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Title:
NOVEL COPOLYMER
Document Type and Number:
WIPO Patent Application WO/2012/001945
Kind Code:
A1
Abstract:
Provided is a novel copolymer that is useful as a pigment dispersant. The novel copolymer comprises block chains (A) containing at least one kind of repeating unit selected from a group consisting of repeating units with tertiary amino groups and repeating units with quaternary ammonium bases, and block chains (B) containing repeating units with acidic groups and repeating units represented by Formula (I) (in the formula, R1 represents a hydrogen atom or C1 to C3 alkyl group and R2 represents an aliphatic hydrocarbon group or alicyclic hydrocarbon group). The proportion copolymerized of the repeating units represented by Formula (I) is 90 mass% or more in the block chains (B).

Inventors:
NIITANI, Takeshi (Nippon Soda Co. Ltd., 12-54, Goiminamikaigan, Ichihara-sh, Chiba 45, 〒2900045, JP)
新谷 武士 (〒45 千葉県市原市五井南海岸12-54 日本曹達株式会社 千葉研究所内 Chiba, 〒2900045, JP)
MISHIMA, Gou (Nippon Soda Co. Ltd., 12-54, Goiminamikaigan, Ichihara-sh, Chiba 45, 〒2900045, JP)
三島 豪 (〒45 千葉県市原市五井南海岸12-54 日本曹達株式会社 千葉研究所内 Chiba, 〒2900045, JP)
TATEISHI, Yuichi (Nippon Soda Co. Ltd., 12-54, Goiminamikaigan, Ichihara-sh, Chiba 45, 〒2900045, JP)
立石 祐一 (〒45 千葉県市原市五井南海岸12-54 日本曹達株式会社 千葉研究所内 Chiba, 〒2900045, JP)
Application Number:
JP2011/003672
Publication Date:
January 05, 2012
Filing Date:
June 28, 2011
Export Citation:
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Assignee:
Nippon Soda Co., Ltd. (2-1 Ohtemachi 2-chome, Chiyoda-ku Tokyo, 65, 〒1008165, JP)
日本曹達株式会社 (〒65 東京都千代田区大手町2丁目2番1号 Tokyo, 〒1008165, JP)
JSR Corporation (9-2 Higashi-Shinbashi 1-chome, Minato-ku Tokyo, 21, 〒1050021, JP)
JSR株式会社 (〒21 東京都港区東新橋一丁目9番2号 Tokyo, 〒1050021, JP)
NIITANI, Takeshi (Nippon Soda Co. Ltd., 12-54, Goiminamikaigan, Ichihara-sh, Chiba 45, 〒2900045, JP)
新谷 武士 (〒45 千葉県市原市五井南海岸12-54 日本曹達株式会社 千葉研究所内 Chiba, 〒2900045, JP)
MISHIMA, Gou (Nippon Soda Co. Ltd., 12-54, Goiminamikaigan, Ichihara-sh, Chiba 45, 〒2900045, JP)
三島 豪 (〒45 千葉県市原市五井南海岸12-54 日本曹達株式会社 千葉研究所内 Chiba, 〒2900045, JP)
International Classes:
C08F297/02; B01F17/16; B01F17/18; B01F17/52
Attorney, Agent or Firm:
HIROTA, Masanori (3F Wakabayashi Building, 8-5 Akasaka 2-chome, Minato-k, Tokyo 52, 〒1070052, JP)
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Claims: