CN102241956A - Poly(propylene carbonate)-based water-borne polyurethane adhesive and preparation method thereof - Google Patents
Poly(propylene carbonate)-based water-borne polyurethane adhesive and preparation method thereof Download PDFInfo
- Publication number
- CN102241956A CN102241956A CN2011101805381A CN201110180538A CN102241956A CN 102241956 A CN102241956 A CN 102241956A CN 2011101805381 A CN2011101805381 A CN 2011101805381A CN 201110180538 A CN201110180538 A CN 201110180538A CN 102241956 A CN102241956 A CN 102241956A
- Authority
- CN
- China
- Prior art keywords
- polyurethane adhesive
- reactor
- aqueous polyurethane
- poly
- chainextender
- 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.)
- Pending
Links
Landscapes
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention relates to a poly(propylene carbonate)-based water-borne polyurethane adhesive and a preparation method thereof. The water-borne polyurethane adhesive is prepared from a polymer of carbon dioxide and propylene epoxide, namely poly(propylene carbonate)polyols, chain extender and polyisocyanate; and the water resistance of the water-borne polyurethane adhesive is improved by modifying or mixing a silane coupling agent. The water-borne polyurethane adhesive is obtained by pre-polymerizing (a) and (b), extending the chain through (c) and (d) and modifying and mixing through (e) as follows: (a) 10-30 parts of aromatic diisocyanate, (b) 100 parts of poly(propylene carbonate)polyols, (c) 1-5 parts of chain extender capable of forming hydrophilic groups and having active hydrogen, (d) 0-2 parts of chain extender having active hydrogen and (e) 1-8 parts of silane coupling agent. The poly(propylene carbonate)-based water-borne polyurethane adhesive prepared by the invention has the advantages of good adhesion property to wood, glass and fabric and good hydrolysis resistance.
Description
Technical field
The present invention relates to the preparation method of polytrimethylene carbonate aqueous polyurethane adhesive, belong to field of fine chemical.
Technical background
Polyurethane binder forties is in German commercialization, since over half a century because polyurethane chemistry basis, polyurethane preparation, the continuous progress of utilisation technology and the continuous developing of Application Areas, and polyurethane adhesive is used widely.On polyurethane backbone or side chain, introduce charged ionic group or hydrophilic non-ionic segments, that makes is charged from aggressiveness or hydrophilic segment, it can be in water emulsification or spontaneous being dispersed in obtain aqueous polyurethane in the water, it is medium with water, nontoxic, the pollution-free favor that is subjected to people day by day.
Polyurethane binder can have good binding property to multiple base material (as plastics, metal, timber, glass etc.) because of containing a large amount of polar groups and active reactive group on its matrix resin macromole.Urethane raw and auxiliary agent are of a great variety, thereby institute's synthetic polyurethane binder performance difference is very big, can satisfy the bonding and the service requirements of different substrate materials.Particularly polyurethane binder also has some special characteristics, as fabulous winter hardiness, oil-proofness, wear resistance and flexibility etc.
The isocyanic ester of synthetic water based polyurethane mainly comprises aliphatic isocyanates and aromatic isocyanate, and isocyanic ester constitutes hard section of urethane, and it has very big influence to Property of Waterborne Polyurethane.The isocyanic ester raw material that more representative aqueous polyurethane adopted on the market at present is tolylene diisocyanate (TDI) and isophorone diisocyanate (IPDI), the former is easy to generate xanthochromia by corresponding urethane in synthetic and use, be unfit to do light coating adhesive or transparent printing glue, the urethane over-all properties of latter's correspondence better but its price comparison costliness.Macromolecular polyol is another important source material of synthesis of polyurethane, and wherein its corresponding aqueous polyurethane products with adhesive of polyether glycol relative low price belongs to mediumly, but water resistance is good; Higher relatively its corresponding aqueous polyurethane products with adhesive of polyester polyol price is good, but hydrolytic resistance is poor; Polycarbonate polyol corresponding product over-all properties the best, but its price height.
Oil is a basic material of producing macromolecular polyol at present, and oil belongs to not renewable resource, and its feed rate growing tension and price skyrocket.So develop a kind of employing the technology of the good aqueous polyurethane adhesive of the low macromolecular polyol production performance of oil degree of dependence had very realistic meanings.
Summary of the invention
The purpose of this invention is to provide a kind of have good binding property and water tolerance, polytrimethylene carbonate aqueous polyurethane adhesive that the integrated application performance is good and preparation method thereof.
A kind of polytrimethylene carbonate aqueous polyurethane adhesive that the present invention relates to comprises following component and mass fraction:
100 parts of poly (propylene carbonate) polyvalent alcohols
10～30 parts of vulcabond
0.1～0.2 part of catalyzer
1～5 part of ionic chainextender
0～2 part of nonionic chainextender
1～8 part of silane coupling agent
0.5～4 part of neutralizing agent
100～150 parts of auxiliary agents.
Wherein, described poly (propylene carbonate) polyvalent alcohol is the poly (propylene carbonate) dibasic alcohol;
Described vulcabond comprises tolylene diisocyanate TDI, 4, any one among 4 '-diphenylmethanediisocyanate MDI, isophorone diisocyanate IPDI, hexamethylene diisocyanate HDI, the dicyclohexyl methane diisocyanate HMDI;
Described catalyzer is a dibutyl tin laurate;
Described ionic chainextender comprises dimethylol propionic acid or 1,2-dihydroxyl-3-N-morpholinopropanesulfonic acid;
Described nonionic chainextender comprises 1,4-butyleneglycol, 1, any one in 6-hexylene glycol, quadrol, the diethylenetriamine;
Described silane coupling agent comprises γ-An Bingjisanyiyangjiguiwan KH-550, N-β-ammonia any one among base-γ-aminopropyl methyl dimethoxysilane 602, the 3-glycidyl ether oxygen base propyl trimethoxy silicane KH-560;
Described neutralizing agent comprises triethylamine or ammoniacal liquor;
Described auxiliary agent comprises organic solvent and deionized water, and described organic solvent comprises acetone or N methyl-2-pyrrolidone.
The preparation method of a kind of polytrimethylene carbonate aqueous polyurethane adhesive that the present invention relates to may further comprise the steps:
(1) the poly (propylene carbonate) polyvalent alcohol with metering adds in the reactor, and 100 ℃ vacuumize dehydration 1 hour, are cooled to 40 ℃;
(2) vulcabond, ionic chainextender and the catalyzer with metering adds in the reactor, and in 40～80
oC reacted 1～4 hour down;
(3) the nonionic chainextender with metering adds in the reactor, and reactor is warming up to 70～85
oC reacted 2～5 hours;
(4) reactor is cooled to 5～30
oC adds the silane coupling agent stirring reaction 15-45min that measures in reactor;
(5) reactor is warming up to 40 ℃, adds in the neutralizing agent stirring of measuring in reactor and 15min, adds auxiliary agent and carries out violent stirring emulsification 15-30min;
(6) discharging, packing promptly get product.
The present invention adopts the polymerisate poly (propylene carbonate) polyvalent alcohol of carbonic acid gas and propylene oxide to prepare aqueous polyurethane adhesive, because of the hydrolytic resistance of its corresponding aqueous polyurethane adhesive of facile hydrolysis of poly (propylene carbonate) polyvalent alcohol also relatively poor relatively, the glued membrane of prepared aqueous polyurethane adhesive 1mm thickness places water to soak 24h, and water-intake rate is 25%.The present invention adopts silane coupling agents such as KH-550 or 602 that the polytrimethylene carbonate aqueous polyurethane is carried out modification or pieces together and mix the hydrolytic resistance that application can significantly improve product, prepared aqueous polyurethane adhesive 1mm thickness glued membrane, place water to soak 24h, water-intake rate is 8%, and 1mm thickness glued membrane tensile strength 7.85MPa, glued membrane elongation at break are 17.73%.Adopt the polytrimethylene carbonate aqueous polyurethane adhesive of the present invention's preparation to be applied to the bonding of base materials such as timber, glass and fabric, have good binding property and water tolerance, the integrated application performance is good.
Embodiment
Embodiment 1:
(1) the poly (propylene carbonate) dibasic alcohol with 100g molecular weight 3500 adds in the reactor, and 100 ℃ vacuumize dehydration 1h, are cooled to 40 ℃;
(2) isophorone diisocyanate IPDI, 2.3g dimethylol propionic acid and the 0.2g catalyzer dibutyl tin laurate with 18.5g adds reaction system under protection of nitrogen gas, after stirring, is warming up to 80 ℃, insulation reaction 3h;
(3) in reactor, add 1.03g quadrol chain extension 30min;
(4) reactor is cooled to 30 ℃, adds the γ-An Bingjisanyiyangjiguiwan KH-550 stirring reaction 30min of 6.5g;
(5) reactor is cooled to 40 ℃, and adding 1.74g triethylamine neutralizes and stirs 15min, adds the 130g deionized water and carries out violent stirring emulsification 15min;
(6) discharging, packing promptly get product.
Embodiment 2:
(1) the poly (propylene carbonate) dibasic alcohol with 100g molecular weight 3500 adds in the reactor, and 100 ℃ vacuumize dehydration 1h, are cooled to 40 ℃;
(2) dimethylol propionic acid and the 0.1g catalyzer dibutyl tin laurate with 16.62g tolylene diisocyanate, 3.75g adds in the reactor under protection of nitrogen gas, be warming up to 70 ℃ of insulation reaction 3h, in the increase of reaction process, replenish the viscosity of 20g acetone conditioned reaction system according to system viscosity;
(3) in reactor, add 1 of 1.54g, the 4-chain expansion of succinic acid, reactor is warming up to 80
oC reaction 2 hours;
(4) be cooled to 20
oC, N-β-ammonia of adding 4.98g be base-γ-aminopropyl methyl dimethoxysilane 602 reaction 30min;
(5) reactor is warming up to 40 ℃, and adding 2.83g triethylamine neutralizes and stirs 15min in reactor, adds the 130g deionized water and carries out violent stirring emulsification 15min;
(6) vacuum distilling removes organic solvent, and discharging, packing promptly get product.
Embodiment 3:
(1) the poly (propylene carbonate) dibasic alcohol with 100g molecular weight 3500 adds in the reactor, and 100 ℃ vacuumize dehydration 1h, are cooled to 40 ℃;
(2) with 4 of 24.88g, 1 of 4 '-diphenylmethanediisocyanate MDI, 4.02g, 2-dihydroxyl-3-N-morpholinopropanesulfonic acid and 0.15g dibutyl tin laurate add in the reactor under protection of nitrogen gas, be warming up to 70 ℃ of insulation 3h, in the increase of reaction process, replenish the viscosity of the N methyl-2-pyrrolidone conditioned reaction system of 30g according to system viscosity;
(3) in reactor, add 1 of 2.7g, the 6-hexylene glycol, reactor is warming up to 80
oC reaction 2 hours;
(4) be cooled to 5～30
oC, the 3-glycidyl ether oxygen base propyl trimethoxy silicane KH-560 that adds 3g reacts 30min;
(5) reactor is warming up to 40 ℃, neutralizes to reactor adding 3.03g ammoniacal liquor and stirs 15min, adds the 120g deionized water and carries out violent stirring emulsification 15min;
(6) vacuum distilling removes organic solvent, and discharging, packing promptly get product.
Embodiment 4:
(1) the poly (propylene carbonate) dibasic alcohol with 100g molecular weight 2000 adds in the reactor, and 100 ℃ vacuumize dehydration 1h, are cooled to 40 ℃;
(2) in reactor, add 1 of 27.5g, the dimethylol propionic acid of hexamethylene-diisocyanate HDI, 4.1g and 0.1g dibutyl tin laurate, be warming up to 70 ℃ of insulation 3h,, replenish the viscosity of 10g acetone conditioned reaction system in the increase of reaction process according to system viscosity;
(3) add 2.6g diethylenetriamine chain extension in reactor, reactor is warming up to 80
oC reaction 2 hours;
(4) be cooled to 25
oC, the γ-An Bingjisanyiyangjiguiwan KH-550 that adds 7g reacts 30min;
(5) reactor is warming up to 40 ℃, neutralizes at reactor adding 3.08g triethylamine and stirs 15min, adds the 100g deionized water and carries out violent stirring emulsification 15min;
(6) vacuum distilling removes organic solvent, and discharging, packing promptly get product.
Embodiment 5:
(1) the poly (propylene carbonate) dibasic alcohol with 100g molecular weight 3500 adds in the reactor, and 100 ℃ vacuumize dehydration 1h, are cooled to 40 ℃;
(2) dimethylol propionic acid and the 0.2g dibutyl tin laurate with 30g tolylene diisocyanate, 5g adds in the reactor under protection of nitrogen gas, be warming up to 80 ℃ of insulation reaction 4h, in the increase of reaction process, replenish the viscosity of 20g acetone conditioned reaction system according to system viscosity;
(3) in reactor, add 1 of 2g, the 4-chain expansion of succinic acid, reactor is warming up to 85
oC reaction 5 hours;
(4) be cooled to 30
oC, the γ-An Bingjisanyiyangjiguiwan KH-550 that adds 8g reacts 45min;
(5) reactor is warming up to 40 ℃, and adding 4g triethylamine neutralizes and stirs 15min in reactor, adds the 130g deionized water and carries out violent stirring emulsification 30min;
(6) vacuum distilling removes organic solvent, and discharging, packing promptly get product.
Embodiment 6:
(1) the poly (propylene carbonate) dibasic alcohol with 100g molecular weight 2000 adds in the reactor, and 100 ℃ vacuumize dehydration 1h, are cooled to 40 ℃;
(2) with 4 of 10g, 1 of 4 '-diphenylmethanediisocyanate MDI, 1g, 2-dihydroxyl-3-N-morpholinopropanesulfonic acid and 0.1g catalyzer dibutyl tin laurate add in the reactor under protection of nitrogen gas, be warming up to 40 ℃ of insulation reaction 1h, in the increase of reaction process, replenish the viscosity of 10g N methyl-2-pyrrolidone conditioned reaction system according to system viscosity;
(3) the quadrol chain extension of adding 0.5g in reactor, reactor is warming up to 70
oC reaction 2 hours;
(4) be cooled to 5
oC, N-β-ammonia of adding 1g be base-γ-aminopropyl methyl dimethoxysilane 602 reaction 15min;
(5) reactor is warming up to 40 ℃, and adding 0.5g ammoniacal liquor neutralizes and stirs 15min in reactor, adds the 90g deionized water and carries out violent stirring emulsification 15min;
(6) vacuum distilling removes organic solvent, and discharging, packing promptly get product.
Claims (9)
1. polytrimethylene carbonate aqueous polyurethane adhesive, this tackiness agent comprises following component and mass fraction:
100 parts of poly (propylene carbonate) polyvalent alcohols
10～30 parts of vulcabond
0.1～0.2 part of catalyzer
1～5 part of ionic chainextender
0～2 part of nonionic chainextender
1～8 part of silane coupling agent
0.5～4 part of neutralizing agent
100～150 parts of auxiliary agents.
2. a kind of polytrimethylene carbonate aqueous polyurethane adhesive according to claim 1 is characterized in that: described poly (propylene carbonate) polyvalent alcohol is the poly (propylene carbonate) dibasic alcohol.
3. a kind of polytrimethylene carbonate aqueous polyurethane adhesive according to claim 1, it is characterized in that: described vulcabond comprises tolylene diisocyanate TDI, 4, among 4 '-diphenylmethanediisocyanate MDI, isophorone diisocyanate IPDI, hexamethylene diisocyanate HDI, the dicyclohexyl methane diisocyanate HMDI any one.
4. a kind of polytrimethylene carbonate aqueous polyurethane adhesive according to claim 1 is characterized in that: described catalyzer is a dibutyl tin laurate.
5. a kind of polytrimethylene carbonate aqueous polyurethane adhesive according to claim 1, it is characterized in that: described chainextender comprises nonionic chainextender and ionic chainextender, described ionic chainextender comprises dimethylol propionic acid or 1,2-dihydroxyl-3-N-morpholinopropanesulfonic acid; Described nonionic chainextender comprises 1,4-butyleneglycol, 1, any one in 6-hexylene glycol, quadrol, the diethylenetriamine.
6. a kind of polytrimethylene carbonate aqueous polyurethane adhesive according to claim 1 is characterized in that: described silane coupling agent comprises γ-An Bingjisanyiyangjiguiwan KH-550, N-β-ammonia any one among base-γ-aminopropyl methyl dimethoxysilane 602, the 3-glycidyl ether oxygen base propyl trimethoxy silicane KH-560.
7. a kind of polytrimethylene carbonate aqueous polyurethane adhesive according to claim 1, it is characterized in that: described neutralizing agent comprises triethylamine or ammoniacal liquor.
8. a kind of polytrimethylene carbonate aqueous polyurethane adhesive according to claim 1, it is characterized in that: described auxiliary agent comprises organic solvent and deionized water, described organic solvent comprises acetone or N methyl-2-pyrrolidone.
9. the preparation method of a polytrimethylene carbonate aqueous polyurethane adhesive may further comprise the steps:
(1) the poly (propylene carbonate) polyvalent alcohol with metering adds in the reactor, and 100 ℃ vacuumize dehydration 1 hour, are cooled to 40 ℃;
(2) vulcabond, ionic chainextender and the catalyzer with metering adds in the reactor, and reacts 1～4 hour down in 40～80oC;
(3) the nonionic chainextender with metering adds in the reactor, and reactor is warming up to 70～85oC, reacts 2～5 hours;
(4) reactor is cooled to 5～30oC, adds the silane coupling agent stirring reaction 15-45min of metering in reactor;
(5) reactor is warming up to 40 ℃, adds in the neutralizing agent stirring of measuring in reactor and 15min, adds auxiliary agent and carries out violent stirring emulsification 15-30min;
(6) discharging, packing promptly get product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101805381A CN102241956A (en) | 2011-06-30 | 2011-06-30 | Poly(propylene carbonate)-based water-borne polyurethane adhesive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101805381A CN102241956A (en) | 2011-06-30 | 2011-06-30 | Poly(propylene carbonate)-based water-borne polyurethane adhesive and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102241956A true CN102241956A (en) | 2011-11-16 |
Family
ID=44960209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101805381A Pending CN102241956A (en) | 2011-06-30 | 2011-06-30 | Poly(propylene carbonate)-based water-borne polyurethane adhesive and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102241956A (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103059258A (en) * | 2012-12-07 | 2013-04-24 | 青岛文创科技有限公司 | Organosilicon modified aqueous polyurethane emulsion |
| CN103147306A (en) * | 2013-01-30 | 2013-06-12 | 西安工程大学 | Textile anti-pilling polyurethane finishing agent and preparation method thereof |
| CN103408715A (en) * | 2013-08-09 | 2013-11-27 | 中科院广州化学有限公司 | Internal crosslinking polypropylene carbonate waterborne polyurethane emulsion and preparation method and application thereof |
| CN105504215A (en) * | 2015-12-28 | 2016-04-20 | 广东工业大学 | Yellowing-resistant aqueous polyurethane emulsion and preparation method thereof |
| CN106674475A (en) * | 2017-01-17 | 2017-05-17 | 广东工业大学 | Polyurethane aqueous material and preparation method and application thereof |
| CN106832882A (en) * | 2017-01-18 | 2017-06-13 | 广东达志环保科技股份有限公司 | A kind of enhanced water resistance, aqueous polyurethane emulsion of high adhesion force and preparation method thereof |
| CN107118730A (en) * | 2017-05-27 | 2017-09-01 | 江苏省江南新型复合研磨材料及制品工程技术研究中心有限公司 | A kind of blinds abrasive disk adhesive and preparation method thereof |
| CN107417871A (en) * | 2017-07-14 | 2017-12-01 | 合肥思敬齐化工材料有限责任公司 | Waterborne polyurethane glass Protection glue and preparation method thereof |
| CN107488251A (en) * | 2017-08-01 | 2017-12-19 | 广东工业大学 | A kind of aqueous polyurethane Heat Conduction Material and preparation method thereof |
| CN107922604A (en) * | 2015-08-04 | 2018-04-17 | 雷普索尔有限公司 | Novel formulation for contact adhesive |
| CN110791246A (en) * | 2012-04-16 | 2020-02-14 | 沙特阿美技术公司 | Adhesive composition and method |
| CN111138623A (en) * | 2020-01-10 | 2020-05-12 | 浙江大学 | Organic silicon modified polyether-polycarbonate waterborne polyurethane and preparation method thereof |
| CN111995730A (en) * | 2020-09-03 | 2020-11-27 | 东来涂料技术（上海）股份有限公司 | Waterborne polyurethane, waterborne polyurethane coating and preparation method thereof |
| CN112048274A (en) * | 2020-07-29 | 2020-12-08 | 东风汽车集团有限公司 | Bi-component flame-retardant polyurethane adhesive for bonding and sealing power battery and preparation method thereof |
| CN112358843A (en) * | 2020-09-29 | 2021-02-12 | 九天起宏(江苏)检测有限公司 | Waterproof polyurethane resin adhesive and preparation method thereof |
| CN115449281A (en) * | 2022-09-13 | 2022-12-09 | 苏州贝彩纳米科技有限公司 | Waterborne polyurethane coating and preparation method thereof |
| CN115677961A (en) * | 2022-07-20 | 2023-02-03 | 江苏休伦新材料有限公司 | Bottom coating resin for microfiber leather and preparation method thereof |
| CN118240170A (en) * | 2024-04-16 | 2024-06-25 | 北京中科纳通电子技术有限公司 | Organosilicon modified polyurethane solution and preparation method and application thereof |
-
2011
- 2011-06-30 CN CN2011101805381A patent/CN102241956A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 袁才登: "《乳液胶黏剂》", 31 January 2004, article "绪论", pages: 1 * |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110791246B (en) * | 2012-04-16 | 2022-04-22 | 沙特阿美技术公司 | Adhesive composition and method |
| CN110791246A (en) * | 2012-04-16 | 2020-02-14 | 沙特阿美技术公司 | Adhesive composition and method |
| CN103059258A (en) * | 2012-12-07 | 2013-04-24 | 青岛文创科技有限公司 | Organosilicon modified aqueous polyurethane emulsion |
| CN103147306A (en) * | 2013-01-30 | 2013-06-12 | 西安工程大学 | Textile anti-pilling polyurethane finishing agent and preparation method thereof |
| CN103147306B (en) * | 2013-01-30 | 2015-01-07 | 西安工程大学 | Textile anti-pilling polyurethane finishing agent and preparation method thereof |
| CN103408715A (en) * | 2013-08-09 | 2013-11-27 | 中科院广州化学有限公司 | Internal crosslinking polypropylene carbonate waterborne polyurethane emulsion and preparation method and application thereof |
| CN107922604B (en) * | 2015-08-04 | 2020-08-28 | 雷普索尔有限公司 | Novel formulations for pressure sensitive adhesives |
| CN107922604A (en) * | 2015-08-04 | 2018-04-17 | 雷普索尔有限公司 | Novel formulation for contact adhesive |
| CN105504215A (en) * | 2015-12-28 | 2016-04-20 | 广东工业大学 | Yellowing-resistant aqueous polyurethane emulsion and preparation method thereof |
| CN105504215B (en) * | 2015-12-28 | 2018-08-03 | 广东工业大学 | A kind of aqueous polyurethane emulsion of color inhibition and preparation method thereof |
| CN106674475B (en) * | 2017-01-17 | 2019-06-18 | 广东工业大学 | A kind of polyurethane aqueous material, preparation method and its application |
| CN106674475A (en) * | 2017-01-17 | 2017-05-17 | 广东工业大学 | Polyurethane aqueous material and preparation method and application thereof |
| CN106832882A (en) * | 2017-01-18 | 2017-06-13 | 广东达志环保科技股份有限公司 | A kind of enhanced water resistance, aqueous polyurethane emulsion of high adhesion force and preparation method thereof |
| CN107118730A (en) * | 2017-05-27 | 2017-09-01 | 江苏省江南新型复合研磨材料及制品工程技术研究中心有限公司 | A kind of blinds abrasive disk adhesive and preparation method thereof |
| CN107417871A (en) * | 2017-07-14 | 2017-12-01 | 合肥思敬齐化工材料有限责任公司 | Waterborne polyurethane glass Protection glue and preparation method thereof |
| CN107488251A (en) * | 2017-08-01 | 2017-12-19 | 广东工业大学 | A kind of aqueous polyurethane Heat Conduction Material and preparation method thereof |
| CN111138623A (en) * | 2020-01-10 | 2020-05-12 | 浙江大学 | Organic silicon modified polyether-polycarbonate waterborne polyurethane and preparation method thereof |
| CN111138623B (en) * | 2020-01-10 | 2021-02-19 | 浙江大学 | Organic silicon modified polyether-polycarbonate waterborne polyurethane and preparation method thereof |
| CN112048274A (en) * | 2020-07-29 | 2020-12-08 | 东风汽车集团有限公司 | Bi-component flame-retardant polyurethane adhesive for bonding and sealing power battery and preparation method thereof |
| CN111995730A (en) * | 2020-09-03 | 2020-11-27 | 东来涂料技术（上海）股份有限公司 | Waterborne polyurethane, waterborne polyurethane coating and preparation method thereof |
| CN112358843A (en) * | 2020-09-29 | 2021-02-12 | 九天起宏(江苏)检测有限公司 | Waterproof polyurethane resin adhesive and preparation method thereof |
| CN115677961A (en) * | 2022-07-20 | 2023-02-03 | 江苏休伦新材料有限公司 | Bottom coating resin for microfiber leather and preparation method thereof |
| CN115449281A (en) * | 2022-09-13 | 2022-12-09 | 苏州贝彩纳米科技有限公司 | Waterborne polyurethane coating and preparation method thereof |
| CN118240170A (en) * | 2024-04-16 | 2024-06-25 | 北京中科纳通电子技术有限公司 | Organosilicon modified polyurethane solution and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102241956A (en) | Poly(propylene carbonate)-based water-borne polyurethane adhesive and preparation method thereof | |
| CN106496485B (en) | A kind of epoxy-modified yin/non-ionic water polyurethane resin and preparation method thereof | |
| CN101962524B (en) | Waterborne polyurethane adhesive and preparation method thereof | |
| CN101054435B (en) | Wet-type polyamine resin with hydrolyzation resistance and high peeling strength and preparing method thereof | |
| CN101235129B (en) | Method for preparing polybutadiene-base water polyurethane and modified emulsion thereof | |
| CN101624438B (en) | Polyurethaneurea solutions | |
| CN101824299B (en) | Method for preparing single-component high-solid content water-based polyurethane adhesive | |
| CN103408715A (en) | Internal crosslinking polypropylene carbonate waterborne polyurethane emulsion and preparation method and application thereof | |
| CN104448183A (en) | Plant oil-based polyurethane composite material and preparation method thereof | |
| CN102010494B (en) | Light-cured resin with low water absorption and preparation method thereof | |
| CN103450438A (en) | Waterborne polyurethane resin with high solid content and synthesis method thereof | |
| CN101020738A (en) | Water-base polyurethane material and its prepn process and application | |
| CN104194603B (en) | Polycarbonate polyurethane water-proof paint | |
| CN107227138A (en) | A kind of leather Aqueous Adhesives and preparation method thereof | |
| CN110818873A (en) | Waterborne polyurethane resin and preparation method and application thereof | |
| EP4011934A1 (en) | Polyether polycarbonate diol and method for producing same | |
| CN101328248A (en) | Non-solvent preparation of polyurethane-acrylic ester emulsion for leather | |
| CN103435771A (en) | Cationic type polypropylene carbonate waterborne polyurethane emulsion as well as preparation method and application | |
| CN103820016B (en) | A kind of polycarbonate polyurethane priming paint and preparation method thereof | |
| CN107698756A (en) | A kind of silane-modified line style polyurea adhesive and its preparation and application | |
| US20230407025A1 (en) | Self-healing polyurethane (pu) material, double-layer self-healing pu film, and preparation method and use thereof | |
| CN104017531A (en) | Hydrolysis-resistant photovoltaic back sheet adhesive and preparation method thereof | |
| CN104327696A (en) | Polycarbonate polyol type spraying polyurea elastomer coating and preparation method | |
| CN102030980B (en) | Method for preparing natural fiber/anion water-based sealing polyurethane composite material | |
| EP3795621A1 (en) | Two-component curable composition for forming thermoplastic matrix resin, matrix resin for fiber-reinforced composite material, and fiber-reinforced composite material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20111116 |