COPOLYMER, INK, RECORDED MATTER, INK CARTRIDGE AND RECORDING APPARATUS

Title:

COPOLYMER, INK, RECORDED MATTER, INK CARTRIDGE AND RECORDING APPARATUS

Document Type and Number:

Japanese Patent JP2017039879

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a copolymer excellent in dispersion stability and long-term stability.SOLUTION: The copolymer has a structural unit (1) represented by the specified general formula (1), and a structural unit (2) represented by the specified structural formula (1), and is characterized in that the HLB value calculated by the Griffin method is from 8.8 to 15.1 inclusive.SELECTED DRAWING: Figure 1

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Inventors:

HIROKAWA YUYA
SABE AKIYOSHI
ASAHINA DAISUKE

Application Number:

JP2015163566A

Publication Date:

February 23, 2017

Filing Date:

August 21, 2015

Export Citation:

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Assignee:

RICOH CO LTD

International Classes:

C08F220/30; B41J2/01; B41J2/175; B41M5/00; C08F8/00; C08F212/08; C09D11/107

Attorney, Agent or Firm:

Chieko Tateno

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