Heat resistant organopolysiloxane compositions

Details Heat resistant organopolysiloxane compositions Heat resistant organopolysiloxane compositions

1996-10-28

1997-08-26

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...

524266, 525477, 528 15, 528 25, 528 29, 556446, 556449, 556479, C08K 524

Patent

active

056612028

ABSTRACT:
There is disclosed a heat-resistant agent which exhibits good solubility in various organopolysiloxanes and which confers superior heat-resistance thereto, said heat-resistant agent having the formula ##STR1## wherein R.sup.2 is independently selected from hydrocarbon or halogenated hydrocarbon groups having 1 to 10 carbon atoms, R.sup.1 is independently selected from R.sup.2 or a eugenol residue, m is an integer having an average value of 5 to 500 and n is an integer having an average value of 0 to 500, with the proviso that there is at least one eugenol residue in the molecule. Also disclosed is a composition comprising an organopolysiloxane and the above described heat-resistant agent.

REFERENCES:
patent: 4617238 (1986-10-01), Crivello et al.
patent: 4952657 (1990-08-01), Riding et al.
patent: 5138012 (1992-08-01), Riding et al.

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