Redispersible acrylic polymer powder for cementitious compositio

Details Redispersible acrylic polymer powder for cementitious compositio Redispersible acrylic polymer powder for cementitious compositio

1993-12-23

1996-05-21

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, 525 57, 526202, C08L 2904

Patent

active

055190847

ABSTRACT:
A method for preparing an acrylic polymer powder which is redispersible in water by atomizing an aqueous polymer dispersion containing a dispersing aid, the improvement which comprises employing an acrylic polymer containing 1-15 wt % olefinically unsaturated carboxylic acid comonomer and an effective amount of a dispersing aid consisting essentially of polyvinyl alcohol.

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patent: 4879336 (1989-11-01), Schilling et al.
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