Hydrophobicizing water-redispersible polymer powder

Details Hydrophobicizing water-redispersible polymer powder Hydrophobicizing water-redispersible polymer powder

2005-12-01

2010-12-14

Cano, Milton I (Department: 1796)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S317000

Reexamination Certificate

active

07851521

ABSTRACT:
A water redispersible polymer powder with superior hydrophobicizing properties is a copolymer of vinyl acetate, a vinyl ester of an α-branched monocarboxylic acid, an alkyl(meth)acrylate, and a vinyl ester of a long chain unbranched monocarboxylic acid. The polymer is particularly useful as a hydrophobicizing agent for mineral-based chemical building products such as renders, mortars, etc.

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