CN102677481B - Micro suede artificial leather and manufacturing method thereof - Google Patents

Micro suede artificial leather and manufacturing method thereof Download PDF

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Publication number
CN102677481B
CN102677481B CN 201210135590 CN201210135590A CN102677481B CN 102677481 B CN102677481 B CN 102677481B CN 201210135590 CN201210135590 CN 201210135590 CN 201210135590 A CN201210135590 A CN 201210135590A CN 102677481 B CN102677481 B CN 102677481B
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China
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leather
artificial leather
polyurethane
polyurethane fabric
fabric layer
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CN 201210135590
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Chinese (zh)
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CN102677481A (en
Inventor
苏奕富
林芙蓉
张彬
陈炳琪
陈金章
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福建宝利特集团有限公司
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Priority to CN 201210135590 priority Critical patent/CN102677481B/en
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Abstract

The invention provides a micro suede artificial leather. The micro suede artificial leather is composed of a polyurethane fabric layer, a bonding layer and a chamois leather flannelette layer, the bonding layer is located between the polyurethane fabric layer and the chamois leather flannelette layer, a fuzzing of the chamois leather flannelette layer is bonded to the bonding layer, uneven grains are arranged on the surface of the polyurethane fabric layer, fissured grains are arranged at positions of dimpled grains of the polyurethane fabric layer and on the bonding layer which the dimpled grains correspond to, and fluffs of the chamois leather flannelette layer are exposed out of the fissured grains. According to the micro suede artificial leather, the micro suede artificial leather is close to genuine leather, feels good, is good in breathability and scratch resistance, the micro suede artificial leather feels highly fluffy, and the fluffs are not prone to fall off when scratched. Besides, a manufacturing method of the micro suede artificial leather is further provided.

Description

A kind of imitative chamois leather artificial leather and manufacture method thereof

Technical field

The invention belongs to the artificial leather field, particularly a kind of imitative chamois leather artificial leather and manufacture method thereof.

Background technology

Existing imitative chamois leather artificial leather is fitted by the chamois leather material after base cloth, high temperature forms chamois leather material surface blister formation fine hair, its surface layer is the chamois leather material, nexine is base cloth, the sense of touch of this imitative chamois leather artificial leather, gas permeability and fine hair sense are all poor, and because its fine hair directly is exposed, so scratch resistance is poor, easily falls hair.

Summary of the invention

In order to overcome the defect of above-mentioned prior art, technical problem to be solved by this invention is to provide imitative chamois leather artificial leather and the manufacture method thereof that a kind of scratch resistance is good, gas permeability is good.

In order to solve the problems of the technologies described above, the technical solution used in the present invention one is:

A kind of imitative chamois leather artificial leather, comprise polyurethane fabric layer, tack coat and suede nap layer of cloth, described tack coat is between polyurethane fabric layer and suede nap layer of cloth, villous surface and the tack coat of described suede nap layer of cloth fit, the surface of described polyurethane fabric layer is provided with concavo-convex alternate lines, tack coat corresponding to the dimpled grain place of described polyurethane fabric layer and dimpled grain place is provided with crackle, and cracks is exposed the fine hair of described suede nap layer of cloth.

Imitative chamois leather artificial leather of the present invention is different from prior art, has the following advantages:

1, its surface layer is polyurethane fabric, nexine is the chamois leather flannelette, and no matter polyurethane fabric compares the chamois leather material all closer to corium on outward appearance or performance, and sense of touch is good, and chamois leather flannelette itself with high emulation fine hair can expose by the crackle of tack coat and polyurethane fabric layer, simulated effect is good;

2, due to crackle all being arranged on polyurethane fabric layer and tack coat, so gas permeability is greatly improved;

Therefore 3, the fine hair due to the chamois leather flannelette is not directly to be exposed, but exposes by cracks, is not vulnerable to scraping and falls hair, and the scratch resistance of imitative chamois leather artificial leather is greatly improved.

In order to solve the problems of the technologies described above, another technical scheme that the present invention adopts is:

A kind of manufacture method of imitative chamois leather artificial leather comprises the following steps:

Step 1, material are prepared: select chamois leather flannelette and lines release liners, preparation polyurethane fabric slurry and polyurethane coating medium;

In this step, chamois leather flannelette difference, nap effect is also different, the preferred 75D144F class fluffing of the present invention base cloth, its fine hair sense is good; Described lines release liners is the textured release liners of binding face band, and current most of release liners is this release liners of the lines with lines.The selection of lines release liners of the present invention not only is related to the lines pattern of imitative chamois leather artificial leather, but also can have influence on the follow-up processing difficulty or ease that line is processed of rubbing.Employing is than the lines release liners on coarse groove road, and the dimpled grain of the lines of the imitative chamois leather artificial leather obtained and the thickness difference at burr place are larger, the easy stressed cracking in dimpled grain place when rubbing line and processing and the fine hair of chamois leather flannelette is exposed, and difficulty of processing is lower; And if the lines of lines release liners is thinner, the dimpled grain of the lines of the imitative chamois leather artificial leather obtained and the Thickness Ratio at burr place are more approaching, rub when line is processed the technological parameters such as the dynamics of rubbing line will accurately controlled, time, so that dimpled grain cracking time can not make the burr cracking, this has strengthened undoubtedly rubs the difficulty of processing that line is processed.Therefore, the present invention is preferably than the lines release liners on coarse groove road, and the thickness difference at the dimpled grain of its lines and burr place is advisable more than 1mm, and the kind of lines release liners is preferred U.S. SAPPI and Japanese LINTEC release liners.

Step 2, the polyurethane fabric slurry gapless for preparing is coated with and scrapes post-drying on the lines release liners and form the polyurethane fabric layer, the one side that the polyurethane fabric layer combines with the lines release liners presents dimpled grain and the burr that the lines with the lines release liners is complementary, and another side is plane;

In this step, the polyurethane fabric slurry is preferably formulated by the levelling agent of the polyurethane resin of 100 weight portions, the dimethyl formamide of 50 ~ 80 weight portions-butanone mixture and 0.1 ~ 0.3 weight portion, wherein, levelling agent is preferably the levelling agent that the product type that German Bi Ke company produces is BYK-9565, gapless is coated with the process of scraping and can be realized by artificial or mechanically actuated steel disc cutter, the polyurethane fabric slurry that rear release liners dimpled grain place is scraped in painting many (being the burr part of polyurethane fabric layer after drying), the polyurethane fabric slurry at release liners burr place few (being the dimpled portions of polyurethane fabric layer after drying), through drying, the volatile substances such as moisture in the polyurethane fabric slurry are fallen again, thereby form the polyurethane fabric layer of solid forms on release liners, the one side that the polyurethane fabric layer combines with the lines release liners presents dimpled grain and the burr that the lines with the lines release liners is complementary, another side is plane, the painting amount of scraping of polyurethane fabric slurry is preferably 20 ~ 50g/m 3, be coated with the amount of scraping very little, be not enough to form the polyurethane fabric layer, be coated with the amount of scraping too large, the polyurethane fabric layer formed is too thick, is unfavorable for that the follow-up line of rubbing processes dimpled grain is split.

Step 3, the polyurethane coating medium for preparing evenly is coated with to scrape on the polyurethane fabric layer forms tack coat;

In this step, the polyurethane coating medium is preferably formulated by the levelling agent of the polyurethane resin of 100 weight portions, the dimethyl formamide of 20 ~ 50 weight portions-butanone mixture and 0.1 ~ 0.3 weight portion; The painting process of scraping can be realized by artificial or mechanically actuated steel disc cutter; The painting amount of scraping of polyurethane coating medium can be adjusted according to needs of production, its Main Function is bonding suede nap layer of cloth and polyurethane fabric layer, the tack coat that rear formation is scraped in painting is thick in this step, in step 4, is dried and forms solid-state tack coat.

Step 4, by the villous surface of chamois leather flannelette and the tack coat post-drying that fits, remove release liners and obtain artificial leather;

Step 5, artificial leather is put into to boarding machine rub line, the tack coat corresponding to dimpled grain place and dimpled grain place of polyurethane fabric layer cracked, expose the fine hair of chamois leather flannelette.

In this step, rub the purpose of line processing and be not only the feel of the imitative chamois leather artificial leather of raising and the clear sense of lines, prior purpose is to make the tack coat corresponding to dimpled grain place and dimpled grain place of polyurethane fabric layer to crack, thereby exposes the fine hair of the chamois leather flannelette of nexine.Because the fine hair of chamois leather flannelette is not directly to be exposed, but expose by cracks, therefore be not vulnerable to scraping and fall hair, the scratch resistance of imitative chamois leather artificial leather is greatly improved, and the existence of crackle has also improved the gas permeability of imitative chamois leather artificial leather greatly.

As the improved procedure of the technical program, further comprising the steps of between step 4 and step 5: after artificial leather is crossed to water by tank, extract, wherein, the aqueous solution in tank is formulated by the water-soluble hand feeling agent of the water of 100 weight portions and 0 ~ 10 weight portion.The purpose of this step is to remove the central residual solvent of artificial leather and improves feel and the performance of imitating the chamois leather artificial leather, water-soluble hand feeling agent is penetrated in imitative chamois leather artificial leather, can improve the flexibility of imitative chamois leather artificial leather, strengthen the performances such as waterproof, mildew-resistant, moisture-proof wiping and surface anti sticking company of imitative chamois leather artificial leather, thereby improved feel and the performance of imitative chamois leather artificial leather.Preferably, described water-soluble hand feeling agent is silicone compound.The hand feeling agent preferred, that the product type that described water-soluble hand feeling agent is the production of Luo Xing chemical company is RX-110.

It should be noted that, for above-mentioned improved procedure, the line of rubbing in step 5 is processed an effect in addition, improves the osmotic evenness of water-soluble hand feeling agent, thereby has further improved feel and the performance of imitative chamois leather artificial leather.

Adopt the manufacture method of imitative chamois leather artificial leather of the present invention, not only technique is simple, and the simulated effect of the imitative chamois leather artificial leather made is good, good permeability, scratch resistance are good.

The accompanying drawing explanation

Figure 1 shows that a kind of process chart of imitative chamois leather artificial leather manufacture method of the present invention.

Figure 2 shows that the another kind of process chart of imitative chamois leather artificial leather manufacture method of the present invention.

The specific embodiment

Embodiment 1

With reference to the imitative chamois leather artificial leather of the present invention of preparation shown in Fig. 1, specifically comprise:

1, material is prepared;

(1) chamois leather flannelette: 75D144F class fluffing base cloth;

Lines release liners: U.S. SAPPI release liners;

Levelling agent: BYK-9565, German Bi Ke;

Water-soluble hand feeling agent: RX-110, the Luo Xing chemical industry;

(2) preparation polyurethane fabric slurry: stir after the levelling agent of the dimethyl formamide of the polyurethane resin of 100 weight portions, 50 weight portions-butanone mixture and 0.1 weight portion is mixed standby;

(3) preparation polyurethane coating medium: stir after the levelling agent of the dimethyl formamide of the polyurethane resin of 100 weight portions, 20 weight portions-butanone mixture and 0.1 weight portion is mixed standby;

2, the formation of polyurethane fabric layer;

Adopt steel disc cutter gapless to be coated with in the polyurethane fabric slurry prepared and scrape on the lines release liners, the painting amount of scraping of slurry is 20g/m 3, be coated with and scraped post-drying formation polyurethane fabric layer;

3, the formation of tack coat;

Adopt the steel disc cutter evenly to be coated with to scrape on the polyurethane fabric layer polyurethane coating medium prepared and form tack coat;

4, the villous surface of chamois leather flannelette and tack coat are fitted post-drying, remove release liners and obtain artificial leather;

5, rubbing line processes;

Artificial leather is put into to boarding machine and rub line, the tack coat corresponding to dimpled grain place and dimpled grain place of polyurethane fabric layer cracked, expose the fine hair of chamois leather flannelette.

Embodiment 2

With reference to the imitative chamois leather artificial leather of the present invention of preparation shown in Fig. 2, specifically comprise:

1, material is prepared;

(1) chamois leather flannelette: 75D144F class fluffing base cloth;

Lines release liners: U.S. SAPPI release liners;

Levelling agent: BYK-9565, German Bi Ke;

Water-soluble hand feeling agent: RX-110, the Luo Xing chemical industry;

(2) preparation polyurethane fabric slurry: stir after the levelling agent of the dimethyl formamide of the polyurethane resin of 100 weight portions, 80 weight portions-butanone mixture and 0.3 weight portion is mixed standby;

(3) preparation polyurethane coating medium: stir after the levelling agent of the dimethyl formamide of the polyurethane resin of 100 weight portions, 50 weight portions-butanone mixture and 0.3 weight portion is mixed standby;

2, the formation of polyurethane fabric layer;

Adopt steel disc cutter gapless to be coated with in the polyurethane fabric slurry prepared and scrape on the lines release liners, the painting amount of scraping of slurry is 50g/m 3, be coated with and scraped post-drying formation polyurethane fabric layer;

3, the formation of tack coat;

Adopt the steel disc cutter evenly to be coated with to scrape on the polyurethane fabric layer polyurethane coating medium prepared and form tack coat;

4, the villous surface of chamois leather flannelette and tack coat are fitted post-drying, remove release liners and obtain artificial leather;

5, after being crossed to water by tank, artificial leather extracts;

Wherein, the aqueous solution in tank is formulated by the water-soluble hand feeling agent of the water of 100 weight portions and 10 weight portions;

6, rubbing line processes;

Artificial leather is put into to boarding machine and rub line, the tack coat corresponding to dimpled grain place and dimpled grain place of polyurethane fabric layer cracked, expose the fine hair of chamois leather flannelette.

Embodiment 3

With reference to the imitative chamois leather artificial leather of the present invention of preparation shown in Fig. 2, specifically comprise:

1, material is prepared;

(1) chamois leather flannelette: 75D144F class fluffing base cloth;

Lines release liners: U.S. SAPPI release liners;

Levelling agent: BYK-9565, German Bi Ke;

Water-soluble hand feeling agent: RX-110, the Luo Xing chemical industry;

(2) preparation polyurethane fabric slurry: stir after the levelling agent of the dimethyl formamide of the polyurethane resin of 100 weight portions, 60 weight portions-butanone mixture and 0.2 weight portion is mixed standby;

(3) preparation polyurethane coating medium: stir after the levelling agent of the dimethyl formamide of the polyurethane resin of 100 weight portions, 30 weight portions-butanone mixture and 0.2 weight portion is mixed standby;

2, the formation of polyurethane fabric layer;

Adopt steel disc cutter gapless to be coated with in the polyurethane fabric slurry prepared and scrape on the lines release liners, the painting amount of scraping of slurry is 25g/m 3, be coated with and scraped post-drying formation polyurethane fabric layer;

3, the formation of tack coat;

Adopt the steel disc cutter evenly to be coated with to scrape on the polyurethane fabric layer polyurethane coating medium prepared and form tack coat;

4, the villous surface of chamois leather flannelette and tack coat are fitted post-drying, remove release liners and obtain artificial leather;

5, after being crossed to water by tank, artificial leather extracts;

6, rubbing line processes;

Artificial leather is put into to boarding machine and rub line, the tack coat corresponding to dimpled grain place and dimpled grain place of polyurethane fabric layer cracked, expose the fine hair of chamois leather flannelette.

Embodiment 4

With reference to the imitative chamois leather artificial leather of the present invention of preparation shown in Fig. 2, specifically comprise:

1, material is prepared;

(1) chamois leather flannelette: 75D144F class fluffing base cloth;

Lines release liners: U.S. SAPPI release liners;

Levelling agent: BYK-9565, German Bi Ke;

Water-soluble hand feeling agent: RX-110, the Luo Xing chemical industry;

(2) preparation polyurethane fabric slurry: stir after the levelling agent of the dimethyl formamide of the polyurethane resin of 100 weight portions, 60 weight portions-butanone mixture and 0.2 weight portion is mixed standby;

(3) preparation polyurethane coating medium: stir after the levelling agent of the dimethyl formamide of the polyurethane resin of 100 weight portions, 30 weight portions-butanone mixture and 0.2 weight portion is mixed standby;

2, the formation of polyurethane fabric layer;

Adopt steel disc cutter gapless to be coated with in the polyurethane fabric slurry prepared and scrape on the lines release liners, the painting amount of scraping of slurry is 25g/m 3, be coated with and scraped post-drying formation polyurethane fabric layer;

3, the formation of tack coat;

Adopt the steel disc cutter evenly to be coated with to scrape on the polyurethane fabric layer polyurethane coating medium prepared and form tack coat;

4, the villous surface of chamois leather flannelette and tack coat are fitted post-drying, remove release liners and obtain artificial leather;

5, after being crossed to water by tank, artificial leather extracts;

Wherein, the aqueous solution in tank is formulated by the water-soluble hand feeling agent of the water of 100 weight portions and 5 weight portions;

6, rubbing line processes;

Artificial leather is put into to boarding machine and rub line, the tack coat corresponding to dimpled grain place and dimpled grain place of polyurethane fabric layer cracked, expose the fine hair of chamois leather flannelette.

The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.

Claims (8)

1. an imitative chamois leather artificial leather, it is characterized in that: comprise polyurethane fabric layer, tack coat and suede nap layer of cloth, described tack coat is between polyurethane fabric layer and suede nap layer of cloth, villous surface and the tack coat of described suede nap layer of cloth fit, the surface of described polyurethane fabric layer is provided with concavo-convex alternate lines, tack coat corresponding to the dimpled grain place of described polyurethane fabric layer and dimpled grain place is provided with crackle, and crackle is for exposing the fine hair of described suede nap layer of cloth.
2. the manufacture method of an imitative chamois leather artificial leather comprises the following steps:
Step 1, material are prepared: select chamois leather flannelette and lines release liners, preparation polyurethane fabric slurry and polyurethane coating medium;
Step 2, the polyurethane fabric slurry gapless for preparing is coated with and scrapes post-drying on the lines release liners and form the polyurethane fabric layer, the one side that the polyurethane fabric layer combines with the lines release liners presents dimpled grain and the burr that the lines with the lines release liners is complementary, and another side is plane;
Step 3, the polyurethane coating medium for preparing evenly is coated with to scrape on the polyurethane fabric layer forms tack coat;
Step 4, by the villous surface of chamois leather flannelette and the tack coat post-drying that fits, remove release liners and obtain artificial leather;
Step 5, artificial leather is put into to boarding machine rub line, the tack coat corresponding to dimpled grain place and dimpled grain place of polyurethane fabric layer cracked, expose the fine hair of chamois leather flannelette.
3. imitative chamois leather artificial leather manufacture method according to claim 2, it is characterized in that: further comprising the steps of between step 4 and step 5: after artificial leather is crossed to water by tank, extract, wherein, the aqueous solution in tank is formulated by the water-soluble hand feeling agent of the water of 100 weight portions and 0~10 weight portion.
4. imitative chamois leather artificial leather manufacture method according to claim 3, it is characterized in that: described water-soluble hand feeling agent is silicone compound.
5. imitative chamois leather artificial leather manufacture method according to claim 2, it is characterized in that: described polyurethane fabric slurry is formulated by the levelling agent of the polyurethane resin of 100 weight portions, the dimethyl formamide of 50~80 weight portions-butanone mixture and 0.1~0.3 weight portion.
6. imitative chamois leather artificial leather manufacture method according to claim 2, it is characterized in that: described polyurethane coating medium is formulated by the levelling agent of the polyurethane resin of 100 weight portions, the dimethyl formamide of 20~50 weight portions-butanone mixture and 0.1~0.3 weight portion.
7. imitative chamois leather artificial leather manufacture method according to claim 2, it is characterized in that: in step 2, the painting amount of scraping of polyurethane fabric slurry is 20~50g/m2.
8. imitative chamois leather artificial leather manufacture method according to claim 2 is characterized in that: described chamois leather flannelette is 75D144F class fluffing base cloth.
CN 201210135590 2012-05-03 2012-05-03 Micro suede artificial leather and manufacturing method thereof CN102677481B (en)

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Application Number Priority Date Filing Date Title
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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104233843B (en) * 2014-09-10 2016-08-17 桐乡市龙翔纺织有限责任公司 A kind of production technology of PU film leather
CN104674563A (en) * 2015-02-13 2015-06-03 福建宝利特集团有限公司 Artificial leather and preparation method thereof
CN105178041B (en) * 2015-08-24 2017-12-22 扬州市德运塑业科技股份有限公司 A kind of production technology of the cold-resistant high artificial leather coating fabric thoroughly of concavo-convex granular pattern
CN107747231A (en) * 2017-11-22 2018-03-02 浙江申腾涂层织物有限公司 A kind of artificial leather feel composite ventilating removes from office production method
CN108659508A (en) * 2018-05-15 2018-10-16 昆山协孚新材料股份有限公司 Dolphin leather synthetic leather, skin velvet fabric and preparation method using dolphin leather synthetic leather
CN108659507A (en) * 2018-05-15 2018-10-16 昆山协孚新材料股份有限公司 Dutch suede synthetic leather, fabric product and preparation method using Dutch suede synthetic leather
CN109098008A (en) * 2018-08-20 2018-12-28 福建华夏合成革有限公司 A kind of suede nap ultra-soft albumen leather

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CN201080575Y (en) * 2007-07-27 2008-07-02 海宁市顺达印花装饰品有限责任公司 Composite fabric with concave-convex grain
CN201416115Y (en) * 2009-07-03 2010-03-03 海宁市顺达印花装饰品有限责任公司 Leather imitating textile fabric made through adopting graded printing, releasing and transferring technology
CN102409552A (en) * 2011-09-02 2012-04-11 福建宝利特集团有限公司 Preparation method of environment-friendly foamed artificial leather

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Publication number Priority date Publication date Assignee Title
CN201080575Y (en) * 2007-07-27 2008-07-02 海宁市顺达印花装饰品有限责任公司 Composite fabric with concave-convex grain
CN201416115Y (en) * 2009-07-03 2010-03-03 海宁市顺达印花装饰品有限责任公司 Leather imitating textile fabric made through adopting graded printing, releasing and transferring technology
CN102409552A (en) * 2011-09-02 2012-04-11 福建宝利特集团有限公司 Preparation method of environment-friendly foamed artificial leather

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Address after: 350300 Fuqing City, Fujian Province, Jiangyin Industrial Zone, the holy Road

Patentee after: FUJIAN POLYTECH TECHNOLOGY CORP. LTD.

Address before: 350309 Sheng Lu, Jiangyin industrial concentration area, Fuzhou, Fujian, Fuqing

Patentee before: Fujian Polytech Group Co., Ltd.