CN110396290A - A kind of thermal fusing powder modified aqueous polyurethane resin and preparation method thereof - Google Patents
A kind of thermal fusing powder modified aqueous polyurethane resin and preparation method thereof Download PDFInfo
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- CN110396290A CN110396290A CN201910656183.5A CN201910656183A CN110396290A CN 110396290 A CN110396290 A CN 110396290A CN 201910656183 A CN201910656183 A CN 201910656183A CN 110396290 A CN110396290 A CN 110396290A
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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
- C08G18/08—Processes
- C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
- C08G18/0819—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups
- C08G18/0823—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups containing carboxylate salt groups or groups forming them
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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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
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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
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
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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
- C08G18/40—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
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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
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
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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
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
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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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/06—Polyurethanes from polyesters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/08—Polyurethanes from polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a kind of thermal fusing powder modified aqueous polyurethane resins, are made of 35-50 parts of deionized water, 30-40 parts of diisocyanate, 80-100 parts of oligomer polyol, 5-7 parts of small molecule chain extender, 0.2-3 parts of hydrophilic chain extender, 5-30 parts of thermal fusing powder, 0.05-0.5 parts of salt forming agent and 0.1-0.4 parts of catalyst.The thermal fusing powder modified aqueous polyurethane resin washing fastness prepared according to this formula is excellent, can be used for trans-printing industry.
Description
Technical field
The present invention relates to printing material technical field, specifically a kind of thermal fusing powder modified aqueous polyurethane resin and its preparation
Method.
Background technique
Caloric transfer printing technology be by way of heating by transfer film various patterns melt and trans-printing on substrate.
It include carrier layer, release layer, protective layer, ink layer, adhesive layer on heat transfer film, each interlayer that applies is closely connected, influences each other；
Wherein, adhesive layer is with regard to that must have high adhesion strength, water-wash resistance, boiling resistance and chemical-resistant.
Currently, water-base resin technology in the market is still immature, it is various standard aqueous resins mostly, adds thermal fusing powder, with
Achieve the purpose that thermal transfer, adhesion strength and water-wash resistance are all undesirable.
Summary of the invention
In view of the shortcomings of the prior art with deficiency, the present invention provides a kind of thermal fusing powder modified aqueous polyurethane resin and its system
Preparation Method.
The present invention protects a kind of thermal fusing powder modified aqueous polyurethane resin, by 35-50 parts of deionized water, 30-40 parts
Diisocyanate, 80-100 parts of oligomer polyol, 5-7 parts of small molecule chain extender, 0.2-3 parts of hydrophilic chain extender,
5-30 parts of thermal fusing powder, 0.05-0.5 parts of salt forming agent and 0.1-0.4 parts of catalyst composition.
Further, the diisocyanate be toluene di-isocyanate(TDI), it is 4,4'- methyl diphenylene diisocyanate, different
Fluorine that ketone diisocyanate, hexamethylene diisocyanate and/or 4,4'- dicyclohexyl methyl hydride diisocyanate, preferably different fluorine
That ketone diisocyanate, hexamethylene diisocyanate and/or 4,4'- dicyclohexyl methyl hydride diisocyanate.
Further, the oligomer polyol is polycarbonate glycol, polyoxypropylene polyol, polyethylene glycol oxide
Dihydric alcohol, polytetrahydrofuran dihydric alcohol, polyethylene glycol adipate dihydric alcohol, polydiethylene glycol adipate dihydric alcohol and/or
Polyneopentyl glycol adipate dihydric alcohol, the oligomer dihydric alcohol of preferred molecular weight 1000-5000.
Further, the small molecule chain extender is 1,4-butanediol, 1,6- hexylene glycol, ethylene glycol, 1,2-PD, two
Glycol, trimethylolpropane, ethylenediamine, diethylenetriamine, isophorone diamine and/or sulfamate；The hydrophily expands
Chain agent is selected from dihydroxymethyl third.
Further, the thermal fusing powder is TPU thermal fusing powder, PA thermal fusing powder or PES thermal fusing powder, preferably TPU thermal fusing powder.
Further, the salt forming agent is selected from triethylamine, NaOH, diethanol amine or diisopropanolamine (DIPA).
The present invention also protects a kind of preparation method of above-mentioned thermal fusing powder modified aqueous polyurethane resin, includes the following steps:
1. adding diisocyanate, stirring at 75-110 DEG C thermal fusing powder, oligomer polyol in 110-120 DEG C of dehydration 0.5-1.5h
Mix reaction 1.5-2h；2. small molecule chain extender, hydrophilic chain extender and catalyst are sequentially added, in 40-80 DEG C of reaction 4.5-
5.5h adjusts the viscosity of reaction system in entire reaction process with acetone, obtains base polyurethane prepolymer for use as；3. performed polymer is transferred to cream
Change in bucket, under conditions of 25-40 DEG C, salt forming agent is added, after 0.5-2min, under the revolving speed of 1500-2500r/min, is added
Deionized water simultaneously stirs 2-10min；4. the lotion containing acetone of preparation is transferred in the flask of de- acetone, temperature is controlled in 35-
55 DEG C, acetone is removed under vacuum condition to get aqueous polyurethane emulsion.
The thermal fusing powder modified aqueous polyurethane resin washing fastness that the present invention prepares is excellent, can be used for trans-printing row
Industry.
Specific embodiment
The present invention will be further described in detail below with reference to specific embodiments.The embodiment of the present invention is for example
It is provided with for the sake of description, and is not exhaustively or to limit the invention to disclosed form.Many modifications and change
Change is obvious for the ordinary skill in the art.Selection and description embodiment are to more preferably illustrate this hair
Bright principle and practical application, and make those skilled in the art it will be appreciated that the present invention is suitable for specific use to design
The various embodiments with various modifications on way.
Embodiment 1
By 30gTPU thermal fusing powder, 70g polyneopentyl glycol adipate dihydric alcohol (Mn=2000), 10g polycarbonate binary
35.52g isoflurane chalcone diisocyanate (IPDI) is being added in 110 DEG C of dehydration 1h in alcohol (Mn=2000), anti-in 100 DEG C of stirrings
Answer 1.5h.
Sequentially add 1.47g dihydromethyl propionic acid (DMPA), 6.25g 1,2-PD and 0.36g bismuth class catalyst, In
70 DEG C of reaction 3.5h adjust viscosity with 180g acetone, are cooled to 40 DEG C, and continuously adding 1.875g A95, (Germany wins wound, solid part
50%), insulation reaction 0.3h obtains base polyurethane prepolymer for use as.
Performed polymer is transferred in Emulsion cask, under conditions of 40 DEG C, is added 1g triethylamine (TEA), after 2min, in 1600r/
Under the revolving speed of min, be added 150g deionized water and stir 5min,
The lotion containing acetone of preparation is transferred in the flask of de- acetone, temperature controls between 35-55 DEG C ,-
Acetone is removed under 0.075MPa vacuum condition to get product is arrived.
Embodiment 2
By 20gTPU thermal fusing powder, 80g polyneopentyl glycol adipate dihydric alcohol, (Mn=2000 is adding in 110 DEG C of dehydration 1h
Enter 35.52g isoflurane chalcone diisocyanate (IPDI), is stirred to react 1.5h at 100 DEG C.
1.88g dihydromethyl propionic acid (DMPA), 6.25g1,2- propylene glycol and 0.3g bismuth class catalyst are sequentially added, 70
DEG C reaction 4.5h, with 100g acetone adjust viscosity, obtain base polyurethane prepolymer for use as.
Performed polymer is transferred in Emulsion cask, under conditions of 40 DEG C, is added 1g triethylamine (TEA), after 2min, in 1600r/
Under the revolving speed of min, 145g deionized water is added and stirs 5min.
The lotion containing acetone of preparation is transferred in the flask of de- acetone, temperature controls between 35-55 DEG C ,-
Acetone is removed under 0.075MPa vacuum condition to get product is arrived.
Embodiment 3
By 25gTPU thermal fusing powder, 80g polytetrahydrofuran dihydric alcohol (Mn=2000), 20g polycarbonate glycol (Mn=
2000) in 110 DEG C of dehydration 1h, 38.3g isoflurane chalcone diisocyanate (IPDI) is being added, is being stirred to react 2h at 90 DEG C.
1.8g dihydromethyl propionic acid (DMPA), 6g1,2- propylene glycol and 0.4g bismuth class catalyst are sequentially added, it is anti-at 70 DEG C
4.5h is answered, viscosity is adjusted with 200g acetone, is cooled to 40 DEG C, 2.5gA95 (Germany wins wound, solid part 50%) is continuously added, protects
Temperature reaction 0.5h, obtains base polyurethane prepolymer for use as.
Performed polymer is transferred in Emulsion cask, under conditions of 40 DEG C, is added 1g triethylamine (TEA), after 2min, in 1900r/
Under the revolving speed of min, 170g deionized water is added and stirs 5min.
The lotion containing acetone of preparation is transferred in the flask of de- acetone, temperature controls between 35-55 DEG C ,-
Acetone is removed under 0.075MPa vacuum condition to get product is arrived.
Embodiment 4
By 20gTPU thermal fusing powder, 70g polyneopentyl glycol adipate dihydric alcohol (Mn=2000), 10g polytetrahydrofuran two
First alcohol (Mn=2000) is being added 36g isoflurane chalcone diisocyanate (IPDI), is being stirred to react at 100 DEG C in 110 DEG C of dehydration 1h
1.5h。
1.67g dihydromethyl propionic acid (DMPA), 6.3g diethylene glycol (DEG) and 0.3g bismuth class catalyst are sequentially added, is reacted at 70 DEG C
3.5h adjusts viscosity with 190g acetone, is cooled to 40 DEG C, continuously adds 2gA95 (Germany wins wound, solid part 50%), heat preservation is anti-
0.3h is answered, base polyurethane prepolymer for use as is obtained.
Performed polymer is transferred in Emulsion cask, under conditions of 40 DEG C, is added 1g triethylamine (TEA), after 2min, in 1600r/
Under the revolving speed of min, 145g deionized water is added and stirs 5min.
The lotion containing acetone of preparation is transferred in the flask of de- acetone, temperature controls between 35-55 DEG C ,-
Acetone is removed under 0.075MPa vacuum condition to get product is arrived.
Performance detection analysis:
The thermal fusing powder modified aqueous polyurethane resin obtained respectively to embodiment 1-4 adds 0.8% silicon according to weight resin
Alkane coupling agent and 6% our factory's blocked curing agent are prepared into rubber cement, and scratch in film, 60 degree of drying, at 150-170 DEG C
Lower thermal transfer after being placed at room temperature for for 24 hours, carries out 60 DEG C of washing tests, every circulation 1.5h on cloth.
The above detection project data are as shown in the table:
Table 1
As seen from the above table, the thermal fusing powder modified aqueous polyurethane resin prepared by the present invention has preferable water-wash resistance
Can, industrial application requirement can be met.
Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments, this hair
Bright person of ordinary skill in the field can make various modifications or additions to the described embodiments or use
Similar mode substitutes, and however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.Base
Embodiment in the present invention, this field and those of ordinary skill in the related art are without creative labor
Every other embodiment obtained, all should belong to the scope of protection of the invention.
Claims (10)
1. a kind of thermal fusing powder modified aqueous polyurethane resin, which is characterized in that by 35-50 parts of deionized water, the two of 30-40 parts
Isocyanates, 80-100 parts of oligomer polyol, 5-7 parts of small molecule chain extender, 0.2-3 parts of hydrophilic chain extender, 5-
30 parts of thermal fusing powder, 0.05-0.5 parts of salt forming agent and 0.1-0.4 parts of catalyst composition.
2. thermal fusing powder modified aqueous polyurethane resin according to claim 1, which is characterized in that the diisocyanate is
Toluene di-isocyanate(TDI), 4,4'- methyl diphenylene diisocyanate, isoflurane chalcone diisocyanate, hexa-methylene diisocyanate
Ester and/or 4,4'- dicyclohexyl methyl hydride diisocyanate.
3. thermal fusing powder modified aqueous polyurethane resin according to claim 2, which is characterized in that the diisocyanate is
Isoflurane chalcone diisocyanate, hexamethylene diisocyanate and/or 4,4'- dicyclohexyl methyl hydride diisocyanate.
4. thermal fusing powder modified aqueous polyurethane resin according to claim 1, which is characterized in that the oligomer polyol
For polycarbonate glycol, polyoxypropylene polyol, polyoxyethylene glycol, polytetrahydrofuran dihydric alcohol, polyadipate
Glycol ester dihydric alcohol, polydiethylene glycol adipate dihydric alcohol and/or polyneopentyl glycol adipate dihydric alcohol.
5. thermal fusing powder modified aqueous polyurethane resin according to claim 4, which is characterized in that the oligomer polyol
For oligomer dihydric alcohol.
6. thermal fusing powder modified aqueous polyurethane resin according to claim 1, which is characterized in that the small molecule chain extender
For 1,4- butanediol, 1,6-HD, ethylene glycol, 1,2- propylene glycol, diethylene glycol (DEG), trimethylolpropane, ethylenediamine, divinyl three
Amine, isophorone diamine and/or sulfamate；The hydrophilic chain extender is selected from dihydroxymethyl third.
7. thermal fusing powder modified aqueous polyurethane resin according to claim 1, which is characterized in that the thermal fusing powder is TPU
Thermal fusing powder, PA thermal fusing powder or PES thermal fusing powder.
8. thermal fusing powder modified aqueous polyurethane resin according to claim 7, which is characterized in that the thermal fusing powder is TPU
Thermal fusing powder.
9. thermal fusing powder modified aqueous polyurethane resin according to claim 1, which is characterized in that the salt forming agent is selected from three
Ethamine, NaOH, diethanol amine or diisopropanolamine (DIPA).
10. a kind of preparation method of thermal fusing powder modified aqueous polyurethane resin described in claim 1-9, which is characterized in that
S1 adds diisocyanate, in 75-110 by thermal fusing powder, oligomer polyol in 110-120 DEG C of dehydration 0.5-1.5h
DEG C it is stirred to react 1.5-2h；
S2 sequentially adds small molecule chain extender, hydrophilic chain extender and catalyst, entire anti-in 40-80 DEG C of reaction 4.5-5.5h
The viscosity that reaction system should be adjusted with acetone in the process, obtains base polyurethane prepolymer for use as；
Performed polymer is transferred in Emulsion cask by S3, under conditions of 25-40 DEG C, salt forming agent is added, after 0.5-2min, in 1500-
Under the revolving speed of 2500r/min, deionized water is added and stirs 2-10min；
The lotion containing acetone of preparation is transferred in the flask of de- acetone by S4, and temperature control takes off under 35-55 DEG C, vacuum condition
Except acetone is to get aqueous polyurethane emulsion.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112358591A (en) * | 2020-11-09 | 2021-02-12 | 安徽聚合辐化化工有限公司 | TPU hot melt powder modified waterborne polyurethane resin and preparation method thereof |
| CN112593417A (en) * | 2020-11-30 | 2021-04-02 | 苏州维宁斯化工有限公司 | Environment-friendly water-based yellowing-resistant high-fastness polyurethane coating and 3D down jacket channel cloth foaming embossing adhesive |
| CN115260429A (en) * | 2021-11-10 | 2022-11-01 | 佳化化学科技发展（上海）有限公司 | Polyether composition, thermoplastic polyurethane and preparation method thereof |
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| CN115260429B (en) * | 2021-11-10 | 2024-04-19 | 佳化化学科技发展（上海）有限公司 | Polyether composition, thermoplastic polyurethane and preparation method thereof |
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