Aqueous polyvinyl ester dispersion, process for its manufacture,

Details Aqueous polyvinyl ester dispersion, process for its manufacture, Aqueous polyvinyl ester dispersion, process for its manufacture,

1983-07-15

1985-10-01

Kight, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 47, 524734, 156328, 156332, C08F 1808, C08F 244, C08F 220, C09J 314

Patent

active

045446890

ABSTRACT:
An aqueous polyvinyl ester dispersion having a solids content of 35 to 65 weight % and containing 3 to 12 weight % (relative to the total amount of dispersed particles) of polyvinyl alcohol and 2 to 70 weight % (relative to the total amount of dispersed particles) of a natural starch has excellent adhesive properties. It is manufactured by emulsion polymerization of a vinyl ester optionally together with comonomers, and by subsequent distribution of the starch in the dispersion obtained by the emulsion polymerization. The dispersion is especially suitable for the manufacture of adhesives for porous substrates.

REFERENCES:
patent: 3442845 (1969-05-01), Columbus et al.
patent: 3620899 (1971-11-01), Kelly et al.
patent: 3925289 (1975-12-01), Sakato et al.
patent: 3984275 (1976-10-01), Hofmann et al.
patent: 4098746 (1978-07-01), Becker et al.
patent: 4239563 (1980-12-01), Iacoviello

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