Heat resistant silicone compositions

Details Heat resistant silicone compositions Heat resistant silicone compositions

1995-02-21

1997-04-29

Dean, Ralph H.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

524837, 524864, 508204, 508209, C08G 7726, C10M10750

Patent

active

056250258

ABSTRACT:
The present invention relates to a silicone composition comprising a mixture of (A) an amino-functional diorganopolysiloxane oil free of phenol groups and having at least 1 amino group per molecule and (B) a diorganopolysiloxane oil free of amino groups and having at least 1 phenol group per molecule. The silicone composition has a viscosity of from 10 to 100,000 mm.sup.2 /s at 25.degree. C. and an average phenol equivalent weight of 10,000 to 5,000,000. The silicone compositions of the present invention are highly heat-resistant, exhibit excellent release properties, and superior lubrication properties.

REFERENCES:
patent: 4430235 (1984-02-01), Chu et al.
patent: 4537691 (1985-08-01), Mori et al.
patent: 4879378 (1989-11-01), Foster
patent: 4891398 (1990-01-01), Tanaka et al.
patent: 5292850 (1994-03-01), Pallini et al.
patent: 5310616 (1994-05-01), Akamatsu
3-227206 (227,206/91) Abstract only.

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