Addition curable compositions curable to high tensile strength,

Details Addition curable compositions curable to high tensile strength, Addition curable compositions curable to high tensile strength,

1997-12-03

1999-03-09

Glass, Margaret W.

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...

524427, 524425, 524493, 524588, 524506, C08K 326

Patent

active

058801952

ABSTRACT:
This invention relates to the preparation of an addition curable composition curable to a high tensile strength, tack free composition. The addition curable composition comprises an organic polymer having on average at least 1.4 alkenyl groups per molecule, a crosslinker having on average at least 1.4 hydrosilyl groups per molecule, a platinum group metal-containing catalyst and a specific ratio of a fatty acid treated, precipitated calcium carbonate filler having an average particle size in the range of 0.05 to 1 micron and a ground filler selected from the group consisting of calcium carbonate, kaolin clay and amorphous, non quartz silica each having an average particle size in the range of 0.2 to 40 microns.

REFERENCES:
patent: 5409995 (1995-04-01), Iwahara et al.
Macosko, C.W. and Saam, J.C., "The Hydrosilylation Cure of Polyisobutene", pp. 48-49.

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