会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 7. 发明申请
    • ELECTROPHOTOGRAPHIC APPARATUS AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
    • 电子照相设备和电子照相感光构件
    • US20110287350A1
    • 2011-11-24
    • US13107425
    • 2011-05-13
    • Yukihiro Abe
    • Yukihiro Abe
    • G03G15/00
    • G03G15/75G03G5/047G03G5/14G03G2215/00957
    • An electrophotographic apparatus and an electrophotographic photosensitive member for use in the electrophotographic apparatus are provided. The number of intermediate layers between a photoconductive layer and a surface layer is an odd number more than 2, and the refractive index monotonically decreases from the photoconductive layer toward the surface layer. The refractive index of an odd-numbered intermediate layer is in a predetermined range of the geometrical mean of the refractive indices of the two layers adjacent to the odd-numbered intermediate layer, and the product of the refractive index and the thickness is in a specific range of an odd multiple of λ/4n. The sum of the products of the refractive indices and the thicknesses of one or more intermediate layers disposed between at least two odd-numbered intermediate layers is in a range of −π/2
    • 提供了用于电子照相设备中的电子照相设备和电子照相感光构件。 光电导层和表面层之间的中间层的数目是奇数超过2,折射率从光电导层向表面层单调减小。 奇数中间层的折射率在与奇数编号的中间层相邻的两层的折射率的几何平均值的预定范围内,折射率和厚度的乘积处于特定的 λ/ 4n的奇数倍的范围。 设置在至少两个奇数中间层之间的折射率和一个或多个中间层的厚度的乘积的总和在 - &pgr / / 2<<<<<&pgr; / 2的范围内 阶段
    • 9. 发明申请
    • Process for Production of Polybenzazole Polymer and the Polymer
    • 聚吲哚聚合物和聚合物的生产工艺
    • US20080269455A1
    • 2008-10-30
    • US12066819
    • 2006-09-11
    • Naoki WatanabeGo MastuokaFuyuhiko KubotaYukihiro AbeYasuko Mitooka
    • Naoki WatanabeGo MastuokaFuyuhiko KubotaYukihiro AbeYasuko Mitooka
    • C08G73/22
    • C08G73/22C08G73/18C08G75/32
    • PROBLEMS The present invention relates to a process for producing a polybenzoxazole polymer and provides a process for producing the polybenzoxazole polymer within a short reaction time. MEANS FOR SOLVING PROBLEMS A process for producing a polybenzazole polymer comprises producing the polybenzazole polymer in a non-oxidizing dehydrating solvent while employing a compound represented by the following general formula (1) as a raw material including a first polymerization step in which polymerization is performed at a temperature of 150° C. or less and a latter polymerization step in which polymerization is performed at a temperature of 200° C. or more, wherein at least the latter polymerization step is performed in a kneading-type reaction apparatus to complete the polymerization reaction: wherein X represents an O atom, an S atom or an NH group; Ar1 represents a tetravalent organic group having two or less of benzene rings, naphthalene rings or pyridine rings; Ar2 represents a bivalent organic group having two or less of benzene rings, naphthalene rings or pyridine rings; both of Ar1 and Ar2 may have one or more functional groups such as a methyl group and a hydroxyl group; and R represents H or a univalent organic group with a carbon number of 1 to 6.
    • 聚苯并恶唑聚合物的制造方法技术领域本发明涉及聚苯并恶唑聚合物的制造方法,其提供在短的反应时间内生产聚苯并恶唑聚合物的方法。 解决问题的手段聚吲哚聚合物的制造方法包括在使用由以下通式(1)表示的化合物作为原料的非氧化性脱水溶剂中制造聚吲哚聚合物,其包括进行聚合的第一聚合步骤 在150℃以下的温度下进行聚合,后一聚合步骤在200℃或更高温度下进行聚合,其中至少在后一聚合步骤在捏合型反应设备中进行以完成 聚合反应:其中X表示O原子,S原子或NH基团; Ar 1表示具有2个以下苯环,萘环或吡啶环的四价有机基团; Ar 2表示具有两个或更少个苯环,萘环或吡啶环的二价有机基团; Ar 1和Ar 2 2都可以具有一个或多个官能团,例如甲基和羟基; 且R表示H或碳数为1至6的一价有机基团。