Polyurethanes with carboxylate functionality for hair fixative a

Details Polyurethanes with carboxylate functionality for hair fixative a Polyurethanes with carboxylate functionality for hair fixative a

1998-02-24

1999-10-19

Dodson, Shelley A.

Drug, bio-affecting and body treating compositions

Live hair or scalp treating compositions

Polymer containing

424 7011, 424 7012, 424401, A61K 706, A61K 700

Patent

active

059684941

ABSTRACT:
A polyurethane, soluble or dispersible in water, prepared from organic diisocyanate diols or other isocyanate reactive materials and a 2,2-hydroxymethyl-substituted carboxylic acid diol neutralized with a cosmetically acceptable organic or inorganic base and formulated into a hair fixative composition containing low amounts of volatile organic solvent. The present invention is also directed to a process for the preparation of polyurethanes comprising dispersing the polyurethane after at least 70% of the theoretical isocyanate reaction has taken place, but before completion of the reaction.

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