CN105178054A - Finishing method for manufacturing yellowing resisting patent leather - Google Patents
Finishing method for manufacturing yellowing resisting patent leather Download PDFInfo
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- CN105178054A CN105178054A CN201510534246.1A CN201510534246A CN105178054A CN 105178054 A CN105178054 A CN 105178054A CN 201510534246 A CN201510534246 A CN 201510534246A CN 105178054 A CN105178054 A CN 105178054A
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Abstract
The invention relates to the technology field of a method for finishing leather, and provides a finishing method for manufacturing yellowing resisting patent leather. The finishing method comprises the following process steps in order: ironing crust leather, grinding surface, grinding back, mending blemishes, grinding surface, blowing ash and cleaning surface, carrying out spaying for once, carrying out roller coating for once, carrying out ironing, carrying out the roller coating for twice, and carrying out the roller coating for twice, wherein the roller coating steps are carried out with yellowing resisting materials. According to the physical mode provided by the invention, the yellowing resisting materials can effectively penetrate and be attached to a crust leather surface structure, so the yellowing resisting coating is effectively formed on the crust leather surface, the yellowing resisting coating is not easy to be peeled, and the yellowing resisting function of the crust leather is effectively realized. The method has the advantages of simple process steps and operation convenience, and the finishing method is suitable for large-scale production; the yellowing resisting materials selected for the coating have simple compositions, and do not contain unnecessary chemical components, so that damage to other performances of the crust leather caused by unnecessary chemical components is avoided; accordingly, a finished product leather processed by the method has original leather performances and yellowing resistance at the same time, so that usage demands of the patent leather are satisfied, and the practicality is high.
Description
Technical field
The present invention relates to the coating method technical field of leather, particularly a kind of coating method making color inhibition patent leather.
Background technology
Concerning light coat of paint, there is a ubiquitous problem, it is exactly easy xanthochromia, object xanthochromia and illumination, temperature, air and the chemical substance that contacts etc. are relevant, for coat of paint goods used in everyday, illumination is its major influence factors, sunlight middle-ultraviolet lamp can make some structures in molecule change, cause and produce chromophoric group and auxochrome group, cause the generation of xanthochromia, xanthochromia is the result that coat of paint material structure changes, and not only affects its outward appearance and organoleptic properties, is also that one of signal of deterioration occurs its performance.
Summary of the invention
Therefore, for above-mentioned problem, the present invention proposes a kind of coating method making color inhibition patent leather, adopt physics mode effectively to make color inhibition infiltration adhere to crust leather surface texture, make the effective formation in crust leather surface color inhibition coating, color inhibition coating is not easily peeled off, crust leather effectively reaches color inhibition, and processing step is simple, easy to operate, be applicable to production and application quantitatively.
For realizing above-mentioned technical problem, the solution that the present invention takes is: a kind of coating method making color inhibition patent leather, comprise following processing step: the crust leather ironing → flour milling → mill back of the body → benefit wound → flour milling → blow ash to wash one's face → primary coat → middle painting 1 → ironing → middle painting 2 → top is coated with, component and the content of described benefit wound mending agente used are repairing paste 50-60 weight portion, bleeding agent 40-50 weight portion, delustring filler 80-100 weight portion; Described primary coat slurry therewith component and content are high viscosity polyurethane resin 18-22 weight portion, ethylene glycol ethyl ether 18-22 weight portion, water 55-65 weight portion; Described middle painting 1 is color inhibition synthesis resin 50-60 weight portion with middle painting 2 slurry therewith component and content, delustring filler 10-15 weight portion, high physical property aliphatic polyurethane 70-80 weight portion, acrylic resin 20-30 weight portion, pigment paste 30-40 weight portion; Described top is coated with slurry therewith component and content is anti-yellowing polyurethane brightener 190-210 part, butyl acetate 20-25 weight portion.
Further, described processing step is:
(1) crust leather ironing: crust leather roller examination ironing machine ironing, roller speed is 10m/min, and temperature controls at 78-82 DEG C, and pressure is 380-420N;
(2) flour milling: the crust leather after ironing carries out flour milling process, first manually looks for mill, then with the polishing of whole of No. 320 sand paper;
(3) grind the back of the body: No. 320 sand paper of the crust leather after flour milling carry out the process of whole the mill back of the body to its flesh noodles;
(4) mend wound: scrape benefit with the whole Zhang Shougong of mending agente, described mending agente consumption is 3g/sf;
(5) flour milling: the crust leather of wound of making amends for one's faults first is used whole the flour milling process of No. 600 sand paper, then the sand paper of No. 800 whole flour milling process;
(6) blow ash to wash one's face: the thin ash that crust leather top bevel and the mill back of the body produce blows down clean by the crust leather tracheae after flour milling;
(7) primary coat: spray a time with 8 rifle examination flush coaters, parameter is rotating disk speed 170r/min, and transmitting speed is 150m/min, and air pressure is 0.15MPa, and bake out temperature is 68-72 DEG C;
(8) be coated with 1 in: with coating roller roller coating one time, roller pressure is 580-620N, and the time is 3 seconds, and bake out temperature is 78-82 DEG C;
(9) press: roll type ironing machine presses, roller speed controls at 78-82 DEG C for 10m/min temperature, and pressure is 380-420N;
(10) be coated with 2 in: with coating roller roller coating two times, roller pressure is 580-620N, and the time is 3 seconds, and bake out temperature is 78-82 DEG C;
(11) push up painting: coating roller roller coating two times, roller pressure is 580-620N, and the time is 3 seconds, and bake out temperature is 78-82 DEG C.
Further, described repairing paste is at least one in MA-77-390 (Si Taer leather chemical corporation, Ltd.), PREFONDORC/FULL (Ning Baidi Specialty Chemical Co., Ltd), MANOstucco-9032 (Tag leather chemical corporation, Ltd.); Described bleeding agent is at least one in P-800 (Henry Pi Hua Co., Ltd), SolvenonPM (BASF joint-stock company), MANOPE-9064 (Tag leather chemical corporation, Ltd.); Described delustring filler is at least one in FILLERFD (Ilyushin Chemical Co., Ltd.), EudermMattingAgentSN-C (Lang Sheng Co., Ltd).
Further, described high viscosity polyurethane resin is at least one in RODAPURWX1418 (De Rui leather technology Co., Ltd), RU20-73-989 (Si Taer leather chemical corporation, Ltd.); Described ethylene glycol ethyl ether is technical pure;
Further, described color inhibition synthesis resin is at least one in RC-2349 (Si Taer leather chemical corporation, Ltd.), CAREPC-5101 (Tag leather chemical corporation, Ltd.), C-38 (Ning Baidi Specialty Chemical Co., Ltd); Described high physical property aliphatic polyurethane is at least one in RU-3901 (Si Taer leather chemical corporation, Ltd.), CAREPU-6209 (Tag leather chemical corporation, Ltd.); Described acrylic resin is at least one in PrimalSB150 (Lang Sheng Co., Ltd), PrimalSB300 (Lang Sheng Co., Ltd), RA-1079 (Si Taer leather chemical corporation, Ltd.); Described pigment paste is without junket extra white (the capable material company of Hong Linhua).
Further, described anti-yellowing polyurethane brightener is at least one in LU-100 (Zhong Pitianqing trade Co., Ltd), LU-D (Zhong Pitianqing trade Co., Ltd); Described butyl acetate is technical pure.
By adopting preceding solution, the invention has the beneficial effects as follows: the coating method of described making color inhibition patent leather, by effective combination of processing step and color inhibition material selection, physics mode is adopted effectively to make color inhibition infiltration adhere to crust leather surface texture, make the effective formation in crust leather surface color inhibition coating, color inhibition coating is not easily peeled off, crust leather is effectively made to reach the effect of color inhibition, processing step of the present invention is simple, easy to operate, be applicable to production and application quantitatively, the composition of the color inhibition material that coating is selected is simple, not containing unnecessary chemical composition, avoid the damage that unnecessary chemical composition causes for other performances of crust leather, therefore, the resultant Leather made by the coating method of making color inhibition patent leather of the present invention also has yellowing resistance when keeping its original Leather Properties, after testing, folding 50000 coatings of resultant Leather of the present invention are without damaged (according to Chinese light industry standard QB/T2714-2005), reciprocating friction COLOR FASTNESS dry wet hair felt is 5 grades (according to Chinese light industry standard QB/T2537-2001), grade is become into 4-5 level (according to A method in chemical industry in China standard HG/T3689-2014) through the look of 6 h light resultant Leather at 60 DEG C, therefore, the resultant Leather made by the coating method of making color inhibition patent leather of the present invention can meet the user demand of patent leather, practical.
Detailed description of the invention
Below by specific embodiment, the present invention is specifically described; to the present invention, how application technology means solve technical problem whereby; and the implementation procedure reaching technique effect can fully understand and implement according to this; what be necessary to herein means out is that the present embodiment is only used to further illustrate the present invention; can not be interpreted as limiting the scope of the invention, the person skilled in the art in this field can make some nonessential improvement and adjustment according to the content of the invention described above.
If do not specialize, the conventional means that the technological means adopted in embodiment is well known to those skilled in the art, the reagent adopted and product be also can business obtain.The various process do not described in detail and method are conventional methods as known in the art, source, the trade name of agents useful for same and be necessary to list its constituent person, all indicate when occurring first.
Make a coating method for color inhibition patent leather, comprise following processing step:
(1) crust leather ironing: crust leather roller examination ironing machine ironing, roller speed is 10m/min, and temperature controls at 80 DEG C, and pressure is 400N;
(2) flour milling: the crust leather after ironing carries out flour milling process, first manually looks for mill, then with the polishing of whole of No. 320 sand paper;
(3) grind the back of the body: No. 320 sand paper of the crust leather after flour milling carry out the process of whole the mill back of the body to its flesh noodles;
(4) mend wound: scrape benefit with the whole Zhang Shougong of mending agente, described mending agente consumption is 3g/sf; Described mending agente component and content are: repairing paste MANOstucco-9032 (Tag leather chemical corporation, Ltd.) 55 weight portions, bleeding agent P-800 (Henry Pi Hua Co., Ltd) 45 weight portions, delustring filler FILLERFD (Ilyushin Chemical Co., Ltd.) 90 weight portions;
(5) flour milling: the crust leather of wound of making amends for one's faults first is used whole the flour milling process of No. 600 sand paper, then the sand paper of No. 800 whole flour milling process;
(6) blow ash to wash one's face: the thin ash that crust leather top bevel and the mill back of the body produce blows down clean by the crust leather tracheae after flour milling;
(7) primary coat: spray a time with 8 rifle examination flush coaters, parameter is rotating disk speed 170r/min, transmitting speed is 150m/min, air pressure is 0.15MPa, bake out temperature is 70 DEG C, and described primary coat slurry therewith component and content are: high viscosity polyurethane resin RU20-73-989 (Si Taer leather chemical corporation, Ltd.) 20 weight portions, ethylene glycol ethyl ether (technical pure, Quanzhou Yong Qiang trade Co., Ltd) 20 weight portions, water 60 weight portion;
(8) be coated with 1 in: with coating roller roller coating one time, roller pressure is 600N, time is 3 seconds, bake out temperature is 80 DEG C, described middle painting 1 slurry therewith component and content are: color inhibition synthesis resin RC-2349 (Si Taer leather chemical corporation, Ltd.) 55 weight portions, delustring filler FILLERFD (Ilyushin Chemical Co., Ltd.) 12 weight portions, high physical property aliphatic polyurethane RU-3901 (Si Taer leather chemical corporation, Ltd.) 75 weight portions, acrylic resin SB300 (Lang Sheng Co., Ltd) 25 weight portions, pigment paste is without junket extra white (the capable material company of Hong Linhua) 35 weight portions,
(9) press: roll type ironing machine presses, roller speed controls at 80 DEG C for 10m/min temperature, and pressure is 400N;
(10) be coated with 2 in: with coating roller roller coating two times, roller pressure is 600N, time is 3 seconds, bake out temperature is 80 DEG C, described middle painting 2 slurry therewith component and content are: color inhibition synthesis resin RC-2349 (Si Taer leather chemical corporation, Ltd.) 55 weight portions, delustring filler FILLERFD (Ilyushin Chemical Co., Ltd.) 12 weight portions, high physical property aliphatic polyurethane RU-3901 (Si Taer leather chemical corporation, Ltd.) 75 weight portions, acrylic resin SB300 (Lang Sheng Co., Ltd) 25 weight portions, pigment paste is without junket extra white (the capable material company of Hong Linhua) 35 weight portions,
(11) push up painting: coating roller roller coating one time, roller pressure is 600N, time is 3 seconds, bake out temperature is 80 DEG C, described top is coated with slurry therewith component and content is anti-yellowing polyurethane brightener LU-100 (Zhong Pitianqing trade Co., Ltd) 200 weight portions, butyl acetate (technical pure, Quanzhou Yong Qiang trade Co., Ltd) 23 weight portions.
Resultant Leather after the coating method process of above-mentioned making color inhibition patent leather is detected, after testing, folding 50000 coatings of resultant Leather are without damaged (according to Chinese light industry standard QB/T2714-2005), reciprocating friction COLOR FASTNESS dry wet hair felt is 5 grades (according to Chinese light industry standard QB/T2537-2001), grade is become into 4-5 level (according to A method in chemical industry in China standard HG/T3689-2014) through the look of 6 h light resultant Leather at 60 DEG C, therefore, the resultant Leather made by the coating method of making color inhibition patent leather of the present invention also has yellowing resistance when keeping its original Leather Properties, the user demand of patent leather can be met, practical.
The coating method of making color inhibition patent leather in sum, processing step is simple, easy to operate, on the basis that original patent leather makes, by using the material of color inhibition to make color inhibition patent leather become a reality, and other performances of resultant Leather are without impact, meet the user demand of patent leather.
Above, be only the embodiment utilizing this origination techniques content, the modification that any those skilled in the art use this creation to do, change, all belong to the scope of the claims that this creation is advocated, and be not limited to those disclosed embodiments.
Claims (6)
1. one kind makes the coating method of color inhibition patent leather, it is characterized in that, comprise following processing step: the crust leather ironing → flour milling → mill back of the body → benefit wound → flour milling → blow ash to wash one's face → primary coat → middle painting 1 → ironing → middle painting 2 → top is coated with, component and the content of described benefit wound mending agente used are repairing paste 50-60 weight portion, bleeding agent 40-50 weight portion, delustring filler 80-100 weight portion; Described primary coat slurry therewith component and content are high viscosity polyurethane resin 18-22 weight portion, ethylene glycol ethyl ether 18-22 weight portion, water 55-65 weight portion; Described middle painting 1 is color inhibition synthesis resin 50-60 weight portion with middle painting 2 slurry therewith component and content, delustring filler 10-15 weight portion, high physical property aliphatic polyurethane 70-80 weight portion, acrylic resin 20-30 weight portion, pigment paste 30-40 weight portion; Described top is coated with slurry therewith component and content is anti-yellowing polyurethane brightener 190-210 part, butyl acetate 20-25 weight portion.
2. a kind of coating method making color inhibition patent leather according to claim 1, it is characterized in that, described processing step is:
(1) crust leather ironing: crust leather roller examination ironing machine ironing, roller speed is 10m/min, and temperature controls at 78-82 DEG C, and pressure is 380-420N;
(2) flour milling: the crust leather after ironing carries out flour milling process, first manually looks for mill, then with the polishing of whole of No. 320 sand paper;
(3) grind the back of the body: No. 320 sand paper of the crust leather after flour milling carry out the process of whole the mill back of the body to its flesh noodles;
(4) mend wound: scrape benefit with the whole Zhang Shougong of mending agente, described mending agente consumption is 3g/sf;
(5) flour milling: the crust leather of wound of making amends for one's faults first is used whole the flour milling process of No. 600 sand paper, then the sand paper of No. 800 whole flour milling process;
(6) blow ash to wash one's face: the thin ash that crust leather top bevel and the mill back of the body produce blows down clean by the crust leather tracheae after flour milling;
(7) primary coat: spray a time with 8 rifle examination flush coaters, parameter is rotating disk speed 170r/min, and transmitting speed is 150m/min, and air pressure is 0.15MPa, and bake out temperature is 68-72 DEG C;
(8) be coated with 1 in: with coating roller roller coating one time, roller pressure is 580-620N, and the time is 3 seconds, and bake out temperature is 78-82 DEG C;
(9) press: roll type ironing machine presses, roller speed controls at 78-82 DEG C for 10m/min temperature, and pressure is 380-420N;
(10) be coated with 2 in: with coating roller roller coating two times, roller pressure is 580-620N, and the time is 3 seconds, and bake out temperature is 78-82 DEG C;
(11) push up painting: coating roller roller coating two times, roller pressure is 580-620N, and the time is 3 seconds, and bake out temperature is 78-82 DEG C.
3. a kind of coating method making color inhibition patent leather according to claim 1, is characterized in that: described repairing paste is at least one in MA-77-390 (Si Taer leather chemical corporation, Ltd.), PREFONDORC/FULL (Ning Baidi Specialty Chemical Co., Ltd), MANOstucco-9032 (Tag leather chemical corporation, Ltd.); Described bleeding agent is at least one in P-800 (Henry Pi Hua Co., Ltd), SolvenonPM (BASF joint-stock company), MANOPE-9064 (Tag leather chemical corporation, Ltd.); Described delustring filler is at least one in FILLERFD (Ilyushin Chemical Co., Ltd.), EudermMattingAgentSN-C (Lang Sheng Co., Ltd).
4. a kind of coating method making color inhibition patent leather according to claim 1, is characterized in that: described high viscosity polyurethane resin is at least one in RODAPURWX1418 (De Rui leather technology Co., Ltd), RU20-73-989 (Si Taer leather chemical corporation, Ltd.); Described ethylene glycol ethyl ether is technical pure.
5. a kind of coating method making color inhibition patent leather according to claim 1, is characterized in that: described color inhibition synthesis resin is at least one in RC-2349 (Si Taer leather chemical corporation, Ltd.), CAREPC-5101 (Tag leather chemical corporation, Ltd.), C-38 (Ning Baidi Specialty Chemical Co., Ltd); Described high physical property aliphatic polyurethane is at least one in RU-3901 (Si Taer leather chemical corporation, Ltd.), CAREPU-6209 (Tag leather chemical corporation, Ltd.); Described acrylic resin is at least one in PrimalSB150 (Lang Sheng Co., Ltd), PrimalSB300 (Lang Sheng Co., Ltd), RA-1079 (Si Taer leather chemical corporation, Ltd.); Described pigment paste is without junket extra white (the capable material company of Hong Linhua).
6. a kind of coating method making color inhibition patent leather according to claim 1, is characterized in that: described anti-yellowing polyurethane brightener is at least one in LU-100 (Zhong Pitianqing trade Co., Ltd), LU-D (Zhong Pitianqing trade Co., Ltd); Described butyl acetate is technical pure.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676703A (en) * | 2020-05-29 | 2020-09-18 | 明新孟诺卡(浙江)新材料有限公司 | Direct coating process of high-simulation full-aqueous microfiber leather special for automotive interiors |
| CN113265190A (en) * | 2021-04-30 | 2021-08-17 | 晋江市永建皮革制品有限公司 | Processing formula, processing technology and equipment for white yellowing-resistant cow double-layer leather |
| CN114015817A (en) * | 2021-10-21 | 2022-02-08 | 兴业皮革科技股份有限公司 | Method for manufacturing environment-friendly water-based paint leather |
| CN116837152A (en) * | 2023-05-06 | 2023-10-03 | 杭州牧知家具有限公司 | Novel integrated furniture cattle leather and manufacturing method thereof |
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| CN202925363U (en) * | 2012-03-12 | 2013-05-08 | 广州市宏伟皮革有限公司 | Water-based wear-resistant synthetic leather |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676703A (en) * | 2020-05-29 | 2020-09-18 | 明新孟诺卡(浙江)新材料有限公司 | Direct coating process of high-simulation full-aqueous microfiber leather special for automotive interiors |
| CN113265190A (en) * | 2021-04-30 | 2021-08-17 | 晋江市永建皮革制品有限公司 | Processing formula, processing technology and equipment for white yellowing-resistant cow double-layer leather |
| CN114015817A (en) * | 2021-10-21 | 2022-02-08 | 兴业皮革科技股份有限公司 | Method for manufacturing environment-friendly water-based paint leather |
| CN114015817B (en) * | 2021-10-21 | 2022-11-25 | 兴业皮革科技股份有限公司 | Method for manufacturing environment-friendly water-based paint leather |
| CN116837152A (en) * | 2023-05-06 | 2023-10-03 | 杭州牧知家具有限公司 | Novel integrated furniture cattle leather and manufacturing method thereof |
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| CN105178054B (en) | 2018-01-12 |
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