NOVEL COPOLYMER, AQUEOUS INK, AND INK CARTRIDGE

Title:

NOVEL COPOLYMER, AQUEOUS INK, AND INK CARTRIDGE

Document Type and Number:

WIPO Patent Application WO/2016/125473

Kind Code:

A1

Abstract:

To provide a copolymer including: a structural unit represented by the following General Formula (1) where X represents a hydrogen atom or a cation; a structural unit expressed by the following Structural Formula (1); and a structural unit represented by the following General Formula (2) where R is a hydrogen atom or a methyl group, L is a single bond or -(CH2)n-O-CO- where n is an integer in a range of from 2 through 18, and a carbonyl carbon atom in the -(CH2)n-O-CO- is bound to naphthyl.

Inventors:

HARADA SHIGEYUKI (JP)
YANAGAWA YOSHIKI (JP)
KATOH KEITA (JP)
FUKUOKA MASAYUKI (JP)
NAGAI KAZUKIYO (JP)
KOIZUKA YUUSUKE (JP)
SHIMADA TOMOYUKI (JP)
SABU AKIYOSHI (JP)

Application Number:

PCT/JP2016/000454

Publication Date:

August 11, 2016

Filing Date:

January 28, 2016

Export Citation:

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Assignee:

RICOH CO LTD (JP)
HARADA SHIGEYUKI (JP)
YANAGAWA YOSHIKI (JP)
KATOH KEITA (JP)
FUKUOKA MASAYUKI (JP)
NAGAI KAZUKIYO (JP)
KOIZUKA YUUSUKE (JP)
SHIMADA TOMOYUKI (JP)
SABU AKIYOSHI (JP)

International Classes:

C08F220/36; B41J2/01; B41M5/00; C08F212/08; C08F222/02; C09D11/023; C09D11/106; C09D11/30; C09D11/40

Domestic Patent References:

WO2015076314A1

2015-05-28

Foreign References:

JPH0480212A	1992-03-13
JP3256568B2	2002-02-12
JP2008285468A	2008-11-27
JP2013159687A	2013-08-19
EP2754679A1	2014-07-16
JP2015040234A	2015-03-02

Other References: