-
公开(公告)号:JPH0934270A
公开(公告)日:1997-02-07
申请号:JP17770395
申请日:1995-07-13
Applicant: TORAY INDUSTRIES
Inventor: YAMADA HISAYOSHI , NAGASE KOICHI , SUZUKI YOSHIO
Abstract: PROBLEM TO BE SOLVED: To have a sensible image to be efficiently transferred onto an intermediate transfer medium and to have the sensible image on the intermediate transfer medium efficiently retransferred onto a material to be transferred by specifying the swelling rate of a release layer to a liquid toner to a specific value. SOLUTION: The swelling rate of the release layer of the intermediate transfer medium provided with the release layer on the surface to the liquid toner is specified to 5 to 40%. The retransfer from the intermediate transfer medium onto the material to be transferred is inferior if the swelling rate is below 5%. The retransfer from the intermediate transfer medium to the material to be transferred is good and the glossiness of printed images is not good if the swelling rate exceeds 40%. The release layer may be formed of any materials, insofar as the materials satisfy the prescribed swelling rate to the liquid toner. The release layer consisting of a straight silicone resin is used more preferably in terms of durability, film formability and the glossiness of printed images.
-
公开(公告)号:JPH08272152A
公开(公告)日:1996-10-18
申请号:JP9808995
申请日:1995-03-30
Applicant: TORAY INDUSTRIES
Inventor: NAGASE KOICHI , SUZUKI YOSHIO , TSUCHIMOTO TATSURO
Abstract: PURPOSE: To provide a negative electric liquid color developer which exerts excellent white base contaminating characteristic, dispersiveness, electrostatic charging characteristic, retaining property, and fixing performance. CONSTITUTION: A rosin-denatured resin is provided in such a composition that the acid value of resin is 50 to 250, the softening point lies 70-150 deg.C, and that the gum rosin content of the total rosin is over 20%; and toner particles are prepared from 55-92wt.% rosin-denatured resin, 5-30wt.% pigment, and 3-15wt.% plasticizer so that they have a mean particle diameter between 0.5-2.5μm. These toner particles are dispersed in a hydrocarbon solvent having a flash point between 70-120 deg.C.
-
公开(公告)号:JPH04110852A
公开(公告)日:1992-04-13
申请号:JP22983290
申请日:1990-08-30
Applicant: TORAY INDUSTRIES
Inventor: FUJIMARU KOICHI , NAGASE KOICHI , MORI YOICHI
Abstract: PURPOSE:To widen the latitude of an exposing and printing frame temp. and to improve an image characteristic even if the temp. is low by incorporating specific polyurethane into the carrier resin of a photosensitive layer. CONSTITUTION:This original plate is formed by successively laminating the photosensitive layer and a silicone rubber layer on a base and the polyurethane resin contg. polyalkylene glycol is used as a polyol component into the carrier resin of the photosensitive layer. Polytetramethylene glycol is preferably used as the above-mentioned glycol. Isophorone diisocyanate, etc., are usable as the isocyanate component and 1, 4 diaminocyclohexane, etc., are usable as the diamine component.
-
公开(公告)号:JPH01146970A
公开(公告)日:1989-06-08
申请号:JP30678987
申请日:1987-12-03
Applicant: TORAY INDUSTRIES
Inventor: NAGASE KOICHI , MORI YOICHI
IPC: H01B1/20 , C09D5/00 , C09D5/24 , C09D179/08
Abstract: PURPOSE:To obtain the title composition which can give, e.g., an oriented film of a liquid crystal element excellent in transparency, conductivity and heat resistance and capable of giving a clear display and a quick response, by dispersing a specified fine powder of a semiconductive metal oxide in a precursor polymer of a polyimide organic polymer. CONSTITUTION:A tetracarboxylic acid dianhydride (a) (e.g., 3,4,3',4'- diphenyltetracarboxylic dianhydride) is reacted with 1mol, per mol of component (a), of a diamine (B) (e.g., 4,4'-diaminodiphenyl ether) at 80 deg.C or below in an anhydrous condition in a solvent (e.g., N-methyl-2-pyrrolidone) to obtain a precursor polymer (A) of a polyimide organic polymer, comprising a varnish of a polyamic acid. 20-90 pts.wt. fine powder of a semiconductive metal oxide (B) of a mean particle diameter
-
公开(公告)号:JP2002244279A
公开(公告)日:2002-08-30
申请号:JP2001044028
申请日:2001-02-20
Applicant: TORAY INDUSTRIES
Inventor: GOTO KAZUOKI , NAGASE KOICHI
Abstract: PROBLEM TO BE SOLVED: To provide a direct pattern forming planographic printing plate having good image reproducibility and good plate inspectability. SOLUTION: The original plate of the direct pattern forming planographic printing plate has at least a heat sensitive layer and an ink-repellent layer in this order on a substrate and a dye is contained in the ink-repellent layer.
-
公开(公告)号:JP2002178656A
公开(公告)日:2002-06-26
申请号:JP2000379673
申请日:2000-12-14
Applicant: TORAY INDUSTRIES
Inventor: GOTO KAZUOKI , NAGASE KOICHI , MAEJIMA KEIICHI
Abstract: PROBLEM TO BE SOLVED: To provide a direct-drawing waterless lithographic printing plate showing an outstanding resistance to scratch. SOLUTION: This original plate for the direct-drawing waterless lithographic printing plate has at least a heat-sensitive layer and a silicon rubber layer formed in that order on a substrate. In addition, this original plate is characterized in that the silicone rubber layer contains a silicone resin.
-
公开(公告)号:JP2002137366A
公开(公告)日:2002-05-14
申请号:JP2000334408
申请日:2000-11-01
Applicant: TORAY INDUSTRIES
Inventor: NAGASE KOICHI , KURIYAMA YOSHIYUKI , MIYAGUCHI SEIGO
Abstract: PROBLEM TO BE SOLVED: To provide a method for managing a direct lithography type lithographic printing plate capable of regulating an ink supply amount at a printing time by accurately measuring a dot percent and confirming reproducibility of original data of a printing plate. SOLUTION: The method for managing the direct lithography type lithographic printing plate comprises the steps of measuring a reflection absorbance of the pattern having a known dot percent of the direct lithography type lithographic printing plate in which the pattern is formed, then confirming that the relation between the dot percent and the absorbance is simply increased or simply decreased, obtaining the relation between the dot percent (Y) and the reflection absorbance (X) from the measured value, measuring the absorbance of a printing element part of the lithographic printing plate in which a pattern having an unknown dot percent is formed, inferring the dot percent from the obtained relationship, and further regulating an ink supply amount suitable for printing with the plate based on the inferred value.
-
公开(公告)号:JP2002128904A
公开(公告)日:2002-05-09
申请号:JP2000326172
申请日:2000-10-25
Applicant: TORAY INDUSTRIES
Inventor: GOTO KAZUOKI , NAGASE KOICHI , BABA YUZURU
Abstract: PROBLEM TO BE SOLVED: To provide a preparation method of a silicone rubber solution and a silicone rubber solution suitable for an original plate for a direct drawing type non-aqueous lithographic plate capable of directly making plates for printing especially using a laser beam. SOLUTION: A preparation method of a silicone rubber solution has processes of: (1) dissolving at least a polydimethylsiloxane and a cross-linking agent in a solvent; (2) dehydrating a solution containing at least a polydimethylsiloxane and a cross-linking agent; and (3) adding a compound represented by general formula (I): (R1)4-nSiXn into a solution containing at least a polydimethylsiloxane and a cross-linking agent comprising after dehydration.
-
公开(公告)号:JP2001322227A
公开(公告)日:2001-11-20
申请号:JP2000145580
申请日:2000-05-17
Applicant: TORAY INDUSTRIES
Inventor: FUJIYOSHI KUNITAKA , GOTO KAZUOKI , NAGASE KOICHI
Abstract: PROBLEM TO BE SOLVED: To obtain a printing plate good in image reproducibility by performing development by water or a composition prepared by adding a surfactant to water. SOLUTION: In a direct drawing type waterless planographic printing original plate wherein at least an ink receiving layer and a silicone rubber layer are laminated on a support in this order, the contact angle of the ink receiving layer to water is 85 deg. or less and development is performed by water or the composition prepared by adding the surfactant to water.
-
公开(公告)号:JP2001312071A
公开(公告)日:2001-11-09
申请号:JP2000129940
申请日:2000-04-28
Applicant: TORAY INDUSTRIES
Inventor: GOTO KAZUOKI , AOKI SHINGO , NAGASE KOICHI
Abstract: PROBLEM TO BE SOLVED: To provide a developing method by which a direct pattern forming waterless planographic printing plate can be developed only with a water-based liquid and excellent image reproducibility is ensured. SOLUTION: In the method for developing a direct pattern forming waterless planographic printing plate, a means of removing residue of silicone rubber in the non-printing area removed by development is used.
-
-
-
-
-
-
-
-
-