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    • 1. 发明授权
    • Polyester polymer, production thereof and electrophotographic
photoreceptor using the same
    • 聚酯聚合物,其制备和使用其的电子照相感光体
    • US5506331A
    • 1996-04-09
    • US170236
    • 1993-12-28
    • Tomohiro NagaoShuji SakamotoHironobu MorishitaHideyuki Miyamoto
    • Tomohiro NagaoShuji SakamotoHironobu MorishitaHideyuki Miyamoto
    • C08G63/64C08G63/685C08G64/12G03G5/05G03G5/07C08G63/18
    • C08G64/12C08G63/64C08G63/6856G03G5/0564G03G5/075G03G5/076
    • A polyester polymer comprising repeating units (I), or repeating units (I) and (II), and having a reduced viscosity (.eta..sub.sp /c) of 0.2 to 10.0 dl/g, measured at 20.degree. C. as a 0.5 g/dl solution dissolved in methylene chloride is prepared by allowing a dihydric phenol (III), or dihydric phenols (III) and (IV), to react with a carbonate precursor or a dibasic acid. An electrophotographic photoreceptor which comprises an electroconductive substrate and a photosensitive layer disposed on the electroconductive substrate and containing the polyester polymer as a charge transporting material or a binder resin. ##STR1## wherein, W is --O-- or single bond, X is a divalent group which is derived from a dihydric phenol containing a hydrazine structure, each of R.sup.25 and R.sup.26 is a halogen atom, an alkyl group, a cycloalkyl group or an aryl group, each of m and n is an integer of 0 to 4, Y is single bond, --O--, --S--, --SO--, --SO.sub.2 --, --CR.sup.27 R.sup.28 --, a 1,1-cycloalkylene group or an .alpha.,.omega.-alkylene group.
    • PCT No.PCT / JP93 / 00576 Sec。 371日期:1993年12月28日 102(e)日期1993年12月28日PCT 1993年4月30日PCT PCT。 公开号WO93 / 22361 日期:11月11日,1993.一种聚酯聚合物,其包含重复单元(I)或重复单元(I)和(II),并具有0.2至10.0dl / g的比浓粘度(eta sp / c) 通过使二元酚(III)或二元酚(III)和(IV)与碳酸酯前体或二元酸反应制备溶解在二氯甲烷中的0.5g / dl溶液。 一种电子照相感光体,其包括导电性基体和设置在导电性基体上的感光层,并含有聚酯聚合物作为电荷输送材料或粘合剂树脂。 (II)HOXOH(III)其中W是-O-或单键,X是衍生自含有肼结构的二元酚的二价基团, R 25和R 26各自为卤素原子,烷基,环烷基或芳基,m和n分别为0〜4的整数,Y为单键,-O - , - S - ,-SO - ,-SO 2 - , - CR 27 R 28 - ,1,1-亚环烷基或α,ω-亚烷基。
    • 2. 发明授权
    • Polyester polymer, production thereof and electrophotographic
photoreceptor using the same
    • 聚酯聚合物,其制备和使用其的电子照相感光体
    • US5561017A
    • 1996-10-01
    • US568361
    • 1995-12-06
    • Tomohiro NagaoShuji SakamotoHironobu MorishitaHideyuki Miyamoto
    • Tomohiro NagaoShuji SakamotoHironobu MorishitaHideyuki Miyamoto
    • C08G63/64C08G63/685C08G64/12G03G5/05G03G5/07G03G15/02
    • C08G64/12C08G63/64C08G63/6856G03G5/0564G03G5/075G03G5/076
    • A polyester polymer comprising repeating units (I), or repeating units (I) and (II), and having a reduced viscosity (.eta. sp/c) of 0.2 to 10.0 dl/g, measured at 20.degree. C. as a 0.5 g/dl solution dissolved in methylene chloride is prepared by allowing a dihydric phenol (III), or dihydric phenols (III) and (IV), to react with a carbonate precursor or a dibasic acid. An electrophotographic photoreceptor which comprises an electroconductive substrate and a photosensitive layer disposed on the electroconductive substrate and containing the polyester polymer as a charge transporting material or a binder resin. ##STR1## wherein, W is --O-- or single bond, X is a divalent group which is derived from a dihydric phenol containing a hydrazine structure, each of R.sup.25 and R.sup.26 is a halogen atom, an alkyl group, a cycloalkyl group or an aryl group, each of m and n is an integer of 0 to 4, Y is single bond, --O--, --S--, --SO--, --SO.sub.2 --, --CR.sup.27 R.sup.28 --, a 1,1-cycloalkylene group or an .alpha.,.omega.-alkylene group.
    • 包含重复单元(I)或重复单元(I)和(II)的聚酯聚合物,并且在20℃下以0.5g测量,具有0.2至10.0dl / g的比浓粘度(eta sp / c) 溶解在二氯甲烷中的/ dl溶液通过使二元酚(III)或二元酚(III)和(IV)与碳酸酯前体或二元酸反应来制备。 一种电子照相感光体,其包括导电性基体和设置在导电性基体上的感光层,并含有聚酯聚合物作为电荷输送材料或粘合剂树脂。 (II)HOXOH(III)其中W是-O-或单键,X是衍生自含有肼结构的二元酚的二价基团, R 25和R 26各自为卤素原子,烷基,环烷基或芳基,m和n分别为0〜4的整数,Y为单键,-O - , - S - ,-SO - ,-SO 2 - , - CR 27 R 28 - ,1,1-亚环烷基或α,ω-亚烷基。
    • 3. 发明授权
    • Polycarbonate, method of preparing the same and electrophotographic
photoreceptor produced by using the same
    • 聚碳酸酯,其制备方法和使用该聚碳酸酯制造的电子照相感光体
    • US5521041A
    • 1996-05-28
    • US133126
    • 1993-10-13
    • Hideyuki MiyamotoShuji SakamotoHironobu MorishitaTomohiro Nagao
    • Hideyuki MiyamotoShuji SakamotoHironobu MorishitaTomohiro Nagao
    • C08G64/00C08G64/10C08G64/14C08G64/20C08G64/30G03G5/05G03G15/02G03G5/00
    • C08G64/14C08G64/10G03G5/0564
    • A polycarbonate and a method of preparing the polycarbonate which comprises a repeating unit represented by the following general formula ##STR1## wherein each of R.sup.1 and R.sup.2 respectively is a halogen atom, an alkyl group, a cycloalkyl group or an aryl group, each of a and b is an integer of 0 to 4, and X is a single bond, --O--, --CO--, --S--, --SO--, --SO.sub.2 --, --CR.sup.3 R.sup.4 --, a 1,1-cycloalkylidene group or an .alpha.,.omega.-alkylene group, and end groups represented by the following general formulas ##STR2## wherein, R.sup.5 is a perfluoroalkyl group or substituted perfluoroalkyl group of 1 to 30 carbon atoms, Y is --CH.sub.2 --, e is an integer of 0 to 6, Z is --O--, --CO--, --OCO--, --S--, --SO--, --SO.sub.2 -- or --NHCO--, f is 0 or 1, R.sup.6 is a halogen atom, an alkyl group, a cycloalkyl group or an aryl group, and each of c and d is an integer satisfying c+d.ltoreq.5, c=1 to 5 and d=0 to 4, and an electrophotographic photoreceptor the photosensitive layer of which contains the polycarbonate of the specific structure as a component. The electrophotographic photoreceptor is produced by using a coating liquid which contains the polycarbonate and does not get cloudy (gel), and is practically useful since it maintains excellent mechanical strength, such as high plate wear, and excellent electrophotographic properties for a long period.
    • PCT No.PCT / JP93 / 00267 Sec。 371日期:1993年10月13日 102(e)1993年10月13日PCT 1993年3月3日PCT公布。 公开号WO93 / 18081 日期:1993年9月16日。聚碳酸酯和制备聚碳酸酯的方法,其包含由下列通式(I)表示的重复单元,其中R1和R2各自为卤素原子,烷基, 环烷基或芳基,a和b各自为0〜4的整数,X为单键,-O - , - CO - , - S - , - SO - , - SO 2 - , - CR 3 R 4 - (III),(IV)表示的端基,其中,R 1,R 2,R 3, R5为1〜30个碳原子的全氟烷基或取代全氟烷基,Y为-CH2-,e为0〜6的整数,Z为-O-,-CO-,-OCO-,-S-, -​​ SO - , - SO 2 - 或-NHCO-,f为0或1,R6为卤素原子,烷基,环烷基或芳基,c和d分别为满足c + = 5,c = 1〜5,d = 0〜4,以及电子照相感光体,其感光层含有 具体结构的聚碳酸酯作为组分。 电子照相感光体通过使用含有聚碳酸酯的涂布液而不发生浑浊(凝胶)而制造,并且实际上是有用的,因为它保持了优异的机械强度,例如高的板磨损和长时间的优异的电子照相特性。
    • 5. 发明授权
    • Polycarbonate resin, crosslinked polycarbonate resin and
electrophotographic photoreceptor
    • 聚碳酸酯树脂,交联聚碳酸酯树脂和电子照相感光体
    • US6043334A
    • 2000-03-28
    • US077605
    • 1998-06-02
    • Masami KanamaruTakaaki HikosakaShuji Sakamoto
    • Masami KanamaruTakaaki HikosakaShuji Sakamoto
    • C08G64/04C08G64/06C08G64/12C08G64/14G03G5/05C08G64/00
    • G03G5/0592C08G64/045C08G64/06C08G64/12C08G64/14G03G5/0564
    • A polycarbonate resin having crosslinking groups selected from among the functional groups mentioned above in the side chains, ends or main chain; a crosslinked polycarbonate resin made from the above resin through crosslinking; and an electrophotographic photoreceptor containing such a resin in its photosensitive layer. In said groups, h is an integer of 0 to 4, R.sup.7 and R.sup.8 are each hydrogen, alkyl or aryl; X', Y' and Z' are each a single bond, --O--, --CO--, --S--, --SO--, --SO.sub.2 -- or alkylene; R.sup.20 and R.sup.21 are each hydrogen, alkyl, cycloalkyl or aryl; R.sup.19 and R.sup.22 are each hydrogen, alkyl, cycloalkyl or aryl; R.sup.23 and R.sup.24 are each hydrogen, halogeno, alkyl, cycloalkyl, alkoxy or aryl; the sum of p and q is an integer of 1 or above; R.sup.25, R.sup.26, R.sup.27 and R.sup.28 are each hydrogen, halogeno, alkyl, alkyloxy, alkylthio, cycloalkyl, aryl, aryloxy or arylthio; n1 and n2 are each 0 or 1; R is halogeno, alkyl, alkyloxy, alkylthio, cycloalkyl, aryl, aryloxy or arylthio; and n3 and n4 are each an integer of 0 to 4.
    • PCT No.PCT / JP96 / 03543 Sec。 371日期1998年6月2日 102(e)1998年6月2日PCT 1996年12月4日PCT PCT。 出版物WO97 / 20878 日期:1997年12月12日在侧链,末端或主链中具有选自上述官能团的交联基团的聚碳酸酯树脂; 通过交联由上述树脂制成的交联聚碳酸酯树脂; 以及在其感光层中含有这种树脂的电子照相感光体。 在所述基团中,h为0至4的整数,R 7和R 8各自为氢,烷基或芳基; X',Y'和Z'各自为单键,-O - , - CO - , - S - , - SO - , - SO 2 - 或亚烷基; R 20和R 21各自为氢,烷基,环烷基或芳基; R 19和R 22各自为氢,烷基,环烷基或芳基; R 23和R 24各自为氢,卤代,烷基,环烷基,烷氧基或芳基; p和q之和为1以上的整数, R25,R26,R27和R28各自为氢,卤代,烷基,烷氧基,烷硫基,环烷基,芳基,芳氧基或芳硫基; n1和n2各自为0或1; R是卤代,烷基,烷氧基,烷硫基,环烷基,芳基,芳氧基或芳硫基; n3和n4分别为0〜4的整数。
    • 9. 发明授权
    • Polycarbonate containing compound from bis(3-phenyl-4-hydroxyphenyl)
    • 来自双(3-苯基-4-羟基苯基)
    • US4892924A
    • 1990-01-09
    • US287036
    • 1988-12-21
    • Kazuyoshi ShigematsuTakashi NakagawaShuji Sakamoto
    • Kazuyoshi ShigematsuTakashi NakagawaShuji Sakamoto
    • C07C39/15C07C39/16C07C43/21C07C43/23C07C43/295C08G64/04C08G64/06C08L69/00
    • C07C317/00C07C39/16C07C43/23C07C43/295C08G64/06
    • A polycarbonate polymer containing repeating units represented by the following general formula ##STR1## wherein: X is selected from single bond, ##STR2## wherein: R.sup.1 and R.sup.2 are each independently selected from hydrogen atom; alkyl radical of 1 to 6 carbon atoms; cycloalkyl radical of 5 to 6 carbon atoms; ##STR3## wherein p is an integer having a value of from 0 to 3; phenyl radicals substituted at para position by a substituent selected from alkoxy radicals of 1 to 5 carbon atoms, phenoxy radicals, or halogen radicals; or p-biphenylyl radical, --CH.sub.2).sub.q wherein q is an integer having a value of from 2 to 10; or ##STR4## wherein r is an integer having a value of from 4 to 8, and having a reduced viscosity [.eta.sp/c] of at least 0.2 dl/g as measured in methylene chloride at a concentration of 0.5 g/dl at 20.degree. C.Such polycarbonates exhibit excellent optical properties such as high birefringence, and are useful as materials for optical devices.Also, a process for preparing the polycarbonates and novel dihydric phenols which can be used as materials for the polycarbonates are disclosed.
    • 含有由以下通式表示的重复单元的聚碳酸酯聚合物,其中:X选自单键,其中:R 1和R 2各自独立地选自氢原子; 1至6个碳原子的烷基; 5至6个碳原子的环烷基; 其中p是0至3的整数; 苯基在对位被选自1至5个碳原子的烷氧基的取代基取代,苯氧基或卤素基; 或对联苯基,-CH 2)q其中q是具有2至10的整数; 或其中r是具有4至8的整数,并且在二氯甲烷中以0.5g / dl的浓度测量,其具有至少0.2dl / g的比浓粘度[η] / c]为 20℃。这种聚碳酸酯表现出优异的光学性能,例如高双折射性,并且可用作光学器件的材料。 另外,公开了可用作聚碳酸酯材料的聚碳酸酯和新型二元酚的制备方法。