CN105086426B - A kind of aqueous minute surface resin and preparation method thereof - Google Patents
A kind of aqueous minute surface resin and preparation method thereof Download PDFInfo
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- CN105086426B CN105086426B CN201510561191.3A CN201510561191A CN105086426B CN 105086426 B CN105086426 B CN 105086426B CN 201510561191 A CN201510561191 A CN 201510561191A CN 105086426 B CN105086426 B CN 105086426B
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Abstract
The invention discloses a kind of aqueous minute surface resin, formula composition quality parts ratio is：Waterborne polyurethane resin 100, wetting agent 0.5 1, levelling agent 0.5 1, aqueous hand feeling agent 25, crosslinking agent 0.2 0.5；Also disclose a kind of method preparing above-mentioned aqueous minute surface resin, the product substitutes environmental pollution and the wasting of resources caused by organic solvent type material eliminates organic solvent from source using water-based material, volatile organic solvent (VOC) content is low, significantly improve labourer's employment environment, meet the requirement of European Union's ecology leather, the sustainable development for being conducive to industry improves the competitiveness in the international market of product.
Description
Technical field
The present invention relates to resins and preparation method thereof used in a kind of synthetic leather, and in particular to a kind of aqueous minute surface resin and its
Preparation method.
Background technology
Minute surface resin is a kind of resin with special decorative effect, and there is paint film the light of height to reflect after film forming
Property, the effect of similar mirror is seen from front.
Currently on the market synthetic leather surface using it is more be solvent-type acrylic and polyurethane resin gloss oil, corium surface
It is more using non-film gloss oil, also there is minority to use water-base resin gloss oil and nitrocotton modified protein gloss oil, to reach as minute surface
Penetrating effect.But these gloss oil are in use and effect all in place of Shortcomings.Solvent type gloss oil is due to not environmentally and not
Breathable moisture permeability will finally be replaced by aqueous product.Nitrocotton gloss oil low temperature is soft, but feel persistence is not good enough.Non-film class
Volatilization and skin upper surface binding strength of the gloss oil due to active ingredient are poor, and treated, and surface is easy to tarnish.And it is existing
The water-base resin gloss oil generally existing base material poor adhesive force used on the market, delamination of easily flaking, wet fog etc. is met on surface
Disadvantage.Therefore, it develops that a kind of adhesive force is good, it is necessary to meet the wet high brightness aqueous polyurethane minute surface resin not being atomized.
Invention content
It is good that the purpose of the present invention is to provide a kind of adhesive force, meet it is wet be not atomized, the aqueous polyurethane mirror of high brightness
Face resin and preparation method thereof.
Present invention technical solution used for the above purpose is：A kind of aqueous minute surface resin, formula composition matter
Measuring portion rate is：
100 wetting agent 0.5-1 levelling agents 0.5-1 of waterborne polyurethane resin
Aqueous hand feeling agent 2-5 crosslinking agents 0.2-0.5
The wetting agent is dioctyl sodium sulfosuccinate class wetting agent；Preferably, it is the U.S. to be used in the present invention
The OT-75 of Cytec cyanogen spies；
The levelling agent is waterborne organic silicon oxygen alkanes levelling agent；Preferably, the present invention in use be enlightening it is high 2440；
The aqueous hand feeling agent is modified water-soluble organosiloxane type of latex type；Preferably, it is this to be used in the present invention
The 9184 of Lip river Ke's chemical industry；
The crosslinking agent is aziridine crosslinker；Preferably, the present invention in use be Shanghai Xi Run chemical industry XR-100.
The weight part ratio of the waterborne polyurethane resin formula is：
Polymer diatomic alcohol：150-250 parts of diisocyanate：40-80 parts of dimethylolpropionic acids：11-21 parts of small molecules
Dihydric alcohol：1-8 parts of isophorone diamine：2-5 parts of ethylenediamine base sodium sulfonates：2-9 parts of triethylamines：7.5-14.5 parts of catalysis
Agent：0.05-0.1 parts of acetone：40-80 parts of N-Methyl pyrrolidones：20-40 parts of deionized waters：510-730 parts
The polymer diatomic alcohol is the group of one or both of polycarbonate glycol, PolyTHF dihydric alcohol
It closes；Preferably, the molecular weight of the polymer diatomic alcohol is 1000-2000；
The diisocyanate is isophorone diisocyanate, dicyclohexyl methyl hydride diisocyanate, oneself two isocyanides
One or more combinations in acid esters；
The small molecule dihydric alcohol is one or more in 1,4- butanediols, neopentyl glycol, 1,6-HD；
The catalyst is one kind in stannous octoate, dibutyl tin laurate；
The ethylenediamine base sodium sulfonate is the A95 of jade of the He family chemical industry, is 50% aqueous solution.
A kind of preparation method for realizing aqueous minute surface resin above-mentioned, step include：
(1), equipped with blender, thermometer, condensing unit reaction kettle in, the polymerization accurately measured according to ratio is added
Object dihydric alcohol, diisocyanate, catalyst are warming up to 85-100 DEG C, react 2 hours；
(2), 65 DEG C are cooled to, N-Methyl pyrrolidone, dimethylolpropionic acid, small molecule dihydric alcohol is added, is warming up to 80-
It 90 DEG C, reacts 2.5-3 hours；
(3), 50 DEG C are cooled to, acetone is added and stirs evenly；
(4), triethylamine is added, is reacted 0.5 hour at 45-50 DEG C；
(5), gained feed liquid in (4) is added under stiring in deionized water, disperses 20-30 minutes, ethylenediamine base is added
Sodium sulfonate, isophorone diamine continue dispersion 10 minutes；
(6), it is warming up to 63-70 DEG C, vacuum distillation removes solvent, obtains the translucent or transparent aqueous polyurethane of blue light
Lotion；
(7), by gained polyaminoester emulsion in (6), wetting agent, levelling agent, aqueous hand feeling agent, crosslinking agent are added under stiring
Up to aqueous minute surface resin.
Beneficial effects of the present invention are：
(1), this product is water-based system, and the present invention substitutes organic solvent type material using water-based material and eliminated from source
Environmental pollution and the wasting of resources caused by organic solvent, volatile organic solvent (VOC) content is low, significantly improves labourer's employment
Environment meets the requirement of European Union's ecology leather, is conducive to the sustainable development of industry, improves the competitiveness in the international market of product.
(2), emphasis of the present invention is embodied in the selection of raw material：
1., the selection of polymer polyatomic alcohol, polycarbonate glycol that the present invention selects high temperature resistant, wear-resisting property good and comprehensive
Close the preferable PolyTHF dihydric alcohol of physical property；
2., the selection of isocyanates, the present invention selects aliphatic diisocyanate, fundamentally solves the resistance to Huang of resin
Become performance.Isophorone diisocyanate has typical non-crystalline structure, has its polyurethane resin synthesized to have very high saturating
Lightness and glossiness, heat-resisting quantity and good chemical resistance；Dicyclohexyl methyl hydride diisocyanate has symmetrical alicyclic ring knot
Structure has its polyurethane resin synthesized to have excellent heat-resisting quantity and high physical property；Hexamethylene diisocyanate has linear aliphatic
Structure can assign the flexibility and ductility of polyurethane resin amount.
3., the selection of hydrophilic chain extender, the present invention selects the dimethylolpropionic acid containing-COOH and the second containing-SO3Na
The conformability hydrophilic chain extender of two amido sodium sulfonates, dimethylolpropionic acid compared to the common dihydromethyl propionic acid of existing system,
Its polyaminoester emulsion obtained has better transparency；The cooperation of-COOH and-SO3Na make lotion have better stability.
4., the selection of crosslinking agent, aziridine crosslinker can react at room temperature with carboxyl, can be with water and many organic solvents
Miscible, the coating being crosslinked by aziridine crosslinker can significantly improve the water resistance of coating, chemical-resistant, improve coating and exist
Adhesive force on base material.
Specific implementation mode
With reference to embodiment, the present invention is described in further detail：
Embodiment 1：
A kind of aqueous minute surface resin, formula composition mass fraction ratio are：
Waterborne polyurethane resin：100 wetting agents：0.5 levelling agent：0.5
Aqueous hand feeling agent：2 crosslinking agents：0.2
The mass fraction ratio of waterborne polyurethane resin formula is：
A kind of aqueous minute surface resin, preparation method includes the following steps：
(1), equipped with blender, thermometer, condensing unit reaction kettle in, be added accurately measure according to the above ratio it is poly-
Carbonic ester dihydric alcohol, hexamethylene diisocyanate, isophorone diisocyanate, stannous octoate are warming up to 100 DEG C, react 2 hours.
(2), 65 DEG C are cooled to, N-Methyl pyrrolidone, dimethylolpropionic acid, 1,6- hexylene glycols is added, is warming up to 90 DEG C,
Reaction 2.5 hours；
(3), 50 DEG C are cooled to, acetone is added and stirs evenly；
(4), triethylamine is added, is reacted 0.5 hour at 45-50 DEG C；
(5), gained feed liquid in (4) is added under stiring in deionized water, disperses 30 minutes, ethylenediamine base sulfonic acid is added
Sodium, isophorone diamine continue dispersion 10 minutes；
(6), it is warming up to 63-70 DEG C, vacuum distillation removes solvent, obtains the translucent or transparent aqueous polyurethane of blue light
Lotion.
(7), by gained polyaminoester emulsion in (6), wetting agent, levelling agent, aqueous hand feeling agent, crosslinking agent are added under stiring
Up to aqueous minute surface resin.
Embodiment 2：
A kind of aqueous minute surface resin, formula composition mass fraction ratio are：
Waterborne polyurethane resin：100 wetting agents：0.6 levelling agent：0.7
Aqueous hand feeling agent：3 crosslinking agents：0.3
The mass fraction ratio of waterborne polyurethane resin formula is：
A kind of aqueous minute surface resin, preparation method includes the following steps：
(1), equipped with blender, thermometer, condensing unit reaction kettle in, be added accurately measure according to the above ratio it is poly-
Carbonic ester dihydric alcohol, PolyTHF dihydric alcohol, isophorone diisocyanate, stannous octoate are warming up to 85 DEG C, react 2 hours.
(2), 65 DEG C are cooled to, N-Methyl pyrrolidone, dimethylolpropionic acid, 1,6- hexylene glycols, neopentyl glycol is added, is risen
Temperature is reacted 3 hours to 80 DEG C；
(3), 50 DEG C are cooled to, acetone is added and stirs evenly；
(4), triethylamine is added, is reacted 0.5 hour at 45-50 DEG C；
(5), gained feed liquid in (4) is added under stiring in deionized water, disperses 20 minutes, ethylenediamine base sulfonic acid is added
Sodium, isophorone diamine continue dispersion 10 minutes；
(6), it is warming up to 63-70 DEG C, vacuum distillation removes solvent, obtains the translucent or transparent aqueous polyurethane of blue light
Lotion.
(7), by gained polyaminoester emulsion in (6), wetting agent, levelling agent, aqueous hand feeling agent, crosslinking agent are added under stiring
Up to aqueous minute surface resin.
Embodiment 3：
A kind of aqueous minute surface resin, formula composition mass fraction ratio are：
Waterborne polyurethane resin：100 wetting agents：0.8 levelling agent：0.9
Aqueous hand feeling agent：5 crosslinking agents：0.5
The mass fraction ratio of waterborne polyurethane resin formula is：
A kind of aqueous minute surface resin, preparation method includes the following steps：
(1), equipped with blender, thermometer, condensing unit reaction kettle in, be added accurately measure according to the above ratio it is poly-
Carbonic ester dihydric alcohol, PolyTHF dihydric alcohol, dicyclohexyl methyl hydride diisocyanate, 1,4-butanediol, stannous octoate, heating
To 90 DEG C, react 2 hours.
(2), 65 DEG C are cooled to, N-Methyl pyrrolidone, dimethylolpropionic acid, neopentyl glycol is added, is warming up to 85 DEG C, instead
It answers 3 hours；
(3), 50 DEG C are cooled to, acetone is added and stirs evenly；
(4), triethylamine is added, is reacted 0.5 hour at 45-50 DEG C；
(5), gained feed liquid in (4) is added under stiring in deionized water, disperses 20 minutes, ethylenediamine base sulfonic acid is added
Sodium, isophorone diamine continue dispersion 10 minutes；
(6), it is warming up to 63-70 DEG C, vacuum distillation removes solvent, obtains the translucent or transparent aqueous polyurethane of blue light
Lotion.
(7), by gained polyaminoester emulsion in (6), wetting agent, levelling agent, aqueous hand feeling agent, crosslinking agent are added under stiring
Up to aqueous minute surface resin.
Embodiment 4：
A kind of aqueous minute surface resin, formula composition mass fraction ratio are：
Waterborne polyurethane resin：100 wetting agents：1 levelling agent：1
Aqueous hand feeling agent：4 crosslinking agents：0.35
The mass fraction ratio of waterborne polyurethane resin formula is：
A kind of aqueous minute surface resin, preparation method includes the following steps：
(1), equipped with blender, thermometer, condensing unit reaction kettle in, be added accurately measure according to the above ratio it is poly-
Carbonic ester dihydric alcohol, PolyTHF dihydric alcohol, dicyclohexyl methyl hydride diisocyanate, 1,4- butanediols, two fourth of tin dilaurate
Ji Xi is warming up to 90 DEG C, reacts 2 hours.
(2), 65 DEG C are cooled to, N-Methyl pyrrolidone, dimethylolpropionic acid is added, is warming up to 88 DEG C, reaction 2.5 is small
When；
(3), 50 DEG C are cooled to, acetone is added and stirs evenly；
(4), triethylamine is added, is reacted 0.5 hour at 45-50 DEG C；
(5), gained feed liquid in (4) is added under stiring in deionized water, disperses 25 minutes, ethylenediamine base sulfonic acid is added
Sodium, isophorone diamine continue dispersion 10 minutes；
(6), it is warming up to 63-70 DEG C, vacuum distillation removes solvent, obtains the translucent or transparent aqueous polyurethane of blue light
Lotion.
(7), by gained polyaminoester emulsion in (6), wetting agent, levelling agent, aqueous hand feeling agent, crosslinking agent are added under stiring
Up to aqueous minute surface resin.
Remarks：In above-described embodiment, in step (7) lotion wetting agent, levelling agent is added, can be with after aqueous hand feeling agent mixing
Stable storing will be finished after crosslinking agent is added in 6 hours, to ensure the stability of resin and the practicability of coating.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., be all included in the scope of protection of the present invention.
Claims (10)
1. a kind of aqueous minute surface resin, which is characterized in that its formula composition quality parts ratio is：
100 wetting agent 0.5-1 levelling agents 0.5-1 of waterborne polyurethane resin
Aqueous hand feeling agent 2-5 crosslinking agents 0.2-0.5
The weight part ratio of the waterborne polyurethane resin formula is：
Polymer diatomic alcohol：150-250 parts of diisocyanate：40-80 parts of dimethylolpropionic acids：11-21 parts of small molecule dihydric alcohols：
1-8 parts of isophorone diamine：2-5 parts of ethylenediamine base sodium sulfonates：2-9 parts of triethylamines：7.5-14.5 parts of catalyst：0.05-0.1 parts
Acetone：40-80 parts of N-Methyl pyrrolidones：20-40 parts of deionized waters：510-730 parts；
The polymer diatomic alcohol is the combination of one or both of polycarbonate glycol, PolyTHF dihydric alcohol；
The diisocyanate is isophorone diisocyanate, dicyclohexyl methyl hydride diisocyanate, hexamethylene diisocyanate
In one or more combinations；
The small molecule dihydric alcohol is one or more in 1,4- butanediols, neopentyl glycol, 1,6-HD；
The catalyst is one kind in stannous octoate, dibutyl tin laurate；
The ethylenediamine base sodium sulfonate is the A95 of jade of the He family chemical industry, is 50% aqueous solution；
The aqueous hand feeling agent is modified water-soluble organosiloxane type of latex type.
2. aqueous minute surface resin according to claim 1, which is characterized in that the molecular weight of the polymer diatomic alcohol is
1000-2000。
3. aqueous minute surface resin according to claim 1, which is characterized in that the wetting agent is dioctyl succinate sulphur
Sour sodium class wetting agent.
4. aqueous minute surface resin according to claim 3, which is characterized in that the wetting agent is that U.S.'s Cytec cyanogen is special
OT-75.
5. aqueous minute surface resin according to claim 1, which is characterized in that the levelling agent is waterborne organic silicon oxygen alkane
Class levelling agent.
6. aqueous minute surface resin according to claim 5, which is characterized in that the levelling agent is high 2440 of enlightening.
7. aqueous minute surface resin according to claim 1, which is characterized in that the aqueous hand feeling agent is Si Luoke chemical industry
9184.
8. aqueous minute surface resin according to claim 1, which is characterized in that the crosslinking agent is aziridine crosslinker.
9. aqueous minute surface resin according to claim 8, which is characterized in that the crosslinking agent is Shanghai Xi Run chemical industry
XR-100。
10. a kind of method preparing the aqueous minute surface resin described in one of claim 1-9, which is characterized in that its step
Including：
(1), equipped with blender, thermometer, condensing unit reaction kettle in, the polymer two that is accurately measured according to ratio is added
First alcohol, diisocyanate, catalyst are warming up to 85-100 DEG C, react 2 hours；
(2), 65 DEG C are cooled to, N-Methyl pyrrolidone, dimethylolpropionic acid, small molecule dihydric alcohol is added, is warming up to 80-90
DEG C, it reacts 2.5-3 hours；
(3), 50 DEG C are cooled to, acetone is added and stirs evenly；
(4), triethylamine is added, is reacted 0.5 hour at 45-50 DEG C；
(5), gained feed liquid in (4) is added under stiring in deionized water, disperses 20-30 minutes, ethylenediamine base sulfonic acid is added
Sodium, isophorone diamine continue dispersion 10 minutes；
(6), it is warming up to 63-70 DEG C, vacuum distillation removes solvent, obtains the translucent or transparent aqueous polyurethane emulsion of blue light；
(7), by gained polyaminoester emulsion in (6), wetting agent, levelling agent, aqueous hand feeling agent, crosslinking agent is added under stiring to obtain the final product
Aqueous minute surface resin.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109705299A (en) * | 2018-08-29 | 2019-05-03 | 旭川化学（苏州）有限公司 | A kind of mirror surface leather waterborne polyurethane resin and preparation method thereof |
| CN109593455B (en) * | 2018-10-25 | 2021-08-20 | 运研材料科技（上海）有限公司 | Skin-feel waterborne polyurethane coating and preparation method thereof |
| CN109486392A (en) * | 2018-11-13 | 2019-03-19 | 运研材料科技（上海）有限公司 | Aqueous polyurethane coating and preparation method thereof |
| CN109957089A (en) * | 2019-04-01 | 2019-07-02 | 旭川化学（苏州）有限公司 | A kind of high attachment aqueous polyurethane mirror surface resin and its preparation method and application |
| CN110845907A (en) * | 2019-11-05 | 2020-02-28 | 成都普瑞斯特新材料有限公司 | Polyurethane environment-friendly universal matte ink |
| CN112521581B (en) * | 2020-12-14 | 2022-11-25 | 上海汇得科技股份有限公司 | Waterborne polyurethane surface layer resin for synthetic leather and preparation method and application thereof |
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| US4870129A (en) * | 1986-09-04 | 1989-09-26 | Bayer Aktiengesellschaft | Adhesive and use of the adhesive for the formation of bonds |
| CN102766396A (en) * | 2012-08-07 | 2012-11-07 | 丁军 | Waterborne polyurethane gloss paint for finishing shoe materials |
| CN103031050A (en) * | 2013-01-18 | 2013-04-10 | 广东佳景科技有限公司 | Water-based matt handfeel oil and preparation method thereof |
| CN103232584A (en) * | 2013-04-23 | 2013-08-07 | 东莞长联新材料科技股份有限公司 | High-performance environment-friendly type water-borne polyurethane and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4870129A (en) * | 1986-09-04 | 1989-09-26 | Bayer Aktiengesellschaft | Adhesive and use of the adhesive for the formation of bonds |
| CN102766396A (en) * | 2012-08-07 | 2012-11-07 | 丁军 | Waterborne polyurethane gloss paint for finishing shoe materials |
| CN103031050A (en) * | 2013-01-18 | 2013-04-10 | 广东佳景科技有限公司 | Water-based matt handfeel oil and preparation method thereof |
| CN103232584A (en) * | 2013-04-23 | 2013-08-07 | 东莞长联新材料科技股份有限公司 | High-performance environment-friendly type water-borne polyurethane and preparation method thereof |
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