公开(公告)号：US20240302770A1

公开(公告)日：2024-09-12

申请号：US18584040

申请日：2024-02-22

Applicant: CANON KABUSHIKI KAISHA

Inventor： ATSUSHI HORI ,  HARUKI MORI ,  SHOTA INOUE ,  KAORU OKAMOTO ,  MASAYUKI ONUMA ,  YUSUKE BABA ,  TAKESHI SUZUKI

IPC: G03G15/16

CPC classification number: G03G15/162 ,  G03G2215/1623

Abstract: An electrophotographic member comprising: a base material; an elastic layer on the base material; and a surface layer on the elastic layer, wherein the elastic layer comprises silicone rubber, the surface layer comprises fluoro rubber, a thickness of the surface layer is 3 μm or more, an elastic deformation power ηIT calculated from a load displacement curve, obtained with a nanoindentation test according to ISO 14577 by bringing a Vickers indenter into contact with an outer surface of the surface layer and setting a test load at 120 μN, is 30 to 50%, and a Martens hardness determined by the nanoindentation test at the outer surface of the surface layer is 12.0 to 18.0 N/mm2.

公开(公告)号：US20240142900A1

公开(公告)日：2024-05-02

申请号：US18480609

申请日：2023-10-04

Applicant: CANON KABUSHIKI KAISHA

Inventor： YUSUKE BABA ,  TAKESHI SUZUKI ,  MATSUTAKA MAEDA ,  ATSUSHI HORI ,  MASAHIRO TAKENAGA ,  HARUKI MORI ,  SHOTA INOUE

IPC: G03G15/16 ,  C08L83/04

CPC classification number: G03G15/162 ,  C08L83/04

Abstract: An electrophotographic belt comprising: a substrate and an elastic layer on an outer peripheral surface of the substrate, the elastic layer comprising a cured rubber product including a cured silicone rubber product, an elastic modulus of the elastic layer at a temperature of 23° C. being 1.00 MPa or less, wherein when 1 g sample collected from the elastic layer is immersed in 50 ml of toluene at a temperature of 23° C. for 24 hours in accordance with Japanese Industrial Standard (JIS) K6258:2016, an extract of 3% by mass to 20% by mass with respect to the sample is extracted, and a burning time of the elastic layer in a burn test in accordance with UL94 VTM standard is 30 seconds or less.