CN105112573A - Production method of low-shrinkage low-hardening leather special for automobiles - Google Patents
Production method of low-shrinkage low-hardening leather special for automobiles Download PDFInfo
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- CN105112573A CN105112573A CN201510637030.8A CN201510637030A CN105112573A CN 105112573 A CN105112573 A CN 105112573A CN 201510637030 A CN201510637030 A CN 201510637030A CN 105112573 A CN105112573 A CN 105112573A
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Abstract
The invention relates to the technical field of leather production, and particularly relates to a production method of low-shrinkage low-hardening leather special for automobiles. The method comprises the steps of taking soft leather to be subjected to first coat, tumbling ironing, floating coat, top coat, lustring and milling drum sequentially to obtain the low-shrinkage low-hardening leather special for the automobiles, wherein in the first coat step, a cationic wax agent and acrylic resin are dissolved into water for spraying treatment; in the tumbling ironing step, a tumbling mill is used for the tumbling ironing; in the floating coat step, leather adhesive resin is dissolved into water for spraying treatment; in the top coat step, acrylic resin isn, acrylic resin JS, leather cracking resin and leather pigment are dissolved into water for spraying treatment. According to the finished leather obtained by adopting the production method provided by the invention, after exposure and aging, the leather is stable in size, the shrinkage rate is low, soft hand feel is retained, has the characteristic of no obvious hardening, so that the performances of an automobile in multi aspects, such as appearance, sense of touch, safety are basically guaranteed to be retained after an exposure test or being used on a daily basis for a long time.
Description
Technical field
The present invention relates to leather production technical field, particularly relate to the production method of a kind of lower shrinkage low cirrhosis automobile specified leather.
Background technology
Leather is the material commonly used in automobile, automobile after tanning by the sun experiment or after daily long-time use many-sided performance such as outward appearance, sense of touch, security can change, existing leather resistance to contraction cirrhosis ability, in dress and use procedure, easily folding line cannot meet international top-brand motor corporation to the functional quality of seat leather long-time stable and complementary conditions.
Summary of the invention
The invention provides the production method of a kind of lower shrinkage low cirrhosis automobile specified leather, because it adopts repeatedly different coating to cover with paint, lacquer, colour wash, etc., protect layer by layer, the leather produced resistance to contraction cirrhosis ability excellent property.
For realizing object of the present invention, adopt following technical scheme: the production method that the invention provides a kind of lower shrinkage low cirrhosis automobile specified leather, it comprises: get soft cladding, successively through primary coat, boiling hot, middle painting, top paintings, hot light, fall and bulgingly process and obtain leather finish.Being improved to further technique scheme: get soft cladding; The coating water-soluble with positively charged ion cerate, acrylic cationic resin or carry out primary coat, and dry; Boiling hot with rolling machine; Carry out middle painting with the leather coating that then resin is water-soluble and dry; Carry out top with the coating that acrylic resin ISN, acrylic resin JS, leather cracking resin for synthesizing and leather colorant are water-soluble be coated with and dry; Use rolling machine hot light; Fall drum, obtain finished leather.
Being improved to further technique scheme: the production method of described lower shrinkage low cirrhosis automobile specified leather, it comprises: get soft cladding; Primary coat: add the positively charged ion cerate of 5 ~ 15 mass parts and the acrylic cationic resin of 40 ~ 60 mass parts in 10 ~ 25 DEG C water of 100 mass parts, be uniformly dissolved, form spray material, described spray material is sprayed on described cladding surface, 80 ~ 100 degrees Celsius of bakings; Boiling hot: the cladding that primary coat completes, after placing at least 2 hours under normal temperature, be placed in temperature 100 ~ 110 degrees Celsius, platen pressure 6 ~ 7 kilograms per square centimetres, boiling hot on the rolling machine of travelling belt transfer rate 0.03 ~ 0.08 metre per second (m/s); Middle painting: the leather then resin adding 5 ~ 15 mass parts in 10 ~ 25 DEG C water of 50 mass parts, is uniformly dissolved, formed spray material, described spray material is sprayed into above-mentioned boiling hot after cladding surface, 80 ~ 100 degrees Celsius of bakings; Top is coated with: in 10 ~ 25 DEG C water of 100 mass parts, add the acrylic resin ISN of 5 ~ 15 mass parts, the acrylic resin JS of 5 ~ 15 mass parts, the cracking resin for synthesizing of 70 ~ 90 mass parts, the leather colorant of 20 ~ 28 mass parts be uniformly dissolved, form spray material, described spray material is sprayed on the surface of the cladding behind above-mentioned midway, 80 ~ 100 degrees Celsius of bakings; Hot light: push up the cladding be coated with, be placed in temperature 90 ~ 110 degrees Celsius, platen pressure 7 ~ 8 kilograms per square centimetres, hot light on the rolling machine of travelling belt transfer rate 0.03 ~ 0.08 metre per second (m/s); Fall drum: fall drum under the cladding normal temperature after hot light 1 ~ 2 hour, obtain leather finish.
Preferably, described primary coat is specially: the positively charged ion cerate adding 5 ~ 15 mass parts in 10 ~ 25 DEG C water of 100 mass parts, the acrylic cationic resin of 40-60 mass parts is added again after stirring, stirring and dissolving is even, form spray material, cladding is laid on the travelling belt of spraying machine, transfer rate 0.8 ~ 1.2 metre per second (m/s), open spraying machine and described spray material is sprayed on described cladding surface, consumption 15 ~ 20 grams/square chi, then baking box length 20 meters is placed in, transfer rate 0.05 ~ 0.15 metre per second (m/s), the oven for baking that storing temperature is 80 ~ 100 degrees Celsius, above-mentioned spraying repeats 2 times.
Preferably, described middle painting is specially: the leather then resin adding 5 ~ 15 mass parts in 10 ~ 25 DEG C water of 50 mass parts, stirring and dissolving is even, form spray material, leather is laid on the travelling belt of spraying machine, transfer rate 0.8 ~ 1.2 metre per second (m/s), open spraying machine and described spray material is sprayed on described cladding surface, spray 1 time, consumption 10 ~ 15 grams/square chi, is then placed in the oven for baking of baking box length 20 meters, transfer rate 0.05 ~ 0.15 metre per second (m/s), storing temperature 80 ~ 100 degrees Celsius.
Preferably, the painting of described top is specially: the acrylic resin ISN adding 5 ~ 15 mass parts in 10 ~ 25 DEG C water of 20 mass parts, the acrylic resin JS of 5 ~ 15 mass parts is added again after stirring, the cracking resin for synthesizing of 70 ~ 90 mass parts is added again after stirring, the leather colorant of 20 ~ 28 mass parts is added again after stirring, stirring and dissolving is even, form spray material, leather is laid on the travelling belt of spraying machine, transfer rate 0.8 ~ 1.2 metre per second (m/s), open spraying machine and described spray material is sprayed on described cladding surface, consumption 60 ~ 70 grams/square chi, then baking box length 20 meters is placed in, transfer rate 0.05 ~ 0.15 metre per second (m/s), the oven for baking that storing temperature is 80 ~ 100 degrees Celsius, above-mentioned spraying repeats 4-5 time.
Preferably, fall drum described in be specially: the cladding after hot light flow processing places at least 8 hours under 10 ~ 30 degree celsius temperature, falls drum 1 ~ 2 hour under 10 ~ 30 degree celsius temperature.
Preferably, described cladding requires shaving thickness 1.4 ~ 1.6 millimeters, and skin body is filled full, and softness is slightly with super fine sense.
Use strict preparation technology, the leather of making has to be protected layer by layer, and resistance to tortuous ability is strong, in use not easily folding line.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below the present invention is described in further detail.
Embodiment 1: the production method that the invention provides a kind of lower shrinkage low cirrhosis automobile specified leather, it comprises: prepare cladding, require thick 1.4 ~ 1.6 millimeters of shaving, and skin body is filled full, and softness is slightly with super fine sense.Primary coat flow process: get 100 mass parts water, be heated to 10 ~ 25 degrees Celsius, adds positively charged ion cerate 5-15 mass parts, stirs 1 ~ 2 minute, and then adds 40-60 mass parts acrylic cationic resin, and stir 1 ~ 2 minute, it fully dissolves; Be laid in by cladding on the travelling belt of spraying machine, transfer rate 0.8 ~ 1.2 metre per second (m/s) of travelling belt, coating consumption is 15 ~ 20g/ square chi, by length 20 meters after being painted with, transfer rate 0.05 ~ 0.15 metre per second (m/s), the oven cooking cycle that storing temperature is 80 ~ 100 degrees Celsius, above-mentioned spraying repeats 2 times.Boiling hot flow process: place at least 2 hours by spraying complete cladding in primary coat flow process under the normal temperature of 10 ~ 30 degrees Celsius, rolling machine is heated to 100-110 degree Celsius, the pressure debugging of rolling machine pressure roller is 6-7 kilograms per square centimetres, the speed of rolling machine travelling belt is set to 0.03 ~ 0.08 metre per second (m/s), is placed on by cladding on rolling machine boiling hot.Middle painting flow process: get 50 mass parts water, be heated to 10 ~ 25 degrees Celsius, adds the leather then resin of 5-15 mass parts, stirs and makes it fully dissolve in 1 ~ 2 minute; Cladding after boiling hot is tiled on a moving belt, travelling belt transfer rate 0.8 ~ 1.2 metre per second (m/s) is set, coating consumption is 10 ~ 15g/ square chi, spraying machine is to paint spay-coating 1 time, by length 20 meters after being painted with, transfer rate 0.05 ~ 0.15 metre per second (m/s), the oven cooking cycle that storing temperature is 80 ~ 100 degrees Celsius.Top is coated with flow process: get 20 mass parts water, be heated to 10 ~ 25 degrees Celsius, add the acrylic resin ISN of 5-15 mass parts, stir 1 ~ 2 minute, and then add 5-15 mass parts acrylic resin JS, stir 1 ~ 2 minute, and then add the leather cracking resin for synthesizing of 70-90 mass parts, stir 1 ~ 2 minute, and then the leather colorant (adding random color as required) adding 20-30 mass parts stirs and makes it fully dissolve in 1 ~ 2 minute; By the cladding tiling behind midway on a moving belt, arrange travelling belt transfer rate 0.8 ~ 1.2 metre per second (m/s), coating consumption is 60 ~ 70g/ square chi, by length 20 meters after being painted with, transmit speed 0.05 ~ 0.15 metre per second (m/s), the oven cooking cycle that storing temperature is 80 ~ 100 degrees Celsius, above-mentioned spraying repeats 4-5 time.Hot light flow process: rolling machine is heated to 100-110 degree Celsius, the pressure debugging of rolling machine pressure roller is 7-8 kilograms per square centimetres, the speed of rolling machine travelling belt is set to 0.03 ~ 0.08 metre per second (m/s), is placed on hot light on rolling machine by spraying complete cladding in top painting flow process.Fall bulging flow process: cladding complete for hot light in hot light flow process is placed at least 8 hours under the normal temperature of 10 ~ 30 degrees Celsius, under the normal temperature of 10 ~ 30 degrees Celsius, fall drum 1 ~ 2 hour, obtain finished product.
Embodiment 2: the production method that the invention provides a kind of lower shrinkage low cirrhosis automobile specified leather, it comprises: prepare cladding, require shaving thickness 1.5 millimeters, and skin body is filled full, and softness is slightly with super fine sense.Primary coat flow process: get 100 mass parts water, be heated to 10 ~ 25 degrees Celsius, adds positively charged ion cerate 8 mass parts, stirs 1 ~ 2 minute, and then adds 52 mass parts acrylic cationic resins, and stir 1 ~ 2 minute, it fully dissolves; Be laid in by cladding on the travelling belt of spraying machine, transfer rate 0.9 metre per second (m/s) of travelling belt, coating consumption is 20g/ square chi, and by length 20 meters after being painted with, transfer rate 0.08 metre per second (m/s), the oven cooking cycle that storing temperature is 100 degrees Celsius, above-mentioned spraying repeats 2 times.Boiling hot flow process: place spraying complete cladding in primary coat flow process 3 hours under the normal temperature of 10 ~ 30 degrees Celsius, rolling machine is heated to 110 degrees Celsius, the pressure debugging of rolling machine pressure roller is 6 kilograms per square centimetres, the speed of rolling machine travelling belt is set to 0.04 metre per second (m/s), is placed on by cladding on rolling machine boiling hot.Middle painting flow process: get 50 mass parts water, be heated to 10 ~ 25 degrees Celsius, adds the leather then resin of 8 mass parts, stirs and makes it fully dissolve in 2 minutes; Tiled on a moving belt by cladding after boiling hot, arrange travelling belt transfer rate 0.9 metre per second (m/s), coating consumption is 15g/ square chi, spraying machine is to paint spay-coating 1 time, by length 20 meters after being painted with, transfer rate 0.08 metre per second (m/s), the oven cooking cycle that storing temperature is 100 degrees Celsius.Top is coated with flow process: get 20 mass parts water, be heated to 10 ~ 25 degrees Celsius, add the acrylic resin ISN of 8 mass parts, stir 2 minutes, and then add 8 mass parts acrylic resin JS, stir 1 ~ 2 minute, and then add the leather cracking resin for synthesizing of 75 mass parts, stir 1 ~ 2 minute, and then the leather colorant (adding random color as required) adding 22 mass parts stirs and makes it fully dissolve in 1 ~ 2 minute; By the cladding tiling behind midway on a moving belt, arrange travelling belt transfer rate 0.9 metre per second (m/s), coating consumption is 60g/ square chi, and by length 20 meters after being painted with, transfer rate 0.1 metre per second (m/s), the oven cooking cycle that storing temperature is 80 degrees Celsius, above-mentioned spraying repeats 4 times.Hot light flow process: rolling machine is heated to 100 degrees Celsius, the pressure debugging of rolling machine pressure roller is 8 kilograms per square centimetres, and the speed of rolling machine travelling belt is set to 0.04 metre per second (m/s), is placed on hot light on rolling machine by spraying complete cladding in top painting flow process.Fall bulging flow process: placed 9 hours under the normal temperature of 10 ~ 30 degrees Celsius by cladding complete for hot light in hot light flow process, under the normal temperature of 10 ~ 30 degrees Celsius, fall drum 1 hour, obtain finished product.
Embodiment 3: the production method that the invention provides a kind of lower shrinkage low cirrhosis automobile specified leather, it comprises: prepare cladding, require shaving thickness 1.6 millimeters, and skin body is filled full, and softness is slightly with super fine sense.Primary coat flow process: get 100 mass parts water, be heated to 10 ~ 25 degrees Celsius, adds positively charged ion cerate 10 mass parts, stirs 2 minutes, and then adds 50 mass parts acrylic cationic resins, and stir 2 minutes, it fully dissolves; Be laid in by cladding on the travelling belt of spraying machine, transfer rate 1 metre per second (m/s) of travelling belt, coating consumption is 18g/ square chi, and by length 20 meters after being painted with, transfer rate 0.1 metre per second (m/s), the oven cooking cycle that storing temperature is 100 degrees Celsius, above-mentioned spraying repeats 2 times.Boiling hot flow process: place spraying complete cladding in primary coat flow process 10 hours under the normal temperature of 10 ~ 30 degrees Celsius, rolling machine is heated to 100 degrees Celsius, the pressure debugging of rolling machine pressure roller is 7 kilograms per square centimetres, the speed of rolling machine travelling belt is set to 0.05 metre per second (m/s), is placed on by cladding on rolling machine boiling hot.Middle painting flow process: get 50 mass parts water, be heated to 10 ~ 25 degrees Celsius, adds the leather then resin of 10 mass parts, stirs and makes it fully dissolve in 2 minutes; Tiled on a moving belt by cladding after boiling hot, arrange travelling belt transfer rate 1 metre per second (m/s), coating consumption is 13g/ square chi, spraying machine is to paint spay-coating 1 time, by length 20 meters after being painted with, transfer rate 0.1 metre per second (m/s), the oven cooking cycle that storing temperature is 95 degrees Celsius.Top is coated with flow process: get 20 mass parts water, be heated to 10 ~ 25 degrees Celsius, add the acrylic resin ISN of 10 mass parts, stir 2 minutes, and then add 10 mass parts acrylic resin JS, stir 2 minutes, and then add the leather cracking resin for synthesizing of 80 mass parts, stir 2 minutes, and then the leather colorant (adding random color as required) adding 24 mass parts stirs and makes it fully dissolve in 2 minutes; By the cladding tiling behind midway on a moving belt, arrange travelling belt transfer rate 1 metre per second (m/s), coating consumption is 70g/ square chi, and by length 20 meters after being painted with, transfer rate 0.1 metre per second (m/s), the oven cooking cycle that storing temperature is 95 degrees Celsius, above-mentioned spraying repeats 5 times.Hot light flow process: rolling machine is heated to 100 degrees Celsius, the pressure debugging of rolling machine pressure roller is 7.5 kilograms per square centimetres, and the speed of rolling machine travelling belt is set to 0.05 metre per second (m/s), is placed on hot light on rolling machine by spraying complete cladding in top painting flow process.Fall bulging flow process: placed 8 hours under the normal temperature of 10 ~ 30 degrees Celsius by cladding complete for hot light in hot light flow process, under the normal temperature of 10 ~ 30 degrees Celsius, fall drum 2 hours, obtain finished product.
Claims (4)
1. a production method for lower shrinkage low cirrhosis automobile specified leather, is characterized in that, comprising: get soft cladding, successively through primary coat, boiling hot, middle painting, top paintings, hot light, fall and bulgingly process and obtain leather finish.
2. the production method of lower shrinkage according to claim 1 low cirrhosis automobile specified leather, is characterized in that, comprises and gets soft cladding; The coating water-soluble with positively charged ion cerate, acrylic resin or carry out primary coat, and dry; Boiling hot with rolling machine; Carry out middle painting with the leather coating that then resin is water-soluble and dry; Carry out top with the coating that acrylic resin ISN, acrylic resin JS, leather cracking resin for synthesizing and leather colorant are water-soluble be coated with and dry; Use rolling machine hot light; Fall drum, obtain finished leather.
3. the production method of lower shrinkage according to claim 1 and 2 low cirrhosis automobile specified leather, is characterized in that, comprising: get soft cladding; Primary coat: add the positively charged ion cerate of 5 ~ 15 mass parts and the acrylic resin of 40 ~ 60 mass parts in 10 ~ 25 DEG C water of 100 mass parts, be uniformly dissolved, forms spray material, described spray material is sprayed on described cladding surface, 80 ~ 100 degrees Celsius of bakings; Boiling hot: the cladding that primary coat completes, after placing at least 2 hours under normal temperature, be placed in temperature 100 ~ 110 degrees Celsius, platen pressure 6 ~ 7 kilograms per square centimetres, boiling hot on the rolling machine of travelling belt transfer rate 0.03 ~ 0.08 metre per second (m/s); Middle painting: the leather then resin adding 8 ~ 15 mass parts in 10 ~ 25 DEG C water of 50 mass parts, is uniformly dissolved, formed spray material, described spray material is sprayed into above-mentioned boiling hot after cladding surface, 80 ~ 100 degrees Celsius of bakings; Top is coated with: in 10 ~ 25 DEG C water of 100 mass parts, add the acrylic resin ISN of 5 ~ 15 mass parts, the acrylic resin JS of 5 ~ 15 mass parts, the cracking resin for synthesizing of 70 ~ 90 mass parts, the leather colorant of 20 ~ 28 mass parts be uniformly dissolved, form material spray, described spray material is sprayed on the surface of the cladding behind above-mentioned midway, 80 ~ 100 degrees Celsius of bakings; Hot light: push up the cladding be coated with, be placed in temperature 90 ~ 110 degrees Celsius, platen pressure 7 ~ 8 kilograms per square centimetres, hot light on the rolling machine of travelling belt transfer rate 0.03 ~ 0.08 metre per second (m/s); Fall drum: fall drum under the cladding normal temperature after hot light 1 ~ 2 hour, obtain leather finish.
4. the production method of a kind of lower shrinkage low cirrhosis automobile specified leather according to any one of claim 1 ~ 3, it is characterized in that: described primary coat is specially: the positively charged ion cerate adding 5 ~ 15 mass parts in 10 ~ 25 DEG C water of 100 mass parts, the acrylic cationic resin of 40-60 mass parts is added again after stirring, stirring and dissolving is even, form spray material, cladding is laid on the travelling belt of spraying machine, transfer rate 0.8 ~ 1.2 metre per second (m/s), open spraying machine and described spray material is sprayed on described cladding surface, consumption 15 ~ 20 grams/square chi, then baking box length 20 meters is placed in, transfer rate 0.05 ~ 0.15 metre per second (m/s), the oven for baking that storing temperature is 80 ~ 100 degrees Celsius, above-mentioned spraying repeats 2 times.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108504798A (en) * | 2018-04-03 | 2018-09-07 | 江苏伊贝实业股份有限公司 | A kind of riding boots leather does old pseudo-classic method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103484577A (en) * | 2013-10-21 | 2014-01-01 | 晋江市香江皮革有限公司 | Production method of flexing-resistant leather |
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- 2015-10-03 CN CN201510637030.8A patent/CN105112573A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103484577A (en) * | 2013-10-21 | 2014-01-01 | 晋江市香江皮革有限公司 | Production method of flexing-resistant leather |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108504798A (en) * | 2018-04-03 | 2018-09-07 | 江苏伊贝实业股份有限公司 | A kind of riding boots leather does old pseudo-classic method |
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Application publication date: 20151202 |