-
公开(公告)号：DE69111645D1
公开(公告)日：1995-09-07
申请号：DE69111645
申请日：1991-03-13
Applicant: KAO CORP
Inventor： MISHIMA MASAYUKI , YAMASAKI HARUMASA , MATSUSE TAKASHI , SAKUMA TADASHI , TOGASHI HIROYASU
Abstract: A compound represented by the formula (1) : wherein Ar1 represents an arylene group; Ar2 and Ar3 independently represent an aryl group or an arylene group; R2 and R3, which may be identical or not, independently represent a hydrogen atom or an alkyl group having a carbon number of 4 or less, or R2 and R3 both represent -SiR4R5R6 (R4, R5 and R6, which may be identical or not, independently represent an alkyl group, aralkyl group or aryl group which may be substituted); R1 represents -SiR7R8R9 (R7, R8 and R9, which may be identical or not, independently represent an alkyl group, cycloalkyl group, aralkyl group or aryl group which may be substituted, or none (only in the case where R2 and R3 represent -SiR4R5R6), one or two of R7, R8 and R9 represent the following : wherein Ar1, Ar2, Ar3, R2 and R3 have the same definitions as above), a method of its production and a photoreceotor for electrophotography incorporating it as a charge transport material. The photoreceptor is very excellent in sensitivity and durability.
-
公开(公告)号：DE68922935T2
公开(公告)日：1996-02-08
申请号：DE68922935
申请日：1989-06-20
Applicant: KAO CORP
Inventor： MISHIMA MASAYUKI , YAMASAKI HARUMASA , MATSUSE TAKASHI , SAKUMA TADASHI , TOGASHI HIROYASU
IPC: C07D213/16 , C07D213/30 , C07D213/38 , C07D237/08 , C07D239/26 , C07D241/12 , C07D241/42 , C07D241/46 , C09B23/00 , C09B23/14 , G03G5/06
Abstract: A photoreceptor is useful for electrophotography and comprises (a) an electrically conductive substrate, (b) an electrric charge carrier generation layer and (c) an electric charge carrier transport layer containing therein an electric charge carrier transport compound having the formula (1): in which R1, R1 min and R1 sec each are hydrogen, a linear or branched alkyl, a linear or branched alkyl having a substituent(s), an aryl or an aryl having a substituent(s), R2, R3, R2 min , R3 min , R2 sec and R3 sec each are hydrogen, a linear or branched alkyl, a linear or branched alkyl having a substituent(s), an aryl, an aryl having a substituent(s), an alkenyl, an alkenyl having a substituent(s), a heterocyclic ring or a heterocyclic ring having a substituent(s), R2 and R3 may form a ring with their adjacent carbon, R2 min and R3 min may form a ring with their adjacent carbon and R2 sec and R3 sec may form a ring with their adjacent carbon, A is a trivalent, aromatic hydrocarbon group.
-
公开(公告)号：DE69505187D1
公开(公告)日：1998-11-12
申请号：DE69505187
申请日：1995-06-07
Applicant: KAO CORP
Inventor： MATSUSE TAKASHI , YANAGI HIDEKI , MITOBE HIROYUKI , MIYAMOTO MASAFUMI C O KAO CORP , NAWA MASAYOSHI
Abstract: Disclosed is a thermal transfer recording medium comprising a substrate provided thereon at least an ink layer which is to be transferred by heat application, characterized in that the loss tangent (tan delta ) of the ink layer in viscoelasticity measurement at a temperature of from 60 to 100 DEG C ranges from 0.4 to 2.5.
-
公开(公告)号：DE69505187T2
公开(公告)日：1999-05-20
申请号：DE69505187
申请日：1995-06-07
Applicant: KAO CORP
Inventor： MATSUSE TAKASHI , YANAGI HIDEKI , MITOBE HIROYUKI , MIYAMOTO MASAFUMI C O KAO CORP , NAWA MASAYOSHI
Abstract: Disclosed is a thermal transfer recording medium comprising a substrate provided thereon at least an ink layer which is to be transferred by heat application, characterized in that the loss tangent (tan delta ) of the ink layer in viscoelasticity measurement at a temperature of from 60 to 100 DEG C ranges from 0.4 to 2.5.
-
公开(公告)号：DE68922935D1
公开(公告)日：1995-07-13
申请号：DE68922935
申请日：1989-06-20
Applicant: KAO CORP
Inventor： MISHIMA MASAYUKI , YAMASAKI HARUMASA , MATSUSE TAKASHI , SAKUMA TADASHI , TOGASHI HIROYASU
IPC: C07D213/16 , C07D213/30 , C07D213/38 , C07D237/08 , C07D239/26 , C07D241/12 , C07D241/42 , C07D241/46 , C09B23/00 , C09B23/14 , G03G5/06
Abstract: A photoreceptor is useful for electrophotography and comprises (a) an electrically conductive substrate, (b) an electrric charge carrier generation layer and (c) an electric charge carrier transport layer containing therein an electric charge carrier transport compound having the formula (1): in which R1, R1 min and R1 sec each are hydrogen, a linear or branched alkyl, a linear or branched alkyl having a substituent(s), an aryl or an aryl having a substituent(s), R2, R3, R2 min , R3 min , R2 sec and R3 sec each are hydrogen, a linear or branched alkyl, a linear or branched alkyl having a substituent(s), an aryl, an aryl having a substituent(s), an alkenyl, an alkenyl having a substituent(s), a heterocyclic ring or a heterocyclic ring having a substituent(s), R2 and R3 may form a ring with their adjacent carbon, R2 min and R3 min may form a ring with their adjacent carbon and R2 sec and R3 sec may form a ring with their adjacent carbon, A is a trivalent, aromatic hydrocarbon group.
-
Patent Agency Ranking
公开(公告)号：JPH08300839A
公开(公告)日：1996-11-19
申请号：JP11052295
申请日：1995-05-09
Applicant: KAO CORP
Inventor： MITOBE HIROYUKI , MATSUSE TAKASHI , NAKAJIMA NORIHIKO
Abstract: PURPOSE: To transfer a printing image of excellent printing quality to a printing image transfer sheet from a thermal transfer recording medium and to enhance the peelability of a printing image in the case of the re-transfer of the printing image transferred to a printing image transfer sheet. CONSTITUTION: In a printing image transfer sheet re-transferring the printing image thermally transferred from a thermal transfer recording medium 16 by a thermal transfer system to the surface of the self-adhesive layer 24 of a film, a resin layer 11 composed of a polymer obtained by the long-chain alkylation of a natural or synthetic polymer is provided to the surface to which the printing image is thermally transferred.
-
公开(公告)号：JPH08290682A
公开(公告)日：1996-11-05
申请号：JP9713695
申请日：1995-04-21
Applicant: KAO CORP
Inventor： MITOBE HIROYUKI , MATSUSE TAKASHI , NAKAJIMA NORIHIKO
Abstract: PURPOSE: To provide an image transfer sheet that is available for providing excellent prints transferred from a thermal transfer recording medium to the image transfer sheet, and also providing excellent separability of images on re-transfer of the images transferred to the image transfer sheet. CONSTITUTION: An image transfer sheet 10 that executes re-transfer of images 20 transferred thereto by thermal transfer method from a thermal transfer recording medium to the surface of a sticking agent layer 24 of a film having the sticking agent layer 24 is provided with a layer 11 made of aminoalkyd resin or silicone denatured aminoalkyd resin at its surface on which the images are transferred by thermal transfer.
-
公开(公告)号：JPH0858243A
公开(公告)日：1996-03-05
申请号：JP21384494
申请日：1994-09-07
Applicant: KAO CORP
Inventor： MIYAMOTO KATSUSHI , MATSUSE TAKASHI , MITOBE HIROYUKI , NAWA MASAYOSHI
Abstract: PURPOSE: To provide a thermal transfer recording medium enabling sharp and inexpensive thermal transfer recording of high image quality on a smooth receiving material. CONSTITUTION: In a thermal transfer recording medium used in a method forming an image forming a negative type mask plate on a smooth receiving material by a melt thermal transfer recording method, at least a thermal transfer ink is provided on a base material. The thermal transfer layer contains 10-90wt.% of an isocyanate polymer of a higher fatty acid/polyhydric alcohol ester having a melt viscosity of 3000-50000cSt at 100 deg.C and 10-90wt.% of one or more kind of an ethylene/vinyl acetate resin with a melt flow rate of 5-2000 dg/min.
-
公开(公告)号：JPH05307270A
公开(公告)日：1993-11-19
申请号：JP11156292
申请日：1992-04-30
Applicant: KAO CORP
Inventor： MISHIMA MASAYUKI , YAMAZAKI HARUMASA , MATSUSE TAKASHI , SAKUMA TADASHI
Abstract: PURPOSE:To enhance image density without deteriorating transfer efficiency by incorporating a specified stilbene compound in the surface layer of the photosensitive material. CONSTITUTION:The electrophotographic sensitive body is provided on a conductive substrate 1 with a charge generating layer 2 formed on this, and as the, surface layer, the charge transfer layer 3 containing the stilbene compound represented by the formula in which A is cyano or nitro, and D is H, an alkyl, alkoxy, or-NR R : and each of R and R is, independently, an alkyl or each may form a ring together with the adjacent N atom, thus permitting electrostatic attractive force and van der Waals' force exerted between a toner and the photosensitive material to be raised by incorporating the stilbene compound in the surface layer of the photosensitive material and image density to be enhanced and it is preferred that these forces are smaller in a transfer section but they do not deteriorate the transfer performance.
-
公开(公告)号：JPH05307269A
公开(公告)日：1993-11-19
申请号：JP11156192
申请日：1992-04-30
Applicant: KAO CORP
Inventor： MISHIMA MASAYUKI , YAMAZAKI HARUMASA , MATSUSE TAKASHI , SAKUMA TADASHI
Abstract: PURPOSE:To enhance image density without deteriorating transfer efficiency by incorporating a specified imine compound in the uppermost electric charge transfer surface layer. CONSTITUTION:The elecrophotographic sensitive body is provided on a conductive substrate 1 with a charge generating layer 2 formed on this, and as the surface layer, the charge transfer layer 3 containing the imine compound represented by the formula in which A is cyano or nitro, and D is H, an alkyl, or an alkoxy, preferably, a
-
-
-
-
-
-
-
-
-
Search Results
86
records
(took 0.021 seconds)
