Polymer Or Wax Receiver Surface Patents (Class 430/124.53)
  • Patent number: 7972760
    Abstract: The present invention provides an electrophotographic image receiving sheet including a support, and at least two toner image receiving layers formed over at least one surface of the support, wherein a mixture mass ratio M of a crystalline polymer and an amorphous polymer in each of the toner image receiving layers is defined as [A/(A+B)], where A represents a mass of the crystalline polymer (g), and B represents a mass of the amorphous polymer (g), and a mixture mass ratio M1 of the outermost toner image receiving layer which is located farthest from the support, and a mixture mass ratio M2 of the highest inner toner image receiving layer, which has the highest mixture mass ratio among the inner toner image receiving layers located under the outermost toner image receiving layer, satisfy the relation: M1<M2.
    Type: Grant
    Filed: April 8, 2008
    Date of Patent: July 5, 2011
    Assignee: Fujifilm Corporation
    Inventors: Ashita Murai, Shinji Fujimoto, Yasutomo Goto, Yoshio Tani
  • Patent number: 7972759
    Abstract: Provided are an electrophotographic image-receiving sheet that comprises a support, a toner image-receiving layer on at least one side of the support, wherein the toner image-receiving layer is formed from a coating liquid for the toner image-receiving layer and the coating liquid for the toner image-receiving layer comprises an aqueous dispersion that comprises a crystalline polymer, and an image forming method that employs the electrophotographic image-receiving sheet.
    Type: Grant
    Filed: July 17, 2007
    Date of Patent: July 5, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Shinji Fujimoto, Ashita Murai, Yasutomo Goto, Yoshio Tani, Masuo Murakami, Tetsuo Matsumoto
  • Publication number: 20100129747
    Abstract: The present invention provides an electrophotographic image receiving sheet including a support, and at least two toner image receiving layers formed over at least one surface of the support, wherein a mixture mass ratio M of a crystalline polymer and an amorphous polymer in each of the toner image receiving layers is defined as [A/(A+B)], where A represents a mass of the crystalline polymer (g), and B represents a mass of the amorphous polymer (g), and a mixture mass ratio M1 of the outermost toner image receiving layer which is located farthest from the support, and a mixture mass ratio M2 of the highest inner toner image receiving layer, which has the highest mixture mass ratio among the inner toner image receiving layers located under the outermost toner image receiving layer, satisfy the relation: M1<M2.
    Type: Application
    Filed: April 8, 2008
    Publication date: May 27, 2010
    Applicant: FUJIFILM Corporation
    Inventors: Ashita Murai, Shinji Fujimoto, Yasutomo Goto, Yoshio Tani
  • Patent number: 7687217
    Abstract: The present invention provides an image-receiving sheet for electrophotography which contains a support, and a raw paper, wherein the support contains at least one layer of a polymer coating layer on both surfaces of the raw paper and at least one layer of a toner image-receiving layer on a surface of the support; and the tensile strength in the Z-axis direction of the raw paper defined in the JAPAN TAPPI Paper and Pulp Test Method No. 18-1 is 350 kN/m2 to 650 kN/m2. The present invention also provides an image forming process using the image-receiving sheet for electrophotography.
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: March 30, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Shigehisa Tamagawa, Ashita Murai, Shinji Fujimoto
  • Publication number: 20090061348
    Abstract: The present invention provides an electrophotographic image-receiving sheet including a support having raw paper and a resin layer on at least one surface of the raw paper; and at least one coating layer on the support, wherein the thickness of the resin layer at least on the image-forming side is 5 ?m to 15 ?m, the coating layer contains at least hollow particles, and the amount of the hollow particles contained in the coating layer is 0.5 g/m2 or more.
    Type: Application
    Filed: August 26, 2008
    Publication date: March 5, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Hiroyuki Naoi, Atsushi Kato, Hirobumi Mitsuo
  • Patent number: 7429417
    Abstract: A sheet for forming process including a base material and at least one functional layer provided on a surface of the base material, wherein the functional layer has, at the outermost surface thereof, a surface resistivity of 1.0×108 to 1.0×1013 ?/?, and a surface of the base material, on which surface the functional layer is provided, contains at least one selected from polycarbonate resins and polyarylate resins; a method for manufacturing the sheet for forming process, an image forming method, a method for manufacturing a forming processed product using the sheet for forming process, and the forming processed product.
    Type: Grant
    Filed: June 8, 2005
    Date of Patent: September 30, 2008
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Tomoo Kobayashi, Tetsuro Kodera, Kunio Sakurai, Kaoru Torikoshi
  • Publication number: 20080070147
    Abstract: An electrophotographic image forming method is disclosed. The method includes steps of conveying a developer comprising a toner to a developing zone by a developing roller, and developing an electrostatic latent image formed on an electrostatic latent image carrying member by the developer, and the developing roller has an electroconductive shaft and a resin layer provided around the shaft, the resin layer comprises a surface layer containing silicone copolymer resin as the principal component and a layer containing resin-silica hybrid composite as a principal component provided directly under the surface layer.
    Type: Application
    Filed: September 6, 2007
    Publication date: March 20, 2008
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Satoshi UCHINO, Masahiro ANNO, Takeo OSHIBA, Okushi OKUYAMA, Shinya OBARA