Polymerization process using nonionic surfactant and copolymeriz

Details Polymerization process using nonionic surfactant and copolymeriz Polymerization process using nonionic surfactant and copolymeriz

1983-09-19

1986-05-06

Schofer, Joseph L.

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...

526229, C08L 3100, C08F 200

Patent

active

045872902

ABSTRACT:
Wholly non-charged, sterically stabilized aqueous polymer dispersions are made by emulsifying ethylenically unsaturated monomer(s) of specified slight solubility in water and subjecting them in that state to polymerization in the presence of hydrogen peroxide and a non-ionic water-soluble activator compound and also in the presence of a steric stabilizer precursor compound containing a polymer chain which is soluble in the aqueous phase and an unsaturated grouping which can copolymerize with the monomer(s). The emulsification may be assisted by a conventional non-ionic surfactant, or alternatively the precursor compound may itself possess surface-active properties.

REFERENCES:
patent: 2333635 (1943-11-01), Britton et al.
patent: 3255127 (1966-06-01), von Bonin et al.
patent: 3281377 (1966-10-01), Lederer et al.
patent: 3382297 (1968-05-01), Thompson
patent: 3960935 (1976-06-01), Samour

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