Thermally stable organosiloxane compositions and method for prep

Details Thermally stable organosiloxane compositions and method for prep Thermally stable organosiloxane compositions and method for prep

1987-12-28

1989-01-31

Marquis, Melvyn I.

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...

524214, 524251, 524252, 525478, 528 15, 528 31, 528 32, C08K 516

Patent

active

048016420

ABSTRACT:
Small amounts, typically from about 0.001 to about 0.05 percent by weight, of certain aliphatic and cycloaliphatic mono-, di- and triamines have been shown to retard the heat-induced discoloration to materials prepared by curing unfilled organosiloxane compositions comprising a specified class of vinyl-substituted polyorganosiloxanes, an organohydrogensiloxane and a platinum-containing hydrosilation catalyst. Preferred amines will also function as platinum catalyst inhibitors, and impart long term storage stability to these curable organosiloxane compositions when packaged in a single container.

REFERENCES:
patent: 3020260 (1962-02-01), Nelson
patent: 3867343 (1975-02-01), Garden
patent: 4281093 (1981-07-01), Garden
patent: 4374967 (1983-02-01), Brown et al.
patent: 4584361 (1986-04-01), Janik et al.

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