| US 7,585,918 B2 | ||
| Block polymer compound, polymer-containing composition that contains the same | ||
| Koichi Sato, Atsugi (Japan); Ikuo Nakazawa, Kawasaki (Japan); Sakae Suda, Yokohama (Japan); Ryuji Higashi, Kawasaki (Japan); Masayuki Ikegami, Atsugi (Japan); and Keiichiro Tsubaki, Kawasaki (Japan) | ||
| Assigned to Canon Kabushiki Kaisha, Tokyo (Japan) | ||
| Appl. No. 10/568,070 PCT Filed Sep. 30, 2004, PCT No. PCT/JP2004/014798 § 371(c)(1), (2), (4) Date Feb. 13, 2006, PCT Pub. No. WO2005/033160, PCT Pub. Date Apr. 14, 2005. |
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| Claims priority of application No. 2003-345828 (JP), filed on Oct. 03, 2003. | ||
| Prior Publication US 2006/0281870 A1, Dec. 14, 2006 | ||
| Int. Cl. C08F 293/00 (2006.01); C08F 297/02 (2006.01) | ||
| U.S. Cl. 525—242 [525/93; 525/94; 526/320; 526/326; 526/333; 526/334; 526/335] | 4 Claims |
| 1. A block polymer compound comprising block segments,
wherein at least one hydrophilic block segment among the block segments is a copolymer segment composed of an ionic repeating
unit structure and a hydrophobic repeating unit structure, and
wherein, in the hydrophilic block segment, the ionic repeating unit structure is obtained by forming into a sodium salt a
repeating unit structure obtained from 4-(2-vinyloxy)ethoxy ethyl benzoate, the hydrophobic repeating unit is obtained from
2-(4-methylphenyloxy)ethyl-1-vinyl ether, and a content of 4-(2-vinyloxy)ethoxy ethyl benzoate is 91 mol % and a content of
2-(4-methylphenyloxy)ethyl-1-vinyl ether is 9 mol %.
|