro-1,4-dimethylbenzene Chemical compound CC1=CC=C(C)C(Cl)=C1 KZNRNQGTVRTDPN-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 238000002844 melting Methods 0.000 description 8
- 229920013730 reactive polymer Polymers 0.000 description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 7
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- SDJHPPZKZZWAKF-UHFFFAOYSA-N 2,3-dimethylbuta-1,3-diene Chemical compound CC(=C)C(C)=C SDJHPPZKZZWAKF-UHFFFAOYSA-N 0.000 description 6
- 239000004831 Hot glue Substances 0.000 description 6
- 239000002390 adhesive tape Substances 0.000 description 6
- 125000001931 aliphatic group Chemical group 0.000 description 6
- 229920001971 elastomer Polymers 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 5
- 230000018044 dehydration Effects 0.000 description 5
- 238000006297 dehydration reaction Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 5
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 5
- 150000002900 organolithium compounds Chemical class 0.000 description 5
- 239000003208 petroleum Substances 0.000 description 5
- 229920002742 polystyrene-block-poly(ethylene/propylene) -block-polystyrene Polymers 0.000 description 5
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 4
- 229920000428 triblock copolymer Polymers 0.000 description 4
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 239000004902 Softening Agent Substances 0.000 description 3
- 150000004678 hydrides Chemical class 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920002743 polystyrene-poly(ethylene-ethylene/propylene) block-polystyrene Polymers 0.000 description 3
- 150000003097 polyterpenes Chemical class 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 229920003046 tetrablock copolymer Polymers 0.000 description 3
- NVZWEEGUWXZOKI-UHFFFAOYSA-N 1-ethenyl-2-methylbenzene Chemical compound CC1=CC=CC=C1C=C NVZWEEGUWXZOKI-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 239000002313 adhesive film Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 229920005601 base polymer Polymers 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- MTZQAGJQAFMTAQ-UHFFFAOYSA-N ethyl benzoate Chemical compound CCOC(=O)C1=CC=CC=C1 MTZQAGJQAFMTAQ-UHFFFAOYSA-N 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000011256 inorganic filler Substances 0.000 description 2
- 229910003475 inorganic filler Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- QPJVMBTYPHYUOC-UHFFFAOYSA-N methyl benzoate Chemical compound COC(=O)C1=CC=CC=C1 QPJVMBTYPHYUOC-UHFFFAOYSA-N 0.000 description 2
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- FJBFPHVGVWTDIP-UHFFFAOYSA-N dibromomethane Chemical compound BrCBr FJBFPHVGVWTDIP-UHFFFAOYSA-N 0.000 description 1
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- NZZFYRREKKOMAT-UHFFFAOYSA-N diiodomethane Chemical compound ICI NZZFYRREKKOMAT-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Graft Or Block Polymers (AREA)
Abstract
本发明提供了具有优异的高温内聚力的粘合－胶粘剂，其含有具有主要由α－甲基苯乙烯单元构成的聚合物嵌段(A)，以及主要由共轭二烯单元构成且碳－碳不饱和双键的至少一部分可以被氢化的聚合物嵌段(B)的嵌段共聚物，且该粘合－胶粘剂在60℃下的内聚力以分钟计大于等于24分钟。所述嵌段共聚物含有：(1)数均分子量为1,000～300,000的聚合物嵌段(A)以及(2)含有数均分子量为500～10,000，其1，4－结合量不足30％的聚合物嵌段(b1)及数均分子量为10,000～400,000，其1，4－结合量为30％以上的聚合物嵌段(b2)的聚合物嵌段(B)，并且含有至少一个(A－b1－b2)构造。The present invention provides an adhesive-adhesive having excellent high-temperature cohesion, which contains a polymer block (A) mainly composed of α-methylstyrene units, and a carbon-carbon A block copolymer of polymer block (B) in which at least a part of the unsaturated double bonds can be hydrogenated, and the cohesion force of the adhesive-adhesive at 60° C. is greater than or equal to 24 minutes in minutes. The block copolymer contains: (1) a polymer block (A) having a number average molecular weight of 1,000 to 300,000; A polymer block (b1) and a polymer block (B) of a polymer block (b2) having a number average molecular weight of 10,000 to 400,000 and a 1,4-bonding amount of 30% or more, and containing at least one (A -b1-b2) structure.
Description
The application is Chinese patent application number 01803984.7 divides an application of submitting November 20 calendar year 2001.
Technical field
The present invention relates to a kind of adhesive and be applicable to the segmented copolymer of this adhesive, specifically, relate to a kind of segmented copolymer that is applicable to the adhesive of hot-melting type adhesive purposes and is applicable to this adhesive.
Background technology
Various polymkeric substance such as the segmented copolymer of ethylene-vinyl acetate copolymer, vinylbenzene and conjugated diolefine and hydride thereof, ethene-alpha-olefin copolymer, vibrin are often used as the base polymer of hot-melting type adhesive.Especially the segmented copolymer that constitutes of vinylbenzene and conjugated diolefine, because its opening time is long, the harmony of tackiness and confining force is better, the therefore suitable tackiness agent of the sanitary material that abandons after the use, the tackiness agent of surface protective film of being used as.For example, at public clear 45-41518 communique (the corresponding United States Patent (USP) the 3rd of spy, 427, No. 269) in, the adhesive compound that is made of straight-chain block copolymers such as polystyrene-poly divinyl-polystyrene or polystyrene-poly isoprene-polystyrene is disclosed.The hot-melt adhesive composition that branched block copolymer is arranged of use (polystyrene-poly divinyl) nX is disclosed in the special public clear 56-49958 communique in addition.
But, the adhesive that these segmented copolymers that are made of vinylbenzene and conjugated diolefine are formed, because this segmented copolymer as base polymer, the second-order transition temperature of its polystyrene block (Tg) is about 100 ℃, therefore under hot conditions, the force of cohesion of adhesive (confining force) becomes problem, and people wish that always its force of cohesion (confining force) improves.
Summary of the invention
The objective of the invention is to solve the above-mentioned technical problem that in the past existed, a kind of segmented copolymer that has the adhesive of excellent confining force and be applicable to this adhesive is provided.
Inventors of the present invention in order to solve above-mentioned problem, have carried out deep repeatedly research, it found that, the adhesive that contains the segmented copolymer that is made of alpha-methyl styrene and conjugated diolefine can be finished above-mentioned purpose, thereby has finished the present invention.
Promptly, on the one hand, the present invention relates to a kind of adhesive, this adhesive contains and has the polymer blocks (A) that mainly is made of the alpha-methyl styrene unit, and main be made of conjugated diene unit and the segmented copolymer polymer blocks (B) that carbon-to-carbon unsaturated double-bond at least a portion can be hydrogenated, and the force of cohesion (confining force) of this adhesive under 60 ℃ is in minute more than or equal to 24 minutes.
In a scheme, the force of cohesion (confining force) of the above-mentioned adhesive that the present invention relates under 80 ℃ is in minute more than or equal to 47 minutes.
In a scheme, the described segmented copolymer among the above-mentioned adhesive that the present invention relates to contains:
(1) number-average molecular weight be 1,000～300,000 polymer blocks (A) and
(2) containing number-average molecular weight is 500～10,000, its 1, polymer blocks of 4-binding capacity less than 30% (b 1) and number-average molecular weight are 10,000～400,000, its 1, the 4-binding capacity is the polymer blocks (B) of the polymer blocks (b2) more than 30%,
And contain at least one (A-b1-b2) structure.
In another program, the above-mentioned adhesive that the present invention relates to is characterised in that segmented copolymer contains at least one (A-b1-b2) structure, and this structure is made through the following steps:
(1) in non-polar solvent, use organolithium compound as initiator, in concentration is in the presence of the polar compound of 0.1～10 weight %, under-30 ℃～30 ℃ temperature, be that the alpha-methyl styrene polymerization of 5～50 weight % forms polymer blocks (A) with concentration
(2) subsequently, for active poly alpha methylstyrene base lithium, with the polymerization of conjugated dienes of 1～100 molar equivalent and form polymer blocks (b1),
Be higher than 30 ℃ temperature under, remaining polymerization of conjugated dienes formed polymer blocks (b2) (3) thereafter.
In a scheme, the conjugated diene unit among the above-mentioned adhesive that the present invention relates in the polymer blocks (B) is mainly 1,3-butadiene and/or isoprene unit.
In a scheme, the conjugated diene unit among the above-mentioned adhesive that the present invention relates in the polymer blocks (B) is mainly the 1,3-butadiene unit.
In a scheme, at least a portion of the carbon-to-carbon unsaturated double-bond of polymer blocks (B) is hydrogenated (the following hydrogenation that is also referred to as sometimes) among the above-mentioned adhesive that the present invention relates to, and preferably at least 50% of the carbon-to-carbon unsaturated double-bond is hydrogenated.
On the other hand, the present invention relates to a kind of segmented copolymer, it contains mainly the polymer blocks (B) that the polymer blocks (A) that is made of the alpha-methyl styrene unit and at least a portion that mainly be made of conjugated diene unit, in the carbon-to-carbon unsaturated double-bond can be hydrogenated, it is characterized in that described segmented copolymer contains:
(1) number-average molecular weight be 1,000～300,000 polymer blocks (A) and
(2) containing number-average molecular weight is 500～10,000, its 1, the polymer blocks (b1) and the number-average molecular weight of 4-binding capacity less than 30% are 10,000～400,000, its 1, the 4-binding capacity is the polymer blocks (B) of the polymer blocks (b2) more than 30%,
And contain at least one (A-b1-b2) structure.
In a scheme, the conjugated diene unit that constitutes block b1 and block b2 among the above-mentioned segmented copolymer that the present invention relates to is 1,3-butadiene unit and/or isoprene unit.
In another scheme, the conjugated diene unit that constitutes block b1 and block b2 among the above-mentioned segmented copolymer that the present invention relates to all is the 1,3-butadiene unit.
In another scheme, at least a portion of carbon-to-carbon unsaturated double-bond that derives from the conjugated diene unit of polymer blocks (B) among the above-mentioned segmented copolymer that the present invention relates to is hydrogenated.
Embodiment
The polymer blocks (A) of segmented copolymer that constitutes adhesive involved in the present invention is based on the alpha-methyl styrene unit.In order to improve the confining force of prepared adhesive, the alpha-methyl styrene in this polymer blocks (A) is preferably more than the 50 weight %, more preferably more than the 70 weight %, most preferably is more than the 90 weight %.
In addition, in the scope of not damaging purport of the present invention, the polymer blocks of segmented copolymer involved in the present invention (A) can other monomer of copolymerization.If the monomer of this monomer for carrying out anionoid polymerization, generally unqualified to it, but preference such as vinylbenzene, o-methyl styrene, a vinyl toluene, p-methylstyrene, 1, vinyl aromatic compounds such as 3-dimethyl styrene, toluylene; 1,3-butadiene, isoprene, 2,3-dimethyl-1,3-butadiene equiconjugate diene.Be preferably vinylbenzene, p-methylstyrene, 1,3-butadiene, isoprene especially.
The form of other monomer copolymerization when polymer blocks (A) is gone up do not had special restriction, can be random shape, can be taper yet.
Constitute the segmented copolymer of adhesive of the present invention, the conjugated diolefine that constitutes its polymer blocks (B) is 1,3-butadiene, isoprene, 2,3-dimethyl-1,3-butadiene equiconjugate diene.These conjugated diolefines may be used alone, used in two or more.In this conjugated diolefine, preferred 1,3-butadiene, isoprene, preferred especially 1,3-butadiene.
In addition, in the scope of not damaging purport of the present invention, this polymer blocks (B) can carry out copolymerization with other anionoid polymerization monomer that does not comprise alpha-methyl styrene beyond the conjugated diene compound.The form of copolymerization does not have special restriction, can be random shape or taper.When polymer blocks (B) polymerization, polymer blocks (A) is if remaining alpha-methyl styrene and conjugated diene compound copolymerization during polymerization before this, then force of cohesion reduces, can't reach effect of the present invention, copolymerization does not take place in fact in therefore preferred conjugated diene compound and alpha-methyl styrene.
In addition, the structure that is used for segmented copolymer of the present invention not only is defined as the straight chain shape, it is dendritic etc. to divide, and wherein preferred structure comprises the mixture, A-B-A-B type Tetrablock copolymer, (A-B) nX type radial copolymer (X represents the coupler residue) of A-B-A type triblock copolymer, A-B-A type triblock copolymer and A-B type Synthetic rubber, isoprene-styrene, hydrogenated, block, diblock etc.These segmented copolymers can use a kind separately, also can use the mixture more than 2 kinds.
And then, in the scope of not damaging purport of the present invention, also other polymer blocks (C) can be carried out copolymerization, the structure of segmented copolymer comprises A-B-C type triblock copolymer, A-B-C-A type Tetrablock copolymer, A-B-A-C type Tetrablock copolymer etc.
And then, from viewpoints such as the bond properties that improves adhesive involved in the present invention, heat-resistant aging, weathering resistancies, preferably, block polymer is carried out hydrogenation.The ratio of hydrogenation limits especially, can be at least with derive from conjugated diolefine in the segmented copolymer whole carbon-to-carbon unsaturated double-bonds carry out hydrogenation more than 30%, preferred more than 50%, more preferably more than 80%.
And then, under the prerequisite of not damaging purport of the present invention, segmented copolymer in molecular chain or molecular end can contain functional groups such as carboxyl, hydroxyl, anhydride group, amino, epoxy group(ing).
As the preparation method of segmented copolymer used in the present invention, for carrying out the synthetic method with anionoid polymerization, shown below is concrete synthesis example.
(1) in tetrahydrofuran solvent, after carrying out polymerization of conjugated dienes with the dianion series initiators, under-78 ℃ temperature condition, the alpha-methyl styrene successive polymerization is obtained the method (Macromolecules of A-B-A type segmented copolymer, (1969), 2 (5), 453-458), (2) with the negatively charged ion series initiators alpha-methyl styrene is carried out polymerization after, one by one conjugated diolefine is carried out polymerization, carry out coupled reaction with couplers such as tetrachloro silicanes then and make method (Kautsch, the Gummi of (A-B) nX type segmented copolymer, Kunstst., (1984), 37 (5), 377-379; Polym.Bull., (1984), 12,71-77), (3) with organolithium compound in the non-polar solvent as initiator, in concentration is in the presence of the polar compound of 0.1～10 weight %, under-30 ℃～30 ℃ temperature, to concentration is that the alpha-methyl styrene of 5～50 weight % carries out polymerization, after conjugated-diolefin (co) polymer being incorporated on the reactive polymer for preparing, thereby add the method that coupler prepares A-B-A type segmented copolymer, or (4) are in non-polar solvent, with organolithium compound as initiator, in concentration is in the presence of the polar compound of 0.1～10 weight %, under-30 ℃～30 ℃ temperature, to concentration is that the alpha-methyl styrene of 5～50 weight % carries out polymerization, conjugated-diolefin (co) polymer is incorporated on the reactive polymer of preparation, on the reactive polymer of the segmented copolymer that anionoid polymerization monomer polymerization that will be except that alpha-methyl styrene constitutes to alpha-methyl styrene polymer block and conjugated diolefin polymer block by preparation and prepare the method for A-B-C type segmented copolymer.
In the concrete preparation method of above-mentioned segmented copolymer, preferably adopt method (3) and (4), especially preferably adopt method (3).
Below method (3) is described in detail.
In aforesaid method, can use single lithium compounds such as n-Butyl Lithium, s-butyl lithium, tert-butyl lithium as the organolithium compound of polymerization starter, and two-lithium compound such as tetraethyl-two lithiums, these compounds may be used singly or in combination of two or more.
The solvent that uses when the alpha-methyl styrene polymerization is non-polar solvent, for example can use aliphatic hydrocarbons such as hexanaphthene, methylcyclohexane, normal hexane, Skellysolve A; Aromatic hydrocarbon such as benzene,toluene,xylene etc.These solvents can be used alone or mixed use of two or more.
The polar compound that uses when the alpha-methyl styrene polymerization is not for containing functional group's (hydroxyl, carboxyl etc.) of reacting with the negatively charged ion kind, intramolecularly contains heteroatomic compounds such as Sauerstoffatom, nitrogen-atoms, for example can use ether, glycol dimethyl ether (モ ノ Network グ ラ イ system), Tetramethyl Ethylene Diamine, glycol dimethyl ether, tetrahydrofuran (THF) etc.These compounds can be used alone or mixed use of two or more.
From with high conversion with the alpha-methyl styrene polymerization, thereafter conjugated-diolefin (co) polymer is fashionable, in the control conjugated diolefin polymer block 1, the consideration of setting out of the viewpoint of 4-binding capacity, reaction system Semi-polarity compound concentrations is preferably in 0.1～10 weight % scope, more preferably, in 0.5～3 weight % scope.
From with high conversion with the alpha-methyl styrene polymerization, or consider from the viscosity aspect of polymerization late phase reaction solution, the concentration of alpha-methyl styrene is preferably in the scope of 5～50 weight % in the reaction system, more preferably in the scope of 10～40 weight %, most preferably in the scope of 25～40 weight %.
Above-mentioned polymerisation conversion is meant the conversion ratio that unpolymerized alpha-methyl styrene enters segmented copolymer by polymerization, and in the present invention, this polymerisation conversion is preferred more than 70%, more preferably more than 85%.
Consider from aspects such as the polymerization velocity of the courtyard temperature of alpha-methyl styrene (polyreaction reaches equilibrium state and the temperature of in fact no longer carrying out), alpha-methyl styrene and activity, temperature condition during the alpha-methyl styrene polymerization is preferably in-30 ℃～30 ℃ scope, more preferably in-20 ℃～10 ℃ scope, most preferably in-15 ℃～0 ℃ scope.Polymerization temperature is decided to be below 30 ℃, can be with high conversion with the alpha-methyl styrene polymerization, and then the ratio of the reactive polymer inactivation that generates is little, suppressed in the block polymer that equal poly alpha methylstyrene is blended into preparation, and rerum natura does not suffer damage.In addition, polymerization temperature is decided to be more than-30 ℃, not only in the polymerization later stage of alpha-methyl styrene, the rising of the soltion viscosity that do not react, and can stir, saved the essential expense of low-temperature condition of keeping, be preferred economically therefore.
In aforesaid method, do not have under the damaged prerequisite in the characteristic of alpha-methyl styrene polymer block, when the alpha-methyl styrene polymerization, can make other aromatic ethenyl compound coexistence, make itself and alpha-methyl styrene copolymerization.As aromatic ethenyl compound, comprise for example vinylbenzene, o-methyl styrene, a vinyl toluene, p-methylstyrene, 1,3-dimethyl styrene, vinyl naphthalene, vinyl anthracene etc.Can use a kind of or aromatic ethenyl compound more than 2 kinds.
As initiator,, therefore make conjugated diolefine and its polymerization subsequently with organolithium by the alpha-methyl styrene polymerization having been generated active poly alpha methylstyrene base lithium.
As conjugated diolefine, comprise for example 1,3-butadiene, isoprene, 2,3-dimethyl-1,3-butadiene, 1,3-pentadiene, 1,3-hexadiene etc.These compounds can use separately or also use more than 2 kinds.Wherein, preferred conjugated diolefine is 1,3-butadiene or isoprene, and these compounds can mix use, but preferred especially 1,3-butadiene.
Conjugated diolefine is supplied to polymerization by adding in the reaction system.The method of conjugated diolefine being added to reaction system has no particular limits, and can directly add in the active poly alpha methylstyrene base lithium solution, perhaps with adding behind the solvent cut again.The method that conjugated diolefine is added with solvent cut again can be to use solvent cut again after adding conjugated diolefine, perhaps conjugated diolefine and solvent is dropped into simultaneously, perhaps with adding conjugated diolefine behind the solvent cut again.Preferred following method: for active poly alpha methylstyrene base lithium, add 1～100 mole of equivalent, the conjugated diolefine that preferably is equivalent to 5～50 moles of equivalent, after the reactive terminal mutation with reactive polymer, use solvent cut again, with the conjugated diolefine input of remnants,, preferably in 40～80 ℃ temperature range, carry out polyreaction subsequently surpassing under 30 ℃ the temperature.
Here, the solvent that is used to dilute comprises for example aliphatic hydrocarbons such as hexanaphthene, methylcyclohexane, normal hexane, Skellysolve A; Aromatic hydrocarbon such as benzene,toluene,xylene etc.These solvents can use separately or also use more than 2 kinds.
From making it become the viewpoint of the good polymkeric substance of thermotolerance and weathering resistance, preferably, the segmented copolymer that is made of alpha-methyl styrene polymer block and conjugated diolefin polymer block, part or all of carbon-to-carbon unsaturated double-bond is by hydrogenation in its segmented copolymer.
For by with conjugated diolefine and active alpha-methyl styrene base lithium copolymerization and the reactive polymer of the segmented copolymer that constitutes by alpha-methyl styrene polymer block and conjugated diolefin polymer block that obtains, for example, multi-functional coupler and its reaction be can make, three blocks or radial long block type segmented copolymer prepared.The segmented copolymer of this moment can contain the mixture of diblock, three blocks, radial long block type segmented copolymer with arbitrary proportion for what prepare by the consumption of adjusting multi-functional coupler.Multi-functional coupler comprises phenol benzoate, methyl benzoate, ethyl benzoate, methyl acetate, ethyl acetate, trimethylacetic acid methyl esters, trimethylacetic acid ethyl ester, trimethylacetic acid phenyl ester, α, α '-two chloro-o-Xylol, α, α '-two chloro-m-xylene, α, α '-two chloro-p-Xylol, two (chloromethyl) ether, methylene bromide, methylene iodide, rutgers, dichlorodimethylsilane, dichloro diphenyl silane, trichloromethyl silane, tetrachloro silicane, Vinylstyrene etc.
By making the multi-functional coupler and the reactive polymer of the segmented copolymer that constitutes by alpha-methyl styrene polymer block and conjugated diolefin polymer block react three blocks or the radial long block type segmented copolymer for preparing, to its hydrogenation (below be sometimes referred to as hydrogenation) time, add alcohols, carboxylic-acid, water isoreactivity hydride in case of necessity, after coupled reaction is stopped, can be according to known method, in nonactive organic solvent, in the presence of hydrogenation catalyst, prepare the hydrogenation segmented copolymer by hydrogenation.
When the segmented copolymer that is made of alpha-methyl styrene polymer block and conjugated diolefin polymer block is carried out hydrogenation, after making conjugated diolefine and the polymerization of active poly alpha methylstyrene base lithium, can add alcohols, carboxylic-acid, water isoreactivity hydride stops polyreaction, according to currently known methods, in nonactive organic solvent, in the presence of hydrogenation catalyst, carry out hydrogenation, thus preparation hydrogenation segmented copolymer.
Make the segmented copolymer of anionoid polymerization monomer polymerization to the not hydrogenation that constitutes by alpha-methyl styrene polymer block and conjugated diolefin polymer block, prepared not hydrogenation ABC type triblock copolymer on the segmented copolymer that constitutes by alpha-methyl styrene polymer block and conjugated diolefin polymer block, or by making the multi-functional coupler and the reactive polymer of the segmented copolymer that constitutes by alpha-methyl styrene polymer block and conjugated diolefin polymer block react not hydrogenation three blocks or the radial long block type segmented copolymer for preparing, the solvent that uses in the time of can not replacing its preparation is used for hydrogenation and directly supply with.
Hydrogenation reaction can, for example in the presence of the hydrogenation catalysts such as Z-type catalyst that alkylaluminium cpd and cobalt, nickel etc. constitute, temperature of reaction is 20～100 ℃, hydrogen pressure is 1～100kg/cm
2Condition under carry out.
Preferably, the segmented copolymer hydrogenation degree of hydrogenation is not to make reaching capacity more than 90% of unsaturated double-bond in the conjugated diolefin polymer block, does the weathering resistance that can improve segmented copolymer like this.In the segmented copolymer of hydrogenation in the diene polymer block hydrogenation rate of unsaturated double-bond adopt iodine number volumetry, infrared spectroscopy spectrometry, NMR (Nuclear Magnetic Resonance) spectrum (
1The H-NMR wave spectrum) mensuration waits the analysis means to calculate.
The number-average molecular weight of the polystyrene conversion of the alpha-methyl styrene polymer block of the not hydrogenation of employing method for preparing or the segmented copolymer (alpha-methyl styrene based block copolymer) of hydrogenation, be preferably 1,000～300,000, more preferably 3,000～100,000,1 of preferred conjugated diolefin polymer block, the 4-binding capacity is 10～80%.
The number-average molecular weight of the polystyrene conversion of segmented copolymer used in the present invention can suitably be adjusted according to different purposes, preferably is generally 10,000～2,000,000, and more preferably 15,000～1,000,000.
Be used for segmented copolymer of the present invention, the preferred material that adopts method for preparing that uses, especially, consider from the glueability aspect, preferably organolithium compound in the non-polar solvent is used as initiator, in concentration is in the presence of the polar compound of 0.1～10 weight %, under-30～30 ℃ temperature, making concentration is that the alpha-methyl styrene polymerization of 5～50 weight % forms polymer blocks (A), subsequently for active poly alpha methylstyrene base lithium, make the polymerization of conjugated dienes of 1～100 mole of equivalent and form polymer blocks (b1), thereafter, surpassing under 30 ℃ the temperature, making remaining polymerization of conjugated dienes and form polymer blocks (b2) and the material of preparation.
The structure of above-mentioned segmented copolymer not only is limited to straight chain shape, branch-like etc., but the segmented copolymer that wherein preferably contains one (A-b1-b2) structure at least, the for example mixture of A-b1-b2-b2-b1-A type multipolymer, A-b1-b2-b2-b1-A type multipolymer and A-b1-b2 type multipolymer, (A-b1-b2) nX type multipolymer (X represents the coupler residue, and n is the integer more than 2) etc.Preferably, derive from least a portion of carbon-to-carbon unsaturated double-bond of the conjugate diene monomer among this block b1 and the block b2 by hydrogenation.
The number-average molecular weight of the polystyrene conversion of polymer blocks in the above-mentioned segmented copolymer (A) is preferably 1,000～300, and 000, more preferably 3,000～100,000.
In addition, preferably, the number-average molecular weight of the polystyrene conversion of polymer blocks in the above-mentioned segmented copolymer (b1) is 500～10,000, more preferably 1,000～7,000, and polymer blocks (b1) 1, the 4-binding capacity is a less than 30%.
And then, the number-average molecular weight of polystyrene conversion is preferably 10 in the polymer blocks in the above-mentioned segmented copolymer (b2), 000～400,000, more preferably 15,000～200,000, and polymer blocks (b2) 1, the 4-binding capacity is preferably more than 30%, more preferably 35%～95%, most preferably be 40%～80%.
In addition, can be used in the fusible resin of having of adhesive involved in the present invention in tackiness agent uses, paid the fusible material that uses as resin of adhesive, for example chroman-indene resin in the past, resol, p-tert-butylphenol-acetylene resin, phenol-formaldehyde resin, polyterpene resin, xylene formal dehyde resin, synthetic polyterpene resin, aromatic hydrocarbon resin, aliphatics cyclic hydrocarbon resin, the oligopolymer of monoolefine and diolefine, the hydrocarbon system resin, hydrogenation hydrocarbon system resin, polybutene, the rosiny polyol ester, staybelite, wood rosin, the ester of staybelite and monohydroxy-alcohol or polyvalent alcohol, turps is tackifying resin etc.Particularly preferred tackifying resin comprises terpenic series resin, synthetic terpine resin, aromatic series sex change polyterpene resin, aliphatics bubble point oil resin, rosin ester, non-homogenizing rosin ester, hydrogenated wood rosin glycerol ester, aliphatic petroleum resin (C5 is an aliphatic petroleum resin, and C5, C9 are aliphatic petroleum resin etc.), sex change aliphatic petroleum resin etc.
Above-mentioned have a fusible resin, and its use level does not have special restriction in the scope of not damaging the object of the invention, and for 100 parts of block copolymer, it is preferably 40～1,000 weight part, more preferably 100～500 weight parts.Having fusible resin may be used alone, two or more kinds can also be used.
In addition, the tenderizer that can be used in adhesive involved in the present invention is that paraffin series, naphthalene are, the wet goods petroleum line softener is used in aromatic series processing, and paraffin, vegetables oil are tenderizer, and softening agent etc. can use separately or mixing use more than 2 kinds.
The usage quantity of tenderizer does not have special restriction under the prerequisite of not damaging purport of the present invention, for the segmented copolymer of 100 weight parts, it is 0～1,000 weight part, preferred 0～500 weight part, and more preferably, it is 50～300 weight parts.
Adhesive involved in the present invention, can add additive where necessary, for example phenol is that stablizer, sulphur are that stablizer, phosphorus are stablizer, photostabilizer, static inhibitor, releasing agent, fire retardant, whipping agent, pigment, dyestuff, whitening agent, carbon fiber etc.The specific examples of stablizer comprises 2; 6-di-t-butyl-p-cresol; [3-(3 for tetramethylolmethane four; 5-di-t-butyl-4-hydroxyphenyl) propionic ester]; 1; 3; 5-trimethylammonium-2; 4; 6-three (3; 5-di-t-butyl-4-acrinyl) benzene; octadecyl-3-(3; 5-di-t-butyl-4-hydroxyphenyl) propionic ester; triglycol-two [3-(the 3-tertiary butyl-5-methyl-4-hydroxyphenyl) propionic ester]; 2; 4-two (positive hot sulfenyl)-6-(4-hydroxyl-3; 5-two trimethylphenylmethane amidos)-1; 3; 5-three azines; 2; [3-(3 for 2-sulphur-divinyl-two; 5-di-t-butyl-4-hydroxyphenyl) propionic ester]; N; N '-hexa-methylene-two (3; 5-di-t-butyl-4-hydroxyl-hydrocinnamamide); 3; 5-di-t-butyl-4-hydroxyl-benzyl diethyl phosphoric acid; three (3; 5-di-t-butyl-4-acrinyl)-isocyanic ester; 3; 9-two 2-[3-(3-tertiary butyl-4-hydroxy-5-benzyl) propionyloxy]-1; the 1-dimethyl ethyl }-2; 4,8,10-four dislikes spiral shell [5; 5] phenol such as undecane is stablizer; tetramethylolmethane four (3-dodecyl thiopropionate); two (octadecanoyl)-3,3 '-thiodipropionate; two (dodecyl)-3,3 '-thiodipropionate; two (tetradecyl)-3; sulphur such as 3 '-thiodipropionate are stablizer; three (nonyl phenyl) phosphoric acid ester; three (2, the 4-di-tert-butyl-phenyl) phosphoric acid ester; two stereomeric (ジ ア ス テ リ Le) pentaerythritol diphosphate; phosphorus such as two (2,6-di-t-butyl-4-aminomethyl phenyl) pentaerythritol diphosphate are stablizer etc.These stablizers can use separately, also they can be used in combination.
In the present invention, the reinforcement resin is except using polystyrene, polyethylene, polypropylene, ethylene-propylene copolymer, ethylene-butene copolymer, ethylene-vinyl acetate copolymer, can cooperate the lower thermoplastic polyester of molecular weight ratio, polyamide resin, polyphenylene oxide resin etc., be used for tackiness agent.
In addition, in the scope of not damaging purport of the present invention, in tackiness agent of the present invention, also can mix and use other elastomerics, for example natural rubber, synthetic polyisoprenes rubber, liquid polyisoprene rubber and hydrogenation thing thereof, polybutadiene rubber, liquid polybutadiene rubber and hydrogenation thing thereof, styrene butadiene rubbers, neoprene, ethylene-propylene rubber(EPR), acrylic rubber, polyisoprene-isobutene rubber, acrylonitrile-butadiene rubber, or styrene series elastomer such as polystyrene-poly isoprene-polystyrene and polystyrene-poly divinyl-polystyrene or as the hydrogenation styrene series elastomer of its hydrogenation thing.
In the scope of not damaging its characteristic, tackiness agent involved in the present invention can add inorganic filler.As the specific examples of employed inorganic filler, it comprises talcum powder, lime carbonate, silicon-dioxide, glass fibre, mica, kaolin, titanium oxide etc.
The inflation method of tackiness agent of the present invention can adopt all usual methods, for example can use forcing machines such as general Troughtypeofblender, homogenizer, closed kneader, internal rubber mixer, single screw extrusion machine and twin screw extruder etc., in case of necessity in nitrogen atmosphere gas, general in 130 ℃～230 ℃ scope, above-mentioned neccessary composition melting mixing or melting mixing are adjusted.Can be prepared into suitable shape according to its purposes and use form etc. by mentioned component being mixed the tackiness agent involved in the present invention for preparing, for example block, granular, sheet, particulate state, bar-shaped, film like, form such as lamellar can be respectively applied for the various adhesive articles of different bonding purposes.
In addition, tackiness agent of the present invention, difference according to its purposes, solids component can be dissolved in aliphatic solvents such as pentane, iso-pentane, normal hexane, hexanaphthene, in the aromatic solvents such as benzene, dimethylbenzene, toluene, ethylbenzene, generally make the concentration of its solids component reach 5%～70%, be modulated to Solvent Adhesive.
In addition, adhesive of the present invention, its purposes does not have special restriction, can be identical with Hotmelt Adhesive, pressure sensitive adhesive in the past, be used for bonding various material, for example can be used for plastics film and sheet materials such as bonding polyethylene, polypropylene, polyester, paper, timber, fibre product, tinsel, leather etc.Say that more specifically adhesive of the present invention can be used for, for example the packing of the adhesion of the sealing of bag, little case and fluting board, label, the manufacturing of aluminium foil cylinder etc.; System originally; The manufacturing of plywood; The carpenter; The manufacturing of fibre products such as system boots, carpet packing, non-woven fabric adhesive; Paper nappy, be the manufacturing of the various sanitary products of representative with sanitary napkin towel; The packaging adhesive adhesive tape; Electric insulating tape and film; Various article surface protections stick with glue band and sheet adhesive; Employed various bonding films and sealing tape in the semiconductor wafer manufacturing engineering; Being connected and fixed of conduit; Around various building materials such as window frame and the automobile lamp and dashboard sealing on every side etc.; Label is with tackiness agent etc.
In addition, when adhesive of the present invention is hot-melt adhesive, can use the coating machine of using with identical hot-melt adhesive in the past, with the hot-melt adhesive heating and melting, be coated on the coated body, coated body is under squeezed state, make adhesive solidification, carry out bonding.
In addition, when adhesive of the present invention is thermotropic pressure sensitive tackiness agent (or pressure sensitive adhesive), under pressure-sensitive adhesive (or pressure sensitive adhesive) heating and melting state with hot-melting type, it can be coated on the one or both sides of paper, cloth, plastics film and base materials such as sheet material, tinsel, thereby on base material, form pressure-sensitive adhesive (or pressure sensitive adhesive) layer, preparation adhesive film, adhesive sheet, other adhesive article.
Adhesive of the present invention is during for hot-melt adhesive and for thermotropic pressure sensitive tackiness agent (or pressure sensitive adhesive) time, under any situation, adhesive involved in the present invention is usually when being heated to about 120 ℃～200 ℃ temperature, can make its fusion at an easy rate, owing to good processibility, therefore can successfully carry out the manufacturing operation of the adhesive article of bonding operation, adhesive film etc.
Embodiment
Below in conjunction with embodiment the present invention is carried out specific description, the invention is not restricted to these embodiment.
The performance evaluation of adhesive is implemented according to following method.
[bounding force]
Bounding force is estimated by 180 ° of stripping tests according to JIS Z-0237.That is, be that 25mm, length are that the adhesive tape of 100mm is attached on the polyethylene film-making material and stainless steel (SUS304) plate that thickness is 1mm with the width of preparation, under 25 ℃, peel off to 180 ° direction with the speed that 30cm/ divides, measure.
[confining force]
Confining force is estimated according to JIS Z-0237.That is, the adhesive tape of 25mm * 25mm of preparation being attached on stainless steel (SUS304) plate, is under 60 ℃ or 80 ℃ in envrionment temperature, hangs the load of 1kg, tries to achieve from lowering time.For the material that did not still fall with 240 minutes, estimate with the departure distance of adhesive tape after 240 minutes.
[reference example 1] (preparation of hydrogenation segmented copolymer)
After the pressure vessel that will have a whipping appts is fully replaced with nitrogen, will be respectively alpha-methyl styrene, hexanaphthene, normal hexane and the tetrahydrofuran (THF) input of dehydration fully of 172g, 258.1g, 28.8g and 5.9g.Add 11.2ml s-butyl lithium (1.3M, cyclohexane solution) subsequently ,-10 ℃ of following polymerizations 5 hours.The number-average molecular weight of the poly alpha methylstyrene of polymerization after 5 hours is measured with gel permeation chromatography (below be abbreviated as GPC), uses polystyrene conversion, is 10,000, and by the gas chromatograph analysis, the polymerisation conversion of alpha-methyl styrene is 90%.Subsequently, add 27g1, the 3-divinyl stirred after 30 minutes, added 1, the 703g hexanaphthene.At this time point, the polymerisation conversion of alpha-methyl styrene is 90%, and the number-average molecular weight of poly-1,3-butadiene block (b1) (GPC measures, polystyrene conversion) is 3,640, uses
1H-NMR measure obtain 1, the 4-binding capacity is 22%.Add 303g1 subsequently, the 3-divinyl, Yi Bian make temperature rise to 60 ℃, Yi Bian polymerization 2 hours.
And then, add 17.3ml α in the polymeric solution in pressure vessel, α '-two chloro-p-Xylol (0.3M, toluene solution), stirred 1 hour down at 60 ℃, carry out coupled reaction, synthetic poly-(alpha-methyl styrene)-polyhutadiene-poly-(alpha-methyl styrene) type multipolymer (below be abbreviated as mSBmS-1).
The molecular property of prepared mSBmS-1 reaches by GPC
1H-NMR spectrometry and trying to achieve.The result who obtains is as shown in table 1.
Temperature in the polybutadiene block is risen and the number-average molecular weight (GPC measures, polystyrene conversion) of the poly-1,3-butadiene block (b2) of polymeric is 43,400,1, the 4-binding capacity (
1H-NMR analyzes) be 62%.
In addition, 1 of polybutadiene block B integral body, the 4-binding capacity is 59%, and then, in polybutadiene block B, by
1H-NMR spectrometry and the compositional analysis that carries out judges that alpha-methyl styrene is not by copolymerization in fact.
And then, after the polymeric solution of mSBmS-1 of preparation fully replaced with nitrogen, Ziegler series hydrocatalyst with Ni/Al system, under atmosphere of hydrogen gas, under 80 ℃, carry out 5 hours hydrogenation reactions, make poly-(alpha-methyl styrene)-hydrogenation polyhutadiene-poly-(alpha-methyl styrene) type multipolymer (below be abbreviated as HmSBmS-1).By
1The H-NMR spectrometry calculates the hydrogenation rate of the HmSBmS-1 of preparation, and is as shown in table 1.
Reference example 2 (preparation of segmented copolymer)
After the pressure vessel that will have a whipping appts is fully replaced with nitrogen, will be respectively alpha-methyl styrene, hexanaphthene, methylcyclohexane and the tetrahydrofuran (THF) input of dehydration fully of 172g, 251g, 47.3g and 5.9g.Add 16.8ml s-butyl lithium (1.3M, cyclohexane solution) subsequently ,-10 ℃ of following polymerizations 5 hours.The number-average molecular weight of the poly alpha methylstyrene of polymerization after 5 hours is measured with GPC, uses polystyrene conversion, is 7,100, and by the gas chromatograph analysis, the polymerisation conversion of alpha-methyl styrene is 92%.Subsequently, add 35.4g1, the 3-divinyl stirred after 30 minutes, added 1, the 608g hexanaphthene.At this time point, the polymerisation conversion of alpha-methyl styrene is 92%, and the number-average molecular weight of poly-1,3-butadiene block (b1) (GPC measures, polystyrene conversion) is 3,350, uses
1H-NMR measure obtain 1, the 4-binding capacity is 16%.Add 310g1 subsequently, the 3-divinyl, Yi Bian make temperature rise to 60 ℃, Yi Bian polymerization 2 hours.
In this stage, the part of polymeric solution is taken out, with methyl alcohol polymerization is stopped, preparing poly-(alpha-methyl styrene)-polyhutadiene type multipolymer (below be abbreviated as mSB).
And then, add 21.8ml α in the polymeric solution in pressure vessel, α '-two chloro-p-Xylol (0.5M, toluene solution), stirred 1 hour down at 60 ℃, carry out coupled reaction, synthetic poly-(alpha-methyl styrene)-polyhutadiene-poly-(alpha-methyl styrene) type multipolymer (below be abbreviated as mSBmS).Prepared mSB and the molecular property of mSBmS reach by GPC
1H-NMR spectrometry and trying to achieve.The result who obtains is as shown in table 1.
Temperature in the polybutadiene block is risen and the number-average molecular weight (GPC measures, polystyrene conversion) of the poly-1,3-butadiene block (b2) of polymeric is 29,300,1, the 4-binding capacity (
1H-NMR analyzes) be 61%.
In addition, 1 of polybutadiene block B integral body, the 4-binding capacity is 44%, and then, in polybutadiene block B, by
1H-NMR spectrometry and the compositional analysis that carries out judges that alpha-methyl styrene is not by copolymerization in fact.
Reference example 3 (preparation of hydrogenation segmented copolymer)
Cyclohexane solution to synthetic mSB in the reference example 2 is modulated, it is packed into carry out in the abundant metathetical pressure vessel with nitrogen, thereafter, using Ni/Al is the Ziegler series hydrocatalyst, under atmosphere of hydrogen gas, under 80 ℃, carry out 5 hours hydrogenation reactions, make poly-(alpha-methyl styrene)-hydrogenation polyhutadiene type multipolymer (below be abbreviated as HmSB).By
1The H-NMR spectrometry calculates the hydrogenation rate of the HmSB of preparation, and is as shown in table 1.
Reference example 4 (preparation of hydrogenation segmented copolymer)
Cyclohexane solution to synthetic mSBmS in the reference example 2 is modulated, it is packed into carry out in the abundant metathetical pressure vessel with nitrogen, thereafter, using Ni/Al is the Ziegler series hydrocatalyst, under atmosphere of hydrogen gas, under 80 ℃, carry out 5 hours hydrogenation reactions, make poly-(alpha-methyl styrene)-hydrogenation polyhutadiene-poly-(alpha-methyl styrene) type multipolymer (below be abbreviated as HmSBmS-2).By
1The H-NMR spectrometry calculates the hydrogenation rate of the HmSBmS-2 of preparation, and is as shown in table 1.
Reference example 5 (preparation of hydrogenation segmented copolymer)
After the pressure vessel that will have a whipping appts is fully replaced with nitrogen, will be respectively alpha-methyl styrene, hexanaphthene, normal hexane and the tetrahydrofuran (THF) input of dehydration fully of 172g, 261.3g, 28.7g and 5.9g.Add 12.5ml s-butyl lithium (1.3M, cyclohexane solution) subsequently ,-10 ℃ of following polymerizations 5 hours.The number-average molecular weight of the poly alpha methylstyrene of polymerization after 5 hours is measured with GPC, uses polystyrene conversion, is 9,400, and by the gas chromatograph analysis, the polymerisation conversion of alpha-methyl styrene is 87%.Subsequently, add 24.9g1, the 3-divinyl stirred after 30 minutes, added 876g hexanaphthene and 11.2g tetrahydrofuran (THF).At this time point, the polymerisation conversion of alpha-methyl styrene is 87%, and the number-average molecular weight of poly-1,3-butadiene block (b1) (GPC measures, polystyrene conversion) is 3,500, uses
1H-NMR measure obtain 1, the 4-binding capacity is 12%.Add 323g1 subsequently, the 3-divinyl, Yi Bian make temperature rise to 50 ℃, Yi Bian polymerization 2 hours.
And then, add 26.1ml α in the polymeric solution in pressure vessel, α '-two chloro-p-Xylol (0.3M, toluene solution), stirred 1 hour down at 60 ℃, carry out coupled reaction, synthetic poly-(alpha-methyl styrene)-polyhutadiene-poly-(alpha-methyl styrene) type multipolymer (below be abbreviated as mSBmS).The molecular property of prepared mSBmS reaches by GPC
1H-NMR spectrometry and trying to achieve.The result who obtains is as shown in table 1.
Temperature in the polybutadiene block is risen and the number-average molecular weight (GPC measures, polystyrene conversion) of the poly-1,3-butadiene block (b2) of polymeric is 47,100,1, the 4-binding capacity (
1H-NMR analyzes) be 20.3%.
In addition, 1 of polybutadiene block B integral body, the 4-binding capacity is 19.8%, and then, in polybutadiene block B, by
1H-NMR spectrometry and the compositional analysis that carries out judges that alpha-methyl styrene is not by copolymerization in fact.
And then, the cyclohexane solution of mSBmS to preparation is modulated, it is packed into carry out in the abundant metathetical pressure vessel with nitrogen, thereafter, with the Ziegler series hydrocatalyst of Ni/Al system, under atmosphere of hydrogen gas, under 80 ℃, carry out 5 hours hydrogenation reactions, make poly-(alpha-methyl styrene)-hydrogenation polyhutadiene-poly-(alpha-methyl styrene) type multipolymer (below be abbreviated as HmSBmS-3).By
1The H-NMR spectrometry calculates the hydrogenation rate of the HmSBmS-3 of preparation, and is as shown in table 1.
Reference example 6 (preparation of segmented copolymer)
After the pressure vessel that will have a whipping appts is fully replaced with nitrogen, will be respectively alpha-methyl styrene, hexanaphthene, methylcyclohexane and the tetrahydrofuran (THF) input of dehydration fully of 156g, 227g, 39.6g and 5.3g.Add 16.8ml s-butyl lithium (1.3M, cyclohexane solution) subsequently ,-10 ℃ of following polymerizations 5 hours.The number-average molecular weight of the poly alpha methylstyrene of polymerization after 5 hours (GPC measures, polystyrene conversion) is 6,400, and the polymerisation conversion of alpha-methyl styrene is 92%.Subsequently, add the 44.7g isoprene, stir after 30 minutes, add 1, the 710g hexanaphthene.At this time point, the polymerisation conversion of alpha-methyl styrene is 92%, and the number-average molecular weight of polyisoprene blocks (b1) is 4,150,1, and the 4-binding capacity is 15%.Add the 315g isoprene subsequently, Yi Bian make temperature rise to 60 ℃, Yi Bian polymerization 2 hours.
In this stage, the part of polymeric solution is taken out, with methyl alcohol polymerization is stopped, preparing poly-(alpha-methyl styrene)-polyisoprene type multipolymer (below be abbreviated as mSI).
And then, add 21.8ml α in the polymeric solution in pressure vessel, α '-two chloro-p-Xylol (0.5M, toluene solution), stirred 1 hour down at 60 ℃, carry out coupled reaction, synthetic poly-(alpha-methyl styrene)-polyisoprene-poly-(alpha-methyl styrene) type multipolymer (below be abbreviated as mSImS).Prepared mSI and the molecular property of mSImS reach by GPC
1H-NMR spectrometry and trying to achieve.The result who obtains is as shown in table 1.
Temperature in the polyisoprene blocks is risen and the number-average molecular weight of polymeric polyisoprene blocks (b2) is 29,200,1, the 4-binding capacity is 46%.
In addition, 1 of polyisoprene blocks B integral body, the 4-binding capacity is 42%, and then, in polyisoprene blocks B, by
1H-NMR spectrometry and the compositional analysis that carries out judges that alpha-methyl styrene is not by copolymerization in fact.
Reference example 7 (preparation of hydrogenation segmented copolymer)
Cyclohexane solution to synthetic mSI in the reference example 6 is modulated, it is packed into carry out in the abundant metathetical pressure vessel with nitrogen, thereafter, using Ni/Al is the Ziegler series hydrocatalyst, under atmosphere of hydrogen gas, under 80 ℃, carry out 5 hours hydrogenation reactions, make poly-(alpha-methyl styrene)-hydrogenation polyisoprene type multipolymer (below be abbreviated as HmSI).By
1The H-NMR spectrometry calculates the hydrogenation rate of the HmSI of preparation, and is as shown in table 1.
Reference example 8 (preparation of hydrogenation segmented copolymer)
Cyclohexane solution to synthetic mSImS in the reference example 6 is modulated, it is packed into carry out in the abundant metathetical pressure vessel with nitrogen, thereafter, using Ni/Al is the Ziegler series hydrocatalyst, under atmosphere of hydrogen gas, under 80 ℃, carry out 5 hours hydrogenation reactions, make poly-(alpha-methyl styrene)-hydrogenation polyisoprene-poly-(alpha-methyl styrene) type multipolymer (below be abbreviated as HmSImS).By
1The H-NMR spectrometry calculates the hydrogenation rate of the HmSImS of preparation, and is as shown in table 1.
Reference example 9 (preparation of hydrogenation segmented copolymer)
After the pressure vessel that will have a whipping appts is fully replaced with nitrogen, will be respectively alpha-methyl styrene, hexanaphthene, methylcyclohexane and the tetrahydrofuran (THF) input of dehydration fully of 183g, 267g, 46.6g and 6.3g.Add 14.1ml s-butyl lithium (1.3M, cyclohexane solution) subsequently ,-10 ℃ of following polymerizations 5 hours.The number-average molecular weight of the poly alpha methylstyrene of polymerization after 5 hours is 9,000, and polymerisation conversion is 90%.Subsequently, add 34.3g and press isoprene/1,3 divinyl=60/40 (weight ratio) blended mix monomer in advance, stir after 30 minutes, add 1, the 660g hexanaphthene.At this time point, the polymerisation conversion of alpha-methyl styrene is 90%, and the number-average molecular weight of poly-(isoprene/1,3 divinyl) block (b1) is 4,650,1, and the 4-binding capacity is 22%.Add the above-mentioned mix monomer of 301g subsequently, Yi Bian make temperature rise to 60 ℃, Yi Bian polymerization 2 hours.
And then, in polymeric solution, add 18.3ml α, α '-two chloro-p-Xylol (0.5M, toluene solution), stirred 1 hour down at 60 ℃, carry out coupled reaction, synthetic poly-(alpha-methyl styrene)-poly-(isoprene/1,3 divinyl)-poly-(alpha-methyl styrene) type multipolymer (below be abbreviated as mS (I/B) mS).The molecular property of prepared mS (I/B) mS reaches by GPC
1H-NMR spectrometry and trying to achieve.The result who obtains is as shown in table 1.
Temperature in poly-(isoprene/1,3 divinyl) block is risen and the number-average molecular weight of poly-(isoprene/1, the 3 divinyl) block (b2) of polymeric is 40,850,1, the 4-binding capacity is 62%.
In addition, 1 of poly-(isoprene/1,3 divinyl) B block integral body, the 4-binding capacity is 58%, and then, in poly-(isoprene/1,3-butadiene) B block, by
1H-NMR spectrometry and the compositional analysis that carries out judges that alpha-methyl styrene is not by copolymerization in fact.
And then, the cyclohexane solution of mS (I/B) mS to preparation is modulated, it is packed into carry out in the abundant metathetical pressure vessel with nitrogen, thereafter, using Ni/Al is the Ziegler series hydrocatalyst, under atmosphere of hydrogen gas, under 80 ℃, carry out 5 hours hydrogenation reactions, make poly-(alpha-methyl styrene)-hydrogenation poly-(isoprene/1,3 divinyl)-poly-(alpha-methyl styrene) type multipolymer (below be abbreviated as HmS (I/B) mS).By
1The H-NMR spectrometry calculates the hydrogenation rate of HmS (I/B) mS of preparation, and is as shown in table 1.
Reference example 10 (preparation of segmented copolymer)
In the pressure vessel that has whipping appts, add 2, vinylbenzene that the hexanaphthene that 000g dewaters fully, 150g dewater fully and 17.1g s-butyl lithium (1,3M, cyclohexane solution), under 50 ℃, polymerization was added the 350g isoprene, polymerization 60 minutes after 60 minutes.In this stage, from polymeric solution, take out a part, with methyl alcohol polymerization is stopped, preparing polystyrene-poly isoprene type segmented copolymer (below be abbreviated as SI).
And then, add 17.8ml α in the polymeric solution in pressure vessel, α '-two chloro-p-Xylol (0.5M, toluene solution) stirred 1 hour down at 60 ℃, carry out coupled reaction, synthetic polystyrene-polyisoprene-polystyrene type multipolymer (below be abbreviated as SIS).Prepared SI and the molecular property of SIS reach by GPC
1H-NMR spectrometry and trying to achieve.The result who obtains is as shown in table 1.
Reference example 11 (preparation of hydrogenation segmented copolymer)
Cyclohexane solution to synthetic SI in the reference example 10 is modulated, it is packed into carry out in the abundant metathetical pressure vessel with nitrogen, thereafter, using Ni/Al is the Ziegler series hydrocatalyst, under atmosphere of hydrogen gas, under 80 ℃, carry out 5 hours hydrogenation reactions, make polystyrene-hydrogenation polyisoprene type multipolymer (below be abbreviated as SEP).By
1The H-NMR spectrometry calculates the hydrogenation rate of the SEP of preparation, and is as shown in table 1.
Reference example 12 (preparation of hydrogenation segmented copolymer)
Cyclohexane solution to synthetic SIS in the reference example 10 is modulated, it is packed into carry out in the abundant metathetical pressure vessel with nitrogen, thereafter, using Ni/Al is the Ziegler series hydrocatalyst, under atmosphere of hydrogen gas, under 80 ℃, carry out 5 hours hydrogenation reactions, make polystyrene-hydrogenation polyisoprene-polystyrene type multipolymer (below be abbreviated as SEPS).By
1The H-NMR spectrometry calculates the hydrogenation rate of the SEPS of preparation, and is as shown in table 1.
Reference example 13 (preparation of segmented copolymer)
In the pressure vessel that has whipping appts, add 2, vinylbenzene that the hexanaphthene that 000g dewaters fully, 150g dewater fully and 17.1g s-butyl lithium (1,3M, cyclohexane solution), under 50 ℃, polymerization was added the 4.9g tetrahydrofuran (THF) after 60 minutes, 350g1,3-divinyl, polymerization 60 minutes.In this stage, from polymeric solution, take out a part, with methyl alcohol polymerization is stopped, preparing polystyrene-poly 1,3-butadiene type segmented copolymer (below be abbreviated as SB).
And then, add 17.8ml α, α '-two chloro-p-Xylol (0.5M, toluene solution) in the polymeric solution in pressure vessel, stirred 1 hour down at 60 ℃, carry out coupled reaction, synthetic polystyrene-poly-1,3-butadiene-polystyrene type multipolymer (below be abbreviated as SBS).Prepared SB and the molecular property of SBS reach by GPC
1H-NMR spectrometry and trying to achieve.The result who obtains is as shown in table 1.
Reference example 14 (preparation of hydrogenation segmented copolymer)
Cyclohexane solution to synthetic SB in the reference example 13 is modulated, it is packed into carry out in the abundant metathetical pressure vessel with nitrogen, thereafter, using Ni/Al is the Ziegler series hydrocatalyst, under atmosphere of hydrogen gas, under 80 ℃, carry out 5 hours hydrogenation reactions, make the poly-1,3-butadiene type multipolymer of polystyrene-hydrogenation (below be abbreviated as SEB).By
1The H-NMR spectrometry calculates the hydrogenation rate of the SEB of preparation, and is as shown in table 1.
Reference example 15 (preparation of hydrogenation segmented copolymer)
Cyclohexane solution to synthetic SBS in the reference example 13 is modulated, it is packed into carry out in the abundant metathetical pressure vessel with nitrogen, thereafter, using Ni/Al is the Ziegler series hydrocatalyst, under atmosphere of hydrogen gas, under 80 ℃, carry out 5 hours hydrogenation reactions, make the poly-1,3-butadiene of polystyrene-hydrogenation-polystyrene type multipolymer (below be abbreviated as SEBS).By
1The H-NMR spectrometry calculates the hydrogenation rate of the SEBS of preparation, and is as shown in table 1.
Table 1
| No. | Write a Chinese character in simplified form | Type | Form (weight %) | Molecular weight (1) (Mn) | Hydrogenation rate (%) | |
| Polymer blocks (A) | Polymer blocks (A) | All | ||||
| 1 | HmSBmS-1 | A-B-A | 33 | 10,000 | 111,000 | 99.2 |
| 2 | mSBmS | A-B | 31 | 7,100 | 79,500 | 0 |
| 3 | HmSB | A-B | 31 | 7,100 | 38,700 | 99.8 |
| 4 | HmSBmS-2 | A-B-A | 31 | 7,100 | 79,500 | 97.5 |
| 5 | HmSBmS-3 | A-B-A | 29 | 9,400 | 103,000 | 99.0 |
| 6 | mSImS | A-B-A | 28 | 6,400 | 79,500 | 0 |
| 7 | HmSI | A-B | 28 | 6,400 | 39,800 | 99.9 |
| 8 | HmSImS | A-B-A | 28 | 6,400 | 90,000 | 99.6 |
| 9 | HmS(I/B)mS | A-B-A | 33 | 9,000 | 109,000 | 97.1 |
| 10 | SIS | A-B-A | 30 | 8,000 | 72,100 | 0 |
| 11 | SEP | A-B | 30 | 8,000 | 36,000 | 98.5 |
| 12 | SEPS | A-B-A | 30 | 8,000 | 72,100 | 97.3 |
| 13 | SBS | A-B-A | 30 | 8,000 | 90,000 | 0 |
| 14 | SEB | A-B | 30 | 8,000 | 45,000 | 99.2 |
| 15 | SEBS | A-B-A | 30 | 8,000 | 90,000 | 98.7 |
| 16 | SEEPS | A-B-A | 35 | 16,000 | 160,000 | 99.1 |
(1) polystyrene conversion molecular weight
Reference example 16 (preparation of hydrogenation segmented copolymer)
In the pressure vessel that has whipping appts, add 2, vinylbenzene that the hexanaphthene that 000g dewaters fully, 87.5g dewater fully and 3.6ml s-butyl lithium (1,3M, cyclohexane solution), under 50 ℃, after the polymerization 60 minutes, add 325g and press isoprene/1 in advance, the mix monomer of 3-divinyl=60/40 (weight ratio) mixed, 87.5g vinylbenzene is further added in polymerization 60 minutes, after the polymerization 60 minutes, add methyl alcohol polymerization is stopped, preparing polystyrene-poly (isoprene/1,3-butadiene)-polystyrene type segmented copolymer.To synthetic polystyrene-poly (isoprene/1, the 3-divinyl)-cyclohexane solution of polystyrene type segmented copolymer modulates, it is packed into carry out in the abundant metathetical pressure vessel with nitrogen, thereafter, using Ni/Al is the Ziegler series hydrocatalyst, under atmosphere of hydrogen gas, under 80 ℃, carry out 5 hours hydrogenation reactions, make poly-(isoprene/1,3-butadiene)-polystyrene type multipolymer of polystyrene-hydrogenation (below be abbreviated as SEEPS).By
1H-NMR measures, and calculates the hydrogenation rate of the SEEPS of preparation, and is as shown in table 1.
[embodiment 1～17, comparative example 1～8]
With the segmented copolymer for preparing in the reference example and tackifying resin and softening agent in cooperating ratio (all being weight part) shown in table 2～5, pack in the kneader that is heated to 160 ℃, melting mixing 30 minutes, the preparation composition, coating machine with 40 μ m applies on the film of polyethylene terephthalate system, makes adhesive tape.Carry out performance evaluation with the adhesive tape of making.Can see, compare that the tackiness agent of the embodiment 1～17 in the scope of the present invention all demonstrates has higher force of cohesion with comparative example.
Table 2
| Test | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example 1 | Comparative example 2 | |
| Cooperate | |||||||
| HmSBmS-1 | 100 | ||||||
| HmSBmS-3 | 100 | ||||||
| HmS(I/B)mS | 100 | 100 | |||||
| SEEP | 100 | 100 | |||||
| ダイアナプロセスPW-90 (dianaproces PW-90) | 100 | 100 | 100 | 133 | 100 | 133 | |
| アルコンP-100 (Arkon P-100) | 300 | 300 | 300 | 400 | 300 | 400 | |
| Irganox1010 | 1 | 1 | 1 | 1 | 1 | 1 | |
| 80 ℃ of force of cohesion | Hold-time (branch) | ＞240 | ＞240 | ＞240 | 47 | 45 | 11 |
| Departure distance (mm) | 0 | 1.70 | 1.25 | -- | -- | -- | |
| Bounding force (to PE) (to stainless steel) | (g) | 615 | 200 | 900 | 350 | 675 | 300 |
| (g) | 825 | 230 | 950 | 600 | 600 | 550 | |
ダ イ ア Na プ ロ セ ス PW-90: softening agent (the emerging product of bright dipping society system; Hydrowax oil)
ア Le コ Application P-100: tackifying resin (waste Chuan Huaxuegongyeshe system; Alicyclic saturated hydrocarbon is a resin) Irganox1010: oxidation inhibitor (ciba specialty chemicals system; Hindered phenol is an oxidation inhibitor)
Table 3
| Test | Embodiment 5 | Embodiment 6 | Embodiment 7 | Comparative example 3 | Comparative example 4 | |
| Cooperate | ||||||
| HmSBmS-2 | 100 | 100 | ||||
| HmSImS | 100 | |||||
| SEBS | 100 | |||||
| SEPS | 100 | |||||
| PW-90 | 100 | 100 | 100 | 100 | 100 | |
| アルコンP-100 (Arkon P-100) | 300 | 300 | 300 | |||
| YSレジンPX-1000 (YS resin PX-1000) | 300 | |||||
| エスコレッツ1310 (escorzets 1310) | 300 | |||||
| Irganox1010 | 1 | 1 | 1 | 1 | 1 | |
| 80 ℃ of force of cohesion | Hold-time (branch) | 52 | 107 | 75 | 31 | 28 |
| Departure distance (mm) | -- | -- | -- | -- | -- | |
| Bounding force (to PE) (to stainless steel) | (g) | 1,000 | 600 | 900 | 1,000 | 1,150 |
| (g) | 1,275 | 375 | 850 | 1,300 | 1,350 | |
YS レ ジ Application PX-1000: tackifying resin (is pacified former chemical society system; The terpenic series resin)
エ ス コ レ ッ Star 1310: tackifying resin (ト one ネ Star Network ス society system; Aliphatics hydrocarbon system resin)
Table 4
| Test | Embodiment 8 | Embodiment 9 | Embodiment 10 | Embodiment 11 | Embodiment 12 | Embodiment 13 | Comparative example 5 | Embodiment 14 | Embodiment 15 | Comparative example 6 | |
| Cooperate | |||||||||||
| HmSBmS | 70 | 27 | 27 | 27 | 50 | ||||||
| HmSImS | 50 | ||||||||||
| HmSB | 30 | 73 | 73 | 73 | 73 | ||||||
| HmSI | 73 | ||||||||||
| SEBS | 27 | 27 | |||||||||
| SEPS | 27 | 50 | |||||||||
| SEB | 73 | 50 | |||||||||
| SEP | 50 | 50 | |||||||||
| PW-90 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | |
| Arkon P-100 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | ||||
| YS resin PX-1000 | 300 | 300 | |||||||||
| Escorzets 1310 | 300 | ||||||||||
| Irganox1010 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| 60 ℃ of force of cohesion | Hold-time (branch) | 83 | 24 | 38 | 57 | 22 | 32 | 9 | 45 | 41 | 23 |
| Departure distance (mm) | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | |
| Bounding force (to PE) (to stainless steel) | (g) | 1,050 | 1,050 | 1,000 | 250 | 900 | 1,150 | 950 | 950 | 1,020 | 1,150 |
| (g) | 1,450 | 1,250 | 1,000 | 440 | 1,225 | 1,350 | 1,100 | 1,075 | 1,220 | 1,350 | |
Table 5
| Test | Embodiment 16 | Embodiment 17 | Comparative example 7 | Comparative example 8 | |
| Cooperate | |||||
| mSBmS | 100 | ||||
| mSImS | 100 | ||||
| SBS | 100 | ||||
| SIS | 100 | ||||
| PW-90 | 100 | 100 | 100 | 100 | |
| Arkon P-100 | 300 | 300 | 300 | 300 | |
| Irganox1010 | 1 | 1 | 1 | 1 | |
| 60 ℃ of force of cohesion | Hold-time (branch) | 52 | 49 | 22 | 19 |
| Departure distance (mm) | -- | --- | -- | -- | |
| Bounding force (to PE) (to stainless steel) | (g) | 890 | 850 | 880 | 860 |
| (g) | 970 | 1,030 | 950 | 1,080 | |
Utilize possibility on the industry
According to the present invention, can prepare the adhesive that at high temperature has excellent confining force (cohesive force). In addition, the invention provides a kind of block copolymer that can be applicable to this adhesive.
Claims (6)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP352696/2000 | 2000-11-20 | ||
| JP2000352696 | 2000-11-20 | ||
| JP189762/2001 | 2001-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB018039847A Division CN1236001C (en) | 2000-11-20 | 2001-11-20 | Pressure-sensitive adhesive/adhesive and block copolymer suitable for use therein |
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| Publication Number | Publication Date |
|---|---|
| CN1803960A true CN1803960A (en) | 2006-07-19 |
| CN100371410C CN100371410C (en) | 2008-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005101192851A Expired - Lifetime CN100371410C (en) | 2000-11-20 | 2001-11-20 | Adhesive - Adhesive |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106414643A (en) * | 2014-05-30 | 2017-02-15 | 综研化学株式会社 | Pressure-sensitive adhesive composition, process for producing same, and pressure-sensitive adhesive layer and process for producing same |
| CN112030356A (en) * | 2020-09-18 | 2020-12-04 | 恒兆(湖北)新材料科技股份有限公司 | Self-repairing non-woven fabric |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2803083B2 (en) * | 1988-01-22 | 1998-09-24 | 三井化学株式会社 | Polymer composition and use thereof |
| JP2721524B2 (en) * | 1988-12-05 | 1998-03-04 | 株式会社クラレ | Adhesive composition |
| JPH06228522A (en) * | 1993-02-03 | 1994-08-16 | Nippon Zeon Co Ltd | Hot-melt pressure-sensitive adhesive composition |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106414643A (en) * | 2014-05-30 | 2017-02-15 | 综研化学株式会社 | Pressure-sensitive adhesive composition, process for producing same, and pressure-sensitive adhesive layer and process for producing same |
| CN106414643B (en) * | 2014-05-30 | 2018-10-02 | 综研化学株式会社 | Adhesive composition and its manufacturing method, adhesive phase and its manufacturing method |
| CN112030356A (en) * | 2020-09-18 | 2020-12-04 | 恒兆(湖北)新材料科技股份有限公司 | Self-repairing non-woven fabric |
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