摘要:
A charge transporting material comprising a 1,3-pentadiene derivative having formula (I):A--CH.dbd.CH--CH.dbd.CH--CH.sub.2 --A (I)wherein A represents a 9-anthryl group which may have a substituent, a N-substituted carbazolyl group which may have a substituent, a N-substituted phenothiazinyl group which may have a substituent or ##STR1## in which Ar represents an arylene group which may have a substituent, R.sup.1 and R.sup.2 each represent an alkyl group which may have a substituent, an aralkyl group which may have a substituent, or an aryl group which may have a substituent; an electrophotographic photoconductor comprising an electroconductive support and a photoconductive layer formed thereon, which comprises as an effective component at least one of the 1,3-pentadiene derivatives of the above formula (I); and novel 1,3-pentadiene derivatives of the formula (I), provided that in the formula (I), R.sup.1 and R.sup.2 cannot be a methyl group at the same time, are disclosed.
摘要:
An electrophotographic photoconductor is disclosed, which comprises an electroconductive support and a photoconductive layer formed thereon comprising as an effective component at least one [2,2]paracyclophane compound formula (I): ##STR1## wherein R.sup.1 and R.sup.2 independently represent an alkyl group having 1 to 4 carbon atoms, which may have a substituent, or an aryl group which may have a substituent; R.sup.3 and R.sup.4 each represent hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms, or a halogen; and m is an integer of 1 to 3, and n is an integer of 1 to 4, and R.sup.3 and R.sup.4 may be the same or different when m and n are both 2 or more. Furthermore, novel [2,2]paracyclophane compounds for use in the electrophotographic photoconductor and methods of producing the same are disclosed.
摘要:
Styrene derivatives of the formula ##STR1## an electrophotographic photoconductor comprising an electroconductive support material and a photosensitive layer comprising at least one styrene derivatives of the same formula are disclosed, in which Ar represents an unsubstituted of substituted phenyl group or an unsubstituted or substituted styryl group, R represents hydrogen, a lower alkyl group or an unsubstituted or substituted phenyl group, and A is selected from the group consisting of ##STR2## wherein R.sup.1 represents a lower alkyl group or a lower alkoxy group, R.sup.2 and R.sup.3 each represents a lower alkyl group, an aralkyl group, or an unsubstituted or substituted phenyl group.
摘要:
An electrophotographic photoconductor is disclosed, which comprises an electroconductive support and a photoconductive layer formed thereon comprising as an effective component at least one triphenylamine compound represented by the following formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each represent hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms, or a halogen, which may be the same or different. Further, novel triphenylamine compounds for use in the electrophotographic photoconductor are disclosed.
摘要:
Styryl derivatives of the formula ##STR1## and an electrophotographic photoconductor comprising an electroconductive support material and a photosensitive layer comprising at least one styryl derivative of the same formula are disclosed, in which R.sup.1 is selected from the group consisting of an alkyl group, a substituted alkyl group, an aryl group and substituted aryl group; R.sup.2 is selected from the group consisting of hydrogen, an alkyl group, a substituted alkyl group, an aryl group and a substituted aryl group; and Ar represents an aryl group or a substituted aryl group.
摘要:
Styryl derivatives of the formula ##STR1## an electrophotographic photoconductor comprising an electroconductive support material and a photosensitive layer comprising at least one styryl derivative of the same formula are disclosed, in which R.sup.1 is selected from the group consisting of an alkyl group, a substituted alkyl group, an aryl group and substituted aryl group; R.sup.2 is selected from the group consisting of hydrogen, an alkyl group, a substituted alkyl group, an aryl group and a substituted aryl group; and Ar represents an aryl group or a substituted aryl group.
摘要:
An aqueous ink composition for general use and for ink-jet printing which comprises, as its main components at least one dye selected from the group consisting of a cyan azo dye, a megenta azo dye and a yellow azo dye and a humectant.
摘要:
The present invention provides trisazo compounds expressed by the general formula I ##STR1## [wherein A represents ##STR2## (wherein R represents hydrogen, alkyl radical, alkoxy radical, nitro radical, dialkylamino radical or halogen, and n is an integer of 1, 2 or 3, R may be either identical or different when n is an integer of 2 or 3)]; a process for the preparation of said trisazo compounds; and electrophotographic sensitive materials having a high sensitivity as well as a high flexibility which comprise a conductive support and a photosensitive layer containing a trisazo compound, as an effective ingredient thereof, which is expressed by the general formula II ##STR3## [wherein A' represents ##STR4## (wherein Z represents aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as indole ring, carbazole ring, benzofuran ring, etc. or their substituents, Ar.sub.1 represents aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as dibenzofuran ring, etc. or their substituents, Ar.sub.2 and Ar.sub.3 represent aromatic rings such as benzene ring, naphthalene ring, etc. or their substituents, R.sub.1 and R.sub.3 represent hydrogen, lower alkyl radical, phenyl radical or their substituents, and R.sub.2 represents lower alkyl radical, carboxyl radical or their esters)].
摘要:
The present invention provides disazo compounds expressed by the general formula I ##STR1## [wherein A represents ##STR2## (wherein R represents alkyl radical, alkoxy radical, nitro radical, dialkylamino radical or halogen, n is 0 or an integer of 1, 2 or 3, and R may be either identical or different when n is an integer of 2 or 3)]; a process for the preparation of said compounds; and electrophotographic sensitive materials having a high sensitivity as well as a high flexibility which comprise a conductive support and a photosensitive layer formed thereon, said photosensitive layer containing a disazo compound, as an effective ingredient, which is expressed by the general formula II ##STR3## [wherein A' represents ##STR4## (wherein X represents aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as indole ring, carbazole ring, benzofuran ring, etc. or their substituents, Ar.sub.1 represents aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as dibenzofuran, etc. or their substituents, Ar.sub.2 and Ar.sub.3 represent aromatic rings such as benzene ring, naphthalene ring, etc. or their substituents, R.sub.1 and R.sub.3 represent respectively hydrogen, lower alkyl radical, phenyl radical or their substituents, and R.sub.2 represents lower alkyl radical, carboxyl radical or their esters)].
摘要:
The present invention provides disazo compounds expressed by the general formula I ##STR1## a process for the preparation of said compounds; and electrophotographic sensitive material having a high sensitivity as well as a high flexibility which comprise a conductive support and a photosensitive layer formed thereon, said photosensitive layer containing a disazo compound, as an effective ingredient, which is expressed by the general formula II A'--N.dbd.N--Z--N.dbd.N--A'.
摘要翻译:本发明提供由通式I表示的双偶氮化合物,其中所述化合物的制备方法为: 和具有高灵敏度的电子照相感光材料以及包含导电性支持体和形成在其上的感光层的高柔性,所述感光层含有双偶氮化合物作为有效成分,其由通式IIA'- N = NZN = N-A'。