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    • 4. 发明申请
    • ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND RESIN COMPOSITION
    • 电子照相机和树脂组合物
    • US20140011128A1
    • 2014-01-09
    • US14001419
    • 2012-03-13
    • Hironobu MorishitaTakaaki Hikosaka
    • Hironobu MorishitaTakaaki Hikosaka
    • G03G5/07
    • G03G5/076C08L69/00G03G5/056G03G5/0564G03G5/14752G03G5/14756
    • An electrophotographic photoreceptor that satisfies excellent transparency, abrasion resistance, and electrophotographic properties (including sensitivity and residual potential after light irradiation) all together is provided. Specifically, an electrophotographic photoreceptor and a resin composition that include therein (1) a polycarbonate resin (A) having a structural unit represented by the following formula (I) and (2) at least one selected from a polycarbonate resin (B) synthesized from a source material that includes therein a bisphenol represented by the following formula (II) and a polyester resin (B′) synthesized from a source material that includes therein a bisphenol represented by the following formula (II). In formulas (I) and (II), each of Ra, Rb, Rc, Rd, Re, and Rf represents, independently from one another, a substituted or non-substituted alkyl group, a substituted or non-substituted cycloalkyl group, or a substituted or non-substituted phenyl group. Each of p, q, r, s, t, and u represents, independently from one another, an integer of 0 to 4. Rg represents an alkyl group. X represents an alkylene group, an isopropylidene group, a sec-butylidene group, a cycloalkylene group, a cycloalkylidene group, or the like. Y represents a single bond or —O—. Each of mA and nA represents a composition ratio (mole ratio) of the structural unit in the round brackets.
    • 提供了一起满足优异的透明性,耐磨性和电子照相特性(包括光照射后的灵敏度和残留电位)的电子照相感光体。 具体而言,是电子照相感光体和树​​脂组合物,其中含有(1)具有下述通式(I)和(2)表示的结构单元的聚碳酸酯树脂(A)和(2)中的至少一种选自聚碳酸酯树脂 在其中包含由下式(II)表示的双酚的源材料和由其中包含由下式(II)表示的双酚的源材料合成的聚酯树脂(B')。 在式(I)和(II)中,Ra,Rb,Rc,Rd,Re和Rf各自独立地表示取代或未取代的烷基,取代或未取代的环烷基,或 取代或未取代的苯基。 p,q,r,s,t和u各自独立地表示0〜4的整数.Rg表示烷基。 X表示亚烷基,异亚丙基,仲丁叉基,亚环烷基,亚环烷基等。 Y表示单键或-O-。 mA和nA中的每一个表示圆括号中的结构单元的组成比(摩尔比)。