Silicone-imide copolymers and method for making

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...

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525431, 525479, C08G 7704

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active

044043503

ABSTRACT:
There is provided organopolysiloxane-polyimide copolymers based on the use of norbornane anhydride terminated organopolysiloxane, organic diamine and optionally other aromatic bisanhydride. The organopolysiloxane-polyimide copolymers can be used as insulation for electrical conductors, adhesives, molding compounds, coatings, laminates and tough elastomers.

REFERENCES:
patent: 3288754 (1966-11-01), Green
patent: 3325450 (1967-06-01), Holub
patent: 3338859 (1967-08-01), Green
Nishizaki et al., Chem. Abstracts, vol. 63, 1965, 3057b.
Siloxanmodifizierte Polypyromellitimide, Kuckertz, Die Makromolekulare Chemie, 98 (1966) 101-108.
Polyimides form Silicon-Containing Dianhydrides and Diamines, Johnston et al., ACS Org. Cont. Plast. Chem., V. 33, 1973, pp. 169-176.
Organosilicon Compounds, XVIII, Silicon-Containing Dianhydrides, Pratt et al., J. Org. Chem., vol. 38, No. 25, 1973, pp. 4271-7274.
Effect of Elastomer Chain Length on Silicone-Modified Polyimide Properties, Ezzell et al., Abstract of 33rd Southern Regional ACS Mtg., p. 107 (1981).
Moshinskii et al., Chemical Abstracts, vol. 72 (1970).
Derwent, Week D38, p. 17, Soviet Union 761,521, 4/9/78.

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