摘要:
An electrophotographic photoconductor is disclosed, which comprises an electroconductive support and a photoconductive layer comprising (i) a charge generation layer and (ii) a charge transport layer formed on the support, in which the charge generation layer comprises a charge generating material and one component selected from the group consisting of an aliphatic alcohol and a crown ether, or the charge transport layer comprises a charge transporting material and one component selected from the group consisting of an aliphatic alcohol, a polyalkylene glycol, a polyalkylene glycol ester, a polyalkylene glycol ether, and a crown ether.
摘要:
An electrophotographic photoconductor comprising an electroconductive support, an intermediate layer formed thereon, an a photoconductive layer formed on said intermediate layer, which intermediate layer comprises at least one component selected from the group consisting of: (a) monohydric aliphatic alcohol, (b) dihydric aliphatic alcohol, (c) polyethylene glycol, (d) polypropylene glycol, (e) polybutylene glycol, (f) polyethylene glycol monoester and/or polyethylene glycol diester, (g) polyethylene monoether, (h) crown ether, (i) a random or block copolymer having as structure units a hydroxyethylene group and a hydroxypropylene group, and hydroxyl groups at the terminal thereof, and (j) a polymer of a monomer having formula (I) and a copolymer of said monomer and a counterpart monomer: ##STR1## wherein R.sup.1 represents hydrogen or a methyl group; R.sup.2 represents hydrogen, a lower alkyl group or an unsubstituted or substituted aryl group; and n is an integer of 2 to 100.
摘要翻译:一种电子照相感光体,包括导电载体,形成在其上的中间层,形成在所述中间层上的光电导层,该中间层包含至少一种选自以下的组分:(a)一元脂族醇,(b)二羟基 脂肪醇,(c)聚乙二醇,(d)聚丙二醇,(e)聚丁二醇,(f)聚乙二醇单酯和/或聚乙二醇二酯,(g)聚乙烯单醚,(h)冠醚,(i) 具有羟基亚乙基和羟基亚丙基的结构单元和末端的羟基的无规或嵌段共聚物,和(j)具有式(I)的单体和所述单体与对应单体的共聚物的聚合物: 图像(I)其中R1表示氢或甲基; R 2表示氢,低级烷基或未取代或取代的芳基; n为2〜100的整数。
摘要:
An electrophotographic photoconductor is disclosed, which comprises an electroconductive support, a photoconductive layer formed on the electroconductive support, and an overcoat layer formed on the photoconductive layer, in which the overcoat layer comprises a binder resin and one component selected from the group consisting of a crown ether, a polyalkylene glycol, a polyalkylene glycol ester and a polyalkylene glycol ether. The overcoat layer may be composed of an intermediate layer formed on the photoconductive layer, and a protective layer formed on the intermediate layer in such a manner that any of the crown ether and polyalkylene glycol derivatives is contained in the intermediate layer.
摘要:
An electrophotographic photoconductor is disclosed, which comprises an electroconductive support, an undercoat layer formed on the electroconductive support, comprising at least one metal oxide selected from the group consisting of zirconium oxide, magnesium oxide, calcium oxide, beryllium oxide and lanthanum oxide, and a photoconductive layer comprising a charge generating layer and a charge transporting layer, formed on the undercoat layer.
摘要:
An electrophotographic image formation method using an electrophotographic photoconductor composed of an electroconductive support, and a photoconductive layer including a charge generation layer and a charge transport layer which are successively overlaid on the support, having the steps of charging the surface of the electrophotographic photoconductor uniformly to a predetermined polarity, exposing the charged surface of the photoconductor to light images to form electrostatic latent images thereon, developing the electrostatic latent images to visible toner images by a developer, transferring the toner images to an image-receiving medium, and cleaning the surface of the photoconductor, with the concentration of ozone in the ambient atmosphere around the photoconductor being controlled in the range from 5 to 50 ppm, and the abrasion of the photoconductive layer being controlled to 300 .ANG. or less per 1000 revolutions of the photoconductor.
摘要:
An electrophotographic photoconductor is disclosed, which comprises an electroconductive substrate, an undercoat layer formed on the electroconductive substrate, and a photoconductive layer comprising a charge generation layer and a charge transport layer formed on the undercoat layer, wherein the undercoat layer comprises a binder resin and a modified indium oxide having exothermic peaks in the range of 200.degree. to 600.degree. C. detected by the differential thermal analysis, which modified indium oxide is prepared by pretreatment with a hydroxyl-group-containing compound, an amino-group-containing compound, or an ether-group-containing compound.
摘要:
A layered type electrophotographic photoconductor includes an electroconductive support; and a photoconductive layer formed thereon, which photoconductive layer contains a charge generation layer and a charge transport layer, which are overlaid, with the charge generation layer containing a polyalkylene glycol and/or a derivative thereof and/or a crown ether, and the charge transport layer containing an antioxidant. Alternatively, an undercoat layer may be interposed between the electroconductive support and the photoconductive layer, with the undercoat layer containing a polyalkylene glycol and/or a derivative thereof and/or a crown ether, and the charge transport layer containing an antioxidant.
摘要:
This invention relates to new propanolamine derivatives or salts thereof represented by the following formula [I]: Wherein each symbol is as defined in the specification or salts thereof which have gut selective sympathomimetic, anti-ulcerous, anti-pancreatitis, lipolytic, anti-urinary incontinence and anti-pollakiuria activities, to processes for the preparation thereof, to a pharmaceutical composition comprising the same and to a method for the prevention and/or treatment diseases indicated in the specification to a human being or an animal.
摘要:
The present invention relates to a compound formula (I) wherein X1 is bond or —O—CH2—, (II) or (III) R1 is hydrogen or an amino protective group, a is phenyl, indolyl or carbazolyl, each of which may be substituted with one or two substituent(s), and B is hydrogen; halogen; lower alkyl; lower alkoxycarbonyl; cyclo(lower)alkyl; or a heterocyclic group, naphthyl, 1,2,3,4-tetrahydronaphthyl, benzyl or phenyl, each of which may be substituted with one or two substituent(s), or a salt thereof. The compound (I) of the present invention and pharmaceutically acceptable salts thereof are useful for the prophylactic and/or the therapeutic treatment of pollakiures or urinary incontinence.
摘要:
Propanolamine derivatives represented by the following formula (I): These derivatives may be &bgr;3 agonists and exert sympathomimetic, anti-ulcerous, anti-pancreatitis, lipolytic and anti-urinary incontinence and anti-pollakiuria activities. Pharmaceutical compositions containing such propanolamine derivatives, methods for the prevention and/or treatment diseases using these propanolamine derivatives, and processes for their preparation are also described.