CN103059703B - Powder-free gloves superslide is felt well hydronasty polyurethane finishing agent and preparation method - Google Patents
Powder-free gloves superslide is felt well hydronasty polyurethane finishing agent and preparation method Download PDFInfo
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- CN103059703B CN103059703B CN201210504666.1A CN201210504666A CN103059703B CN 103059703 B CN103059703 B CN 103059703B CN 201210504666 A CN201210504666 A CN 201210504666A CN 103059703 B CN103059703 B CN 103059703B
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Abstract
The invention discloses a kind of powder-free gloves superslide to feel well hydronasty polyurethane finishing agent and preparation method thereof, this finishing agent is composed of the following components by weight percentage: aqueous polyurethane, aqueous polyacrylamide acid resin, polyurethane particles, wetting agent, thickening material, antiseized slip(ping)agent defoamer, deionized water, wherein aqueous polyurethane is made up of following component: polyvalent alcohol, aliphatic diisocyanate, ionization reagent, chainextender, environment-friendly type solvent, neutralizing agent, deionized water.Waterborne polyurethane coating agent of the present invention utilizes aqueous polyurethane (PU) to add polyurethane particles (PU particle), create the sense of surface irregularity fine hair, there is flexibility and smooth sense, put on rear difficult drop-off, and not easily produce peculiar smell and excitement because sweating, there is good PVC polyvinyl chloride material sticking power.
Description
Technical field
The present invention relates to a kind of powder-free gloves superslide to feel well hydronasty polyurethane finishing agent and preparation method thereof.
Background technology
Existing plastic glove adopts the materials such as PVC, natural rubber, paracril (NBR) to make mostly, but because namely these materials itself have stickiness and airtight, the gloves waiting material to make thus are caused easily to be stained with glutinous, for improving glove interior surface and hand is stained with glutinous, usually glove surface finishing agent is processed, make glove surface form thin film, prevent from being adhered, this gloves are referred to as powder-free gloves.The following shortcoming of existing finishing agent ubiquity:
1. some fillers of interpolation had in existing gloves finishing agent product are as micron-sized cured powder or White Carbon black, and do not belong to similar system filler easy layering and precipitating when preparing, the extinction effect of film forming and smoothness are not good.
2. after glove donning, meeting sweat is glutinous feeling of oppression and heat, and wears off not easily.There is no in the document delivered and consider user's wearing comfort/against sensitive.
3. gloves are after about 180 DEG C of baking moldings, cannot at high temperature impregnation waterborne polyurethane coating agent, and need be cooled to 70 DEG C just can impregnation, and processing procedure consumes energy.
Summary of the invention
The object of the invention is to overcome weak point of the prior art, providing a kind of for powder-free gloves, there is the antiallergic property of flexibility and super smooth feeling, can the waterborne polyurethane coating agent that uses of at high temperature impregnation;
Another object of the present invention is to provide a kind of method preparing this waterborne polyurethane coating agent.
In order to achieve the above object, the present invention adopts following scheme:
A kind of powder-free gloves superslide is felt well hydronasty polyurethane finishing agent, it is characterized in that composed of the following components by weight percentage:
In the present invention, aqueous polyurethane is composed of the following components by weight percentage:
The weight average molecular weight of aqueous polyurethane described in the present invention is 1 to 8 ten thousand.
Polyurethane particles to be average particle size range the be core-shell polymers of 70 ~ 250 μm in the present invention.
In the present invention, polyvalent alcohol is one or both in polyester polyol or polyether glycol.
In the present invention, polyester polyol is one or more the mixture in polydiethylene glycol adipate glycol, polybutylene glyool adipate, polyhexamethylene adipate glycol, and affiliated polyether glycol is one or both in polyoxypropyleneglycol, Polyoxyethylene glycol.
In the present invention, environment-friendly type solvent is dimethyl propylene ketoamine, diethylene glycol monomethyl ether, propylene glycol monomethyl ether, Diethylene glycol monopropyl ether, one or more mixtures in diethylene glycol monopropyl ether.
In the present invention, vulcabond is aliphatic diisocyanate.
In the present invention, aliphatic diisocyanate is one or both in hexamethylene diisocyanate, trimethylammonium-1,6-hexamethylene diisocyanate.
The ionized reagent of the present invention is 2,2-dimethylol propionic acid.
In the present invention, chainextender is one or more the mixture in trolamine, 3,5-diethyl toluene diamines, tolylene diamine.
In the present invention, neutralizing agent is potassium hydroxide or organic amine, and described organic amine is one or more the mixture in triethylamine, Tetramethyl Ethylene Diamine, 4-methyl-diaminopropane, 4-methyl hexamethylene diamine.
In the present invention, thickening material is the one in water-and acrylate, aqueous polyurethane.
In the present invention, wetting agent is such as but not limited to the one in German BYK company byk-333, byk-341, byk-344, described antiseized slip(ping)agent is such as but not limited to the one in German BYK company byk357, byk359, and described defoamer is such as but not limited to the one in German BYK company byk 019, byk022.
Prepare powder-free gloves superslide of the present invention to feel well the method for hydronasty polyurethane finishing agent, it is characterized in that comprising the following steps:
A, take raw material by weight: aqueous polyurethane, aqueous polyacrylamide acid resin, defoamer, wetting agent, antiseized slip(ping)agent, polyurethane particles, thickening material, deionized water;
B, in stainless steel still, be sequentially added into aqueous polyurethane, aqueous polyacrylamide acid resin, defoamer, wetting agent, anti-stick slip(ping)agent, deionized water, polyurethane particles, thickening material, stir about 4-5h, after filtration and get final product.
Compared with prior art, the present invention has following beneficial effect:
Waterborne polyurethane coating agent of the present invention utilizes aqueous polyurethane (PU) to add polyurethane particles (PU particle), create the sense of surface irregularity fine hair, there is flexibility and smooth sense, put on rear difficult drop-off, and not easily produce peculiar smell and excitement because sweating, there is good PVC polyvinyl chloride material sticking power.In the present invention, film coalescence aid adopts organic ethers in addition, on processing procedure, can at 140 DEG C of impregnation waterborne polyurethane coating agents, and finishing agent does not seethe with excitement and glove surface is non-foaming, conjunctiva, automatically lowers the temperature after impregnation, shortens processing procedure and energy-conservation.
Embodiment
Below in conjunction with specific embodiment, the present invention is described further:
One, the instant component aqueous polyurethane embodiment of 100kg is prepared:
Embodiment 1:
Take diethylene glycol monomethyl ether solvent 12.4kg, polyhexamethylene adipate glycol 8.3kg by weight percentage, polyoxypropyleneglycol 12.4kg put into reactor stir, still temperature 35 ~ 40 DEG C is reacted, add hexamethylene diisocyanate 8.3kg, 2,2-dimethylol propionic acids (DMPA) 1.2kg afterwards to stir intensification 70 ~ 80 DEG C reaction, add trolamine 1.2kg afterwards and carry out chain extending reaction, finally add the aqueous polyurethane that emulsion that triethylamine 2.7kg and deionized water 53.5kg high-speed stirring obtain is molecular-weight average 45630.
Embodiment 2
Take Diethylene glycol monopropyl ether solvent 8.7kg, polybutylene glyool adipate 8.7kg by weight percentage, polyoxypropyleneglycol 8.7kg put into reactor stir, still temperature 35 ~ 40 DEG C is reacted, add hexamethylene diisocyanate 13kg, 2,2-dimethylol propionic acids (DMPA) 1.3kg afterwards to stir intensification 70 ~ 80 DEG C reaction, add trolamine 2.2kg afterwards and carry out chain extending reaction, finally add the aqueous polyurethane that emulsion that triethylamine 1.3kg and deionized water 56.1kg high-speed stirring obtain is molecular-weight average 40300.
Embodiment 3
Take Diethylene glycol monopropyl ether solvent 9kg by weight percentage, polydiethylene glycol adipate glycol 9kg, Polyoxyethylene glycol 13.5kg put into reactor stir, still temperature 35 ~ 40 DEG C is reacted, add trimethylammonium-1 afterwards, 6-hexamethylene diisocyanate 4.5kg, 2,2-dimethylol propionic acids (DMPA) 1.8kg stir intensification 70 ~ 80 DEG C reaction, add trolamine 1.35kg afterwards carries out chain extending reaction, finally adds the aqueous polyurethane that emulsion that triethylamine 2.3kg and deionized water 58.55kg high-speed stirring obtain is molecular-weight average 36205.
Two, the powder-free gloves of the present invention preparation of the waterborne polyurethane coating agent of super smooth feeling: composed of the following components by weight percentage:
Table 1:
Preparation method:
Embodiment 1:(prepares the waterborne polyurethane coating agent of the super smooth feeling of 10kg powder-free gloves)
By the aqueous polyurethane of the preparation example 1 of 8.0kg, the acid of 1.0kg aqueous polyacrylamide acid resin, the antiseized slip(ping)agent BYK359 of 0.05kg defoamer BYK019,0.1kg wetting agent BYK-333,0.05kg, and 0.5kg deionized water, drop in the stainless steel still of 15L in order, then dispersed with stirring is carried out even, add 0.1kg polyurethane particle and 0.2kg thickening material (polyurethane thickening material TW-710 again, An Feng company produces), stirring 4 to 5 is little of uniform state, filters and obtain the waterborne polyurethane coating agent of the super smooth feeling of powder-free gloves.
Embodiment 2:(prepares the waterborne polyurethane coating agent of the super smooth feeling of 10kg powder-free gloves)
By the aqueous polyurethane of the preparation example 2 of 4kg, the acid of 2.5kg aqueous polyacrylamide acid resin, the antiseized slip(ping)agent BYK357 of 0.2kg defoamer BYK022,0.2kg wetting agent BYK-341,0.2kg and 1.8kg deionized water, drop in the stainless steel still of 15L in order, then dispersed with stirring is carried out even, add 0.5kg polyurethane particle and 0.6kg thickening material (polyurethane thickening material TW-710 again, An Feng company produces), stirring 4 to 5 is little of uniform state, filters and obtain the waterborne polyurethane coating agent of the super smooth feeling of powder-free gloves.
Embodiment 3:(prepares the waterborne polyurethane coating agent of the super smooth feeling of 10kg powder-free gloves)
By the acid of the aqueous polyacrylamide of the aqueous polyurethane of the preparation example 3 of 4.45kg, 4.0kg acid resin, the antiseized slip(ping)agent BYK359N of 0.1kg defoamer BYK022,0.15kg wetting agent BYK-341,0.1kg and 0.5kg deionized water, drop in the stainless steel still of 15L in order, then dispersed with stirring is carried out even, add 0.3kg polyurethane particle and 0.15kg thickening material (polyurethane thickening material TW-710 again, An Feng company produces) after stir 4 to 5 little of uniform state, filters and obtains the waterborne polyurethane coating agent of the super smooth feeling of powder-free gloves use.
Embodiment 4:(prepares the waterborne polyurethane coating agent of the super smooth feeling of 10kg powder-free gloves)
By the acid of the aqueous polyacrylamide of the aqueous polyurethane of the preparation example 2 of 4.25kg, 1.0kg acid resin, the antiseized slip(ping)agent BYK359N of 0.15kg defoamer BYK022,0.05kg wetting agent BYK-341,0.15kg and 4.0kg deionized water, drop in the stainless steel still of 15L in order, then dispersed with stirring is carried out even, add 0.1kg polyurethane particle and 0.3kg thickening material (polyurethane thickening material TW-710 again, An Feng company produces) after stir 4 to 5 little of uniform state, filters and obtains the waterborne polyurethane coating agent of the super smooth feeling of powder-free gloves use.
Embodiment 5:(prepares the waterborne polyurethane coating agent of the super smooth feeling of 10kg powder-free gloves)
By the acid of the aqueous polyacrylamide of the aqueous polyurethane of the preparation example 3 of 6.0kg, 2.0kg acid resin, the antiseized slip(ping)agent BYK359N of 0.3kg defoamer BYK022,0.05kg wetting agent BYK-341,0.2kg and 1.0kg deionized water, drop in the stainless steel still of 15L in order, then dispersed with stirring is carried out even, add 0.3kg polyurethane particle and 0.15kg thickening material (polyurethane thickening material TW-710 again, An Feng company produces) after stir 4 to 5 little of uniform state, filters and obtains the waterborne polyurethane coating agent of the super smooth feeling of powder-free gloves use.
Reference examples 1:(prepares the waterborne polyurethane coating agent of the super smooth feeling of 10kg powder-free gloves)
By the acid of the aqueous polyacrylamide of the aqueous polyurethane of the preparation example 2 of 6kg, 2.0kg acid resin, the antiseized slip(ping)agent BYK357 of 0.3kg defoamer BYK019,0.05kg wetting agent BYK-333,0.2kg and 1.3kg deionized water, drop in the stainless steel still of 15L in order, then dispersed with stirring is carried out even, add thickening material (the polyurethane thickening material TW-710 of 0.15kg again, An Feng company produces), stirring 4 to 5 is little of uniform state afterwards, filters and obtain the waterborne polyurethane coating agent of powder-free gloves.
Reference examples 2:(prepares the waterborne polyurethane coating agent of the super smooth feeling of 10kg powder-free gloves)
By the acid of the aqueous polyacrylamide of the aqueous polyurethane of the preparation example 3 of 6kg, 2.0kg acid resin, 0.3kg defoamer BYK019,0.05kg wetting agent BYK-333,0.2kg slip(ping)agent BYK357N and 1.3kg deionized water, drop in the stainless steel still of 15L in order, then dispersed with stirring is carried out even, add thickening material (the polyurethane thickening material TW-710 of 0.15kg again, An Feng company produces), stirring 4 to 5 is little of uniform state afterwards, filters and obtain powder-free gloves use polyurethane finishing agent.
In order to prove that the performance of the super smooth feeling environment-friendly water-based polyurethane finishing agent of powder-free gloves of the present invention has carried out following test to the powder-free gloves adopting the finishing agent of the present embodiment to prepare further:
(1) high temperature resistant not after tackiness test: gloves are pressed 1KG counterweight, put into 70 DEG C of baking ovens, see adhesive after 24hrs.If test result is adhesion, then the high temperature resistant not after tackiness of product is qualified.
(2) superslide may just as well: during to dress, gloves carry out sensory evaluation to the slipping of skin, be divided into 1 ~ 5 grade of rank (1 grade of film toughness, 2 grades of slipperiness differences, 3 grades slipperiness is general, 4 grades slipperiness is good, 5 grades of slipperiness are excellent), test result is 4 grades more than is qualified.
(3) stability of diluent: whether diluent after 1 week, layering or precipitation occurs in placement, throw out can not produce sclerosis.If any precipitation, shake rear real-time dispersion, do not produce layering or precipitation, then diluent good stability.
(4) stink test: during to dress, gloves are assessed the impact of the epidermis taste of skin, point of 1 ~ 3 grade rank (1 grade of epiderm skin have very large stink, 2 grades of epiderm skins have micro-stink, 3 grades of epiderm skin odorless).
(5) antiallergic property test: test number is 10 people, after the continuous wearing gloves 8hrs of both hands, skin without the red point of generation with the allergic symptom such as to scratch where it itches, number need reach 100%, for qualified.
The performance test results is as following table 2:
Table 2:
Claims (10)
1. powder-free gloves superslide is felt well a hydronasty polyurethane finishing agent, it is characterized in that composed of the following components by weight percentage:
Wherein said polyurethane particles to be average particle size range the be core-shell polymers of 70 ~ 250 μm,
Described aqueous polyurethane is composed of the following components by weight percentage:
Described environment-friendly type solvent is dimethyl propylene ketoamine, diethylene glycol monomethyl ether, propylene glycol monomethyl ether, Diethylene glycol monopropyl ether, one or more mixtures in diethylene glycol monopropyl ether.
2. powder-free gloves superslide according to claim 1 is felt well hydronasty polyurethane finishing agent, it is characterized in that described polyvalent alcohol is one or both in polyester polyol or polyether glycol.
3. powder-free gloves superslide according to claim 2 is felt well hydronasty polyurethane finishing agent, it is characterized in that described polyester polyol is one or more the mixture in polydiethylene glycol adipate glycol, polybutylene glyool adipate, polyhexamethylene adipate glycol, affiliated polyether glycol is one or both in polyoxypropyleneglycol, Polyoxyethylene glycol.
4. powder-free gloves superslide according to claim 1 is felt well hydronasty polyurethane finishing agent, it is characterized in that described vulcabond is aliphatic diisocyanate.
5. powder-free gloves superslide according to claim 4 is felt well hydronasty polyurethane finishing agent, it is characterized in that described aliphatic diisocyanate is one or both in hexamethylene diisocyanate, trimethylammonium-1,6-hexamethylene diisocyanate.
6. powder-free gloves superslide according to claim 1 is felt well hydronasty polyurethane finishing agent, it is characterized in that described ionization reagent is 2,2-dimethylol propionic acid.
7. powder-free gloves superslide according to claim 1 is felt well hydronasty polyurethane finishing agent, it is characterized in that described chainextender is one or more the mixture in trolamine, 3,5-diethyl toluene diamines, tolylene diamine.
8. powder-free gloves superslide according to claim 1 is felt well hydronasty polyurethane finishing agent, it is characterized in that described neutralizing agent is potassium hydroxide or organic amine, described organic amine is one or more the mixture in triethylamine, Tetramethyl Ethylene Diamine, 4-methyl-diaminopropane, 4-methyl hexamethylene diamine.
9. powder-free gloves superslide according to claim 1 is felt well hydronasty polyurethane finishing agent, it is characterized in that described thickening material is the one in water-and acrylate, aqueous polyurethane.
10. prepare powder-free gloves superslide described in claim 1 to feel well the method for hydronasty polyurethane finishing agent, it is characterized in that comprising the following steps:
A, take raw material by weight: aqueous polyurethane, aqueous polyacrylamide acid resin, defoamer, wetting agent, antiseized slip(ping)agent, polyurethane particles, thickening material, deionized water;
B, in stainless steel still, be sequentially added into aqueous polyurethane, aqueous polyacrylamide acid resin, defoamer, wetting agent, anti-stick slip(ping)agent, deionized water, polyurethane particles, thickening material, stir about 4-5h, after filtration and get final product.
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| CN104031234A (en) * | 2014-06-16 | 2014-09-10 | 旭川化学（苏州）有限公司 | Easily-dyed waterborne polyurethane resin as well as preparation method and application of waterborne polyurethane resin |
| CN104479340A (en) * | 2014-12-23 | 2015-04-01 | 上海汇得化工有限公司 | Modified waterborne polyurethane resin for safety gloves, as well as preparation method thereof |
| TWI614381B (en) * | 2015-05-29 | 2018-02-11 | Oji Holdings Corp | Sheet containing metal oxides and/or metal hydroxides |
| CN106318185B (en) * | 2015-07-08 | 2019-03-26 | 北京林氏精化新材料有限公司 | A kind of high solid PVC glove is without powder aqueous coating and its preparation and application |
| US10040966B2 (en) * | 2016-05-06 | 2018-08-07 | Columbia Insurance Company | Aqueous paint compositions with soft feel and light diffusion effects |
| US10865326B2 (en) | 2017-09-20 | 2020-12-15 | Ppg Industries Ohio, Inc. | Coating compositions, elastic barrier coatings formed therefrom, and methods of applying such coatings |
| US10829664B2 (en) | 2019-03-15 | 2020-11-10 | Ppg Industries Ohio, Inc. | Coating compositions containing polythioethers and elastic barrier coatings formed therefrom |
| US10836924B2 (en) | 2019-03-15 | 2020-11-17 | Ppg Industries Ohio, Inc. | Coating compositions and elastic barrier coatings formed therefrom |
| US20220363804A1 (en) * | 2019-11-05 | 2022-11-17 | Wanhua Chemical Group Co., Ltd. | Aqueous dispersion comprising polyurethane or polyurethane-urea, preparation method therefor and use thereof |
| CN114605904A (en) * | 2022-04-01 | 2022-06-10 | 鸣鸿智造科技(苏州)有限公司 | Aqueous composition for inner coating of medical gloves instead of chlorine washing process |
| CN115340822B (en) * | 2022-09-24 | 2023-11-07 | 中京新材料科技(河北)有限公司 | Super-smooth self-cleaning coating and preparation method thereof |
| CN116063885B (en) * | 2022-12-07 | 2024-05-03 | 万华化学集团股份有限公司 | Composition and method for preparing polyurethane glove by using same |
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