Novel silicone/polylactone graft copolymer

Details Novel silicone/polylactone graft copolymer Novel silicone/polylactone graft copolymer

1985-05-30

1987-01-13

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...

525410, 525411, 525415, 525440, 525474, 528 26, 528 27, 604403, C08G 7742, C08L 8310

Patent

active

046365524

ABSTRACT:
Novel silicone/polylactone graft copolymers, well suited as polymer composition additives, especially those destined for biomedical applications, have the average general formula: ##STR1## in which p is an integer or decimal ranging from 1.5 to 6, q is an integer or decimal ranging from 0 to 20, A is a divalent hydrocarbon having from 2 to 20 carbon atoms, n is an integer ranging from 3 to 12, m is an integer ranging from 2 to 25, the radicals R', which may be identical or different, are each hydrogen or C.sub.1 -C.sub.4 alkyl, and R is a hydrocarbon having up to 24 carbon atoms.

REFERENCES:
patent: 3631087 (1971-12-01), Lewis et al.
patent: 3778458 (1973-12-01), Morehouse
patent: 4202807 (1980-05-01), Moretto et al.

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