POLYMER PARTICLE CONTAINING MINUTE POLYMER PARTICLES DISPERSED THEREIN

Title:

POLYMER PARTICLE CONTAINING MINUTE POLYMER PARTICLES DISPERSED THEREIN

Document Type and Number:

Japanese Patent JP3666104

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To obtain a polymer particle which contains minute polymer particles dispersed therein and facilitates the minute particles to be homogeneously dispersed in a resin molding by dispersing a polymerizable vinyl monomer and minute polymer particles insol. therein in a water-base system and subjecting the system to suspension polymn. in the presence of a chain transfer agent.
SOLUTION: This polymer particle has an MFR of 1-50g/10min, contains minute polymer particles dispersed therein usually having an average particle size of about 0.1-50μm and usually in an amt. of 0.01-1wt.%, and is produced by dispersing a polymerizable vinyl monomer and minute polymer particles insol. therein in a water-base system and subjecting the system to suspension polymn. in the presence of a chain transfer agent.

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Inventors:

Masashi Yamamoto
Tsuyoshi Hashimoto

Application Number:

JP3780796A

Publication Date:

June 29, 2005

Filing Date:

February 26, 1996

Export Citation:

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Assignee:

Sumitomo Chemical Co., Ltd.

International Classes:

C08K7/16; C08F2/18; C08F2/44; C08F20/10; C08F257/02; C08F283/12; C08J3/22; C08L101/00; (IPC1-7): C08F2/44; C08F2/18; C08J3/22; C08K7/16; C08L101/00

Domestic Patent References:

JP3244637A
JP52130885A

Attorney, Agent or Firm:

Takashi Kuboyama

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