Aryl amine polycondensation polymers
    4.
    发明授权
    Aryl amine polycondensation polymers 失效
    芳胺缩聚聚合物

    公开(公告)号:US5419992A

    公开(公告)日:1995-05-30

    申请号:US36162

    申请日:1993-03-24

    IPC分类号: G03G5/07 G03G15/02

    CPC分类号: G03G5/076

    摘要: A process for the preparation of aryl amine polycondensation polymers useful in electrophotographic imaging members, which process comprises the interfacial polymerization of an aryl amine diol dissolved in an alkaline aqueous phase with a bifunctional acid halide dissolved in an organic solvent, resulting in polymers with high molecular weight and narrow molecular weight distribution (M.sub.w /M.sub.n) of from between about 50,000 to about 350,000, and a M.sub.w /M.sub.n of from about 1 to about 4.

    摘要翻译: 用于制备用于电子照相成像构件的芳基胺缩聚聚合物的方法,该方法包括将溶解在碱性水相中的芳基胺二醇与溶于有机溶剂中的双功能酰卤的界面聚合,得到高分子量的聚合物 重量和窄分子量分布(Mw / Mn)为约50,000至约350,000,Mw / Mn为约1至约4。

    Photoconductive imaging members with diaryl biarylylamine copolymer
charge transport layers
    5.
    发明授权
    Photoconductive imaging members with diaryl biarylylamine copolymer charge transport layers 失效
    具有二芳基二芳基胺共聚物电荷传输层的光导成像构件

    公开(公告)号:US4959288A

    公开(公告)日:1990-09-25

    申请号:US332207

    申请日:1989-04-03

    摘要: A photoconductive imaging member comprised of a photogenerating layer, and a charge transport layer comprised of diaryl biarylylamine copolymers of the formula ##STR1## wherein A and B are independently selected from bifunctional linkages; Z is alkylenedioxy, arylenedioxy, or substituted derivatives thereof; R and R' are alkyl, aryl, substituted alkyl, substituted aryl, alkoxy, or halogen; x and y are mole fractions wherein x and y are greater than 0 and the sum of x and y is equal to 1.0; a and b are the numbers 0, 1 or 2; and n represents the number of monomer segments.

    摘要翻译: 包含光生成层和由式(I)的二芳基二芳基甲基胺共聚物构成的电荷传输层的感光成像构件,其中A和B独立地选自双官能键; Z是亚烷基二氧基,亚芳基二氧基或其取代衍生物; R和R'是烷基,芳基,取代的烷基,取代的芳基,烷氧基或卤素; x和y是摩尔分数,其中x和y大于0,x和y的和等于1.0; a和b是数字0,1或2; n表示单体链段的数目。

    Method of making a high sensitivity visible and infrared photoreceptor
    6.
    发明授权
    Method of making a high sensitivity visible and infrared photoreceptor 失效
    制造高灵敏度可见光和红外感光体的方法

    公开(公告)号:US5698359A

    公开(公告)日:1997-12-16

    申请号:US782236

    申请日:1997-01-13

    IPC分类号: G03G5/047 G03G5/07

    CPC分类号: G03G5/047 G03G5/076

    摘要: A process for fabricating an electrophotographic imaging member including providing a supporting substrate, forming a charge generating layer on the substrate, applying a coating composition to the charge generating layer, the coating composition including a film forming charge transporting polymer dissolved in methylene chloride and a solvent selected from the group consisting of 1,2 dichloroethane, 1,1,2 trichloroethane or mixtures thereof, the charge transporting polymer having a backbone comprising active arylamine moieties along which charge is transported, and drying the coating to form a charge transporting layer.

    摘要翻译: 一种用于制造电子照相成像构件的方法,包括提供支撑衬底,在衬底上形成电荷产生层,向电荷产生层施加涂层组合物,涂层组合物包括溶解在二氯甲烷中的成膜电荷输送聚合物和溶剂 选自1,2-二氯乙烷,1,1,2-三氯乙烷或其混合物,电荷输送聚合物具有包含活性芳基胺部分的主链,电荷被输送到该主链部分,并干燥该涂层以形成电荷输送层。

    Imaging member with polycarbonate obtained from cyclic oligomers
    7.
    发明授权
    Imaging member with polycarbonate obtained from cyclic oligomers 失效
    具有由环状低聚物获得的聚碳酸酯的成像构件

    公开(公告)号:US5300392A

    公开(公告)日:1994-04-05

    申请号:US905697

    申请日:1992-06-29

    CPC分类号: C08G64/30 G03G5/0564

    摘要: A process for the preparation of photoconductive imaging members which comprises coating a supporting substrate with a photogenerator layer comprised of photogenerating pigments, and subsequently applying to the photogenerating layer a mixture comprised of charge transport molecules and cyclic oligomers, and wherein said mixture is heated to obtain polycarbonate resin binder from said cyclic oligomers.

    摘要翻译: 一种用于制备感光成像构件的方法,其包括用由光生颜料组成的光发生器层涂覆支撑基底,随后将由电荷传输分子和环状低聚物组成的混合物应用于光生成层,并且其中加热所述混合物以获得 所述环状低聚物的聚碳酸酯树脂粘合剂。

    Bisphenol based polyesters useful in photoreceptor matrices
    9.
    发明授权
    Bisphenol based polyesters useful in photoreceptor matrices 失效
    用于感光体基质的双酚基聚酯

    公开(公告)号:US5162485A

    公开(公告)日:1992-11-10

    申请号:US626849

    申请日:1990-12-13

    CPC分类号: G03G5/056 C08G63/193

    摘要: Bisphenol-based polyesters and a process for their preparation having a first step of diacetylizing the bisphenol then polymerizing the diacetate with an aromatic diacid and an aliphatic diacid are disclosed. The bisphenol-based polyesters can be used as binder components in a charge transport or charge generation layers of an organic photoreceptor.

    摘要翻译: 公开了双酚基聚酯及其制备方法,其具有使双酚二乙酰化的第一步,然后用芳族二酸和脂族二酸聚合二乙酸酯。 双酚类聚酯可以用作有机感光体的电荷输送层或电荷产生层中的粘合剂成分。

    Process for depositing gelable composition that includes dissolving gelable composition in liquid with agitating to disrupt gelling
    10.
    发明授权
    Process for depositing gelable composition that includes dissolving gelable composition in liquid with agitating to disrupt gelling 有权
    用于沉积可胶凝组合物的方法,其包括将可胶凝组合物溶解在液体中,搅拌以破坏胶凝

    公开(公告)号:US06890868B2

    公开(公告)日:2005-05-10

    申请号:US10273896

    申请日:2002-10-17

    摘要: A process including: (a) selecting a composition including a polymer and a liquid, wherein the polymer exhibits lower solubility in the liquid at room temperature but exhibits greater solubility in the liquid at an elevated temperature, wherein the composition gels when the elevated temperature is lowered to a first lower temperature without agitation; (b) dissolving at the elevated temperature at least a portion of the polymer in the liquid; (c) lowering the temperature of the composition from the elevated temperature to the first lower temperature; (d) agitating the composition to disrupt any gelling, wherein the agitating commences at any time prior to, simultaneous with, or subsequent to the lowering the elevated temperature of the composition to the first lower temperature: (e) depositing a layer of the composition wherein the composition is at a second lower temperature lower than the elevated temperature; and (f) drying at least partially the layer.

    摘要翻译: 一种方法,包括:(a)选择包含聚合物和液体的组合物,其中聚合物在室温下在液体中表现出较低的溶解度,但在升高的温度下在液体中表现出较高的溶解度,其中当升高的温度为 在不搅拌的情况下降至第一较低温度; (b)在升高的温度下将聚合物的至少一部分溶解在液体中; (c)将组合物的温度从升高的温度降低到第一较低温度; (d)搅拌组合物以破坏任何胶凝,其中搅拌在组合物的升高温度降低到第一较低温度之前,同时或之后的任何时间开始:(e)沉积组合物层 其中所述组合物处于低于升高的温度的第二较低温度; 和(f)至少部分干燥该层。