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1. (WO1998051720) COLLOIDALLY STABILIZED BUTADIENE EMULSIONS

Pub. No.:    WO/1998/051720    International Application No.:    PCT/US1998/009938
Publication Date: Fri Nov 20 00:59:59 CET 1998 International Filing Date: Sat May 16 01:59:59 CEST 1998
IPC: C08F 236/04
C08F 290/06
Applicants: REICHHOLD CHEMICALS, INC.
KRISHNAN, Venkataram
FRIEDZON, Yakov, S.
Inventors: KRISHNAN, Venkataram
FRIEDZON, Yakov, S.
Title: COLLOIDALLY STABILIZED BUTADIENE EMULSIONS
Abstract:
In one aspect, a stabilized emulsion polymer comprises an aliphatic conjugated diene monomer; a monomer selected from the group consisting of a non-aromatic unsaturated mono- or dicarboxylic ester monomer, an unsaturated aromatic monomer, a nitrogen-containing monomer, and mixtures thereof; a protective colloid; and a surfactant which has ethylenic unsaturation. As a result, the surfactant is polymerized with the monomer and is incorporated into the backbone of the emulsion polymer. In another aspect, the stabilized emulsion polymer includes an oxyalkylene functional monomer selected from the group consisting of formulas (1), (2), monoesters of mono- and dicarboxylic acids, diesters of dicarboxylic acids, and mixtures thereof; wherein R is selected from the group consisting of hydrogen and C1-C4 alkyl; R' is selected from the group consisting of hydrogen and C1-C4 alkyl; R' is selected from the group consisting of hydrogen and C1-C4 alkyl; and n is an integer ranging from 1 to 30. The oxyalkylene functional monomer reacts with the monomer and thus becomes incorporated into the backbone of the emulsion polymer.