CN102943140A - Method for improving water-based coating goat clothing leather color fastness to rubbing - Google Patents
Method for improving water-based coating goat clothing leather color fastness to rubbing Download PDFInfo
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Abstract
The invention relates to a manufacturing method for product tidying coating of the leather industry, in particular to a method for improving water-based coating goat clothing leather color fastness to rubbing. The method is characterized in that goat clothing leather blank undergoing toggling serves as a raw material, and the steps of face cleaning, bottom layer slurry spraying, ironing, rolling and softening, secondary face cleaning, face slurry spraying, top layer slurry spraying, secondary ironing and tidying are performed. The manufacturing method solves the technical problem that wet rubbing color fastness of coating goal leather products is no larger than the third stage under the conditions that a cross-linking agent is not used in a water-soluble coating agent in the prior art. The goat clothing leather produced by the coating is soft and smooth in touch, and dry friction is no smaller than the fourth to fifth stage and the wet friction is no smaller than the fourth stage in color fastness to rubbing, and the requirements of the military standard are met.
Description
Technical field
What the present invention relates to is the making method that the leather industry Product organization is covered with paint, lacquer, colour wash, etc., and especially relates to a kind of method that improves water base covering with paint goat leather for garment colour fastness to rubbing.
Background technology
At leather industry, Finishing Process is one of important procedure of leather processing, and it gives the different style of leather and use properties.Goat leather for garment is after covering with paint, lacquer, colour wash, etc., and leather surface is smooth, glossy, bright-colored and uniformity, thus make the leather outward appearance more attractive in appearance.A kind of mill base is coated on the leather surface, forms thin film, this mill base is commonly referred to finishing agent.Finishing agent is divided into water-soluble finishing agent and solvent-borne type finishing agent, the solvent-borne type finishing agent is compared with water-soluble finishing agent, well a lot of on the performances such as the water resisting property of covering with paint clothing leather, Bearable dry and wet wipe, but use the solvent-borne type finishing agent will be higher than the water-soluble finishing agent of use far away at the cost of the requirement of measures for the prevention of fire, the cost aspect the prevention and cure of occupational disease, the construction that is used for purifying air and equipment, and the feel of the clothing leather product that water-soluble finishing agent is covered with paint, lacquer, colour wash, etc. is more natural, comfortable than solvent-borne type finishing agent, so clothing leather is covered with paint, lacquer, colour wash, etc. the mostly water-soluble finishing agent of use.But water-soluble finishing agent is covered with paint, lacquer, colour wash, etc. the colour fastness to rubbing of finished product under not using the linking agent situation of (containing solvent and poisonous in the linking agent), wet friction≤3 grade; And military goat leather for garment requires colour fastness to rubbing: metal to-metal contact 〉=4-5 level, wet friction 〉=4 grade.So, how making the goat leather for garment colour fastness to rubbing of using water-soluble finishing agent production reach the requirement of military standard, is exactly the problem of the present invention's research.
Summary of the invention
The object of the present invention is to provide a kind of method that improves water base covering with paint goat leather for garment colour fastness to rubbing, obtaining colour fastness to rubbing as metal to-metal contact 〉=4-5 level, the water base covering with paint goat leather for garment product of wet friction 〉=4 grade.
Purpose of the present invention is achieved through the following technical solutions: a kind of method that improves water base covering with paint goat leather for garment colour fastness to rubbing, it is characterized in that goat leather for garment base skin behind the toggling is as raw material, undertaken by following processing step, wash one's face, spray bottom starch, press, roll soft, secondary is washed one's face, spray plane is starched, spray top layer slurry, the secondary flatiron; The employed material of each processing step all is weight part, and is specific as follows:
(1) washes one's face operational requirement: wring out after soaking into the liquid of washing one's face with clean towel, wipe one by one the examination leather surface; Demand perfection to open and clip, the rear leather surface of washing one's face is without foul, and grain is taken horse relatively;
The liquid of washing one's face: according to 5 parts of ammoniacal liquor, content: in ammonia (NH3) 〉=20%, 10 parts of alcohol, content: 〉=95%, 85 parts of preparations of water.
(2) spray bottom slurry, equipment: leather finish size spray dryer; Operational requirement: every skin spray bottom is starched 2～3 times, and is every all over every skin 28-32 gram; Leather after the whitewashing is absolutely dry, and spray is even, without the slurry point, and coating is frivolous, controls the slurry amount well;
Bottom slurry: according to without 70 parts of junket pigment pastes, found 150 parts of logical resin SD, 70 parts of ACTYBIND PU1169 hybrid resins, 70 parts of ACTYBIND R73 water-borne acrylic resins, 50 parts of Unires RU-3989,30 parts of vertical logical wax A, 30 parts of FI-1261,520 parts of preparations of water.
Paying special attention to once to whitewash can not be too many, in order to avoid cause the bad phenomenon that thick coating, feel are poor, produce the slurry point.
(3) flatiron, equipment: leather cylinder presses, rotating speed: 900～1200 rev/mins, temperature: 90～100 ℃, pressure: 0.5～2.5 handkerchief; Operational requirement: first temperature is added to regulation, the exhibition of then paving is one by one pressed, and a flatiron of demanding perfection is open and flat, nothing is extremely rolled over.
(4) roll softly, equipment: stainless steel falls soft rotary drum; Operational requirement: dress skin amount is 1/3rd to 1/2nd of rotary drum capacity, rolls 50～80 minutes soft time.
(5) secondary is washed one's face, operational requirement: wipe one by one the examination leather surface with clean towel; Clip for complete, the rear leather surface of washing one's face is without fouls such as lime-ash; Grain is taken horse relatively.
(6) spray plane slurry, equipment: the leather finish size spray dryer, operational requirement: every skin spray plane is starched 2～3 times, and is every all over every skin 35-40 gram; Leather after the whitewashing is absolutely dry, and spray is even, nothing slurry point, and coating is frivolous;
Starch adhesive: according to without 70 parts of junket pigment pastes, found 150 parts of logical resin SD, 50 parts of ACTYBIND PU1169 hybrid resins, 90 parts of ACTYBIND R73 water-borne acrylic resins, 20 parts of Unires RU-3989,20 parts of vertical logical wax A, 560 parts of preparations of water.
(7) spray top layer slurry, equipment: the leather finish size spray dryer, operational requirement: every skin spray top layer is starched 2 times, and is every all over every skin 28-32 gram; Leather after the whitewashing is absolutely dry, and spray is even, nothing slurry point, and coating is frivolous;
Top layer slurry: 3,018 240 parts of the smooth brightening agent FDN of Yi Su DP, 80 parts of Unires RU-3904,60 parts of WT-2586,10 parts of ACTYTOUCH WS-106 hand feeling agents, 15 parts of HM-183 hand feeling agents, 375 parts in water.
(8) secondary flatiron, equipment: leather cylinder presses, rotating speed: 900～1200 rev/mins, temperature: 90～100 ℃, pressure: 0.5～2.5 handkerchief; Operational requirement: first temperature is added to regulation, the exhibition of then paving is one by one pressed, and a flatiron of demanding perfection is open and flat, nothing is extremely rolled over.
Further the present invention also comprises: step (9) arrangement, and operational requirement: the leather after will press is put in order one by one, and edge has astigmatism, the show-through and something incosiderate of whitewashing, and dips in slurries and wipes, wipes even, aberration can not be arranged and wipe the edge tracking mark.
The invention solves the water-soluble finishing agent of prior art in the situation of not using linking agent, cover with paint, lacquer, colour wash, etc. the technical problem of saffian leather finished product wet friction colour fastness≤3 grades.The present invention develops the goat leather for garment of using water-soluble finishing agent, produce good quality in the situation of not using linking agent by selection collocation, material mixture ratio test to coating and decorating material.The covering with paint goat leather for garment that the present invention utilizes water-soluble finishing agent to produce is soft, smooth, after testing colour fastness to rubbing: metal to-metal contact 〉=4-5 level, wet friction 〉=4 grade; Reach the requirement of military standard.
Embodiment
The used skin material of following each embodiment all obtains by commercial sources.
Domestic comprises: ammoniacal liquor, alcohol, without the junket pigment paste; Ammoniacal liquor is with ammonia (NH
3) meter 〉=20%, ethanol content: 〉=95%.
What Germany BASF AG provided has: vertical logical resin SD, vertical logical wax A.
What France ATC company provided has: ACTYBIND PU1169 hybrid resin, ACTYBIND R73 water-borne acrylic resin, ACTYTOUCH WS-106 hand feeling agent.
What this tal fibre company provided has: Unires RU-3989, FI-1261, Unires RU-3904, WT-2586, HM-183 hand feeling agent.
What Lanxess Corporation provided has: the smooth brightening agent FDN of Yi Su DP 3018.
Embodiment 1
Get 1000 goat clothes crust leathers behind the toggling, in the steps below operation:
(1) washes one's face, stir evenly after taking by weighing ammoniacal liquor 0.5kg, alcohol 1kg and water 8.5kg mixing, the preparation 10kg liquid of washing one's face; Operational requirement: wring out after soaking into the liquid of washing one's face with clean towel, wipe one by one the examination leather surface, clip for complete, grain is taken horse relatively, and the rear leather surface of washing one's face should be without foul.
(2) spray bottom slurry:
Take by weighing the ACTYBIND R73 water-borne acrylic resin of the deployed ACTYBIND PU1169 hybrid resin without junket pigment paste, 15kg vertical logical resin SD, 7kg of 8kg, 7kg, Unires RU-3989,3kg vertical logical wax A, 3kg FI-1261 and the normal-temperature water 52kg of 5kg; Except without the junket pigment paste, mix behind other material dilute with water, stir evenly, will pour mixed solution into without the junket pigment paste at last and stir evenly, make the bottom slurry of 100kg, stand-by.
Equipment: leather finish size spray dryer; Operational requirement: every skin spray bottom is starched 3 times, and is every all over every skin 28-32 gram; Leather after the whitewashing is absolutely dry, and spray is even, without the slurry point, and coating is frivolous, controls the slurry amount well; Noting during whitewashing once whitewashing can not be too many, otherwise, cause the bad phenomenon that thick coating, feel are poor, produce the slurry point.
(3) flatiron, equipment: leather cylinder presses, rotating speed: 1000 rev/mins, temperature: 95 ℃, pressure: 1.5 handkerchiefs; Operational requirement: temperature is added to 95 ℃ first, the exhibition of then paving is one by one pressed, and a flatiron of demanding perfection is open and flat, nothing is extremely rolled over.
(4) roll softly, equipment: stainless steel falls soft rotary drum, Φ 3000 * 2000mm; Operational requirement: with the rotary drum of packing into of the goatskin after 1000 flatirons, roll 60 minutes soft time.
(5) secondary is washed one's face, operational requirement: wipe one by one the examination leather surface with clean towel; Clip for complete, the rear leather surface of washing one's face is without fouls such as lime-ash; Grain is taken horse relatively.
(6) spray plane slurry takes by weighing the ACTYBIND R73 water-borne acrylic resin of the deployed ACTYBIND PU1169 hybrid resin without junket pigment paste, 15kg vertical logical resin SD, 5kg of 7kg, 9kg, the vertical logical wax A of Unires RU-3989,2kg and the normal-temperature water 56kg of 2kg; Except without the junket pigment paste, mix behind other material dilute with water, stir evenly, will pour mixed solution into without the junket pigment paste at last and stir evenly, prepare the starch adhesive of 96kg; Stand-by.
Equipment: the leather finish size spray dryer, operational requirement: every skin spray plane is starched 2 times, and is every all over every skin 35-40 gram; Leather after the whitewashing is absolutely dry, and spray is even, nothing slurry point, and coating is frivolous;
(7) spray top layer slurry takes by weighing the ACTYTOUCH WS-106 hand feeling agent, HM-183 hand feeling agent and the normal-temperature water 37.5kg of 1.5kg of WT-2586,1 kg of Unires RU-3904, the 6kg of the smooth brightening agent FDN of 24kg Yi Su DP 3018,8kg; Stir evenly mixing behind the various material dilute with waters, make the top layer slurry of 78kg, stand-by.
Equipment: the leather finish size spray dryer, operational requirement: every skin spray top layer is starched 2 times, and is every all over every skin 28-32 gram; Leather after the whitewashing is absolutely dry, and spray is even, nothing slurry point, and coating is frivolous;
(8) secondary flatiron, equipment: leather cylinder presses, rotating speed: 1100 rev/mins, temperature: 100 ℃, pressure: 1.5 handkerchiefs; Operational requirement: first temperature is added to regulation, the exhibition of then paving is one by one pressed, and a flatiron of demanding perfection is open and flat, nothing is extremely rolled over.
(9) arrangement, operational requirement: the leather after will press is put in order one by one, and edge has astigmatism, show-through and whitewashing something incosiderate, and craft is dipped in slurries and is wiped, wipes even, aberration can not be arranged and wipe the edge tracking mark.
Embodiment 2
Get 1000 goat clothes crust leathers behind the toggling, in the steps below operation:
(1) washes one's face, with embodiment 1.
(2) spray bottom slurry: every skin spray bottom is starched 2 times, and is every all over every skin 28-32 gram; All the other are with embodiment 1.
(3) flatiron, rotating speed: 980 rev/mins, temperature: 98 ℃, pressure: 1.1 handkerchiefs; All the other are with embodiment 1.
(4) roll softly, roll 80 minutes soft time; All the other are with embodiment 1.
(5) secondary is washed one's face, with embodiment 1.
(6) spray plane slurry, every skin spray plane is starched 3 times, and is every all over every skin 35-40 gram; All the other are with embodiment 1.
(7) spray top layer slurry is with embodiment 1.
(8) secondary flatiron, rotating speed: 1100 rev/mins, temperature: 98 ℃, pressure: 1.8 handkerchiefs all the other with embodiment 1.
(9) arrangement is with embodiment 1.
Embodiment 3
Get 1000 goat clothes crust leathers behind the toggling, in the steps below operation:
(1) washes one's face, with embodiment 1.
(2) spray bottom slurry: with embodiment 1.
(3) flatiron, rotating speed: 1200 rev/mins, temperature: 90 ℃, pressure: 2 handkerchiefs; All the other are with embodiment 1.
(4) roll softly, roll 50 minutes soft time; All the other are with embodiment 1.
(5) secondary is washed one's face, with embodiment 1.
(6) spray plane slurry, every skin spray plane is starched 2 times, and is every all over every skin 35-40 gram; All the other are with embodiment 1.
(7) spray top layer slurry is with embodiment 1.
(8) secondary flatiron, rotating speed: 950 rev/mins, temperature: 100 ℃, pressure: 0.8 handkerchief all the other with embodiment 1.
(9) arrangement is with embodiment 1.
Embodiment 4
Get 1000 goat clothes crust leathers behind the toggling, in the steps below operation:
(1) washes one's face, with embodiment 1.
(2) spray bottom slurry: with embodiment 1.
(3) flatiron, rotating speed: 950 rev/mins, temperature: 98 ℃, pressure: 2.3 handkerchiefs; All the other are with embodiment 1.
(4) roll softly, roll 60 minutes soft time; All the other are with embodiment 1.
(5) secondary is washed one's face, with embodiment 1.
(6) spray plane slurry, every skin spray plane is starched 2 times, and is every all over every skin 35-40 gram; All the other are with embodiment 1.
(7) spray top layer slurry is with embodiment 1.
(8) secondary flatiron, rotating speed: 1150 rev/mins, temperature: 96 ℃, pressure: 1.6 handkerchiefs all the other with embodiment 1.
(9) arrangement is with embodiment 1.
Claims (2)
1. method that improves water base covering with paint goat leather for garment colour fastness to rubbing, it is characterized in that goat leather for garment base skin behind the toggling is as raw material, undertaken by following processing step, wash one's face, spray bottom starch, press, roll soft, secondary is washed one's face, spray plane is starched, spray top layer slurry, the secondary flatiron; The employed material of each processing step all is weight part, and is specific as follows:
(1) washes one's face operational requirement: wring out after soaking into the liquid of washing one's face with clean towel, wipe one by one the examination leather surface; Demand perfection to open and clip, the rear leather surface of washing one's face is without foul, and grain is taken horse relatively;
The liquid of washing one's face: according to 5 parts of ammoniacal liquor, content: in ammonia (NH3) 〉=20%, 10 parts of alcohol, content: 〉=95%, 85 parts of preparations of water;
(2) spray bottom slurry, equipment: leather finish size spray dryer; Operational requirement: every skin spray bottom is starched 2～3 times, and is every all over every skin 28-32 gram; Leather after the whitewashing is absolutely dry, and spray is even, without the slurry point, and coating is frivolous, controls the slurry amount well;
Bottom slurry: according to without 70 parts of junket pigment pastes, found 150 parts of logical resin SD, 70 parts of ACTYBIND PU1169 hybrid resins, 70 parts of ACTYBIND R73 water-borne acrylic resins, 50 parts of Unires RU-3989,30 parts of vertical logical wax A, 30 parts of FI-1261,520 parts of preparations of water;
(3) flatiron, equipment: leather cylinder presses, rotating speed: 900～1200 rev/mins, temperature: 90～100 ℃, pressure: 0.5～2.5 handkerchief; Operational requirement: first temperature is added to regulation, the exhibition of then paving is one by one pressed, and a flatiron of demanding perfection is open and flat, nothing is extremely rolled over;
(4) roll softly, equipment: stainless steel falls soft rotary drum; Operational requirement: dress skin amount is 1/3rd to 1/2nd of rotary drum capacity, rolls 50～80 minutes soft time;
(5) secondary is washed one's face, operational requirement: wipe one by one the examination leather surface with clean towel; Clip for complete, the rear leather surface of washing one's face is without fouls such as lime-ash; Grain is taken horse relatively;
(6) spray plane slurry, equipment: the leather finish size spray dryer, operational requirement: every skin spray plane is starched 2～3 times, and is every all over every skin 35-40 gram; Leather after the whitewashing is absolutely dry, and spray is even, nothing slurry point, and coating is frivolous;
Starch adhesive: according to without 70 parts of junket pigment pastes, found 150 parts of logical resin SD, 50 parts of ACTYBIND PU1169 hybrid resins, 90 parts of ACTYBIND R73 water-borne acrylic resins, 20 parts of Unires RU-3989,20 parts of vertical logical wax A, 560 parts of preparations of water;
(7) spray top layer slurry, equipment: the leather finish size spray dryer, operational requirement: every skin spray top layer is starched 2 times, and is every all over every skin 28-32 gram; Leather after the whitewashing is absolutely dry, and spray is even, nothing slurry point, and coating is frivolous;
Top layer slurry: 3,018 240 parts of the smooth brightening agent FDN of Yi Su DP, 80 parts of Unires RU-3904,60 parts of WT-2586,10 parts of ACTYTOUCH WS-106 hand feeling agents, 15 parts of HM-183 hand feeling agents, 375 parts in water;
(8) secondary flatiron, equipment: leather cylinder presses, rotating speed: 900～1200 rev/mins, temperature: 90～100 ℃, pressure: 0.5～2.5 handkerchief; Operational requirement: first temperature is added to regulation, the exhibition of then paving is one by one pressed, and a flatiron of demanding perfection is open and flat, nothing is extremely rolled over.
2. a kind of method that improves water base covering with paint goat leather for garment colour fastness to rubbing as claimed in claim 1, it is characterized in that, also comprise step (9) arrangement, operational requirement: the leather after will pressing is put in order one by one, edge has astigmatism, show-through and whitewashing something incosiderate, dip in slurries and wipe, wipe even, aberration can not be arranged and wipe the edge tracking mark.
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| CN201210498164.2A CN102943140B (en) | 2012-11-29 | 2012-11-29 | Method for improving water-based coating goat clothing leather color fastness to rubbing |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104451001A (en) * | 2014-12-31 | 2015-03-25 | 东莞市天逸皮业有限公司 | Polishing leather producing method |
| CN105441599A (en) * | 2015-12-22 | 2016-03-30 | 浙江通天星集团股份有限公司 | Leather production process |
| CN106119445A (en) * | 2016-07-05 | 2016-11-16 | 山东德信皮业有限公司 | Roller flower the leather hands of a kind of improvement wipes technique |
| CN106119433A (en) * | 2016-07-05 | 2016-11-16 | 山东德信皮业有限公司 | A kind of leather machine coloring process |
| CN107338337A (en) * | 2017-09-04 | 2017-11-10 | 焦作隆丰皮草企业有限公司 | A kind of preparation method of sheep shearing wax change effect leather |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104451001A (en) * | 2014-12-31 | 2015-03-25 | 东莞市天逸皮业有限公司 | Polishing leather producing method |
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| CN105441599A (en) * | 2015-12-22 | 2016-03-30 | 浙江通天星集团股份有限公司 | Leather production process |
| CN106119445A (en) * | 2016-07-05 | 2016-11-16 | 山东德信皮业有限公司 | Roller flower the leather hands of a kind of improvement wipes technique |
| CN106119433A (en) * | 2016-07-05 | 2016-11-16 | 山东德信皮业有限公司 | A kind of leather machine coloring process |
| CN106119445B (en) * | 2016-07-05 | 2020-08-04 | 山东德信皮业有限公司 | Improved roller-ball leather hand wiping process |
| CN107338337A (en) * | 2017-09-04 | 2017-11-10 | 焦作隆丰皮草企业有限公司 | A kind of preparation method of sheep shearing wax change effect leather |
| CN107338337B (en) * | 2017-09-04 | 2020-01-31 | 焦作隆丰皮草企业有限公司 | Preparation method of cashmere wax variation effect leather |
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