US 7,563,853 B2
Polymer compound, process for producing the same, polymer-containing composition, ink-applying process, and ink-applying apparatus
Keiichiro Tsubaki, Kawasaki (Japan); Masayuki Ikegami, Atsugi (Japan); Koichi Sato, Atsugi (Japan); Ikuo Nakazawa, Zama (Japan); Ryuji Higashi, Atsugi (Japan); Sakae Suda, Sagamihara (Japan); and Keiko Yamagishi, Ebina (Japan)
Assigned to Canon Kabushiki Kaisha, Tokyo (Japan)
Filed on May 02, 2005, as Appl. No. 11/118,400.
Claims priority of application No. 2004-139193 (JP), filed on May 07, 2004.
Prior Publication US 2006/0004124 A1, Jan. 05, 2006
Int. Cl. C08F 130/08 (2006.01)
U.S. Cl. 526—279  [523/160; 523/161; 347/100; 347/95] 8 Claims
 
1. A polymer compound of a block polymer containing at least three block segments each having a repeating unit structure comprising a polyalkenyl ether structure, comprising a repeating unit structure represented by the following general formula (1) in at least one block segment of the block polymer and a repeating unit structure represented by the following general formula (2) in at least one other block segment:

OG Complex Work Unit Drawing
wherein A represents a polyalkenyl ether group which may be substituted; B represents a linear or branched alkylene group having 1 to 15 carbon atoms which may be substituted; m represents an integer of 1 to 30 and, in the case that m is two or more, the B groups may be the same or different from each other; R1, R2, and R3 represent each a linear or branched alkyl group having 1 to 10 carbon atoms which may be substituted or an aromatic ring which may be substituted, at least one of R1, R2, and R3 having a t-butyl group or a phenyl group; and R1, R2, and R3 may be the same in structure or different in structure from each other;

OG Complex Work Unit Drawing
wherein A′ represents a polyalkenyl ether group which may be substituted; B′ represents a linear or branched alkylene group having 1 to 15 carbon atoms which may be substituted; m represents an integer of 1 to 30 and, in the case that m is two or more, the B′ groups may be the same or different from each other; D represents a single bond or a linear or branched alkylene group having 1 to 10 carbon atoms which may be substituted; E represents any of a single bond, an aromatic ring which may be substituted, a condensed ring which may be substituted, or a structure comprising up to three aromatic rings, which may be substituted, that are bonded via single bond(s); R4 represents —COOH, —COOR5, or —COO−M; R5 represents a linear or branched alkyl group having 1 to 5 carbon atoms which may be substituted or an aromatic ring which may be substituted; M represents a monovalent or multivalent metal cation; and in the case that the aromatic ring of the above E is substituted at a hydrogen atom(s), the hydrogen atom(s) is substituted by halogen atom(s).