Non-bleeding transparent silicone additives for plastics

Details Non-bleeding transparent silicone additives for plastics Non-bleeding transparent silicone additives for plastics

C - Chemistry, Metallurgy

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C08L 101/00 (2006.01) C08G 77/04 (2006.01) C08L 25/06 (2006.01) C08L 27/06 (2006.01) C08L 33/06 (2006.01) C08L 67/02 (2006.01) C08L 69/00 (2006.01) C08L 83/04 (2006.01)

Patent

CA 1173590

NON-BLEEDING TRANSPARENT SILICONE ADDITIVES FOR PLASTICS Abstract Phenyl containing siloxane fluids are added to transparent thermoplastic polymers to give transparent thermoplastics having improved internal lubrication. For example, PhSi(OMe)3 is equilibrated with (Me2SiO)x to give a fluid containing 28 percent by weight phenyl radicals, a PhSiO3/2 to Me2SiO ratio of 0.72 and an OMe to Si ratio of 0.78. This fluid is added to polystyrene in amount of 1 percent by weight to give a transparent plastic which exhibits no bleed and has excellent surface lubricity.

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