Silicone composition windshield wiper blades and process for...

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 83/04 (2006.01) B29C 69/00 (2006.01) B29C 70/58 (2006.01) B60S 1/38 (2006.01) C08L 83/07 (2006.01) B29C 47/00 (2006.01)

Patent

CA 2069575

A windshield wiper blade capable of inexpensive manufacture and having good wipe quality comprises approximately 100 parts by weight of a vulcanizable elastomer including at least one silicone polymer, and about 75 to 220 parts by weight of a siliceous filler dispersed in the elastomer. The siliceous filler preferably includes a substantial portion of particles having a relatively large diameter in the range of 5 to 100 microns in order to lower the coefficient of friction of the wiper blade with respect to automotive windshield glass.

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