CN103602764A - Production process of anti-staining automobile interior leather - Google Patents
Production process of anti-staining automobile interior leather Download PDFInfo
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- CN103602764A CN103602764A CN201310576210.0A CN201310576210A CN103602764A CN 103602764 A CN103602764 A CN 103602764A CN 201310576210 A CN201310576210 A CN 201310576210A CN 103602764 A CN103602764 A CN 103602764A
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Abstract
The invention relates to the field of the manufacturing of industrial leather, and in particular relates to a production process of anti-staining automobile interior leather. The production process comprises the steps of soaking, fleshing, liming, fleshing splitting, deliming, softening, pickling, tanning, aging, shaving, conditioning, retanning, neutralizing, dyeing, electrostatic conditioning, wringing stretching, wet vibrating, vacuum drying, vibrating, milling, bottom layer coating, electrostatic treatment, knurling, intermediate painting, anti-staining top layer preparing, anti-staining reinforced layer preparing, measuring and warehousing, wherein anti-staining top layer paint and anti-staining reinforced layer paint are respectively proportioned according to the appropriate components and then are sprayed onto the leather surface according to the appropriate coating amount, and then the leather is dried. Through the combined action of different functions, not only is the anti-staining performance strong, but also the anti-staining effect is remarkable, stains which are not repelled are easy to scrub and clean due to the difficulty in combination and permeation, and the automobile interior leather which is anti-staining and easy to clean can be achieved.
Description
Technical field
The present invention relates to industrial hides and manufacture field, relate in particular to a kind of production technique of anti-soil type interior leather for automobiles.
Background technology
Current medium-to-high grade car is all equipped with intradermal dressing leather (corium cushion leather, leather steering wheel leather etc.), leather is made through techniques such as fleshing, deliming, softening, tanning, retanning, dyeing, dry, primary coat, embossing, painted, top paintings by ox-hide conventionally, the following problem of existing automotive trim leather ubiquity:
1. for meeting automobile cushion leather, be close to harsh performance and test request, the leather products for seat cushions seems that plate is hard always in appearance both at home and abroad, and dullness, lacks elasticity and soft feel(ing), has lost leather as the due natural characteristic of natural product;
2. all there is the i.e. problem of stain resistance not of obvious familiar lacunas in beautiful or light-colored leather, and be subject to more after market and complain;
3. to join automobile corium interior trim Disposing rate high for height, fashion atmosphere and comfortable, but after using, generally feel leather seat difficultly safeguard, difficult clean, cannot allow automotive trim leather is environmental and ecological can keep again clean pleasing for a long time.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of production technique of anti-soil type interior leather for automobiles, can anti-soil and easy to clean.
For addressing the above problem, technical scheme of the present invention is: a kind of production technique of anti-soil type interior leather for automobiles, comprise criticize → immersion → fleshing → liming → fleshing split → deliming of group → softening → pickling → tanning → ageing → shaving → rewetting → retanning → neutralization → dyeing, stretch → wet vibration → vacuum-drying of static conditioning → water squeezing → soft → covering with paint → gage warehouse-in vibrates → falls, the concrete steps of described retanning are first the good white skin of shaving or blue skin to be dropped into rotary drum rewetting washing 2-3 time, add the low VOC acrylic resin of retanning filler, low VOC retanning agent, TARA tannin extract and polymer aliphatic hydrocarbon fatting agent, total add-on is 5 wt %, 10 wt%, 6 wt% and 12wt%, reaction solid-to-liquid ratio is 200-230%, total reaction time is 2H.By reasonable selection and the collocation of retanning filler and fatting agent, can be step by step using brother chemicals repeatedly, make stuffing even, retanning filling effect is good, absorb completely, reach long-time leather body softness flexible, moist, effectively improve finished leather related property and feel, as photostabilization, pliability and physical strength etc.
Preferably, the concrete steps of described dyeing, static conditioning are for adding negative dyestuff and levelling agent, and total add-on is 2-10 wt %, 2 wt%, after reaction 1H, adds static conditioning agent ESA, and proportion is 3 wt%, and the reaction times is: 0.5H.Under hygrometric state condition, improve and the state of charge of various ions in naturally mildly adjusting skin, eliminate the ion of strong polarity, guarantee the anti-soil treatment effect in later stage.
Preferably, vacuum-drying is the cryodrying vacuumizing under condition, and drying temperature is 48-55 ℃, and be 350S time of drying.Low-temperature vacuum drying technique can effectively be removed the organic sporadic material of leather inside, aldehyde, benzene homologues content of leather etc. have been reduced, the more important thing is, avoided the impact of high temperature drying on leather quality, guarantee that weak property ion, at intracutaneous combination stability, also reduces cross direction elongation simultaneously, dwindle difference and fiber mechanics strength difference horizontal, longitudinal tensile strain rate, increase finished product constancy and appropriate tensility, guarantee that fixed load elongation is stabilized in proper range.
Preferably, described covering with paint process comprises priming paint, Electrostatic Treatment, embossing, pigmented layer, antifouling top layer and antifouling strengthening layer, described priming paint is counted each component by weight: water-based paint cream 12, matting agent 12, tenderizer 15, middle flexible polyurethane resin 40, middle rigid polyurethane resin 15, organic silicon hand feeling agent 1, water 5, after each component stirs evenly with 15g/m
2amount be rolled onto surface, drying temperature 120 degree, time of drying 3-5 minute; Electrostatic Treatment: leather is after primary coat is dry, surface is with electric charge of different nature, easily adsorb various dusts and fiber, this technique makes leather pass through the static removal equipment with static eliminator device, clearance control 15cm, by to eliminate positive and negative charge on skin, then by pressurized air, rotate blower fan and remove dust and the fiber that surface is infected with, for next procedure is got ready smoothly one by one; Described antifouling top layer coating is counted by weight each component and is: water-based paint cream 2, water 15, hand feeling agent 6, delustring urethane 40, light urethane 15, linking agent 10, anti-fouling material 12, after each component stirs evenly with 40g/ m
2discharge rate spray to surface, bake out temperature 120 degree; Described antifouling strengthening layer coating is counted by weight each component and is: delustring polytetrafluoroethyl-ne alkene copolymer 25, and light tetrafluoroethylene copolymer 10, hand feeling agent 9, linking agent 6, water 20, light vinylformic acid 10, mat acrylic 20, glue spread is controlled at 14g/ m
2, drying temperature 120 degree.Antifouling, the water-repellancy of antifouling top layer with the crosslinking degree of molecular resin, the content of wetting ability free radical is directly related, crosslinking degree is higher, free radical lacks, between molecular chain, reticulated structure is more perfect, resistant, water resistant, perspiration resistance are just better, antifouling strengthening layer is that top is coated with the anti-soil novel material that material is equipped with multiple stable performance, at leather surface, form fine and closely woven protective membrane, make leather can not only resist penetrating into of dirt, do not receive dirt, more dirt is produced to repulsive interaction, allow pollutent cannot dissolve in top layer; Secondly because the fine and closely woven protective membrane that leather surface forms has also stoped entering of dirt.The acting in conjunction of several functions makes this product, and not only pollution resistance is strong, resistant successful, and some pollution of not being ostracised is also because being difficult to combination and infiltration, and easy scrub also becomes.
The automotive trim leather products that the present invention produces has the advantages such as strong anti-soil, fast light, ageing-resistant and leather body softness, hand feel and drape, color and luster be even.Project Product " strong anti-soil interior leather for automobiles " is mainly used in medium-to-high grade car.This project is by the use of multistage retanning and static conditioning technology, wet adjust type and vacuum drying process, high-efficiency environment friendly primary coat technology and antifouling some row technology of intensive treatment technology, make finished leather there is stronger wear resisting property and stain resistance, make dirtyly can receive nowhere.Make simultaneously product there is skin body hand feel and drape, softness, without soapy feeling, the advantage such as gloss is evenly soft, and ageing-resistant performance is stable.
Embodiment
Below in conjunction with embodiment, further describe the present invention.
Embodiment
A kind of production technique of anti-soil type interior leather for automobiles, comprise the stretch → wet vibration → vacuum-drying → soft → priming paint → electric charge processing → embossing → pigmented layer → antifouling top layer → antifouling strengthening layer that vibrates → fall → gage of criticize → immersion → fleshing → liming → fleshing split → deliming of group → softening → pickling → tanning → ageing → shaving → rewetting → retanning → neutralization → dyeing, static conditioning → water squeezing warehouse-in
The concrete steps of wherein said retanning are first the good white skin of shaving or blue skin to be dropped into rotary drum rewetting washing 2-3 time, add the low VOC acrylic resin of retanning filler RV, low VOC retanning agent FO, TARA tannin extract and polymer aliphatic hydrocarbon fatting agent HP and AS, total add-on is followed successively by 5 wt %, 10 wt%, 6 wt%, 6 wt% and 6 wt%, reaction solid-to-liquid ratio is 200-230%, and total reaction time is 2H.By reasonable selection and the collocation of retanning filler and fatting agent, can be step by step using brother chemicals repeatedly.
The concrete steps that described dyeing, electric charge are unclogged and readjusted are for adding negative dyestuff and Levelling Agent N F, and total add-on is 2-10 wt %, 2 wt%, after reaction 1H, add static conditioning agent ESA, and proportion is 3 wt%, and the reaction times is: 0.5H.
Described vacuum-drying is the cryodrying vacuumizing under condition, and drying temperature is 48-55 ℃, and be 350S time of drying.
Described covering with paint process comprises priming paint, Electrostatic Treatment, embossing, pigmented layer, antifouling top layer and antifouling strengthening layer, and described priming paint is counted by weight each component and is: 2000,12 parts of water-based paint cream NEOSAN; Matting agent SN-C, 12 parts; Tenderizer SOFT S-C, 15 parts; Middle flexible polyurethane resin DLV, 40 parts; Middle rigid polyurethane resin LB, 15 parts; Organic silicon hand feeling agent 2290W, 1 part; 5 parts, water; Amount with 15g/ m2 after each component stirs evenly is rolled onto surface, drying temperature 120 degree, time of drying 3-5 minute.Electrostatic Treatment: leather is after primary coat is dry, surface is with electric charge of different nature, easily adsorb various dusts and fiber, this technique makes leather pass through the static removal equipment with static eliminator device, clearance control 15cm, by to eliminate positive and negative charge on skin, then by pressurized air, rotate blower fan and remove dust and the fiber that surface is infected with, for next procedure is got ready smoothly one by one.Described antifouling top layer coating is counted by weight each component and is: 2000,2 parts of water-based paint cream NEOSAN; 15 parts, water; Hand feeling agent 2229W, 6 parts; 200,40 parts of delustring urethane MATT; Light urethane HPV-C, 15 parts; Linking agent XL-50,10 parts; Anti-fouling material EX-CT-43372,12 parts; Discharge rate with 40g/ m2 after each component stirs evenly sprays to surface, bake out temperature 120 degree.Described antifouling strengthening layer coating is counted by weight each component and is: delustring polytetrafluoroethyl-ne alkene copolymer X-SHIELD L, 25 parts; Light polytetrafluoroethyl-ne alkene copolymer X-SHIELD G, 10 parts; Hand feeling agent GF, 9 parts; Linking agent YK, 6 parts; 20 parts, water; Light vinylformic acid CL-1,10 parts; Mat acrylic AD-1,20 parts; Glue spread is controlled at 14g/ m2, drying temperature 120 degree.
What more than enumerate is only specific embodiments of the invention, obviously, the invention is not restricted to above embodiment.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention, all should belong to protection scope of the present invention.
Claims (6)
1. the production technique of an anti-soil type interior leather for automobiles, comprise criticize → immersion → fleshing → liming → fleshing split → deliming of group → softening → pickling → tanning → ageing → shaving → rewetting → retanning → neutralization → dyeing, stretch → wet vibration → vacuum-drying of static conditioning → water squeezing → soft → covering with paint → gage warehouse-in vibrates → falls, it is characterized in that, the concrete steps of described retanning are first the good white skin of shaving or blue skin to be dropped into rotary drum rewetting washing 2-3 time, add the low VOC acrylic resin of retanning filler, low VOC retanning agent, TARA tannin extract and polymer aliphatic hydrocarbon fatting agent, total add-on is 5 wt %, 10 wt%, 6 wt% and 12wt%, reaction solid-to-liquid ratio is 200-230%, total reaction time is 2H.
2. the production technique of anti-soil type interior leather for automobiles according to claim 1, it is characterized in that, the concrete steps of described dyeing, static conditioning are for adding negative dyestuff and levelling agent, total add-on is 2-10 wt %, 2 wt%, after reaction 1H, add static conditioning agent ESA, proportion is 3 wt%, and the reaction times is: 0.5H.
3. the production technique of anti-soil type interior leather for automobiles according to claim 1, is characterized in that, described vacuum-drying is the cryodrying vacuumizing under condition, and drying temperature is 48-55 ℃, and be 350S time of drying.
4. the production technique of anti-soil type interior leather for automobiles according to claim 1, it is characterized in that, described covering with paint process comprises priming paint, Electrostatic Treatment, embossing, pigmented layer, antifouling top layer and antifouling strengthening layer, and described priming paint is counted by weight each component and is: water-based paint cream 12, matting agent 12, tenderizer 15, middle flexible polyurethane resin 40, middle rigid polyurethane resin 15, organic silicon hand feeling agent 1, water 5, after each component stirs evenly with 15g/m
2amount be rolled onto surface, drying temperature 120 degree, time of drying 3-5 minute.
5. the production technique of anti-soil type interior leather for automobiles according to claim 4, it is characterized in that, described antifouling top layer coating is counted by weight each component and is: water-based paint cream 2, water 15, hand feeling agent 6, delustring urethane 40, light urethane 15, linking agent 10, anti-fouling material 12, after each component stirs evenly with 40g/ m
2discharge rate spray to surface, bake out temperature 120 degree.
6. according to the production technique of the anti-soil type interior leather for automobiles described in claim 4 or 5, it is characterized in that, described antifouling strengthening layer coating is counted by weight each component and is: delustring polytetrafluoroethyl-ne alkene copolymer 25, light tetrafluoroethylene copolymer 10, hand feeling agent 9, linking agent 6, water 20, light vinylformic acid 10, mat acrylic 20, glue spread is controlled at 14g/ m
2, drying temperature 120 degree.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114320A (en) * | 2016-08-16 | 2016-11-16 | 海宁富邦汽车内饰有限公司 | A kind of anti-soil type automobile cushion leather |
| CN106273856A (en) * | 2016-08-04 | 2017-01-04 | 海宁富邦汽车内饰有限公司 | A kind of noise reducing type automobile cushion leather and processing technique thereof |
| CN107151503A (en) * | 2017-05-24 | 2017-09-12 | 贝内克-长顺汽车内饰材料（张家港）有限公司 | It is a kind of for hot water resistance paint of PVC interior decoration leathers and preparation method thereof |
| CN107312895A (en) * | 2017-08-04 | 2017-11-03 | 海宁森德皮革有限公司 | A kind of production method of negative oxygen ion multi-purpose vehicle(MPV) interior trim leather |
| CN108018382A (en) * | 2016-11-03 | 2018-05-11 | 现代自动车株式会社 | The manufacture method of mixing natural leather with excellent presentation quality and durability |
| CN109351567A (en) * | 2018-09-19 | 2019-02-19 | 江苏瑞康安全装备有限公司 | Artificial leather suitcase and bag method for plating film on surface |
| CN111304382A (en) * | 2020-03-02 | 2020-06-19 | 明新旭腾新材料股份有限公司 | Method for improving wet-rub resistance of Nappa-style automobile interior leather |
| CN111518964A (en) * | 2020-05-07 | 2020-08-11 | 柏德皮革(中国)有限公司 | Production process of leather capable of being disinfected |
| CN111850179A (en) * | 2020-07-30 | 2020-10-30 | 浙江奥康鞋业股份有限公司 | First layer cowhide leather making process and first layer cowhide leather shoes |
| CN114778436A (en) * | 2022-06-22 | 2022-07-22 | 南通珂然机械制造有限公司 | Leather softening detection device |
| CN115213072A (en) * | 2021-12-09 | 2022-10-21 | 广州汽车集团股份有限公司 | Stain-resistant light-color leather automobile seat fabric |
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| CN110714101A (en) * | 2019-09-26 | 2020-01-21 | 辽宁富新新材料有限公司 | Drying process of chrome-free tanned leather blank |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273856A (en) * | 2016-08-04 | 2017-01-04 | 海宁富邦汽车内饰有限公司 | A kind of noise reducing type automobile cushion leather and processing technique thereof |
| CN106114320A (en) * | 2016-08-16 | 2016-11-16 | 海宁富邦汽车内饰有限公司 | A kind of anti-soil type automobile cushion leather |
| CN108018382B (en) * | 2016-11-03 | 2021-07-23 | 现代自动车株式会社 | Method for producing blended natural leather having excellent appearance quality and durability |
| CN108018382A (en) * | 2016-11-03 | 2018-05-11 | 现代自动车株式会社 | The manufacture method of mixing natural leather with excellent presentation quality and durability |
| CN107151503A (en) * | 2017-05-24 | 2017-09-12 | 贝内克-长顺汽车内饰材料（张家港）有限公司 | It is a kind of for hot water resistance paint of PVC interior decoration leathers and preparation method thereof |
| CN107312895B (en) * | 2017-08-04 | 2020-05-05 | 海宁森德皮革有限公司 | Production method of multifunctional negative oxygen ion automobile interior leather |
| CN107312895A (en) * | 2017-08-04 | 2017-11-03 | 海宁森德皮革有限公司 | A kind of production method of negative oxygen ion multi-purpose vehicle(MPV) interior trim leather |
| CN109351567A (en) * | 2018-09-19 | 2019-02-19 | 江苏瑞康安全装备有限公司 | Artificial leather suitcase and bag method for plating film on surface |
| CN111304382A (en) * | 2020-03-02 | 2020-06-19 | 明新旭腾新材料股份有限公司 | Method for improving wet-rub resistance of Nappa-style automobile interior leather |
| CN111518964A (en) * | 2020-05-07 | 2020-08-11 | 柏德皮革(中国)有限公司 | Production process of leather capable of being disinfected |
| CN111850179A (en) * | 2020-07-30 | 2020-10-30 | 浙江奥康鞋业股份有限公司 | First layer cowhide leather making process and first layer cowhide leather shoes |
| CN115213072A (en) * | 2021-12-09 | 2022-10-21 | 广州汽车集团股份有限公司 | Stain-resistant light-color leather automobile seat fabric |
| CN114778436A (en) * | 2022-06-22 | 2022-07-22 | 南通珂然机械制造有限公司 | Leather softening detection device |
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Denomination of invention: Production process of an anti fouling automotive interior leather Effective date of registration: 20230529 Granted publication date: 20151021 Pledgee: Zhejiang Haining Rural Commercial Bank Co.,Ltd. Pledgor: HAINING SENDE LEATHER Co.,Ltd. Registration number: Y2023980042053 |
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