CN-122013555-A - Noctilucent organic silicon leather and preparation method thereof

CN122013555ACN 122013555 ACN122013555 ACN 122013555ACN-122013555-A

Abstract

The invention discloses noctilucent organic silicon leather and a preparation method thereof, wherein the noctilucent organic silicon leather comprises a cloth layer, a white silica gel layer, a noctilucent silica gel layer and a wear-resistant layer, and the noctilucent silica gel layer comprises raw materials including vinyl silicone oil, hydrogen-containing silicone oil, gas-phase white carbon black, noctilucent powder, a platinum catalyst, a silane coupling agent, a retarder and an anti-wear agent. The preparation method comprises the steps of preparing a noctilucent silica gel layer, preparing a white silica gel layer, attaching the white silica gel layer to cloth, preparing a wear-resistant layer, and enabling the organic silica leather to be attractive, wear-resistant, ultraviolet-resistant, high-temperature-resistant, ageing-resistant, tear-resistant, waterproof, good in hand feeling, long in service life and capable of being widely applied to various products, particularly to a mobile phone shell and a protective shell, wherein the leather texture, the hand feeling and the noctilucent function enable the mobile phone to produce high-grade, fashionable, cool and technological senses.

Inventors

LIN BIPENG
ZHANG WEI

Assignees

深圳市西陆新材料科技有限公司

Dates

Publication Date: 20260512
Application Date: 20241112

Claims (6)

1. The noctilucent organic silicon leather is characterized by sequentially comprising, from bottom to top, a cloth layer or film, a white silica gel layer, a noctilucent silica gel layer and a wear-resistant layer, wherein the noctilucent silica gel layer comprises, by weight, 70-100 parts of vinyl silicone oil, 2-4 parts of hydrogen-containing silicone oil, 25-40 parts of gas-phase white carbon black, 5-35 parts of noctilucent powder, 0.1-0.5 part of platinum catalyst, 0.5-2 parts of silane coupling agent, 0.1-0.3 part of retarder and 1-3 parts of wear-resistant agent.
2. The preparation method of the noctilucent organic silicon leather is characterized by comprising the following steps: preparing noctilucent silica gel, and coating the noctilucent silica gel on the surface of release paper to prepare a noctilucent silica gel layer; Preparing white silica gel, and coating the white silica gel on the back of the noctilucent silica gel layer to prepare the white silica gel layer; Step three, attaching the white silica gel layer and cloth together, wherein the cloth forms a cloth layer; And step four, coating vulcanized soft rubber on the surface of the noctilucent silica gel layer to prepare the wear-resistant layer.
3. The method for preparing noctilucent organic silicon leather according to claim 2, wherein in the first step, the preparation process of the noctilucent silica gel layer is as follows: S1, selecting vinyl silicone oil, hydrogen-containing silicone oil, gas-phase white carbon black, noctilucent powder, a platinum catalyst, a silane coupling agent, a retarder and an antiwear agent, and mixing and stirring according to the weight part ratio to prepare noctilucent silica gel; S2, coating noctilucent silica gel on the release paper to form a noctilucent silica gel layer, and drying the noctilucent silica gel layer.
4. The preparation method of the noctilucent organic silicon leather according to claim 3, wherein the thickness of the wear-resistant layer is 50-100 microns, the thickness of the noctilucent silica gel layer is 50-250 microns, the thickness of the white silica gel layer is 50-150 microns, and the thickness of the cloth layer is 0.5 mm-0.7 mm.
5. The preparation method of the noctilucent organic silicon leather according to claim 2 is characterized in that the white silicon gel layer comprises, by weight, 70-100 parts of vinyl silicone oil, 2-4 parts of hydrogen-containing silicone oil, 25-40 parts of gas-phase white carbon black, 5-10 parts of white paste, 0.1-0.5 part of platinum catalyst and 0.1-0.3 part of retarder.
6. The preparation method of the noctilucent organic silicon leather according to claim 2, wherein the raw materials of the vulcanized soft rubber comprise synthetic rubber, vulcanizing agent, filler and plasticizer.

Description

Noctilucent organic silicon leather and preparation method thereof Technical Field The invention relates to the technical field of leather, in particular to noctilucent organic silicon leather and a preparation method thereof. Background Leather is classified into two kinds, natural leather and synthetic leather. The leather is mainly applied to fashion industry, becomes the first choice raw material of a plurality of high-end brands, is a focus of fashion items because of attractive textures and colors of the leather, and is widely applied to nursing articles such as shoes, handbags, belts, leather clips and the like, and becomes a fashion representative. 2. Leather is also popular in household and decorative articles, has become a material for a plurality of durable furniture and decorations due to the characteristics of beautiful appearance, easy cleaning, difficult damage and the like, is widely applied to soft decorations such as curtains, back cushions, sofa covers, carpets and the like, and provides a high-quality choice for household decorations. In addition, the leather is also applied to the mobile phone shell and the electronic product, so that the attractive and fashion sense of the mobile phone or the electronic product is improved. At present, natural leather is leather on animals, also called dermis, and the leather has the defects of multiple manufacturing procedures, pollution generated in the production process, high price, limited sources, addition of dye, chemical active substances and the like in the manufacturing process, so that certain application is limited. The synthetic leather mainly comprises PVC, PU and microfiber, wherein a large amount of plasticizer and stabilizer are added in the production process of the PVC synthetic leather, the PVC synthetic leather is difficult to degrade, heavy metals in the stabilizer are more, the environment is polluted after the PVC synthetic leather is abandoned, the PVC synthetic leather is forbidden by countries such as Europe and the like, the PVC synthetic leather is unfavorable for application, the PU synthetic leather is greatly polluted by a large amount of chemical solvent DMF in the production process, the product has residues, the application is limited, the microfiber is called as superfine fiber synthetic leather, and the microfiber has the defects of air impermeability, easiness in scratching, easiness in adhering to dirt and the like and is unfavorable for application. Disclosure of Invention The invention aims to solve the problems, and provides the noctilucent organic silicon leather and the preparation method thereof, wherein the organic silicon leather is attractive in appearance, wear-resistant, ultraviolet-resistant, high-temperature-resistant, aging-resistant, tear-resistant, waterproof, good in hand feeling, long in service life and has a noctilucent function, and meanwhile, the invention provides an efficient preparation method. The luminous organic silicon leather comprises, by weight, 70-100 parts of vinyl silicone oil, 2-4 parts of hydrogen-containing silicone oil, 25-40 parts of gas-phase white carbon black, 5-35 parts of luminous powder, 0.1-0.5 part of platinum catalyst, 0.5-2 parts of silane coupling agent, 0.1-0.3 part of retarder and 1-3 parts of wear-resistant agent from bottom to top. Further, the invention also provides a preparation method of the noctilucent organic silicon leather, which comprises the following steps: preparing noctilucent silica gel, and coating the noctilucent silica gel on the surface of release paper to prepare a noctilucent silica gel layer; Preparing white silica gel, and coating the white silica gel on the back of the noctilucent silica gel layer to prepare the white silica gel layer; Step three, attaching the white silica gel layer and cloth together, wherein the cloth forms a cloth layer; And step four, coating vulcanized soft rubber on the surface of the noctilucent silica gel layer to prepare the wear-resistant layer. Further, in the first step, the preparation process of the noctilucent silica gel layer is as follows: S1, selecting vinyl silicone oil, hydrogen-containing silicone oil, gas-phase white carbon black, noctilucent powder, a platinum catalyst, a silane coupling agent, a retarder and an antiwear agent, and mixing and stirring according to the weight part ratio to prepare noctilucent silica gel; s2, coating noctilucent silica gel on the release paper to form a noctilucent silica gel layer, and drying the noctilucent silica gel layer. Further, the thickness of the wear-resistant layer is 50-100 mu m, the thickness of the noctilucent silica gel layer is 50-250 mu m, the thickness of the white silica gel layer is 50-150 mu m, and the thickness of the cloth layer is 0.5-0.7 mm. The white silica gel layer comprises, by weight, 70-100 parts of vinyl silicone oil, 2-4 parts of hydrogen-containing silicone oil, 25-40 parts of gas-phase white carbon black, 5-10 parts of white paste