Environmental-friendly synthetic organosilicon leather and method for producing same
A kind of organic silicon synthetic leather, an environment-friendly technology, applied in the direction of final product manufacturing, sustainable manufacturing/processing, textile/flexible product manufacturing, etc., can solve the problem of solvent-prone hazards, difficulty in scraping and embossing patterns, short service life, etc. Problems, to achieve the effect of convenient adaptation to the thickness and speed of glue, easy large-scale production, and strong physical and mechanical properties
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Embodiment 1
[0051] 1. Prepare and mix silicone rubber:
[0052] Polymethyl vinyl siloxane raw rubber (viscosity average molecular weight 600,000, vinyl mole percentage 0.05%) 90kg, polymethyl vinyl siloxane raw rubber (viscosity average molecular weight 600,000, vinyl mole percent content of 0.5%) 70kg, the viscosity is 50mm at 25℃ 2 10 kg of hydroxy silicone oil per s, 3 kg of dimethyldiethoxysilane, put into a 500-liter vacuum kneader, mix evenly, and then add 95 kg of fumed silica AEROSIL200 (manufactured by Evonik Degussa) to Add several times, finally add 0.5 kg of zinc stearate, after forming a large group, control the temperature at 170 ° C, vacuum degree of about 0.09 Mpa, heat treatment for 4 hours, filter and cool.
[0053] 2. Preparation of calendering rubber:
[0054] Put the above mixed silicone rubber into another 500-liter kneader, add 6kg of hydrogen-containing silicone oil with a hydrogen content of 1.0%, 0.12kg of ethynyl cyclohexanol and 0.5kg of black color maste...
Embodiment 2
[0062] Polymethyl vinyl siloxane raw rubber (viscosity average molecular weight 600,000, vinyl mole percent 0.05%) 80kg, polymethyl vinyl siloxane raw rubber (viscosity average molecular weight 600,000, vinyl mole percent content 0.25%) 80kg, viscosity is 50mm at 25℃ 2 7.6kg of hydroxy silicone oil per s, 80kg of fumed silica M-5 (manufactured by Cabot), 0.39kg of glyceryl stearate, 5kg of hydrogen-containing silicone oil with a hydrogen content of 0.8%, allyl maleate 0.2kg of ester, 0.22kg of platinum catalyst (platinum content 4000ppm).
[0063] The preparation process and testing method are the same as in Example 1.
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