Wax emulsion formulation and gypsum composition containing same

Details Wax emulsion formulation and gypsum composition containing same Wax emulsion formulation and gypsum composition containing same

2005-05-10

2005-05-10

Reddick, Judy M. (Department: 1713)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S275000, C524S276000, C524S277000, C524S475000, C524S487000, C524S503000

Reexamination Certificate

active

06890976

ABSTRACT:
An aqueous emulsion for imparting water repellency characteristics to gypsum products comprising: a) a hydrocarbon wax: b) a polyolefin-maleic anhydride graft polymer; and c) a polyvinyl alcohol composition comprising partially and/or fully hydrolyzed polyvinyl acetate. The emulsion may also contain other known ancillary components such as emulsifiers and stabilizers.

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