Organosilicon synthetic leather adopting three-layer structure and preparation method thereof
A technology of organosilicon synthetic leather and three-layer structure, which is applied in the direction of chemical instruments and methods, synthetic resin layered products, lamination, etc., and can solve problems such as easy to absorb dust, poor scratch resistance, and large surface friction
Active Publication Date: 2014-05-28
江西赛欧特科新材料有限公司
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Problems solved by technology
The disadvantage is that the wear resistance, smoothness and anti-dust absorption of the surface material are not described, and the practicability is not good
[0012] CN201342821Y, CN1021174262A and CN202247476U etc. have invented the use of release film, embossing treatment and additional decorative adhesive layer to give silicone leather surface lines and patterns, but they have not stated that additional layers have effects on wear resistance, smoothness and anti-adsorption dust. any improvement
[0013] To sum up, the previous work started from different application directions and proposed some solutions to the problems of silicone leather in terms of slippery feeling, dust absorption resistance, adhesive strength, wear resistance and scratch resistance, etc. Clearly and completely propose a technical solution that can comprehensively solve the problems of high surface friction, easy to absorb dust, poor bond strength, poor wear resistance and poor scratch resistance in silicone synthetic leather composite materials
Method used
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Embodiment 1
[0067] The organosilicon synthetic leather of the three-layer structure of the present embodiment is formed by sequentially bonding the base material, the bottom layer glue and the surface layer glue; the bottom layer glue includes the following components in mass percentage:
[0068]
[0069] The surface layer glue includes the following components in mass percentage:
[0070]
[0071]
[0072] In the above-mentioned bottom layer adhesive and surface layer adhesive, polydimethylsiloxane containing 3 hydrogen atoms of Si-H-based cross-linking agent directly connected to Si, the hydrogen atoms are located in the side chain, the content of hydrogen atoms is 0.5%, and the cross-linking The agent is linear;
[0073] In the above-mentioned primer and surface glue, the platinum catalyst is a chloroplatinic acid-divinyltetramethyldisiloxane complex, and the content of Pt atoms is 2000ppm;
[0074] Among the above surface glues, R 3 SiX Links and SiX 4 The molar ratio of t...
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Abstract
The invention discloses organosilicon synthetic leather adopting a three-layer structure and a preparation method thereof. The organosilicon synthetic leather is bonded by a base material, bottom layer glue and surface layer glue in sequence. According to the organosilicon synthetic leather adopting the three-layer structure, through the reasonable design of the chemical composition of the bottom layer glue and the surface layer glue, the bottom layer glue provides a firm interlamination bonding function for the two connecting surfaces under the combined action of various chemical reactions, and is endowed with the characteristics of softness and smoothness of the organosilicon synthetic leather, the surface layer glue is endowed with the characteristics of being dry, comfortable and wearable of the organosilicon synthetic leather, so that the organosilicon synthetic leather has the characteristics that dust adsorption is reduced, and the wear resistance, the scrape resistance and the scratch resistance are improved.
Description
technical field [0001] The invention belongs to the technical field of synthetic leather. More specifically, the invention relates to a three-layer organosilicon synthetic leather with soft, smooth, dry and wear-resistant properties and a preparation method thereof. Background technique [0002] Silicone synthetic leather is a composite material composed of textile (or synthetic leather) base material, primer glue, surface glue and surface coating layer bonded in sequence. [0003] Compared with the very popular and best-selling polyurethane synthetic leather in the market, silicone synthetic leather has not achieved substantial promotion. The fundamental reason is the excellent cost performance of polyurethane synthetic leather. However, polyurethane synthetic leather always has defects in toxicity, environmental protection, weather resistance and water resistance, while silicone materials have environmental protection, weather resistance and hydrophobic properties, so sili...
Claims
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IPC IPC(8): D06N3/18B32B27/18B32B27/28B32B37/02B32B38/16
Inventor 康旭韩进贤黄胜
Owner 江西赛欧特科新材料有限公司
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