CN101092538B - Waterproof, humidity permeable resin in aliphatic series for overcoating synthetic leather, manufacturing method of half-advanced polymerization - Google Patents
Waterproof, humidity permeable resin in aliphatic series for overcoating synthetic leather, manufacturing method of half-advanced polymerization Download PDFInfo
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- CN101092538B CN101092538B CN2006100880806A CN200610088080A CN101092538B CN 101092538 B CN101092538 B CN 101092538B CN 2006100880806 A CN2006100880806 A CN 2006100880806A CN 200610088080 A CN200610088080 A CN 200610088080A CN 101092538 B CN101092538 B CN 101092538B
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- China
- Prior art keywords
- toluene
- chainextender
- catalyzer
- paint
- synthetic leather
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- 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.)
- Expired - Fee Related
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- 239000011347 resin Substances 0.000 title claims abstract description 21
- 229920005989 resin Polymers 0.000 title claims abstract description 21
- 125000001931 aliphatic group Chemical group 0.000 title claims abstract description 17
- 239000002649 leather substitute Substances 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000006116 polymerization reaction Methods 0.000 title description 3
- 239000004970 Chain extender Substances 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 11
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 111
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 32
- -1 polydimethylsiloxane Polymers 0.000 claims description 31
- 239000011259 mixed solution Substances 0.000 claims description 20
- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 claims description 17
- 239000003973 paint Substances 0.000 claims description 17
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 16
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 16
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 claims description 16
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 16
- 150000002148 esters Chemical class 0.000 claims description 14
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 14
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 13
- 239000004922 lacquer Substances 0.000 claims description 13
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 13
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 12
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 12
- 239000013256 coordination polymer Substances 0.000 claims description 12
- 229920000570 polyether Polymers 0.000 claims description 12
- 238000010792 warming Methods 0.000 claims description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- 239000012752 auxiliary agent Substances 0.000 claims description 9
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 239000012895 dilution Substances 0.000 claims description 8
- 238000010790 dilution Methods 0.000 claims description 8
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 7
- 229910052797 bismuth Inorganic materials 0.000 claims description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 229920001451 polypropylene glycol Polymers 0.000 claims description 4
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 229920000909 polytetrahydrofuran Polymers 0.000 claims description 3
- 229920000151 polyglycol Polymers 0.000 claims description 2
- 239000010695 polyglycol Substances 0.000 claims description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims 2
- BJZYYSAMLOBSDY-QMMMGPOBSA-N (2s)-2-butoxybutan-1-ol Chemical compound CCCCO[C@@H](CC)CO BJZYYSAMLOBSDY-QMMMGPOBSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000000178 monomer Substances 0.000 claims 1
- 229920001223 polyethylene glycol Polymers 0.000 claims 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 230000008961 swelling Effects 0.000 abstract description 3
- 238000010559 graft polymerization reaction Methods 0.000 abstract description 2
- 239000012948 isocyanate Substances 0.000 abstract description 2
- 150000002513 isocyanates Chemical class 0.000 abstract description 2
- 229920000728 polyester Polymers 0.000 abstract description 2
- 239000003054 catalyst Substances 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 150000002009 diols Chemical class 0.000 abstract 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 4
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 4
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 4
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 3
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 235000019439 ethyl acetate Nutrition 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- KXBFLNPZHXDQLV-UHFFFAOYSA-N [cyclohexyl(diisocyanato)methyl]cyclohexane Chemical compound C1CCCCC1C(N=C=O)(N=C=O)C1CCCCC1 KXBFLNPZHXDQLV-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Landscapes
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
This invention relates to aliphatic waterproof moisture-permeable finishing resin for synthetic leather. The finishing resin is produced from polyester diol and isocyanate in the presence of catalyst and chain extender by graft polymerization (prepolymerization method). Dimethyl siloxane-oxyethylene copolymer is added into the reaction. The molecular structure of the product can be effectively changed, and the product has such advantages as high waterproof ability, no swelling when contacting water, complete reaction and stable quality.
Description
Technical field
The present invention relates to a kind of synthetic leather and cover with paint, lacquer, colour wash, etc. resin, refer in particular to a kind of aliphatics synthetic leather and cover with paint, lacquer, colour wash, etc. resin, the manufacture method with this covering with paint resin of pre-polymerization manufactured is provided simultaneously with Waterproof Breathable function.
Background technology
Existing Waterproof Breathable synthetic leather is covered with paint, lacquer, colour wash, etc. resin on the market, be by polyester glycol and isocyanic ester and chainextender, thinner reaction and oiliness urethane cover with paint, lacquer, colour wash, etc. resin, deficiency is a product and meeting generation swelling after water contacts, water resistance is poor; Common xanthochromia shape (being aromatic series) the Waterproof Breathable synthetic leather that mostly is is covered with paint, lacquer, colour wash, etc. resin on the market in addition, and the Waterproof Breathable synthetic leather that anti-yellow shape (aliphatics) seldom occurs is covered with paint, lacquer, colour wash, etc. resin.
Summary of the invention
The present invention is just in order to overcome above-mentioned deficiency, provide a kind of water resistance good, with swollen aliphatics Waterproof Breathable synthetic leather does not take place after water contacts covers with paint, lacquer, colour wash, etc. resin, main innovation is that the isocyanic ester employing has alicyclic vulcabond in the component, also adopt simultaneously and have alicyclic chainextender, add the polydimethylsiloxane polyoxyethylene copolymer that has primary hydroxyl functional group that has hydrophilic radical again and make the grafting auxiliary agent, by reaction, make product have unique block or grafting molecular structure, thereby improve and stablized the water resistance and the breathable moisture permeability of product, and the aliphatic category product makes the covering with paint resin have anti-xanthochromic characteristic, specifically implement like this: aliphatics Waterproof Breathable synthetic leather is covered with paint, lacquer, colour wash, etc. resin, be polyether glycol, isocyanic ester is at catalyzer, product under the chainextender effect, it is characterized in that reacting and be added with the polydimethylsiloxane polyoxyethylene copolymer that has primary hydroxyl functional group in the component, its component and weight ratio are:
Molecular weight is 2000 polyether glycol 60-80
The polydimethylsiloxane polyoxyethylene copolymer 5-15 that has primary hydroxyl functional group
Isocyanic ester
A kind of or the combination 10-25 of IPDI, H12MDI, XDI, HDI
Phosphoric acid transfers pH value to 4.6-5.1 in right amount
Add:
Toluene 90-110
Catalyzer organo-bismuth or dibutyl tin laurate 0.2-0.5
Chainextender IPDA 5-8
Di-n-Butyl Amine 0.2-0.4
Solvent 40-60
Described polyether glycol is meant a kind of of polyoxypropyleneglycol (PPG), polyglycol ether (PEG), PTMG (PTMEG), tetrahydrofuran (THF) polyoxyethylene glycol copolyether (DC1800) etc. or combination.
Present method adopt have hydrophilic group because of polyether glycol as base resin material, it is the key of control vapor transfer rate, in addition, weather-proof, the hydrolytic resistance of polyether glycol are stablized, acid number is moderate, molecular weight (hydroxyl value) is bigger, can not hold carboxyl and isocyanate reaction just to generate acid amides and emits carbonic acid gas, causes end stopping of chain and forms disagreeable bubble.
The polydimethylsiloxane polyoxyethylene copolymer has primary hydroxyl functional group, and reactive behavior is big, and good hydrophilic property as the grafting auxiliary agent, can effectively change the inherent molecular structure of product, and with respect to currently available products, water resistance greatly improves.
Isocyanic ester in the component of the present invention is meant a kind of or combination that has aliphatic isophorone diisocyanate (IPDI), dicyclohexyl methane diisocyanate (H12MDI), xylylene diisocyanate (XDI), hexamethylene diisocyanate (HDI).Chainextender also adopts also has aliphatic isophorone diamine.
The solvent that uses among the present invention is the one or more combination of toluene, butanone, acetone, ethyl acetate, acetate butyl, and catalyzer adopts organo-bismuth or dibutyl tin laurate, organicly secretly as catalyzer product toxicity is reduced, more environmental protection.
The manufacture method that this aliphatics Waterproof Breathable synthetic leather is covered with paint, lacquer, colour wash, etc. resin is to be 2000 polyether glycol with molecular weight by the component weight ratio, the grafting auxiliary agent has the polydimethylsiloxane polyoxyethylene copolymer of primary hydroxyl functional group and transfers pH value to 4.6-5.1 with an amount of phosphoric acid, drop into the aliphatic category isocyanic ester, catalyzer, being warming up to 75-80 ℃ reacts, when detecting isocyano NCO to 7-8, cooling, use dilution with toluene, when temperature is reduced to 50-55 ℃, drip the mixed solution of chainextender and toluene, react to viscosity and reach more than 100,000 CP.S, drop into termination reaction agent Di-n-Butyl Amine, to 6-7 ten thousand CP.S, be warming up to 60-70 ℃ of insulation 0.5-1.5 hour with solvent adjustment viscosity.
In this manufacture method, more stable in order to make reaction, fully, catalyzer divides the secondary input, and input amount is 2/3rds of a catalyzer total amount for the first time, reacts after 1 hour, drops into remaining catalyzer once more and continues reaction.
In this manufacture method, when detecting isocyano NCO to 7-8, dilution with toluene is used in cooling, and addition is the 10-30% of this weight of first.The mixed solution that in batches carries out chainextender and toluene drips, be generally more than two batches, the best is criticized for 2-3, chain extension dosage accounts for the 60-80% of total chain extension dosage in first mixed liquid, chainextender and toluene by weight proportioning are 1: 8-10, chain extension dosage accounts for the last time 60-80% of chainextender surplus in the mixed liquid of intermediate batch, and chainextender and toluene by weight proportioning are 1: 15-20 is for the last time the chainextender of remainder and the mixed solution of toluene.
The present invention is by adding the grafting auxiliary agent, to be with aliphatic isocyanic ester, polyether glycol under catalyzer, chainextender effect, to carry out graft polymerization reaction, the aliphatics Waterproof Breathable synthetic leather that obtains cover with paint, lacquer, colour wash, etc. the resin water resistance good, with swelling can not take place, constant product quality and anti-xanthochromia after water contacts.
Embodiment
Embodiment 1, it with molecular weight PPG72 part of 2000, the grafting auxiliary agent has 10 parts of the polydimethylsiloxane polyoxyethylene copolymers of primary hydroxyl functional group, transfer pH value to 4.6-5.1 with an amount of phosphoric acid, drop into 17.7 parts of isocyanic ester IPDI, 0.2 part of catalyzer organo-bismuth, be warming up to 75 ℃ of reactions 1 hour, for the second time dropping into the catalyzer organo-bismuth reacts for 0.1 part, when detecting isocyano NCO to 7-8, cooling is with 20 parts of dilution with toluene, when temperature is reduced to 50-55 ℃, the mixed solution that drips chainextender IPDA and toluene in three batches carries out chain extending reaction, the mixed solution that drips is made up of 4.6 parts of IPDA and 40 parts of toluene for the first time, and the mixed solution that drips is made up of 1.5 parts of IPDA and 30 parts of toluene for the second time, and the mixed solution of Di Jiaing is made up of 0.5 part of IPDA and 10 parts of toluene for the third time, react to viscosity and reach more than 100,000 CP.S, drop into 0.2 part of termination reaction agent Di-n-Butyl Amine, regulate viscosity to 6-7 ten thousand CP.S, be warming up to 60 ℃ of insulations 1.5 hours with 40 parts of solvent butanone.
Embodiment 2, it with molecular weight PEG60 part of 2000, PPG20 part, the grafting auxiliary agent has 5 parts of the polydimethylsiloxane polyoxyethylene copolymers of primary hydroxyl functional group, transfer pH value to 4.6-5.1 with an amount of phosphoric acid, drop into isocyanic ester XDI14.5 part, 0.33 part of catalyzer dibutyl tin laurate, be warming up to 80 ℃ of reactions after 1 hour, for the second time dropping into the catalyzer dibutyl tin laurate reacts for 0.17 part, when detecting isocyano NCO to 7-8, cooling, with 10 parts of dilution with toluene, when temperature is reduced to 50-55 ℃, the mixed solution that drips chainextender IPDA and toluene in three batches carries out chain extending reaction, the mixed solution that drips is made up of 6.4 parts of IPDA and 50 parts of toluene for the first time, the mixed solution that drips is made up of 1.1 parts of IPDA and 20 parts of toluene for the second time, the mixed solution of Di Jiaing is made up of 0.5 part of IPDA and 10 parts of toluene for the third time, react to viscosity and reach more than 100,000 CP.S, drop into 0.3 part of termination reaction agent Di-n-Butyl Amine, regulate viscosity to 6-7 ten thousand CP.S with 60 parts of solvent acetate butyls, be warming up to 70 ℃ of insulations 0.5 hour.
Embodiment 3, it with molecular weight PTMEG70 part of 2000, the grafting auxiliary agent has 15 parts of the polydimethylsiloxane polyoxyethylene copolymers of primary hydroxyl functional group, transfer pH value to 4.6-5.1 with an amount of phosphoric acid, drop into 14.7 parts of isocyanic ester HDI, 0.2 part of catalyzer dibutyl tin laurate, be warming up to 80 ℃ of reactions after 1 hour, for the second time dropping into the catalyzer dibutyl tin laurate reacts for 0.1 part, when detecting isocyano NCO to 7-8, cooling, with 30 parts of dilution with toluene, when temperature is reduced to 50-55 ℃, divide two batches of mixed solutions that drip chainextender IPDA and toluene to carry out chain extending reaction, the mixed solution that drips is made up of 3.5 parts of IPDA and 30 parts of toluene for the first time, for the second time the mixed solution that drips is made up of 1.5 parts of IPDA and 20 parts of toluene, reacts to viscosity and reaches more than 100,000 CP.S 0.2 part of input termination reaction agent Di-n-Butyl Amine, regulate viscosity to 6-7 ten thousand CP.S with 30 parts of solvent acetone, be warming up to 65 ℃ of insulations 1 hour.
Embodiment 4, with molecular weight is 60 parts of 2000 tetrahydrofuran (THF) polyoxyethylene glycol copolyethers, the grafting auxiliary agent has 15 parts of the polydimethylsiloxane polyoxyethylene copolymers of primary hydroxyl functional group, transfer pH value to 4.6-5.1 with an amount of phosphoric acid, drop into 24.6 parts of isocyanic ester H12MDI, 0.27 part of catalyzer organo-bismuth, be warming up to 75 ℃ of reactions after 1 hour, for the second time dropping into the catalyzer organo-bismuth reacts for 0.13 part, when detecting isocyano NCO to 7-8, cooling, with 15 parts of dilution with toluene, when temperature is reduced to 50-55 ℃, divide two batches of mixed solutions that drip chainextender IPDA and toluene to carry out chain extending reaction, the mixed solution that drips is made up of 5.6 parts of IPDA and 50 parts of toluene for the first time, for the second time the mixed solution that drips is made up of 1.4 parts of IPDA and 25 parts of toluene, reacts to viscosity and reaches more than 100,000 CP.S 0.3 part of input termination reaction agent Di-n-Butyl Amine, with 30 parts of solvent ethyl acetates, acetone is regulated viscosity to 6-7 ten thousand CP.S for 20 parts, is warming up to 65 ℃ of insulations 1 hour.
Claims (6)
1. aliphatics Waterproof Breathable synthetic leather is covered with paint, lacquer, colour wash, etc. resin, be polyether glycol, the product of isocyanic ester under catalyzer, chainextender effect, it is characterized in that reacting and be added with the polydimethylsiloxane polyoxyethylene copolymer that has primary hydroxyl functional group in the component, its component and weight ratio are:
Molecular weight is 2000 polyether glycol 60-80
The polydimethylsiloxane polyoxyethylene copolymer 5-15 that has primary hydroxyl functional group
Isocyanic ester
A kind of or the combination 10-25 of IPDI, H12MDI, XDI, HDI
It is that the pH value of mixture of 2000 polyether glycol and the polydimethylsiloxane polyoxyethylene copolymer that has primary hydroxyl functional group is to 4.6-5.1 that phosphoric acid is transferred molecular weight in right amount
Add:
Toluene 90-110
Catalyzer organo-bismuth or dibutyl tin laurate 0.2-0.5
Chainextender IPDA 5-8
Di-n-Butyl Amine 0.2-0.4
Solvent 40-60
Described polyether glycol is meant a kind of or combination of polyoxypropyleneglycol PPG, polyglycol ether PEG, PTMG PTMEG, tetrahydrofuran (THF) polyoxyethylene glycol copolyether.
2. covering with paint resin according to claim 1 is characterized in that the solvent in the component is the one or more combination of toluene, butanone, acetone, vinyl acetic monomer, N-BUTYL ACETATE.
3. aliphatics Waterproof Breathable synthetic leather is covered with paint, lacquer, colour wash, etc. the manufacture method of resin, it is characterized in that component weight ratio by claim 1 or 2 described covering with paint resins is 2000 polyether glycol with molecular weight, the grafting auxiliary agent has the polydimethylsiloxane polyoxyethylene copolymer of primary hydroxyl functional group and transfers pH value to 4.6-5.1 with an amount of phosphoric acid, drop into the aliphatic category isocyanic ester, catalyzer, intensification 75-80 ℃ is reacted, when detecting isocyano NCO to 7-8, cooling, use dilution with toluene, when temperature is reduced to 50-55 ℃, drip the mixed solution of chainextender and toluene, react to viscosity and reach more than 100,000 CP.S, drop into termination reaction agent Di-n-Butyl Amine, to 6-7 ten thousand CP.S, be warming up to 60-70 ℃ of insulation 0.5-1.5 hour with solvent adjustment viscosity.
4. manufacture method according to claim 3 is characterized in that catalyzer divides the secondary input, and input amount is 2/3rds of a catalyzer total amount for the first time, reacts after 1 hour, drops into remaining catalyzer once more and continues reaction.
5. manufacture method according to claim 3 is characterized in that when detecting isocyano NCO to 7-8, and dilution with toluene is used in cooling, and addition is the 10-30% of toluene by weight.
6. manufacture method according to claim 3, it is characterized in that the mixed solution that in batches carries out chainextender and toluene drips, chain extension dosage accounts for the 60-80% of total chain extension dosage in first mixed liquid, chainextender and toluene by weight proportioning are 1: 8-10, chain extension dosage accounts for the last time 60-80% of chainextender surplus in the mixed liquid of intermediate batch, chainextender and toluene by weight proportioning are 1: 15-20 is for the last time the chainextender of remainder and the mixed solution of toluene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100880806A CN101092538B (en) | 2006-06-23 | 2006-06-23 | Waterproof, humidity permeable resin in aliphatic series for overcoating synthetic leather, manufacturing method of half-advanced polymerization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100880806A CN101092538B (en) | 2006-06-23 | 2006-06-23 | Waterproof, humidity permeable resin in aliphatic series for overcoating synthetic leather, manufacturing method of half-advanced polymerization |
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| Publication Number | Publication Date |
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| CN101092538A CN101092538A (en) | 2007-12-26 |
| CN101092538B true CN101092538B (en) | 2010-11-10 |
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| CN2006100880806A Expired - Fee Related CN101092538B (en) | 2006-06-23 | 2006-06-23 | Waterproof, humidity permeable resin in aliphatic series for overcoating synthetic leather, manufacturing method of half-advanced polymerization |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101613451B (en) * | 2009-08-05 | 2011-04-06 | 辽宁恒星精细化工（集团）有限公司 | High-content aqueous polyurethane latex and preparation method thereof |
| CN101781516B (en) * | 2010-02-04 | 2012-09-05 | 河北华腾万富达精细化工有限责任公司 | Primer coating for extrusion complex of soft package and applications thereof |
| CN101812229B (en) * | 2010-04-02 | 2012-06-20 | 宜兴市新光科技有限公司 | Heat-insulating and shock-absorbing protective film and preparation method thereof |
| CN102993400A (en) * | 2012-11-28 | 2013-03-27 | 浙江华峰合成树脂有限公司 | Moisture-permeable and waterproof type no-yellowing polyurethane resin for shoe leather and preparation method |
| CN103172821B (en) * | 2013-03-20 | 2014-12-31 | 嘉兴学院 | Preparation method of polyurethane resin with low swelling and high moisture permeability |
| CN104975521B (en) * | 2015-07-06 | 2016-11-30 | 辽宁恒星精细化工有限公司 | Nylon facing material aqueous polyurethane rubber cement emulsion and preparation method |
| CN111019080A (en) * | 2019-12-26 | 2020-04-17 | 江苏宝泽高分子材料股份有限公司 | Solvent-free polyurethane resin for clothing leather and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032174A (en) * | 1987-09-25 | 1989-04-05 | 山东大学 | The preparation of polyurethane-polysiloxane line-type block polymer and application |
| CN1276030A (en) * | 1997-09-18 | 2000-12-06 | 美国3M公司 | Fluorochemical composition comprising blocked isocyanate extender and method of treatment of fibrous substrate therewith |
-
2006
- 2006-06-23 CN CN2006100880806A patent/CN101092538B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032174A (en) * | 1987-09-25 | 1989-04-05 | 山东大学 | The preparation of polyurethane-polysiloxane line-type block polymer and application |
| CN1276030A (en) * | 1997-09-18 | 2000-12-06 | 美国3M公司 | Fluorochemical composition comprising blocked isocyanate extender and method of treatment of fibrous substrate therewith |
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| CN101092538A (en) | 2007-12-26 |
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