High solids vinyl acetate-ethylene emulsions

Details High solids vinyl acetate-ethylene emulsions High solids vinyl acetate-ethylene emulsions

1997-08-22

1999-08-10

Cain, Edward J.

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...

524803, 524812, 524820, 524823, 524828, 524833, C08K 506

Patent

active

059360208

ABSTRACT:
A vinyl acetate-ethylene copolymer emulsion having a solids content of at least about 65 percent by weight comprises about 5 to 40 percent by weight ethylene; about 60 to 95 percent by weight vinyl acetate; greater than about 3.0 percent by weight of a polyvinyl alcohol having a degree of polymerization of from about 100 to 500; about 1 to about 4 percent by weight of an ethyoxylated aliphatic surfactant having an HLB of from about 16.5 to 18.0; and about 0.2 to about 1.0 weight percent of a dispersant.

REFERENCES:
patent: 3692723 (1972-09-01), Kasagi et al.
patent: 4921898 (1990-05-01), Lenny et al.
Fernandez et al.; New APE-Alternative Surfactant Systems for Emulsion Polymerization, Waterbone, Higher-Solids, and Powder Coatings Symposium, Feb. 5-7, 1997, New Orleans, LA, pp. 182-191.

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