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Polysiloxane of the inter-penetrator root network structure - and poly acrylic polymer material, and its production method, the moldings
Polysiloxane of the inter-penetrator root network structure - and poly acrylic polymer material, and its production method, the moldings
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机译:互穿性根网结构的聚硅氧烷和聚丙烯酸聚合物材料及其生产方法,成型品
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摘要
The polysiloxane network (1) of said polymer material is formed by (1a) at least one alpha , omega -dihydroxylated polydimethylsiloxane and/or one alpha , omega -dihydroxylated poly(dimethyldiphenyl)siloxane having at least 70 % of dimethylsiloxane patterns; (1b) a crosslinking agent and/or a bridging agent providing for the crosslinking as well as a link between the networks; optionally (1c) a polycondensation catalyst. The acrylic network (2) is formed by (2a) at least one (meth)acrylic monomer without hydrophylic functional group; optionally (2b) a crosslinking agent and (2c) a radical polymerization initiator. The polymerization mixture contains all these constituents, and a sufficient quantity of a free radical-forming inhibitor to initially prevent the initiator (2c) to produce radicals which, combined with the catalyst (1c), would anihilate the catalytic properties of the catalyst, to form the network (1) before the network (2). Application: fabrication of articles of all shapes.
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