Manufacture of aqueous polymer dispersions and coating compositi

Details Manufacture of aqueous polymer dispersions and coating compositi Manufacture of aqueous polymer dispersions and coating compositi

1979-12-07

1982-03-30

Michl, Paul R.

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...

524762, 524833, 524824, 524813, 524806, 524457, C08L 3304

Patent

active

043223281

ABSTRACT:
Sterically stabilized aqueous polymer dispersions of at least 20% solids content are made by free radical-initiated polymerization of monomers in an aqueous medium at a temperature at least 10.degree. C. higher than the glass transition temperature of the polymer to be formed, in the presence of a compound which is soluble in the aqueous medium and contains in the molecule a polymeric component of molecular weight at least 1000 which is solvatable by the aqueous medium and an unsaturated grouping which can copolymerize with the monomers, the conditions being such that there is at no time present a separate monomer phase. The dispersions are useful as a basis of improved coating compositions.

REFERENCES:
patent: 3652497 (1972-03-01), Junas
patent: 3657175 (1972-04-01), Zimmerman
patent: 3779970 (1973-12-01), Evani
patent: 3891591 (1975-06-01), Chang
patent: 3894980 (1975-07-01), DeTommaso
patent: 3960935 (1976-06-01), Samour
patent: 4038265 (1977-07-01), Evani
patent: 4105649 (1978-08-01), Evani
patent: 4138381 (1979-02-01), Chang
patent: 4151341 (1979-04-01), Lalk

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