CN101638568B - Modified polyurethane waterproof seal glue - Google Patents
Modified polyurethane waterproof seal glue Download PDFInfo
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- CN101638568B CN101638568B CN2009101468338A CN200910146833A CN101638568B CN 101638568 B CN101638568 B CN 101638568B CN 2009101468338 A CN2009101468338 A CN 2009101468338A CN 200910146833 A CN200910146833 A CN 200910146833A CN 101638568 B CN101638568 B CN 101638568B
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- 229920002635 polyurethane Polymers 0.000 title claims abstract description 33
- 239000004814 polyurethane Substances 0.000 title claims abstract description 33
- 239000003292 glue Substances 0.000 title claims abstract description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000945 filler Substances 0.000 claims abstract description 19
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 18
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 18
- 239000004970 Chain extender Substances 0.000 claims abstract description 16
- 239000003208 petroleum Substances 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 14
- 239000011347 resin Substances 0.000 claims abstract description 14
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 claims abstract description 12
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 12
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920000570 polyether Polymers 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 5
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 4
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 4
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 4
- SGGOJYZMTYGPCH-UHFFFAOYSA-L manganese(2+);naphthalene-2-carboxylate Chemical compound [Mn+2].C1=CC=CC2=CC(C(=O)[O-])=CC=C21.C1=CC=CC2=CC(C(=O)[O-])=CC=C21 SGGOJYZMTYGPCH-UHFFFAOYSA-L 0.000 claims abstract description 4
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 4
- 239000004902 Softening Agent Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 229920001730 Moisture cure polyurethane Polymers 0.000 claims description 4
- ZEMPKEQAKRGZGQ-AAKVHIHISA-N 2,3-bis[[(z)-12-hydroxyoctadec-9-enoyl]oxy]propyl (z)-12-hydroxyoctadec-9-enoate Chemical compound CCCCCCC(O)C\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CC(O)CCCCCC)COC(=O)CCCCCCC\C=C/CC(O)CCCCCC ZEMPKEQAKRGZGQ-AAKVHIHISA-N 0.000 claims description 3
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical compound [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 claims description 3
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 235000011187 glycerol Nutrition 0.000 claims description 3
- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims description 3
- 229960001866 silicon dioxide Drugs 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 2
- 239000013530 defoamer Substances 0.000 abstract 2
- 239000004014 plasticizer Substances 0.000 abstract 2
- 239000008037 PVC plasticizer Substances 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 1
- 229960001777 castor oil Drugs 0.000 abstract 1
- 235000019438 castor oil Nutrition 0.000 abstract 1
- 239000004359 castor oil Substances 0.000 abstract 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 abstract 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 239000004568 cement Substances 0.000 description 28
- 229910021529 ammonia Inorganic materials 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 7
- 230000035484 reaction time Effects 0.000 description 5
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 4
- -1 ammonia ester Chemical class 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XVEUJTIZHZIHJM-UHFFFAOYSA-N a828782 Chemical compound CCOC(N)=O.CCOC(N)=O XVEUJTIZHZIHJM-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000004587 polysulfide sealant Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Sealing Material Composition (AREA)
Abstract
The invention discloses a modified polyurethane waterproof seal glue, comprising the following components by weight parts: 65 parts of polyether glycol, 35 parts of polybutadiene polyurethanes, 60 parts of dicyclopentadiene petroleum resin, 2, 5 parts of castoroil or glycerol used as a chain extender, 0.5 part of organic silicon flatting agent used as a defoamer, 0.5 part of fluorocarbon flatting agent used as a flatting agent, 1 part of PVC plasticizer used as a plasticizer, 0.2 part of manganese naphthenate used as a catalyst and 35 parts of calcium carbonate, calcium hydroxide and silica used as a filler. The manufacture method comprises the following steps: (1) decompressing and dehydrating the polyether glycol; (2) adding the polybutadiene polyurethanes to carry out a reaction; (3) drying the dicyclopentadiene petroleum resin; (4) adding the chain extender, the defoamer, the flatting agent, the plasticizer and the catalyst to stir for the first time; and (5) adding the filler to stir for the section time. The invention has good mechanical property and low production cost.
Description
Technical field
The present invention relates to building material field, particularly modified polyurethane waterproof seal glue.
Background technology
With respect to other elastic water-proof sealer (organosilicon sealant, polysulfide sealant), polyurethane waterproof seal glue has special performances: bonding is stable, excellent spring; Compare in anti tear, wear-resisting, anti-puncture with silicone, base material is not polluted, acid and alkali-resistance and organic solvent, stone material and concrete do not had aspect such as corrosion and have a clear superiority in.In the three big waterproof gasket cements, the polyurethane water-proof sealer is used for fields such as civil construction with its good relatively performance, but requires height like engineerings such as curtain walls for tensile strength, and polyurethane water-proof sealer mechanical property may not reach requirement.In addition, conventional urethane waterproof gasket cement cost of manufacture is higher, has also influenced the range of application of conventional urethane waterproof gasket cement.
Summary of the invention
To the deficiency that exists in the prior art; The object of the present invention is to provide a kind of modified polyurethane waterproof seal glue and preparation method; Further improve urethane urethane waterproof gasket cement mechanical property; Satisfying continuation reduction price under the request for utilization, solve the not high problem of conventional waterproof sealer sexual valence through modification.
Proportioning raw materials of the present invention is following: the polyether glycol consumption is 65 parts, moulds a particle diameter and is controlled in the 10mm; The polybutadiene polyurethane consumption is 35 parts; The dicyclopentadiene petroleum resin consumption is 60 parts; Chainextender adopts Viscotrol C or glycerine; Consumption is 2.5 parts; Skimmer adopts the organosilicon flow agent, and consumption is 0.5 part; Flow agent adopts fluorine carbon flow agent, and consumption is 0.5 part; Softening agent adopts the PVC softening agent, and consumption is 1 part; Catalyzer adopts manganese naphthenate, and consumption is 0.2 part; Filler adopts filler to adopt lime carbonate, calcium hydroxide, silicon-dioxide, and consumption is 35 parts.
Making step of the present invention comprises:
(1) polyether glycol decompression dehydration
Polyether glycol is added whisking appliance, agitator and vacuum pump, and temperature risen to 110 ℃, 2h dewaters under the vacuum tightness of about 20mmHg.
(2) add the polybutadiene polyurethane reaction
Be cooled to 85 ℃, material added polybutadiene polyurethane stir 4h, obtain base polyurethane prepolymer for use as.
(3) dicyclopentadiene petroleum resin is carried out drying.
(4) adding chainextender, skimmer, flow agent, softening agent, catalyzer carry out the stirring first time.
(5) add filler and carry out the stirring second time.
Mechanical property of the present invention is good, and production cost is low.
Embodiment
Embodiment prepares modified polyurethane waterproof seal glue with the following methods:
Proportioning raw materials of the present invention is following: the polyether glycol consumption is 65 parts; The polybutadiene polyurethane consumption is 35 parts; The dicyclopentadiene petroleum resin consumption is 60 parts; Chainextender adopts Viscotrol C or glycerine; Consumption is 2.5 parts; Skimmer adopts the organosilicon flow agent, and consumption is 0.5 part; Flow agent adopts fluorine carbon flow agent, and consumption is 0.5 part; Softening agent adopts the PVC softening agent, and consumption is 1 part; Catalyzer adopts manganese naphthenate, and consumption is 0.2 part; Filler adopts filler to adopt lime carbonate, calcium hydroxide, silicon-dioxide, and consumption is 35 parts.
Each raw material effect and batching are according to as follows:
Table 2 is polybutadiene polyurethane content and waterproof gasket cement mechanical property relation, shows the increase along with polybutadiene polyurethane content in the table, and the sealer tensile strength increases gradually, and elongation at break diminishes, and elongation at break reduces gradually.This mainly is that the soft segment in the performed polymer reduces because polybutadiene polyurethane content increases, and hydrogen bond is easy to form, and secondary is crosslinked to be increased, and intermolecular forces strengthens.But along with the increase of polybutadiene polyurethane content, the performed polymer molecular weight reduces, and is easy to chain extending reaction more, makes to be easy to reaction system lost of life in container become sticky, and makes troubles to pouring operation.Table 2 shows that polybutadiene polyurethane content is at 35 o'clock, the better performances of waterproof gasket cement.
Table 2 polybutadiene polyurethane content and waterproof gasket cement mechanical property relation
| Polybutadiene polyurethane | Tensile strength/MPa | Young's modulus/MPa | Breaking tenacity/MPa | Elongation at break |
| 45 | 1.3 | 1.3 | 1.31 | 182.2％ |
| 40 | 1.19 | 1.17 | 1.11 | 222.5％ |
| 35 | 1.13 | 1.06 | 1.01 | 245.5％ |
| 30 | 1.05 | 0.97 | 0.96 | 295.3％ |
| 25 | 0.72 | 0.46 | 0.77 | 325.5％ |
| 20 | 0.52 | 0.32 | 0.64 | 395.3％ |
Table 3 is dicyclopentadiene petroleum resin content and waterproof gasket cement mechanical property relation.Table 3 shows the increase along with petroleum resin content, and the tensile strength and the breaking tenacity of waterproof gasket cement have a declining tendency, and the then reduction then of rising earlier of elongation at break and Young's modulus.The comprehensive mechanical property of dicyclopentadiene petroleum resin content prepared waterproof gasket cement in the time of 60 parts is better.
Table 3 dicyclopentadiene petroleum resin content and waterproof gasket cement mechanical property relation
| Petroleum resin content | Tensile strength/MPa | Young's modulus/MPa | Breaking tenacity/MPa | Elongation at break |
| 40 | 1.21 | 1.18 | 1.21 | 172.2％ |
| 50 | 1.16 | 1.27 | 1.11 | 178.5％ |
| 60 | 1.13 | 1.46 | 1.08 | 226.5％ |
| 70 | 0.98 | 1.97 | 0.86 | 235.3％ |
| 80 | 0.74 | 2.46 | 0.77 | 255.5％ |
| 90 | 0.51 | 2.62 | 0.64 | 267.3％ |
Table 4 is chainextender consumption and waterproof gasket cement mechanical property relation; Show in the table that tensile strength reduces with the increase of chainextender consumption gradually; This is owing to when chainextender is used quantity not sufficient, can not make the abundant cross-linking reaction of ammonia ester root in the performed polymer, causes degree of crosslinking low; Macromolecular network structure in the system forms insufficient, causes tensile strength low; When increasing with the chainextender consumption, the excessive value of ammonia ester root diminishes, and intermolecular hydrogen bond reduces, and also can cause the reduction of tensile strength.When too many, can make the short chain molecule content in the system too much, cause occurring not solidifying under the normal temperature, become the waste product of viscous state., the mass fraction of chainextender obtains crosslinked comparatively ideal waterproof gasket cement when being 2.5.
Table 4 chainextender consumption and waterproof gasket cement mechanical property relation
| The chainextender consumption | Tensile strength/MPa | Young's modulus/MPa | Breaking tenacity/MPa | Elongation at break |
| 1.5 | 1.29 | 1.21 | 1.27 | 192.2％ |
| 2 | 1.24 | 1.32 | 1.17 | 201.3％ |
| 2.5 | 1.19 | 1.48 | 1.13 | 236.5％ |
| 3 | 0.86 | 1.96 | 0.81 | 242.1％ |
| 3.5 | 0.69 | 2.43 | 0.77 | 257.4％ |
| 4 | 0.57 | 2.62 | 0.66 | 269.5％ |
Consider the chemical reaction of ammonia ester root, can produce a large amount of bubbles, and the generation of bubble can make glued membrane pore occur, have a strong impact on the performance of waterproof gasket cement.So we select proper quantity of defoaming agent for use, improve the performance of waterproof gasket cement.
Because the viscosity of mixture is very big, so in reaction product, need to add flow agent, flow agent can make the waterproof gasket cement surface tension descend, and improves its wettability to coated article, reduces the waterproof sealing adhesive capacity.
Softening agent can reduce the intermolecular forces of polymkeric substance in the waterproof gasket cement; Increase the reactivity of polymer molecular chain; Reduce the crystallinity of polymer molecular chain; Thereby the hardness of film, modulus, fragility of waterproof gasket cement are reduced, and elongation, scratch rate in the wrong, snappiness improves, thereby improve the physical and mechanical properties of waterproof gasket cement.
In modified polyurethane waterproof gasket cement solidified process, the effect of catalyzer mainly is the reaction that promotes urethane root and chainextender, shortens the reaction times, increases the intensity of glued membrane.
Table 5 is amount of filler and waterproof gasket cement mechanical property relation, and table 5 shows the increase with amount of filler, and breaking tenacity, tensile strength and Young's modulus are all progressively increasing, and elongation at break raises to some extent.When amount of filler is between 35 parts, prepared waterproof gasket cement better performances.Filler too much can't make filler fully disperse; And make the part filler phenomenon that taken place to unite; Physical bond has taken place in the macromole in lip-deep filler of the group of having only and the waterproof gasket cement; Make waterproof gasket cement surface and inside form bubble, the concentrated thing of pin hole equal stress, thereby cause the stress concentration phenomenon in the sample drawing process, finally cause elongation at break to descend greatly.
Table 5 amount of filler and waterproof gasket cement mechanical property relation
| Amount of filler | Tensile strength/MPa | Young's modulus/MPa | Breaking tenacity/MPa | Elongation at break |
| 45 | 1.35 | 1.19 | 1.28 | 157.8％ |
| 40 | 1.26 | 1.28 | 1.18 | 178.1％ |
| 35 | 1.21 | 1.52 | 1.15 | 238.3％ |
| 30 | 0.82 | 2.01 | 0.78 | 243.5％ |
| 25 | 0.71 | 2.37 | 0.70 | 262.5％ |
| 20 | 0.60 | 2.75 | 0.64 | 287.4％ |
Making step of the present invention comprises:
(1) polyether glycol decompression dehydration
Polyether glycol is added whisking appliance, agitator and vacuum pump, and temperature risen to 110 ℃, 2h dewaters under the vacuum tightness of about 20mmHg.
(2) add the polybutadiene polyurethane reaction
Be cooled to 85 ℃, material added polybutadiene polyurethane stir 4h, obtain base polyurethane prepolymer for use as.
Table 6 is ammonia ester radical content and reaction times relation.Can find out that by table 1 along with the prolongation in reaction times, the ammonia ester radical content in the performed polymer is and reduces trend; At this is because along with the carrying out that reacts, ammonia ester root and hydroxide radical reaction generate due to the urethane, in 1～3h; Reaction is very fast, and polyurethane content changes not quite behind the 3h, generally when 4～5h, reaches set(ting)value; Ammonia ester radical content tends to balance constant, so according to this trend, the reaction times of performed polymer fixes on 4h and is advisable.
Table 6 ammonia ester radical content and reaction times relation
| Time | 1h | 2h | 3h | 4h | 5h |
| Ammonia ester radical content | 6.7％ | 5.7％ | 5.3％ | 5.1％ | 5％ |
(3) dicyclopentadiene petroleum resin is carried out drying.
Dicyclopentadiene petroleum resin carries out modification owing to have undersaturated pair of key to base polyurethane prepolymer for use as.
(4) adding chainextender, skimmer, flow agent, softening agent, catalyzer carry out the stirring first time.
(5) add filler and carry out the stirring second time.
Through test; The modified polyurethane waterproof gasket cement has excellent mechanical property among the embodiment, and tensile strength can reach more than the 1.8MPa, and elongation at break can reach more than 500%; Its surface drying time is less than 24h; Solids content has water tolerance preferably more than 90%, and each item performance index reach premium grads requirement in the modified polyurethane waterproof gasket cement standard (JC482-1992) basically.
Claims (2)
1. modified polyurethane waterproof seal glue, its proportioning raw materials is following: the polyether glycol consumption is 65 parts; The polybutadiene polyurethane consumption is 35 parts; The dicyclopentadiene petroleum resin consumption is 60 parts; Chainextender adopts Viscotrol C or glycerine; Consumption is 2.5 parts; Skimmer adopts the organosilicon flow agent, and consumption is 0.5 part; Flow agent adopts fluorine carbon flow agent, and consumption is 0.5 part; Softening agent adopts the PVC softening agent, and consumption is 1 part; Catalyzer adopts manganese naphthenate, and consumption is 0.2 part; Filler adopts lime carbonate, calcium hydroxide, silicon-dioxide, and consumption is 35 parts; Its characteristic comprises following making step:
(1) polyether glycol decompression dehydration
Polyether glycol is added whisking appliance, agitator and vacuum pump, and temperature risen to 110 ℃, 2h dewaters under the vacuum tightness of 20mmHg;
(2) add the polybutadiene polyurethane reaction
Be cooled to 85 ℃, material added polybutadiene polyurethane stir 4h, obtain base polyurethane prepolymer for use as;
(3) dicyclopentadiene petroleum resin is carried out drying;
(4) adding chainextender, skimmer, flow agent, softening agent, catalyzer carry out the stirring first time;
(5) add filler and carry out the stirring second time.
2. according to the described modified polyurethane waterproof seal glue of claim 1, it is characterized in that the raw material polyether glycol moulds a particle diameter and be controlled in the 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101468338A CN101638568B (en) | 2009-06-09 | 2009-06-09 | Modified polyurethane waterproof seal glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101468338A CN101638568B (en) | 2009-06-09 | 2009-06-09 | Modified polyurethane waterproof seal glue |
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| CN101638568A CN101638568A (en) | 2010-02-03 |
| CN101638568B true CN101638568B (en) | 2012-03-14 |
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| CN2009101468338A Expired - Fee Related CN101638568B (en) | 2009-06-09 | 2009-06-09 | Modified polyurethane waterproof seal glue |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103642455B (en) * | 2013-11-25 | 2016-02-24 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of non-drying sealing compound |
| CN107573674A (en) * | 2017-09-06 | 2018-01-12 | 苏州纽东精密制造科技有限公司 | A kind of preparation method of encapsulant |
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|---|---|---|---|---|
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-
2009
- 2009-06-09 CN CN2009101468338A patent/CN101638568B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| US4775719A (en) * | 1986-01-29 | 1988-10-04 | H. B. Fuller Company | Thermally stable hot melt moisture-cure polyurethane adhesive composition |
| CN1129720A (en) * | 1994-09-29 | 1996-08-28 | 国际壳牌研究有限公司 | polyurethane sealants and adhesives containing saturated hydrocarbon polyols |
| CN1248606A (en) * | 1998-09-21 | 2000-03-29 | 深圳市奥博胶粘剂化工有限公司 | Polyurethane adhesives/sealant composition, precursor and preparation process thereof |
| CN1437623A (en) * | 2000-04-21 | 2003-08-20 | 国家淀粉及化学投资控股公司 | Polyurethane hot melt adhesives with acrylic copolymers and thermoplastic resins |
| CN1594481A (en) * | 2004-06-24 | 2005-03-16 | 淄博海特曼化工有限公司 | Solvent-free high-strength polyurethane cementing sealing glue and method for making same |
Non-Patent Citations (3)
| Title |
|---|
| 沈春晖等."丁羟聚氨酯电器灌封胶的研制".《中国胶粘剂》.1998,第7卷(第5期),4-7. |
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| CN101638568A (en) | 2010-02-03 |
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