Process for the preparation of beads of copolymers bearing react

Details Process for the preparation of beads of copolymers bearing react Process for the preparation of beads of copolymers bearing react

1984-07-13

1986-08-19

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 56, 524708, 524726, 524729, 524742, 524743, 526193, 526204, 526209, 526210, 526220, 526222, C08B 1814

Patent

active

046070575

ABSTRACT:
The present invention relates to a process for the preparation of beads of copolymers bearing reactive groups, by polymerization in suspension in a non-aqueous medium. According to the invention a free radical polymerization is effected of at least two unsaturated monomers, of which one is the carrier of a reactive group such as acid chloride, alkyl chloride, alkyl dithiobenzoate or carboxyalkyl, in a medium composed of two emulsified, immiscible organic liquids, to form beads of chemically reactive copolymers.

REFERENCES:
patent: Re27026 (1971-01-01), Alfrey et al.

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