Water-repellent composition

Details Water-repellent composition Water-repellent composition

1991-04-04

1992-06-09

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Coating repellent

106271, 106285, 10628723, C08B 518

Patent

active

051203553

ABSTRACT:
A composition having excellent water-repellent properties and stability in an emulsified state is provided. The composition contains a wax having a melting point of 50.degree. to 90.degree. C., a hydrocarbon resin, an alkali metal salt of a condensation product of .beta.-naphthalene sulfonic acid with formalin and an alkali salt of polyacrylic acid. These components are emulsified in water. The composition is especially useful as a waterproof agent fo gypsum boards and gypsum plaster.

REFERENCES:
patent: 3852090 (1974-11-01), Leonard et al.
patent: 4253999 (1981-03-01), Okishi
Kuroda et al, Water Repellant Composition, Pat# 4,741,773, May 3, 1988.

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