Process for preparing fluororubber graft copolymer

Details Process for preparing fluororubber graft copolymer Process for preparing fluororubber graft copolymer

1990-06-06

1992-08-25

Bleutge, John C.

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

Synthetic resins

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

525104, 525288, C08L 2712

Patent

active

051419912

ABSTRACT:
A process for preparing a fluororubber graft copolymer, comprising the step of graft-copolymerizing, onto (A) a fluororubber, (B) at least one organosilicon compound having the general formula (I): ##STR1## wherein R.sup.3 represents a monovalent unsaturated aliphatic hydrocarbon group; and R.sup.N represents as nitrogen-containing organic group having the general formula (II): ##STR2## or the general formula (III): ##STR3## where R.sup.4 and R.sup.5 each represent a hydrogen atom or a C.sub.1 -C.sub.15 organic group, and l is an integer of from 0 to 6, R.sup.6 and R.sup.7 have the same meaning as R.sup.3 and R.sup.4 or may form together a divalent hydrocarbon group represented by the formula:

REFERENCES:
patent: 3415900 (1968-12-01), Robb et al.
patent: 4314043 (1982-02-01), Kojima

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