Emulsion process for preparation of occluded rubber structure

Details Emulsion process for preparation of occluded rubber structure Emulsion process for preparation of occluded rubber structure

1987-02-26

1988-11-08

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...

525315, 525316, C08F27904, C08F27902, C08F27906

Patent

active

047835087

ABSTRACT:
An impact resistant thermoplastic polymer comprising highly occluded rubbery particles is prepared by contacting an emulsion of a rubbery polymer with at least one addition polymerizable, graftable monomer under conditions such that the rubber emulsion particles imbibe the monomer, but substantially no monomer polymerization occurs followed by free radically polymerizing the monomer and thereafter repeating steps (a) and (b) at least one more time.

REFERENCES:
patent: 3213159 (1965-10-01), Adomaitis
patent: 3855355 (1974-12-01), Moore
patent: 4226955 (1980-10-01), Bracke et al.

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