Soluble silicone-imide copolymers

Details Soluble silicone-imide copolymers Soluble silicone-imide copolymers

1984-10-19

1986-05-06

Page, Thurman K.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

427 82, 427387, 528 26, 528172, 528185, 528188, 525431, C08F 246, B05D 302, C08G 7704

Patent

active

045869979

ABSTRACT:
There is provided a siloxane-imide copolymer composition having at least one polymeric block with a low glass transition temperature and at least one polymeric block with a high glass transition temperature. Preferred compositions have the general formula ##STR1##

REFERENCES:
patent: 3325450 (1967-06-01), Holub
patent: 4030948 (1977-06-01), Berger
patent: 4140572 (1979-02-01), Stein
patent: 4331799 (1982-05-01), Holub et al.
patent: 4395527 (1983-07-01), Berger
William S. Shore, "Synthesis of Imide-Siloxane and Amide Siloxane Copolymers", May 1973, pp. 4-6, National Technical Information Service, U.S. Dept. of Commerce.
S. Maudgal et al., "Preparation and Characterization of Siloxane-Containing Thermoplastic Polyimides", Apr. 1984, pp. 87-91, Int. J. Adhesion & Adhesives, vol. 4, No. 2.

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