Process for the preparation of coarse, aqueous plastic dispersio

Details Process for the preparation of coarse, aqueous plastic dispersio Process for the preparation of coarse, aqueous plastic dispersio

1989-02-28

1990-08-21

Foelak, Morton

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524457, 524728, 524730, 524731, 524757, 524846, C08F 230, C08F 226

Patent

active

049507095

ABSTRACT:
The emulsion polymerization of free-radical-polymerizable monomers in the presence of a branched, poly(ethylene oxide) having a molecular weight of 4,000 to 19,000 and 1 to 250 mmol of the sum of the alkali metal and ammonium ions which are not bound to the emulsifier per liter of aqueous phase provides coarse, aqueous plastic dispersions. The process allows for the effective control of the particle size in the dispersion and yields carboxylated rubber dispersions which are suitable for the production of coating materials for carpets and paper.

REFERENCES:
patent: 2933467 (1960-04-01), Borunsky
patent: 3143532 (1964-08-01), Kahrs et al.
patent: 3272767 (1966-09-01), Howland et al.
patent: 3423352 (1969-01-01), Levine et al.
patent: 3423353 (1969-01-01), Levine et al.
patent: 3842025 (1974-10-01), Schluter
patent: 3862075 (1975-01-01), Sekmakas
patent: 3989661 (1976-11-01), Bondy
patent: 4076677 (1978-02-01), Sekmakas

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