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Mirror surface release paper for synthesizing leather

A technology for synthetic leather and release paper, applied in the field of paper products, can solve the problems of orange peel phenomenon, inability to meet production needs, and reduced glossiness

Active Publication Date: 2010-04-07
CHINA LUCKY FILM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the increase in the number of repeated uses, the orange peel phenomenon occurs on the surface of the leather release paper, and the glossiness decreases significantly, which cannot meet the production needs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0069] Preparation of multifunctional layer coating solution:

[0070] Kaolin 30;

[0071] Styrene-acrylic emulsion 20;

[0072] water 30;

[0073] water glass 1;

[0074] Sodium dodecyl sulfonate 3;

[0075] First pour 1 part by weight of water glass [Laiyang Hengxin Chemical Co., Ltd.] into 30 parts by weight of water, stir evenly, and pour 30 parts by weight of kaolin [Maoming Yinhua Kaolin Industry Co., Ltd. model: YH-04], Use high-speed stirring to disperse it evenly, add 20 parts by weight of styrene-acrylic emulsion [German BASF model: 296DS solid content: 50%] to the dispersed slurry, mix the solution evenly with a glass rod, and then add 3 parts by weight of Sodium dodecylsulfonate is added therein, and the stirring is continued to make a multi-functional layer coating liquid, which is ready for use.

[0076]Use a doctor blade to coat the multi-functional layer coating solution on a 200-gram photographic base paper, heat at 80°C for 30 seconds to solidify to form...

Embodiment 2

[0078] Preparation of multifunctional layer coating solution:

[0079] Clay 50;

[0080] Talc powder 30;

[0081] Styrene-butadiene emulsion 40;

[0082] Styrene-acrylic emulsion 40;

[0083] water 30;

[0084] Sodium hexametaphosphate 5;

[0085] Dodecyldimethylbenzylammonium chloride 2;

[0086] First pour 5 parts by weight of sodium hexametaphosphate [Hubei Zhongnanhua Light Organic Materials Co., Ltd.] into 30 parts by weight of water, stir evenly, and pour 50 parts by weight of clay [Shenzhen Warner Special Materials Co., Ltd. ] and 30 parts by weight of talcum powder [Haicheng Xuefeng High-grade Talc Powder Factory], use high-speed stirring to disperse it evenly, and add 40 parts by weight of styrene-butadiene emulsion [German Bayer model: F2040 solid content: 50%] and 40 parts by weight of styrene-acrylic emulsion [German BASF model: 296DS solid content: 50%], the solution is mixed evenly with a glass rod, and then 2 parts by weight of dodecyl dimethyl benzyl chlo...

Embodiment 3

[0089] Preparation of multifunctional layer coating solution:

[0090] Calcium carbonate 80;

[0091] Pure acrylic emulsion 20;

[0092] water 80;

[0093] Sodium polyacrylate 2;

[0094] Lauryl betaine 5;

[0095] First pour 2 parts by weight of sodium polyacrylate [Guangzhou Zongwang New Material Technology Co., Ltd. model: N-30] into 80 parts by weight of water, stir evenly, and pour 80 parts by weight of calcium carbonate [Jiangxi Guangyuan Chemical Co., Ltd. model: CC-2000], use high-speed stirring to disperse it evenly, add 20 parts by weight of pure acrylic emulsion [German Bayer model: F2040 solid content: 50%] in the dispersed slurry, use a glass rod Mix the solution evenly, add 5 parts by weight of dodecyl betaine therein, continue to stir evenly, and prepare a multi-functional layer coating liquid for use.

[0096] The multi-functional layer coating solution was coated on a 180-gram photographic base paper with a doctor blade, heated at 80° C. for 30 seconds, a...

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PUM

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Abstract

The invention relates to mirror surface release paper for synthesizing leather, comprising a substrate and a release layer. A functional layer is arranged between the substrate and the release layer, and after the improvement, the functional layer is calendered at the temperature of 80-200 DEG C and the linear pressure of 80-150kN / m. The mirror surface release paper has the roughness profile arithmetical mean deviation Ra of less than 0.8 Mum, the micro roughness ten-point height Rz of less than 4.0 Mum and the glossiness of more than 90 percent at the 60-degree angle measured according to the ISO-2813 standard. The mirror surface release paper has high glossiness and the mirror surface effect.

Description

technical field [0001] The invention relates to a paper product, in particular to a release paper for synthetic leather. Background technique [0002] There are many ways to manufacture synthetic leather, and one of the common methods is: coating synthetic leather composition on leather release paper, such as urethane resin, vinyl chloride resin, polyamide resin and amino resin, so that After drying or curing, the composition is coated with an adhesive, pasted with fabric base cloth, etc., and the synthetic leather is obtained by peeling the leather release paper from the synthetic leather composition. The synthetic leather manufactured by this method is to copy the surface state of the leather release paper to the synthetic leather, so it can be obtained by improving the appearance of the leather release paper and increasing the surface gloss of the leather release paper. , high-gloss synthetic leather. [0003] At present, there are multiple techniques for preparing leat...

Claims

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Application Information

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IPC IPC(8): D21H19/66D21H23/72D21H23/34D21H25/08
Inventor 成志秀柳青王莉范云峰
Owner CHINA LUCKY FILM CORP
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