POLYCARBONATE RESIN AND COATING SOLUTION CONTAINING SAME, AND MOLDED ARTICLE PRODUCED BY MOLDING SAID COATING SOLUTION
申请人:Morishita Hironobu
公开号:US20140206814A1
公开(公告)日:2014-07-24
A molded article produced by molding a coating solution that contains a polycarbonate resin represented by the following formula (1) has excellent transparency, good water repellency and oil repellency, a lower friction coefficient and excellent surface lubricity, having a capability of improving abrasion resistance. In the formula (1), R
f
represents a perfluoroalkyl group having 5 or more carbon atoms and 11 or more fluorine atoms or a perfluoroalkyl group having a specific structure; and W represents a divalent group including therein a specific structural unit.
POLYCARBONATE COPOLYMER, AND COATING LIQUID AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE BODY USING SAME
申请人:IDEMITSU KOSAN CO., LTD.
公开号:US20140363760A1
公开(公告)日:2014-12-11
Provided are a polycarbonate copolymer, comprising: a repeating unit A represented by the following general formula (1); a repeating unit B represented by the following general formula (2); and a repeating unit C represented by the following general formula (3), in which: the polycarbonate copolymer has a presence ratio represented by Ar
1
/(Ar
1
+Ar
2
+Ar
3
) of from 50 to 65 mol %, a presence ratio represented by Ar
2
/(Ar
1
+Ar
2
+Ar
3
) of from 25 to 45 mol %, and a presence ratio represented by Ar
3
/(Ar
1
+Ar
2
+Ar
3
) of from 3 to 25 mol %; and the repeating units B are not directly bonded to each other, and a coating liquid and an electrophotographic photosensitive body each obtained by using the copolymer, and as a result, provided are a polycarbonate copolymer remarkably improved in abrasion resistance while maintaining its stable solubility in an organic solvent, and a coating liquid and an electrophotographic photosensitive body each obtained by using the copolymer:
in the formulae, Ar
1
, Ar
2
, and Ar
3
each independently represent a divalent aromatic group, and X
1
and X
2
each independently represent a single bond or —NH—, provided that Ar
1
and Ar
2
are not identical to each other.
POLYCARBONATE COPOLYMER
申请人:Idemitsu Kosan Co., Ltd.
公开号:US20150010859A1
公开(公告)日:2015-01-08
A polycarbonate copolymer including a repeating unit represented by the following formula (1) and having a copolymerization molar ratio represented by Ar
2
/(Ar
1
+Ar
2
) of 30 mol % or more and 47 mol % or less. In the formula (1), Ar
1
is a group represented by the following formula (2a) or (2b) and Ar
2
is a group represented by the following formula (3); and n is an average number of repetition and is 1.12 or more and 2.34 or less.
POLYCARBONATE COPOLYMER, COATING LIQUID USING SAME, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR
申请人:Hirata Kengo
公开号:US20150147689A1
公开(公告)日:2015-05-28
A polycarbonate copolymer includes a repeating unit A represented by a formula (1) below and a repeating unit B represented by a formula (2) below, in which an abundance ratio represented by Ar
1
/(Ar
1
+Ar
2
) is in a range of 35 mol % to 75 mol % and an abundance ratio represented by Ar
2
/(Ar
1
+Ar
2
) is in a range of 25 mol % to 65 mol %,