High molecular weight carborane-siloxane block copolymers and me

Details High molecular weight carborane-siloxane block copolymers and me High molecular weight carborane-siloxane block copolymers and me

1977-12-30

1980-06-17

Briggs, Sr., Wilbert J.

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

Synthetic resins

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

525431, 525436, 525446, 525464, 525474, 525534, 525540, 528 5, C08L 8504, C08L 8310, C08L 7904

Patent

active

042084920

ABSTRACT:
Elastomeric high molecular weight alternating and random block copolymers are disclosed which comprise blocks of a soft carborane-siloxane elastomer and blocks of a high performance rigid polymer. Methods for preparing such block copolymers are also disclosed. These copolymers exhibit the advantages of high temperature elastomers while allowing the use of conventional thermoplastic fabrication techniques.

REFERENCES:
patent: 3388091 (1968-06-01), Heying et al.
patent: 3536657 (1970-10-01), Noshay et al.
patent: 3539656 (1970-11-01), Noshay et al.
patent: 3539657 (1970-11-01), Noshay et al.
patent: 3657385 (1972-04-01), Matzner et al.
patent: 3689455 (1972-09-01), Chapman

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