Invention Application
US20040030088A1 Acidic reducer for providing increased adhesion of a two component polyurethane primer to substrates 审中-公开
酸性还原剂用于提高双组分聚氨酯底漆对基材的附着力

Acidic reducer for providing increased adhesion of a two component polyurethane primer to substrates
Abstract:
A composition comprising a two component polyurethane composition comprising a first component comprising a polyisocyanate and a second component comprising a polyol, wherein at least one of the first component and the second component further comprise a solvent; a phosphoric acid; and a phosphate ester of the formula (OM)3nulln P(O)(OR)n, wherein n is 1 or 2, R is an organofunctional group, and M is hydrogen, metal, or ammonium. Also, a composition comprising a two component polyurethane composition comprising a first component comprising a polyisocyanate and a second component comprising a polyol, wherein at least one of the first component and the second component further comprise a solvent, a phosphoric acid, and an epoxy resin. Also, methods of making the compositions.
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