CN107793547A - A kind of silane coupler modifying aqueous polyurethan plastics and preparation method thereof - Google Patents

A kind of silane coupler modifying aqueous polyurethan plastics and preparation method thereof Download PDF

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Publication number
CN107793547A
CN107793547A CN201610755367.3A CN201610755367A CN107793547A CN 107793547 A CN107793547 A CN 107793547A CN 201610755367 A CN201610755367 A CN 201610755367A CN 107793547 A CN107793547 A CN 107793547A
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parts
silane coupler
plastics
modifying aqueous
polyurethan
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刘春峰
王俊
程徐林
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Shenyang Shunfeng New Materials Co Ltd
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Shenyang Shunfeng New Materials Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
    • C08G18/348—Hydroxycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
    • C08G18/3855—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
    • C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6614—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38
    • C08G18/6618—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6625—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/34
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds
    • C08K5/544—Silicon-containing compounds containing nitrogen

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention belongs to polyurethane plastics technical field, is related to a kind of silane coupler modifying aqueous polyurethan plastics and preparation method thereof.Silane coupler modifying aqueous polyurethan plastics of the present invention, are prepared by the raw material of following parts by weight：60 80 parts of 40 50 parts of polytetrahydrofuran diol, 40 50 parts of polyethers, 30 40 parts of polyadipate second diester, 25 45 parts of IPDI, 35 parts of hydrophilic chain extender, 13 parts of waterborne organic silicon defoamer, 13 parts of emulsifying agent, 35 parts of heat stabilizer, 0.5 1.5 parts of lubricant, 13 parts of silane coupler, 0.2 1.0 parts of acetone, 12 parts of triethylamine, 12 parts of butanediol and deionized water.The advantages that there is a kind of silane coupler modifying aqueous polyurethan plastics of the invention solid content to reach more than 54%, and excellent in mechanical performance, emulsion viscosity are low, water resistance and stability are good.

Description

A kind of silane coupler modifying aqueous polyurethan plastics and preparation method thereof
Technical field
The invention belongs to polyurethane plastics technical field, be related to a kind of silane coupler modifying aqueous polyurethan plastics and its Preparation method.
Background technology
Aqueous polyurethane has non-ignitable, nontoxic, environmentally friendly, safe, good film-forming property, gluing jail, coating as decentralized medium using water The advantages that acid and alkali-resistance, cold-resistant, resistance to flexion, good permeability, obtained extensively in fields such as leather finish, coating, adhesive and ink General application.Domestic aqueous polyurethane solid content is mainly 30% or so, and is progressively substituting solvent borne polyurethane.Commercial Application The product of middle solid content more than 50% relies primarily on the trans-corporations such as Baeyer, Henkel.Therefore, a kind of domestic solid content of development exists More than 50% modified aqueous polyurethane plastics are very important.
The content of the invention
The problem of existing for prior art, it is an object of the invention to provide a kind of silane coupler modified water-based poly- ammonia Ester plastics.There is a kind of silane coupler modifying aqueous polyurethan plastics of the present invention solid content to reach more than 54%, and mechanical property Superior, the advantages that emulsion viscosity is low, water resistance and stability are good.
In order to solve the above technical problems, the technical solution adopted by the present invention is.
A kind of silane coupler modifying aqueous polyurethan plastics, are prepared by the raw material of following parts by weight：Poly- tetrahydrochysene Furans glycol 40-50 parts, polyethers 40-50 parts, polyadipate second diester 30-40 parts, IPDI 25-45 parts, Hydrophilic chain extender 3-5 parts, waterborne organic silicon defoamer 1-3 parts, emulsifying agent 1-3 parts, heat stabilizer 3-5 parts, lubricant 0.5- 1.5 parts, silane coupler 1-3 parts, acetone 0.2-1.0 parts, triethylamine 1-2 parts, butanediol 1-2 parts and deionized water 60-80 Part.
A preferred embodiment of the present invention, it is prepared by the raw material of following parts by weight：45 parts of polytetrahydrofuran diol, 45 parts of polyethers, 35 parts of polyadipate second diester, 30 parts of IPDI, 4 parts of hydrophilic chain extender, waterborne organic silicon 2 parts of defoamer, 2 parts of emulsifying agent, 4 parts of heat stabilizer, 0.8 part of lubricant, 2 parts of silane coupler, 0.6 part of acetone, triethylamine 1 70 parts of part, 1 part of butanediol and deionized water.
The hydrophilic chain extender is dihydromethyl propionic acid and diaminobutyl sodium sulfonate, by ratio of weight and the number of copies, dihydroxy first Base propionic acid：Diaminobutyl sodium sulfonate=1-2:2-4.
The silane coupler is KH550.
The emulsifying agent is NPE.
The heat stabilizer is dibutyl tin dilaurate.
The lubricant is lauryl sodium sulfate.
A kind of preparation method of silane coupler modifying aqueous polyurethan plastics, step are as follows.
（1）Weigh in parts by weight：Polytetrahydrofuran diol, polyethers, polyadipate second diester, isophorone diisocyanate Ester, hydrophilic chain extender, waterborne organic silicon defoamer, emulsifying agent, heat stabilizer, lubricant, silane coupled, acetone, triethylamine, Butanediol and deionized water；
（2）Mixed dehydration：By polytetrahydrofuran diol, polyadipate second diester, dihydromethyl propionic acid, polyethers are added in reactor Mix, 90-100 DEG C of temperature, speed of agitator 100-200r/min, mixing time 20-30min；Then it is 1- in vacuum Dehydration 1-2h is vacuumized under 2MPa；
（3）Neutralize：60-70 DEG C is down to, adds IPDI, butanediol and heat stabilizer, reacts 10-20min, 40-50 DEG C is cooled to, adding acetone reduces viscosity, adds triethylamine and neutralizes into salt.
（4）Emulsification：To above-mentioned（3）Mixed liquor in add silane coupler, be slowly added to be dissolved in after question response is complete Diaminobutyl sodium sulfonate, emulsifying agent and lubricant in deionized water, emulsify at a high speed, then waterborne organic silicon defoamer be added dropwise, It is evaporated under reduced pressure and removes acetone, is dried in vacuo at 40 DEG C.Get product.
Beneficial effects of the present invention：The present invention uses silane coupler to be successfully accessed aqueous polyurethane in a manner of chemical bond System is modified, excellent in mechanical performance of the invention and emulsion viscosity is low, water resistance and stability are good, and solid content reaches 54% More than.
Embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described with reference to embodiment, still It should be appreciated that these descriptions are simply further explanation the features and advantages of the present invention, rather than to the claims in the present invention Limitation.
Embodiment 1.
（1）Weigh in parts by weight：42 parts of polytetrahydrofuran diol, 49 parts of polyethers, 31 parts of polyadipate second diester, different Buddhist 25 parts of that ketone diisocyanate, 2 parts of dihydromethyl propionic acid, 3 parts of diaminobutyl sodium sulfonate, 2 parts of waterborne organic silicon defoamer, breast 2 parts of agent NPE, 3 parts of heat stabilizer dibutyl tin dilaurate, lubricant lauryl sodium sulfate 1.2 Part, 2 parts of Silane coupling agent KH550,0.6 part of acetone, 1 part of triethylamine, 1 part of butanediol and 60 parts of deionized water.
（2）Mixed dehydration：By polytetrahydrofuran diol, polyadipate second diester, dihydromethyl propionic acid, polyethers add reaction Mixed in kettle, 90-100 DEG C of temperature, speed of agitator 100-200r/min, mixing time 20-30min；Then in vacuum To vacuumize dehydration 1-2h under 1-2MPa.
（3）Neutralize：60-70 DEG C is down to, adds IPDI, butanediol and heat stabilizer, reacts 10- 20min, 40-50 DEG C is cooled to, adding acetone reduces viscosity, adds triethylamine and neutralizes into salt.
（4）Emulsification：To above-mentioned（3）Mixed liquor in add silane coupler, be slowly added to be dissolved in after question response is complete Diaminobutyl sodium sulfonate, emulsifying agent and lubricant in deionized water, emulsify at a high speed, then waterborne organic silicon defoamer be added dropwise, It is evaporated under reduced pressure and removes acetone, is dried in vacuo at 40 DEG C.Get product.
Embodiment 2.
（1）Weigh in parts by weight：45 parts of polytetrahydrofuran diol, 45 parts of polyethers, 35 parts of polyadipate second diester, different Buddhist 30 parts of that ketone diisocyanate, 1 part of dihydromethyl propionic acid, 3 parts of diaminobutyl sodium sulfonate, 2 parts of waterborne organic silicon defoamer, breast 2 parts of agent NPE, 4 parts of heat stabilizer dibutyl tin dilaurate, lubricant lauryl sodium sulfate 0.8 Part, 2 parts of Silane coupling agent KH550,0.6 part of acetone, 1 part of triethylamine, 1 part of butanediol and 70 parts of deionized water.
（2）Mixed dehydration：By polytetrahydrofuran diol, polyadipate second diester, dihydromethyl propionic acid, polyethers add reaction Mixed in kettle, 90-100 DEG C of temperature, speed of agitator 100-200r/min, mixing time 20-30min；Then in vacuum To vacuumize dehydration 1-2h under 1-2MPa.
（3）Neutralize：60-70 DEG C is down to, adds IPDI, butanediol and heat stabilizer, reacts 10- 20min, 40-50 DEG C is cooled to, adding acetone reduces viscosity, adds triethylamine and neutralizes into salt.
（4）Emulsification：To above-mentioned（3）Mixed liquor in add silane coupler, be slowly added to be dissolved in after question response is complete Diaminobutyl sodium sulfonate, emulsifying agent and lubricant in deionized water, emulsify at a high speed, then waterborne organic silicon defoamer be added dropwise, It is evaporated under reduced pressure and removes acetone, is dried in vacuo at 40 DEG C.Get product.
Embodiment 3.
（1）Weigh in parts by weight：48 parts of polytetrahydrofuran diol, 42 parts of polyethers, 38 parts of polyadipate second diester, different Buddhist 44 parts of that ketone diisocyanate, 1 part of dihydromethyl propionic acid, 2 parts of diaminobutyl sodium sulfonate, 2 parts of waterborne organic silicon defoamer, breast 2 parts of agent NPE, 4 parts of heat stabilizer dibutyl tin dilaurate, 1 part of lubricant lauryl sodium sulfate, 80 parts of 2 parts of Silane coupling agent KH550,0.8 part of acetone, 1 part of triethylamine, 1 part of butanediol and deionized water.
（2）Mixed dehydration：By polytetrahydrofuran diol, polyadipate second diester, dihydromethyl propionic acid, polyethers add reaction Mixed in kettle, 90-100 DEG C of temperature, speed of agitator 100-200r/min, mixing time 20-30min；Then in vacuum To vacuumize dehydration 1-2h under 1-2MPa.
（3）Neutralize：60-70 DEG C is down to, adds IPDI, butanediol and heat stabilizer, reacts 10- 20min, 40-50 DEG C is cooled to, adding acetone reduces viscosity, adds triethylamine and neutralizes into salt.
（4）Emulsification：To above-mentioned（3）Mixed liquor in add silane coupler, be slowly added to be dissolved in after question response is complete Diaminobutyl sodium sulfonate, emulsifying agent and lubricant in deionized water, emulsify at a high speed, then waterborne organic silicon defoamer be added dropwise, It is evaporated under reduced pressure and removes acetone, is dried in vacuo at 40 DEG C.Get product.
First, performance detection.
The viscosity of the present invention is tested according to GB/T 2794-1995；The freeze-thaw stability of the present invention is according to GB/T 9268-2008 are tested；The mechanical property of the present invention is tested according to GB/T1040-2006, rate of extension 200 mm/min。
1st, performance detection is carried out to silane coupler modifying aqueous polyurethan plastics prepared by embodiment 1-3, as a result such as table 1。
The silane coupler modifying aqueous polyurethan plastics physical and chemical index of table 1.
Project/numbering Embodiment 1 Embodiment 2 Implement 3 TaiWan, China friend moral 380
Solid content（%） 54 52 53 50
Water absorption rate（%） 7.8 7.7 7.9 8.6
Viscosity（mPa·s） 79 78 77 129
Contact angle（ º） 73 72 73 49
Tensile strength（MPa） 5.54 5.35 5.46 4.65
Tension failure strains（%） 1394.41 1388.21 1386.56 1273.28
As shown in Table 1, compared with TaiWan, China friend moral 380, the present invention has higher indices data of the invention Solid content, tensile strength, tension failure strain, contact angle；Relatively low water absorption rate, viscosity；Illustrate that the mechanical property of the present invention is excellent More and emulsion viscosity is low, water resistance and stability are good.
It is understood that above with respect to the specific descriptions of the present invention, it is merely to illustrate the present invention and is not limited to this Technical scheme described by inventive embodiments, it will be understood by those within the art that, still the present invention can be carried out Modification or equivalent substitution, to reach identical technique effect；As long as meet use needs, all protection scope of the present invention it It is interior.

Claims (8)

  1. A kind of 1. silane coupler modifying aqueous polyurethan plastics, it is characterised in that：By the raw material preparation of following parts by weight Into：Polytetrahydrofuran diol 40-50 parts, polyethers 40-50 parts, polyadipate second diester 30-40 parts, IPDI 25-45 parts, hydrophilic chain extender 3-5 parts, waterborne organic silicon defoamer 1-3 parts, emulsifying agent 1-3 parts, heat stabilizer 3-5 parts, profit Lubrication prescription 0.5-1.5 parts, silane coupler 1-3 parts, acetone 0.2-1.0 parts, triethylamine 1-2 parts, butanediol 1-2 parts and deionization Water 60-80 parts.
  2. 2. silane coupler modifying aqueous polyurethan plastics according to claim 1, it is characterised in that：By following parts by weight Several raw materials are prepared：45 parts of polytetrahydrofuran diol, 45 parts of polyethers, 35 parts of polyadipate second diester, isophorone two are different 30 parts of cyanate, 4 parts of hydrophilic chain extender, 2 parts of waterborne organic silicon defoamer, 2 parts of emulsifying agent, 4 parts of heat stabilizer, lubricant 70 parts of 0.8 part, 2 parts of silane coupler, 0.6 part of acetone, 1 part of triethylamine, 1 part of butanediol and deionized water.
  3. 3. silane coupler modifying aqueous polyurethan plastics according to claim 1, it is characterised in that：The hydrophily expands Chain agent is dihydromethyl propionic acid and diaminobutyl sodium sulfonate, by ratio of weight and the number of copies, dihydromethyl propionic acid：Diaminobutyl sulfonic acid Sodium=1-2:2-4.
  4. 4. silane coupler modifying aqueous polyurethan plastics according to claim 1, it is characterised in that：It is described silane coupled Agent is KH550.
  5. 5. silane coupler modifying aqueous polyurethan plastics according to claim 1, it is characterised in that：The emulsifying agent is NPE.
  6. 6. silane coupler modifying aqueous polyurethan plastics according to claim 1, it is characterised in that：The heat stabilizer For dibutyl tin dilaurate.
  7. 7. silane coupler modifying aqueous polyurethan plastics according to claim 1, it is characterised in that：The lubricant is Lauryl sodium sulfate.
  8. 8. a kind of preparation method of any silane coupler modifying aqueous polyurethan plastics according to claim 1-8, its It is characterised by：Step is as follows：
    （1）Weigh in parts by weight：Polytetrahydrofuran diol, polyethers, polyadipate second diester, IPDI, Hydrophilic chain extender, waterborne organic silicon defoamer, emulsifying agent, heat stabilizer, lubricant, silane coupled, acetone, triethylamine, fourth Glycol and deionized water；
    （2）Mixed dehydration：By polytetrahydrofuran diol, polyadipate second diester, dihydromethyl propionic acid, polyethers are added in reactor Mix, 90-100 DEG C of temperature, speed of agitator 100-200r/min, mixing time 20-30min；Then it is 1- in vacuum Dehydration 1-2h is vacuumized under 2MPa；
    （3）Neutralize：60-70 DEG C is down to, adds IPDI, butanediol and heat stabilizer, reacts 10-20min, 40-50 DEG C is cooled to, adding acetone reduces viscosity, adds triethylamine and neutralizes into salt；
    （4）Emulsification：To above-mentioned（3）Mixed liquor in add silane coupler, be slowly added to be dissolved in after question response is complete from Diaminobutyl sodium sulfonate, emulsifying agent and lubricant in sub- water, emulsify at a high speed, then waterborne organic silicon defoamer is added dropwise, depressurize Acetone is distilled off, is dried in vacuo, gets product at 30-40 DEG C.
CN201610755367.3A 2016-08-30 2016-08-30 A kind of silane coupler modifying aqueous polyurethan plastics and preparation method thereof Pending CN107793547A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111154356A (en) * 2020-01-17 2020-05-15 谭建军 Polyurethane modified heat-insulating coating and preparation method thereof
CN112062923A (en) * 2020-08-21 2020-12-11 温州国仕邦高分子材料有限公司 Waterborne polyurethane-urea dispersion for nail polish and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111154356A (en) * 2020-01-17 2020-05-15 谭建军 Polyurethane modified heat-insulating coating and preparation method thereof
CN111154356B (en) * 2020-01-17 2021-07-30 广元瑞峰新材料有限公司 Polyurethane modified heat-insulating coating and preparation method thereof
CN112062923A (en) * 2020-08-21 2020-12-11 温州国仕邦高分子材料有限公司 Waterborne polyurethane-urea dispersion for nail polish and preparation method thereof
CN112062923B (en) * 2020-08-21 2022-04-15 温州国仕邦高分子材料有限公司 Waterborne polyurethane-urea dispersion for nail polish and preparation method thereof

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Application publication date: 20180313