Cationically electrodepositable finely divided gelled polymers h

Details Cationically electrodepositable finely divided gelled polymers h Cationically electrodepositable finely divided gelled polymers h

1991-09-27

1993-10-19

Henderson, Christopher

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

205 95, 205317, 525288, 525528, 525530, 525902, C08F26300, C08F28300

Patent

active

052546314

ABSTRACT:
A cationically electrodepositable finely divided gelled polymer obtained by emulsion-polymerizing, in the presence of a water-soluble or water-dispersible cationic resin, a monomer component (A) comprising
(a) a polymerizable unsaturated vinylsilane monomer having a vinylic double bond and a hydrolyzable akloxysilane group,
(b) a polymerizable monomer having at least two radically polymerizable unsaturated groups in the molecule,
(c) a polymerizable unsaturated monomer having a vinylic double bond and a hydroxyl group, and
(d) other polymerizable unsaturated monomer, and a cationically electrodepositable finely divided gelled polymer obtained by emulsion-polymerizing, in the presence of the above finely divided gelled polymer, a monomer component (B) comprising
(e) a blocked mono- or polyisocyanate in which the at least one isocyanate group in the molecule is blocked with a radically polymerizable monohydroxy compound,
(f) a polymerizable unsaturated monomer having a vinylic double bond and a hydroxyl group, and
(g) other polymerizable unsaturated monomer, said cationically electrodepositable finely divided gelled polymer having a core-sheath structure consisting of a core of the polymerization product of the monomer component (A) and a sheath of the polymerization product of the monomer component (B).

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