JP2009542465A - 熱収縮性フィルム - Google Patents
熱収縮性フィルム Download PDFInfo
- Publication number
- JP2009542465A JP2009542465A JP2009517417A JP2009517417A JP2009542465A JP 2009542465 A JP2009542465 A JP 2009542465A JP 2009517417 A JP2009517417 A JP 2009517417A JP 2009517417 A JP2009517417 A JP 2009517417A JP 2009542465 A JP2009542465 A JP 2009542465A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- polypropylene
- shrinkable film
- film
- polyester
- 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
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- 229920006257 Heat-shrinkable film Polymers 0.000 title claims abstract description 27
- -1 polypropylene Polymers 0.000 claims abstract description 58
- 239000004743 Polypropylene Substances 0.000 claims abstract description 39
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229920001155 polypropylene Polymers 0.000 claims abstract description 39
- 229920000728 polyester Polymers 0.000 claims abstract description 28
- 229920000098 polyolefin Polymers 0.000 claims abstract description 27
- 239000010410 layer Substances 0.000 claims description 157
- 238000000034 method Methods 0.000 claims description 20
- 239000011229 interlayer Substances 0.000 claims description 15
- 229920001225 polyester resin Polymers 0.000 claims description 13
- 239000004645 polyester resin Substances 0.000 claims description 13
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 11
- 239000000155 melt Substances 0.000 claims description 9
- 229920006270 hydrocarbon resin Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920005674 ethylene-propylene random copolymer Polymers 0.000 claims description 2
- 239000013032 Hydrocarbon resin Substances 0.000 claims 3
- 239000003208 petroleum Substances 0.000 claims 1
- 238000010559 graft polymerization reaction Methods 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 description 26
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 13
- 229920000578 graft copolymer Polymers 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 239000000853 adhesive Substances 0.000 description 10
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- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 8
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- 239000000047 product Substances 0.000 description 8
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- 230000009477 glass transition Effects 0.000 description 6
- 239000002356 single layer Substances 0.000 description 6
- 230000003993 interaction Effects 0.000 description 5
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
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- 150000001336 alkenes Chemical class 0.000 description 3
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- 238000005520 cutting process Methods 0.000 description 3
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- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
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- 238000002329 infrared spectrum Methods 0.000 description 3
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- 239000000126 substance Substances 0.000 description 3
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- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
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- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 2
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- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
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- 125000003700 epoxy group Chemical group 0.000 description 2
- 150000002148 esters Chemical group 0.000 description 2
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- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 2
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- 238000004064 recycling Methods 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 1
- QPFMBZIOSGYJDE-QDNHWIQGSA-N 1,1,2,2-tetrachlorethane-d2 Chemical compound [2H]C(Cl)(Cl)C([2H])(Cl)Cl QPFMBZIOSGYJDE-QDNHWIQGSA-N 0.000 description 1
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 1
- PXGZQGDTEZPERC-UHFFFAOYSA-N 1,4-cyclohexanedicarboxylic acid Chemical compound OC(=O)C1CCC(C(O)=O)CC1 PXGZQGDTEZPERC-UHFFFAOYSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- DSKYSDCYIODJPC-UHFFFAOYSA-N 2-butyl-2-ethylpropane-1,3-diol Chemical compound CCCCC(CC)(CO)CO DSKYSDCYIODJPC-UHFFFAOYSA-N 0.000 description 1
- VNAWKNVDKFZFSU-UHFFFAOYSA-N 2-ethyl-2-methylpropane-1,3-diol Chemical compound CCC(C)(CO)CO VNAWKNVDKFZFSU-UHFFFAOYSA-N 0.000 description 1
- NEQFBGHQPUXOFH-UHFFFAOYSA-N 4-(4-carboxyphenyl)benzoic acid Chemical compound C1=CC(C(=O)O)=CC=C1C1=CC=C(C(O)=O)C=C1 NEQFBGHQPUXOFH-UHFFFAOYSA-N 0.000 description 1
- 229920001634 Copolyester Polymers 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
- 229920003355 Novatec® Polymers 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
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- XDODWINGEHBYRT-UHFFFAOYSA-N [2-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCCCC1CO XDODWINGEHBYRT-UHFFFAOYSA-N 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
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- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- XBZSBBLNHFMTEB-UHFFFAOYSA-N cyclohexane-1,3-dicarboxylic acid Chemical compound OC(=O)C1CCCC(C(O)=O)C1 XBZSBBLNHFMTEB-UHFFFAOYSA-N 0.000 description 1
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- 238000006073 displacement reaction Methods 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- RLAWWYSOJDYHDC-BZSNNMDCSA-N lisinopril Chemical compound C([C@H](N[C@@H](CCCCN)C(=O)N1[C@@H](CCC1)C(O)=O)C(O)=O)CC1=CC=CC=C1 RLAWWYSOJDYHDC-BZSNNMDCSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 1
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
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- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
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- XRVCFZPJAHWYTB-UHFFFAOYSA-N prenderol Chemical compound CCC(CC)(CO)CO XRVCFZPJAHWYTB-UHFFFAOYSA-N 0.000 description 1
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- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
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Images
Classifications
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- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/003—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor characterised by the choice of material
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- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
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- B29C61/0608—Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms
- B29C61/0616—Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms layered or partially layered preforms, e.g. preforms with layers of adhesive or sealing compositions
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- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/38—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses
- B29C63/40—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses using sheet or web-like material
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- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
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- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
- C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L23/14—Copolymers of propene
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L23/142—Copolymers of propene at least partially crystalline copolymers of propene with other olefins
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
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- B32B2307/736—Shrinkable
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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- B32B2323/10—Polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
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- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
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- Y10T428/00—Stock material or miscellaneous articles
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Abstract
【解決手段】本発明は、ポリエステルからなる第一外層、ポリエステルからなる第二外層、ポリオレフィンからなる内層、メタクリル酸グリシジルが直接又はグラフト促進剤によりグラフト重合されたポリプロピレンからなる第一外層と内層の間の第一中間層、メタクリ酸グリシジルが直接的に又はグラフト促進剤によりグラフト重合されたポリプロピレンからなる第二外層と内層の間の第二中間層、とからなる多層熱収縮性フィルムを提供する。
【選択図】なし
Description
WO2004/094141には、この方法の一例が詳細に述べられている。US4,656,094には、ポリエステル樹脂層とエポキシ基含有オレフィンポリマー層とからなる多層シュリンクフィルムが記載されている。
ポリエステルからなる第一外層、
ポリエステルからなる第二外層、
ポリオレフィンからなる内層、
メタクリル酸グリシジルが直接的に又はグラフト促進剤によってグラフトされたポリプロピレンからなる第一外層と内層の間の第一中間層、
メタクリル酸グリシジルが直接的に又はグラフト促進剤によってグラフトされたポリプロピレンからなる第二外層と内層の間の第二中間層、
とからなることを特徴とする多層熱収縮性フィルムを提供する。
ポリエステルからなる第一外層、
ポリエステルからなる第二外層、
ポリオレフィンからなる内層、
メタクリル酸グリシジルが直接的に又はグラフト促進剤によってグラフトされたポリプロピレンからなる第一外層と内層の間の第一中間層、さらに
メタクリル酸グリシジルが直接的に又はグラフト促進剤によってグラフトされたポリプロピレンからなる第二外層と内層の間の第二中間層を含んでいる。
本発明のフィルムは、二層の外層を有している。即ち、第一外層と第二外装の二層である。これらの外層の組成は、相互に異なっていてもよいし、同一であってもよい。これらの外層は、一種以上のポリエステルを含むか、該ポリエステルからなるものである。ポリエステルフィルムは公知であり、いろいろな技術仕様で提供されている。
本発明のフィルムは、内層(中間層/コア層)を有している。この内層は一種以上のポリオレフィンを含んでいる。ポリオレフィンフィルムは公知であり、様々な技術使用で提供されている。
本発明のフィルムは、二枚の外層と一枚の内層(コア層)との間に二枚の中間層を有している。第一中間層は第一外層と内層の間に、第二中間層は第二外層と内層との間に位置している。二枚の中間層の組成は、相互に異なっていてもよいし、同一であってもよい。
多層熱収縮性フィルムは、上述のように、少なくとも5層を有している。本発明の多層フィルムは、非収縮の状態、即ち製造後であるが収縮処理前の状態と、収縮された状態、即ち熱収縮処理後の両方の状態で供給される。
・内層の厚みをTIとすると、
・中間層の厚みは、好ましくは、各々0.1TI〜TIの範囲であり、より好ましくは0.2TI〜0.5TIの範囲であり、
・外層の厚みは、好ましくは、各々0.1TI〜TIの範囲であり、より好ましくは0.2TI〜0.5TIの範囲である。
ポリエステル:イーストマンケミカル社製「エンブレイス21214」(商品名)
ポリプロピレン:日本ポリプロピレン社製「ウィンテックWFX6」(商品名)
ポリエチレン:日本ポリエチレン社製「カーネル260T」(商品名)及び
水添石油系炭化水素樹脂:荒川化学工業社製「アルコンP215」(商品名)
外層のAとE:100重量部のポリエステル樹脂、230℃
内層のC:100重量部のポリプロピレン、200℃(内層C)
中間層のBとD:100重量部のグラフト化度が4%のGMAグラフトポリプロピレン、200℃
Bは第一中間層である。
Cは内層(中間層/コア層)である。
Dは第二中間層である。
Eは第二外層である。
図1では全ての層が同じ厚みを持つよう図示されているが、これは本発明の層構成を示すための一例に過ぎない。
Claims (11)
- ポリエステルからなる第一外層、
ポリエステルからなる第二外層、
ポリオレフィンからなる内層、
メタクリル酸グリシジルが直接的に又はグラフト促進剤によってグラフト重合されたポリプロピレンからなる第一外層と内層の間の第一中間層、
メタクリル酸グリシジルが直接的に又はグラフト促進剤によってグラフト重合されたポリプロピレンからなる第二外層と内層の間の第二中間層、
とからなる多層熱収縮性フィルム。 - 前記第一外層及び/又は第二外層がポリエステル樹脂からなる請求項1に記載の多層熱収縮性フィルム。
- 前記内層がポリプロピレン及び/又はポリエチレンからなる請求項1又は2に記載の多層熱収縮性フィルム。
- 前記内層が、エチレン−プロピレンランダム共重合体からなる請求項1〜3の何れかの項に記載の多層熱収縮性フィルム。
- 前記内層がさらに炭化水素樹脂からなる請求項1〜4の何れかの項に記載の多層熱収縮性フィルム。
- 前記炭化水素樹脂が水添石油系炭化水素樹脂からなる請求項5に記載の多層熱収縮性フィルム。
- 前記第一中間層及び/又は第二中間層が、グラフト促進剤を用いてメタクリル酸グリシジルをグラフトさせたポリプロピレンからなり、該グラフト促進剤がスチレンからなる請求項1〜6の何れかの項に記載の多層熱収縮性フィルム。
- 第一中間層及び/又は第二中間層における必要に応じてグラフト促進剤を用いて行われるポリプロピレン鎖へのメタクリル酸グリシジルのグラフト化度が15%以下である請求項1〜7の何れかの項に記載の多層熱収縮性フィルム。
- 第一中間層及び/又は第二中間層におけるグラフト化度が10%以下である請求項8に記載の多層熱収縮性フィルム。
- 第一中間層及び/又は第二中間層のメルトフローインデックスが2〜20である請求項1〜9の何れかの項に記載の多層熱収縮性フィルム。
- ポリエステルからなる層とポリオレフィンからなる層の間の層間接着強度を向上させる方法であって、該ポリエステル層とポリオレフィン層との間に中間層を設けることからなり、該中間層が、メタクリル酸グリシジルが直接的に又はグラフト促進剤によってグラフトされたポリプロピレンを含むことを特徴とする方法。
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GB0613189A GB2439728B (en) | 2006-07-03 | 2006-07-03 | Heat-shrinkable film |
GB0613189.0 | 2006-07-03 | ||
PCT/GB2007/002472 WO2008003946A1 (en) | 2006-07-03 | 2007-07-02 | Heat-shrinkable film |
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JP2009542465A true JP2009542465A (ja) | 2009-12-03 |
JP5113165B2 JP5113165B2 (ja) | 2013-01-09 |
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US (1) | US20090305067A1 (ja) |
EP (1) | EP2038119B1 (ja) |
JP (1) | JP5113165B2 (ja) |
DE (1) | DE602007004336D1 (ja) |
GB (1) | GB2439728B (ja) |
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WO (1) | WO2008003946A1 (ja) |
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FR2997342B1 (fr) * | 2012-10-26 | 2014-12-05 | Sleever Int | Film en matiere plastique thermoretractable multicouche |
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- 2007-07-02 WO PCT/GB2007/002472 patent/WO2008003946A1/en active Application Filing
- 2007-07-02 EP EP20070733441 patent/EP2038119B1/en not_active Ceased
- 2007-07-02 PL PL07733441T patent/PL2038119T3/pl unknown
- 2007-07-02 DE DE200760004336 patent/DE602007004336D1/de active Active
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EP2038119B1 (en) | 2010-01-13 |
JP5113165B2 (ja) | 2013-01-09 |
PL2038119T3 (pl) | 2010-06-30 |
DE602007004336D1 (de) | 2010-03-04 |
GB2439728A (en) | 2008-01-09 |
GB0613189D0 (en) | 2006-08-09 |
US20090305067A1 (en) | 2009-12-10 |
GB2439728B (en) | 2010-07-21 |
EP2038119A1 (en) | 2009-03-25 |
WO2008003946A1 (en) | 2008-01-10 |
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