AMINE FUNCTIONAL COPOLYMER AND ITS PREPARATION PROCESS

Title:

AMINE FUNCTIONAL COPOLYMER AND ITS PREPARATION PROCESS

Document Type and Number:

Japanese Patent JP2004051950

Kind Code:

A

Abstract:

To provide an amine functional copolymer with improved discoloration and odor, and an easily operable process for production of the amine functional copolymer as a powder by an effective hydrolysis of N-vinylcarboxyamide copolymer.

The amine functional copolymer exhibits Gardner index of 3 or less for its 10 wt.% aqueous solution determined according to ASTM D1544 and can be prepared by hydrolysis of N-vinylcarboxyamide copolymer in the presence of an acidic or a basic catalyst in an aqueous medium with a dissolved salt.

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Inventors:

ITO YASUHIRO
AOYAMA MASATO
SAWA KOHEI

Application Number:

JP2003111506A

Publication Date:

February 19, 2004

Filing Date:

April 16, 2003

Export Citation:

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Assignee:

MITSUBISHI CHEM CORP

International Classes:

C09D129/04; C08F8/12; C08F216/06; C08F226/02; C09D139/02; C09D201/02; D21H19/20; D21H27/00; (IPC1-7): C08F216/06; C08F8/12; C08F226/02; C09D129/04; C09D139/02; C09D201/02; D21H19/20; D21H27/00

Attorney, Agent or Firm:

Hasegawa Soji

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