申请人:Goto Osamu
公开号:US20110127512A1
公开(公告)日:2011-06-02
A copolymer having a block (A′) composed of a repeating unit represented by the formula (I-1), and/or a block (A) containing a repeating unit represented by the formula (I-1) and a repeating unit represented by the formula (II).
(wherein X
1
, X
2
and X
3
may be the same or mutually different and represent an oxygen atom, a sulfur atom or C(R
7
)═C(R
8
)—, and R
1
, R
2
, R
2
, R
4
, R
5
, R
6
, R
7
and R
8
may be the same or mutually different and represent a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group, an arylalkyl group, an arylalkoxy group, an arylalkylthio group, an arylalkenyl group, an arylalkynyl group, a mono-valent heterocyclic group, a heterocyclic thio group, an amino group, a silyl group, an acyl group, an acyloxy group, an imine residue, an amide group, an acid imide group, a carboxyl group, a cyano group or a nitro group, and m and n may be the same or mutually different and represent 2 or 3. A plurality of R
1
s may be the same or mutually different. A plurality of R
2
s may be the same or mutually different. A plurality of R
5
s may be the same or mutually different. A plurality of R
6
s may be the same or mutually different. A plurality of X
1
s may be the same or mutually different. A plurality of X
3
s may be the same or mutually different.)
—(Ar
1
)— (II)
(wherein Ar
1
represents an arylene group.).