Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1994-12-06
1996-06-11
Dean, Ralph H.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524269, 524434, 524437, 524588, 524731, 524779, 524786, 524863, 524864, C08K 554
Patent
active
055256600
ABSTRACT:
An organopolysiloxane composition contains (A) a both end hydroxyl-blocked diorganopolysiloxane, (B) an inert diorganopolysiloxane, (C) a silane or siloxane having at least three hydrolyzable functional groups, (D) an organosilane having at least two alkoxy groups each attached to a silicon atom and one mercapto group separated from a silicon atom by an alkylene group or a partial hydrolyzate thereof, (E) an organosilane having at least two alkoxy groups each attached to a silicon atom and one amino group separated from a silicon atom by an alkylene group or a partial hydrolyzate thereof, (F) a condensation catalyst, and (G) a fine powder, typically of polycarbonate, having a mean particle size of 0.1-50 .mu.m. The composition is useful as a surface treating agent for cured rubber moldings for imparting non-tackiness, water repellency and lubricity to the rubber surface and forming a long-lasting abrasion resistant coating.
REFERENCES:
patent: 4559387 (1985-12-01), Endo et al.
patent: 5232982 (1993-08-01), Lucas
Okada Kazumi
Shiono Mikio
Dean Ralph H.
Shin-Etsu Chemical Co. , Ltd.
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