POLYCARBONATE POLYMER, PRODUCTION THEREOF, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR MADE THEREFROM
申请人:IDEMITSU KOSAN COMPANY LIMITED
公开号:EP0582722A1
公开(公告)日:1994-02-16
A polycarbonate polymer wherein the repeating unit is a group represented by general formula (I) and the terminal group is a group represented by formulae (I), (II), (III), (IV) or (V). In formula (I) R¹ and R² represent each halogen, alkyl, cycloalkyl or aryl; a and b represent each independently an integer of 0 to 4; x represents a single bond, -O-, -CO-, -S-, -SO-, -SO₂-, -CR³R⁴-, 1,1-cycloalkylidene or α,ω-alkylene; in formulae (II), (III), (IV) and (V) R⁵ represents C₁-C₃₀ perfluoroalkyl which may be substituted; Y represents -CH₂; n represents and integer of 0 to 6; Z represents -O-, -CO-, -OCO-, -S-, -SO-, -SO₂-or -NHCO-; f represents 0 to 1; R⁶ represents halogen, alkyl, cycloalkyl or aryl; and c and d represent each an interger provided that c + d ≦ 5, c = 1 - 5 and d = 0 - 4. An electrophotographic photoreceptor containing the polycarbonate as one component of the photosensitive layer, which is free from the problem of clouding (gelation) of a coating fluid used for making the same, retains excellent mechanical strengths such a plate wear, and can maintain excellent electrophotographic characteristics, thus being practically excellent.
一种聚碳酸酯聚合物,其中重复单元为通式 (I) 所代表的基团,末端基团为式 (I)、(II)、(III)、(IV) 或 (V) 所代表的基团。在式 (I) 中,R¹ 和 R² 各自代表卤素、烷基、环烷基或芳基;a 和 b 各自独立地代表 0 至 4 的整数;x 代表单键、-O-、-CO-、-S-、-SO-、-SO₂-、-CR³R⁴-、1,1-环烷基亚基或 α,ω-亚烷基;在式(II)、(III)、(IV)和(V)中,R⁵ 代表可能被取代的 C₁-C₃₀ 全氟烷基;Y代表-CH₂;n代表0至6的整数;Z代表-O-、-CO-、-OCO-、-S-、-SO-、-SO₂-或-NHCO-;f代表0至1;R⁶代表卤素、烷基、环烷基或芳基;以及c和d分别代表一个整数,条件是c+d≦5,c=1-5,d=0-4。含有聚碳酸酯作为感光层成分之一的电致发光感光体,不存在用于制造该感光体的涂布液混浊(凝胶化)的问题,可保持极佳的机械强度(如板磨损),并可保持极佳的电致发光特性,因此实际上是极佳的。