Vinyl acetate-ethylene copolymer emulsions prepared in the prese

Details Vinyl acetate-ethylene copolymer emulsions prepared in the prese Vinyl acetate-ethylene copolymer emulsions prepared in the prese

1987-02-17

1990-05-01

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...

524503, 526202, C08F 216

Patent

active

049218980

ABSTRACT:
A vinyl acetate-ethylene copolymer emulsion which is about 65-70% solids and has a viscosity of less than about 3,500 is disclosed. The emulsion is prepared by copolymerization of vinyl acetate and ethylene monomers in the presence of a stabilizing system consisting essentially of 2-4 wt %, based on vinyl acetate monomer, of a polyvinyl alcohol having a 100-600 degree of polymerization and 2-4wt %, based on vinyl acetate monomer, of a surfactant. Such emulsions demonstrate an improved speed of set as an adhesive.

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