CN102669855A - Waterborne polyurethane coating glove and production process thereof - Google Patents
Waterborne polyurethane coating glove and production process thereof Download PDFInfo
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- CN102669855A CN102669855A CN2012101396153A CN201210139615A CN102669855A CN 102669855 A CN102669855 A CN 102669855A CN 2012101396153 A CN2012101396153 A CN 2012101396153A CN 201210139615 A CN201210139615 A CN 201210139615A CN 102669855 A CN102669855 A CN 102669855A
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Abstract
The invention relates to a waterborne polyurethane coating glove and production process thereof. The production process comprises the following steps: a. preheating, i.e., putting a fabric glove core on a hand mold and preheating; b. dipping in a coagulator, wherein the coagulator is volatilizable organic acid; c. baking; d. dipping in glue liquid, wherein the ingredients of the glue liquid comprise waterborne polyurethane and water; e. drying; and f. demolding. The waterborne polyurethane coating glove is structurally made by coating the waterborne polyurethane coating on the fabric glove core. According to the invention, volatilizable organic acid is used as the coagulator instead of a calcium salt in the production process; organic acid can be volatilized and recycled during the production, so that the washing step is omitted; and a mechanical foaming waterborne polyurethane coating glove can be made. The waterborne polyurethane coating glove has the characteristics of excellent performance, soft manufactured product, wear resistance, simple production process and wide market prospect, and is environment-friendly, safe.
Description
Technical field
The present invention relates to gloves and production technology thereof, aqueous polyurethane coating gloves and production technology thereof.
Background technology
The glue material of dipped gloves in the market mainly is a Heveatex, NBR latex, and pvc sticks with paste resin and solvent type polyurethane resin.Heveatex type dipped gloves is soft, but wears no resistance, and production technology needs the poaching wastewater amount big; NBR latex dipped gloves wearability is superior to Heveatex, but the dipped gloves flexibility of NBR latex manufacture of materials is bad, and production technology needs the poaching wastewater amount big; Pvc sticks with paste the not environmental protection of resin dipped gloves and contains a large amount of plasticizer; Solvent borne polyurethane contains a large amount of organic solvents, and production process is big to ambient influnence, and the residual harmful solvent of goods, like DMF.
What the coagulating agent of production dipped gloves mainly adopted at present is the aqueous solution or the alcoholic solution of calcium chloride or calcium nitrate.The gloves of this explained hereafter must pass through washing and remove unnecessary calcium chloride or calcium nitrate.Need a large amount of waters, and discharge of wastewater.
The process using spray that prior art is produced gloves reaches repeatedly impregnation, complex process; The prior art solidification temperature is too high, and energy consumption is big; According to the uncontrollable gluing of prior art position; Prior art contains antifoaming agent, can't prepare the expansion type gloves.
Application number is that 201010609040.8 application for a patent for invention specifications disclose a kind of environment-friendly water-based polyurethane coated glove; It adopts the knitted gloves lining; On liner surface, be coated with aqueous polyurethane coating, aqueous polyurethane slurry wherein comprises waterborne polyurethane resin, water-based acrylonitrile-butadiene rubber and auxiliary agent composition.Another object of the present invention is to provide the preparation method of above-mentioned environment-friendly water-based polyurethane coated glove, and this method comprises a, drenches slurry; B, soaking paste; Three processes of the c demoulding.But this technical scheme adopts spray to reach repeatedly impregnation, and complex process, solidification temperature are too high, and energy consumption is big, and there is antifoaming agent uncontrollable gluing position, can't prepare the expansion type gloves.
Summary of the invention
The technical problem that the present invention will solve provides a kind of aqueous polyurethane coating gloves and production technology thereof; Utilize the excellent properties of aqueous polyurethane; The dipped gloves that adopts aqueous polyurethane and multiple other resin compounded to produce; Not only excellent performance, and cost is reasonable, has omitted the water-washing step energy savings.
In order to solve the problems of the technologies described above, the technical scheme that the present invention takes is following:
A kind of production technology of aqueous polyurethane coating gloves may further comprise the steps:
A. preheating: on fingerprint, put fabric gloves core, preheating;
B. soak coagulating agent, said coagulating agent is volatilizable organic acid;
C. baking;
D. dipping solution, the glue composition comprises aqueous polyurethane and water;
E. oven dry;
F. the demoulding.
Said preheat temperature is 60 degrees centigrade, and be 10 minutes preheating time; Said coagulating agent is evenly mixed by 94 parts of water and 6 parts of formic acid and processes; Soaking the coagulating agent time is 1 second, hangs down afterwards to dripping to no liquid and ooze; Said baking temperature is 60 degrees centigrade, and stoving time is 10 minutes; The time of dipping solution is 2 seconds, treats that glue hang down to drip after 30 seconds, and rotary die makes glue even; Said bake out temperature is 80-90 degree centigrade, and drying time is 60 minutes.
Preferably, said glue comprises 100 parts of aqueous polyurethanes and 3 parts of auxiliary agents.
Preferably, said glue comprises 70 parts of aqueous polyurethanes and 20 parts of styrene-butadiene latexes.
Preferably, said glue comprises 80 parts of aqueous polyurethanes and 20 parts of elastic acrylate emulsions.
Preferably, said 60 parts of glues comprise aqueous polyurethane and 40 parts of methods of polyisoprene emulsion.
The production technology of described aqueous polyurethane coating gloves also comprises step g. clean, said g. cleans and is in after the d. dipping solution step, before the e. baking step.
Institute's cleaning step comprises that touching the core bubble with the hand of clear water after with dipping solution washed 15 minutes.
A kind of aqueous polyurethane coating gloves, said gloves are made by each described method of claim 1-8.
On fabric gloves core, be provided with aqueous polyurethane coating.
Production technology of the present invention does not adopt calcium salt as coagulating agent, but adopts volatilizable organic acid.In process of production, organic acid is volatilizable recycling, can omit water-washing step, can processing machinery foaming aqueous polyurethane coating gloves; The aqueous polyurethane coating gloves have the characteristics of Environmental Safety, excellent performance, and goods are soft, and wear-resisting, production technology is simple, has vast market prospect.
Description of drawings
Do further detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
Fig. 1 is an aqueous polyurethane coating glove structure sketch map;
1 is fabric gloves cores among the figure, and 2 is aqueous polyurethane coating.
The specific embodiment
A kind of production technology of aqueous polyurethane coating gloves, concrete steps comprise;
1, preheating: on fingerprint, put fabric gloves core, get into drying tunnel, drying tunnel temperature is set at 60 degrees centigrade, preheating 10 minutes.
2, soak coagulating agent, said coagulating agent is volatilizable organic acid; Be loaded in the streamline coagulating agent groove after 94 parts of water and 6 parts of formic acid are mixed; The gloves core soaks coagulating agent, and half palm immersed one second, hangs down to dripping to no liquid and ooze.
3, baking; Fingerprint gets into drying tunnel, and drying tunnel temperature is set at 60 degrees centigrade, toasts 10 minutes.
4, dipping solution, the glue composition comprises aqueous polyurethane and water; Glue comprises 3 parts of 100 parts of aqueous polyurethanes and auxiliary agents, add as required selected color slurry a little, stir the production line slurry tank of packing into.Go out that fingerprint immerses glue behind the drying tunnel, half palm immersed 2 seconds, treat liquid drop to 30 second after, rotary die makes glue even.After 10 minutes, glue solidifies typing fully.
5, oven dry; If manufacture level gloves, fingerprint directly get into the drying tunnel baking, drying tunnel temperature is set at 80-90 degree centigrade, toasts 60 minutes.If production food-grade gloves, fingerprint get into the bubble washing trough and washed 15 minutes with the clear water bubble, got into drying tunnel again 60 minutes.
6, the demoulding, gloves are cooled to below 60 degrees centigrade after going out drying tunnel, demoulding packing.
1, preheating: on fingerprint, put fabric gloves core, get into drying tunnel, drying tunnel temperature is set at 60 degrees centigrade, preheating 10 minutes.
2, soak coagulating agent, said coagulating agent is volatilizable organic acid; Be loaded in the streamline coagulating agent groove after 94 parts of water and 6 parts of formic acid are mixed; The gloves core soaks coagulating agent, and half palm immersed one second, hangs down to dripping to no liquid and ooze.
3, baking; Fingerprint gets into drying tunnel, and drying tunnel temperature is set at 60 degrees centigrade, toasts 10 minutes.
4, dipping solution, the glue composition comprises aqueous polyurethane and water; Glue comprises 20 parts of 70 parts of aqueous polyurethanes and styrene-butadiene latexes, add as required selected color slurry a little, stir the production line slurry tank of packing into.Fingerprint immerses glue after going out drying tunnel, and half palm immersed 2 seconds, treated that glue dripped after 30 seconds, and rotary die makes glue even.After 10 minutes, glue solidifies typing fully.
5, oven dry; If manufacture level gloves, fingerprint directly get into the drying tunnel baking, drying tunnel temperature is set at 80-90 degree centigrade, toasts 60 minutes.If production food-grade gloves, fingerprint get into the bubble washing trough and washed 15 minutes with the clear water bubble, got into drying tunnel again 60 minutes.
6, the demoulding, gloves are cooled to below 60 degrees centigrade after going out drying tunnel, demoulding packing.
Embodiment 3
1, preheating: on fingerprint, put fabric gloves core, get into drying tunnel, drying tunnel temperature is set at 60 degrees centigrade, preheating 10 minutes.
2, soak coagulating agent, said coagulating agent is volatilizable organic acid; Be loaded in the streamline coagulating agent groove after 94 parts of water and 6 parts of formic acid are mixed; The gloves core soaks coagulating agent, and half palm immersed one second, hangs down to dripping to no liquid and ooze.
3, baking; Fingerprint gets into drying tunnel, and drying tunnel temperature is set at 60 degrees centigrade, toasts 10 minutes.
4, dipping solution, the glue composition comprises aqueous polyurethane and water; Glue comprises 20 parts of 80 parts of aqueous polyurethanes and elastic acrylate emulsions, add as required selected color slurry a little, stir the production line slurry tank of packing into.Fingerprint immerses glue after going out drying tunnel, and half palm immersed 2 seconds, treated that glue dripped after 30 seconds, and rotary die makes glue even.After 10 minutes, glue solidifies typing fully.
5, oven dry; If manufacture level gloves, fingerprint directly get into the drying tunnel baking, drying tunnel temperature is set at 80-90 degree centigrade, toasts 60 minutes.If production food-grade gloves, fingerprint get into the bubble washing trough and washed 15 minutes with the clear water bubble, got into drying tunnel again 60 minutes.
6, the demoulding, gloves are cooled to below 60 degrees centigrade after going out drying tunnel, demoulding packing.
Embodiment 4
1, preheating: on fingerprint, put fabric gloves core, get into drying tunnel, drying tunnel temperature is set at 60 degrees centigrade, preheating 10 minutes.
2, soak coagulating agent, said coagulating agent is volatilizable organic acid; Be loaded in the streamline coagulating agent groove after 94 parts of water and 6 parts of formic acid are mixed; The gloves core soaks coagulating agent, and half palm immersed one second, hangs down to dripping to no liquid and ooze.
3, baking; Fingerprint gets into drying tunnel, and drying tunnel temperature is set at 60 degrees centigrade, toasts 10 minutes.
4, dipping solution, the glue composition comprises aqueous polyurethane and water; Glue comprises 40 parts of 60 parts of aqueous polyurethanes and methods of polyisoprene emulsion, add as required selected color slurry a little, stir the production line slurry tank of packing into.Fingerprint immerses glue after going out drying tunnel, and half palm immersed 2 seconds, treated that glue dripped after 30 seconds, and rotary die makes glue even.After 10 minutes, glue solidifies typing fully.
5, oven dry; If manufacture level gloves, fingerprint directly get into the drying tunnel baking, drying tunnel temperature is set at 80-90 degree centigrade, toasts 60 minutes.If production food-grade gloves, fingerprint get into the bubble washing trough and washed 15 minutes with the clear water bubble, got into drying tunnel again 60 minutes.
6, the demoulding, gloves are cooled to below 60 degrees centigrade after going out drying tunnel, demoulding packing.
Embodiment 5
A kind of aqueous polyurethane coating gloves, the method for said gloves the foregoing description is made; Said glove structure is for to be provided with aqueous polyurethane coating 2 on fabric gloves core 1.
Above embodiment purpose is to explain the present invention, and unrestricted protection scope of the present invention, all application that come by simple change of the present invention all drop in protection scope of the present invention.
Claims (10)
1. the production technology of aqueous polyurethane coating gloves is characterized in that, may further comprise the steps:
A. preheating: on fingerprint, put fabric gloves core, preheating;
B. soak coagulating agent, said coagulating agent is volatilizable organic acid;
C. baking;
D. dipping solution, the glue composition comprises aqueous polyurethane and water;
E. oven dry;
F. the demoulding.
2. the production technology of aqueous polyurethane coating gloves according to claim 1 is characterized in that, said preheat temperature is 60 degrees centigrade, and be 10 minutes preheating time; Said coagulating agent is evenly mixed by 94 parts of water and 6 parts of formic acid and processes; Soaking the coagulating agent time is 1 second, hangs down afterwards to dripping to no liquid and ooze; Said baking temperature is 60 degrees centigrade, and stoving time is 10 minutes; The time of dipping solution is 2 seconds, treats that glue hang down to drip after 30 seconds, and rotary die makes glue even; Said bake out temperature is 80-90 degree centigrade, and drying time is 60 minutes.
3. the production technology of aqueous polyurethane coating gloves according to claim 1, said glue comprise 100 parts of aqueous polyurethanes and 3 parts of auxiliary agents.
4. the production technology of aqueous polyurethane coating gloves according to claim 1, said glue comprise 70 parts of aqueous polyurethanes and 20 parts of styrene-butadiene latexes.
5. the production technology of aqueous polyurethane coating gloves according to claim 1, said glue comprise 80 parts of aqueous polyurethanes and 20 parts of elastic acrylate emulsions.
6. the production technology of aqueous polyurethane coating gloves according to claim 1, said glue comprise 60 parts of aqueous polyurethanes and 40 parts of methods of polyisoprene emulsion.
7. according to the production technology of the described aqueous polyurethane coating gloves of claim 1-6, it is characterized in that, also comprise step g. clean, said g. cleans and is in after the d. dipping solution step, before the e. baking step.
8. the production technology of aqueous polyurethane coating gloves according to claim 7 is characterized in that, institute's cleaning step comprises that touching the core bubble with the hand of clear water after with dipping solution washed 15 minutes.
9. aqueous polyurethane coating gloves is characterized in that, said gloves are made by each described method of claim 1-8.
10. aqueous polyurethane coating gloves according to claim 9 is characterized in that, on fabric gloves core, are provided with aqueous polyurethane coating.
Priority Applications (1)
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| CN2012101396153A CN102669855A (en) | 2012-05-08 | 2012-05-08 | Waterborne polyurethane coating glove and production process thereof |
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| CN2012101396153A CN102669855A (en) | 2012-05-08 | 2012-05-08 | Waterborne polyurethane coating glove and production process thereof |
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Cited By (18)
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| CN102977423A (en) * | 2012-11-06 | 2013-03-20 | 青岛文创科技有限公司 | Method for modifying natural latex by aqueous polyurethane |
| CN103637437A (en) * | 2013-11-12 | 2014-03-19 | 青岛劲手劳保用品有限公司 | Five-finger reinforced type work protective glove and preparation method thereof |
| CN103976490A (en) * | 2014-04-14 | 2014-08-13 | 山东星宇手套有限公司 | Method for making butyronitrile wear-resistant impregnated glove |
| CN104287229A (en) * | 2014-10-20 | 2015-01-21 | 汇鸿(南通)安全用品有限公司 | Production process of polyurethane multilayer-coated glove |
| 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 |
| CN104738838A (en) * | 2013-12-25 | 2015-07-01 | 沙嫣 | Water-based PU coating glove production method |
| CN105495785A (en) * | 2016-01-29 | 2016-04-20 | 山东星宇手套有限公司 | Fifteen-stitch nylon and polyurethane filament moon-pattern butyronitrile foaming glove and preparation process thereof |
| CN105533869A (en) * | 2016-01-29 | 2016-05-04 | 山东星宇手套有限公司 | Fifteen-stitch nylon and spandex filament butyronityile superfine foaming glove and preparation process thereof |
| CN107259680A (en) * | 2017-08-14 | 2017-10-20 | 上海深禾聚合物材料有限公司 | A kind of dipped gloves production technology |
| CN108162277A (en) * | 2018-01-18 | 2018-06-15 | 南通强生安全防护科技股份有限公司 | A kind of PU gloves glue production line |
| CN108178915A (en) * | 2018-02-13 | 2018-06-19 | 山东星宇手套有限公司 | A kind of production method of aqueous PU foam gloves |
| CN108384222A (en) * | 2018-02-28 | 2018-08-10 | 山东星宇手套有限公司 | A kind of aqueous polyurethane coating gloves and preparation method thereof |
| CN108505353A (en) * | 2018-03-28 | 2018-09-07 | 山东星宇手套有限公司 | The manufacturing method of the manufacturing method and oiliness PU leather gloves of oiliness PU leather materials |
| CN108623858A (en) * | 2018-05-17 | 2018-10-09 | 合肥科天水性科技有限责任公司 | A kind of acid cure polymerizing preparation method of medical gloves |
| CN108978252A (en) * | 2018-08-23 | 2018-12-11 | 江苏恒辉安防股份有限公司 | A kind of processing method of bilayer PU gloves |
| CN109105983A (en) * | 2017-06-23 | 2019-01-01 | 江苏尤佳手套有限公司 | Aqueous polyurethane fabric coating gloves and its production technology |
| CN110845446A (en) * | 2019-11-08 | 2020-02-28 | 南通大学 | Preparation method and application of washing-free coagulant for pure cotton gloves |
| CN113068887A (en) * | 2021-03-18 | 2021-07-06 | 浙江康隆达特种防护科技股份有限公司 | Rubber coating safety glove and preparation method thereof |
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| CN102977423A (en) * | 2012-11-06 | 2013-03-20 | 青岛文创科技有限公司 | Method for modifying natural latex by aqueous polyurethane |
| CN103637437A (en) * | 2013-11-12 | 2014-03-19 | 青岛劲手劳保用品有限公司 | Five-finger reinforced type work protective glove and preparation method thereof |
| CN103637437B (en) * | 2013-11-12 | 2015-09-23 | 青岛劲手劳保用品有限公司 | Reinforced safety and industrial gloves of a kind of the five fingers and preparation method thereof |
| CN104738838B (en) * | 2013-12-25 | 2018-04-06 | 南通强生安全防护科技股份有限公司 | Water-based PU coated gloves production method |
| CN104738838A (en) * | 2013-12-25 | 2015-07-01 | 沙嫣 | Water-based PU coating glove production method |
| CN103976490B (en) * | 2014-04-14 | 2016-01-20 | 山东星宇手套有限公司 | The preparation method of the wear-resisting dipped gloves of a kind of butyronitrile |
| CN103976490A (en) * | 2014-04-14 | 2014-08-13 | 山东星宇手套有限公司 | Method for making butyronitrile wear-resistant impregnated glove |
| CN104287229A (en) * | 2014-10-20 | 2015-01-21 | 汇鸿(南通)安全用品有限公司 | Production process of polyurethane multilayer-coated glove |
| CN104287229B (en) * | 2014-10-20 | 2016-02-03 | 汇鸿(南通)安全用品有限公司 | A kind of production technology of polyurethane multilayer dipped gloves |
| 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 |
| CN105495785A (en) * | 2016-01-29 | 2016-04-20 | 山东星宇手套有限公司 | Fifteen-stitch nylon and polyurethane filament moon-pattern butyronitrile foaming glove and preparation process thereof |
| CN105533869A (en) * | 2016-01-29 | 2016-05-04 | 山东星宇手套有限公司 | Fifteen-stitch nylon and spandex filament butyronityile superfine foaming glove and preparation process thereof |
| CN105533869B (en) * | 2016-01-29 | 2017-10-03 | 山东星宇手套有限公司 | A kind of 15 pin nylon add the ultra-fine foam gloves of spandex thread butyronitrile and its preparation technology |
| CN109105983A (en) * | 2017-06-23 | 2019-01-01 | 江苏尤佳手套有限公司 | Aqueous polyurethane fabric coating gloves and its production technology |
| CN107259680A (en) * | 2017-08-14 | 2017-10-20 | 上海深禾聚合物材料有限公司 | A kind of dipped gloves production technology |
| CN108162277A (en) * | 2018-01-18 | 2018-06-15 | 南通强生安全防护科技股份有限公司 | A kind of PU gloves glue production line |
| CN108178915A (en) * | 2018-02-13 | 2018-06-19 | 山东星宇手套有限公司 | A kind of production method of aqueous PU foam gloves |
| CN108384222A (en) * | 2018-02-28 | 2018-08-10 | 山东星宇手套有限公司 | A kind of aqueous polyurethane coating gloves and preparation method thereof |
| CN108384222B (en) * | 2018-02-28 | 2021-08-10 | 山东星宇手套有限公司 | Waterborne polyurethane coating glove and preparation method thereof |
| CN108505353A (en) * | 2018-03-28 | 2018-09-07 | 山东星宇手套有限公司 | The manufacturing method of the manufacturing method and oiliness PU leather gloves of oiliness PU leather materials |
| CN108623858A (en) * | 2018-05-17 | 2018-10-09 | 合肥科天水性科技有限责任公司 | A kind of acid cure polymerizing preparation method of medical gloves |
| CN108623858B (en) * | 2018-05-17 | 2021-07-13 | 兰州科天健康科技股份有限公司 | Acid coagulation preparation method of medical gloves |
| CN108978252A (en) * | 2018-08-23 | 2018-12-11 | 江苏恒辉安防股份有限公司 | A kind of processing method of bilayer PU gloves |
| CN110845446A (en) * | 2019-11-08 | 2020-02-28 | 南通大学 | Preparation method and application of washing-free coagulant for pure cotton gloves |
| CN110845446B (en) * | 2019-11-08 | 2023-08-25 | 南通大学 | Preparation method and application of pure cotton glove washing-free coagulator |
| CN113068887A (en) * | 2021-03-18 | 2021-07-06 | 浙江康隆达特种防护科技股份有限公司 | Rubber coating safety glove and preparation method thereof |
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Application publication date: 20120919 |