Process for the modification of dispersion powder compositions

Details Process for the modification of dispersion powder compositions Process for the modification of dispersion powder compositions

1996-08-21

1999-09-28

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...

524427, 524431, 524436, 524442, 524445, C08K 300

Patent

active

059590173

ABSTRACT:
A process for the preparation of water-redispersible dispersion powder compositions which are modified with additives and are based on polymers of ethylenically unsaturated compounds, includes drying the corresponding aqueous polymer dispersion and applying additives, which are liquid at a temperature of .ltoreq.50.degree. C., to a pulverulent carrier material, and then adding the resulting powder during or after drying of said dispersion.

REFERENCES:
patent: 3883489 (1975-05-01), Matschke et al.
patent: 4481328 (1984-11-01), Harreus et al.
patent: 4859751 (1989-08-01), Schulze et al.
patent: 5668216 (1997-09-01), Kinkel et al.
Derwent Abstract AN 83-46976K.
Derwent Abstract AN 92-219270.
"Ullmann", 5th edition, 1987, 9, pp. 312-336.
English translation of DE-A 4402408.

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