Gypsum wood fiber articles and methods of making same

Details Gypsum wood fiber articles and methods of making same Gypsum wood fiber articles and methods of making same

2010-02-24

2011-11-22

Daniels, Matthew (Department: 1741)

Paper making and fiber liberation

Processes and products

Article forming processes

C156S041000, C156S042000, C106S772000, C106S778000, C428S294700

Reexamination Certificate

active

08062478

ABSTRACT:
Emulsions are provided which are useful in imparting water-resistance to gypsum wood fiber products. In one embodiment, the emulsions comprise a wax or a combination of waxes, an alkyl phenol, at least one surfactant, Polynaphthalenesulfonic acid, and an alkali metal hydroxide. In another embodiment, the emulsions comprise a wax or a combination of waxes, an alkyl phenol, at least one surfactant, polynaphthalenesulfonic acid, an alkali metal hydroxide, and a complexed starch.

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