MODIFIED COPOLYMERS AND PROCESS FOR PRODUCTION THEREOF

Title:

MODIFIED COPOLYMERS AND PROCESS FOR PRODUCTION THEREOF

Document Type and Number:

WIPO Patent Application WO/1979/000240

Kind Code:

A1

Abstract:

It is known that commercial acrylic paints have the defect of having an insufficient pigment dispersibility. The present invention provides modified acrylic copolymers having improved pigment dispersibility, which are suitable as a carrier. The modified acrylic copolymers may be obtained by subjecting to polymerization double-bond containing unsaturated poylesters, dialkylaminoalKyl (metha) acrylates, methylmethaacrylates and other polymerizable monomers respectively in predetermined weight ratio. The products are characterized in that the ratio of the weight average molecular weight to the number average molecular weight is within the range of 3 to 20.

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Inventors:

NAKAMURA H (JP)
HORI R (JP)
MURAKAMI Y (JP)
ISOMOTO E (JP)

Application Number:

PCT/JP1978/000013

Publication Date:

May 03, 1979

Filing Date:

October 26, 1978

Export Citation:

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Assignee:

DAINIPPON INK & CHEMICALS (JP)
NAKAMURA H (JP)
HORI R (JP)
MURAKAMI Y (JP)
ISOMOTO E (JP)

International Classes:

C08F283/00; C08F283/01; C08F283/02; C08F299/00; C08F299/04; C08G63/48; C08G63/54; C09D133/04; C09D133/12; C09D151/00; C09D151/08; C09D155/00; (IPC1-7): C08F283/02; C08F299/04

Foreign References:

US3455858A	1969-07-15
JPS424359B1
US3455858A	1969-07-15

Other References: