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    • 96. 发明授权
    • Process for removal and recovery of an arylamine compound
    • 芳胺化合物的除去和回收方法
    • US06096927A
    • 2000-08-01
    • US365486
    • 1999-08-02
    • Satish R. ParikhEdward J. Radigan, Jr.Anthony M. HorganJohn A. Bergfjord, Sr.
    • Satish R. ParikhEdward J. Radigan, Jr.Anthony M. HorganJohn A. Bergfjord, Sr.
    • C07C209/86C07C211/50C07C211/00
    • C07C209/86
    • A process for recovery of N,N'-bis(alkylphenyl)-[1,1'-biphenyl]-4,4'-diamine from an electrophotographic imaging member, the process includingproviding an electrophotographic imaging member including at least one imaging layer, the imaging layer including a film forming binder and N,N'-bis(alkylphenyl)[1,1'-biphenyl]-4,4'-diamine,contacting the at least one imaging layer with warm toluene to dissolve toluene soluble materials including the film forming binder and N,N'-bis(alkylphenyl)-[1,1'-biphenyl]-4,4'-diamine to form a mixture containing undissolved material and a solution of toluene and the toluene soluble materials,isolating the solution from the undissolved material,concentrating the solution in a partial vacuum and with applied heat,cooling the concentrate,mixing the concentrate with acetone to precipitate the N,N'-bis(alkylphenyl)-[1,1'-biphenyl]-4,4'-diamine,separating the N,N'-bis(alkylphenyl)-[1,1'-biphenyl]-4,4'-diamine precipitate from the concentrate,washing the N,N'-bis(alkylphenyl)-[1,1'-biphenyl]-4,4'-diamine precipitate with acetone,drying the N,N'-bis(alkylphenyl)-[1,1'-biphenyl]-4,4'-diamine precipitate,and purifying the N,N'-bis(alkylphenyl)-[1,1'-biphenyl]-4,4'-diamine precipitate.
    • 一种从电子照相成像部件回收N,N'-双(烷基苯基) - [1,1'-联苯] -4,4'-二胺的方法,该方法包括提供电子照相成像部件,其包括至少一个成像层 ,成像层包括成膜粘合剂和N,N'-双(烷基苯基)[1,1'-联苯] -4,4'-二胺,使至少一个成像层与热甲苯接触以溶解甲苯可溶物 包括成膜粘合剂和N,N'-双(烷基苯基) - [1,1'-联苯] -4,4'-二胺以形成含有未溶解材料的混合物和甲苯和甲苯可溶物质的溶液, 来自未溶解材料的溶液,将溶液浓缩在部分真空中并加热,冷却浓缩物,将浓缩物与丙酮混合以沉淀N,N'-双(烷基苯基) - [1,1'-联苯] - 4,4'-二胺,从浓缩物中分离出N,N'-双(烷基苯基) - [1,1'-联苯] -4,4'-二胺沉淀物,洗涤 N,N'-双(烷基苯基) - [1,1'-联苯] -4,4'-二胺与丙酮沉淀,干燥N,N'-双(烷基苯基) - [1,1'-联苯基] - 4,4'-二胺沉淀,纯化N,N'-双(烷基苯基) - [1,1'-联苯] -4,4'-二胺沉淀。
    • 97. 发明授权
    • Layered, flexible electrophotographic imaging member having hole
blocking and adhesive layers
    • 层状柔性电子照相成像构件,具有空穴阻挡层和粘合剂层
    • US4786570A
    • 1988-11-22
    • US41019
    • 1987-04-21
    • Robert C. U. YuAnthony M. HorganDonald P. SullivanJohn A. Bergfjord
    • Robert C. U. YuAnthony M. HorganDonald P. SullivanJohn A. Bergfjord
    • G03G5/14
    • G03G5/142
    • A flexible electrophotographic imaging member is disclosed which comprises a flexible substrate having an electrically conductive surface, a hole blocking layer comprising an aminosilane reaction product, an adhesive layer having a thickness between about 200 angstroms and about 900 angstroms consisting essentially of at least one copolyester resin having the following formula: ##STR1## wherein the diacid is selected from the group consisting of terephthalic acid, isophthalic acid, and mixtures thereof, the diol comprises ethylene glycol, the mole ratio of diacid to diol is 1:1, n is a number between about 175 and about 350 and the T.sub.g of the copolyester resin is between about 50.degree. C. to about 80.degree. C., the aminosilane also being a reaction product of the amino group of the silane with the --COOH and --OH end groups of the copolyester resin, a charge generation layer comprising a film forming polymeric component, and a diamine hole transport layer, the hole transport layer being substantially non-absorbing in the spectral region at which the charge generation layer generates and injects photogenerated holes but being capable of supporting the injection of photogenerated holes from the charge generation layer and transporting the holes through the charge transport layer. Processes for fabricating and using the flexible electrophotographic imaging member are also disclosed.
    • 公开了一种柔性电子照相成像构件,其包括具有导电表面的柔性基底,包含氨基硅烷反应产物的空穴阻挡层,具有约200埃至约900埃之间的厚度的粘合剂层,其基本上由至少一种共聚酯树脂 具有下式:其中二酸选自对苯二甲酸,间苯二甲酸及其混合物,二醇包括乙二醇,二酸与二醇的摩尔比为1:1,n为数 在约175和约350之间,共聚酯树脂的Tg在约50℃至约80℃之间,氨基硅烷也是硅烷的氨基与-COOH和-OH端基的反应产物 的共聚酯树脂,包含成膜聚合物组分的电荷产生层和二胺空穴传输层,空穴传输层为基质 在电荷产生层产生的光谱区域中不吸收,并且注入光生孔,但是能够支持从电荷产生层注入光生空穴并将空穴传送通过电荷输送层。 还公开了用于制造和使用柔性电子照相成像构件的方法。