Production of binders for coating compositions

Details Production of binders for coating compositions Production of binders for coating compositions

1975-03-28

1976-08-24

Holler, Alan

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 86, 526209, 526225, 526229, 526303, 526317, 526342, 526347, 526336, C08F 226, C08F23604, C08F21208

Patent

active

039766268

ABSTRACT:
Binders for coating compositions are produced by an elevated temperature, aqueous phase polymerization, in the presence of an anionic emulsifier, polyethylene oxide and peroxydisulfate, of a monomer mixture consisting by weight of 10-85% vinyl aromatic component, which may be partially replaced by 0-20% of acrylonitrile, 15-90% by weight of diolefin component and up to 6% each of .beta.-unsaturated carboxylic acid or an amide thereof or a mixture thereof, characterized by employing a starting reaction mixture containing 0.05-0.5% of an anionic sulfonate or sulfate emulsifier; 0.5-5% of a polyethylene oxide having an average molecular weight of between 300 and 4,000; and 0.5-2% of a water-soluble peroxydisulfate; and, after a monomer conversion of between 15 and 35% by weight, adding to the reaction mixture another 0.2-1.5% of an anionic sulfonate or sulfate emulsifier.

REFERENCES:
patent: 2761853 (1956-09-01), Uraneck et al.
patent: 2836584 (1958-05-01), Wheelock et al.
patent: 3142654 (1964-07-01), Peterson et al.
patent: 3188304 (1965-06-01), Goshorn et al.
patent: 3471591 (1969-10-01), Lindsey
patent: 3547857 (1970-12-01), Murray
patent: 3843584 (1974-10-01), Turck

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