Member for developing electrostatic latent images
AssigneeRicoh Company, Ltd.
InventorsKazuo Nojima, Yasuo Hirano
Life of this patent
Estimating the term…
Abstract
A member for developing electrostatic latent images to visible images is disclosed, which comprises a support, a first coating layer comprising an elastic material formed on the support, and a second coating layer comprising a flexible resin formed on the first coating layer.
Claims4
A member for developing electrostatic latent images to visible images, comprising a support, a first coating layer comprising an elastic material formed on said support, and a second coating layer comprising an electroconductive material and a flexible resin having a elongation ratio of 10% to 500% formed on said first coating layer, said flexible resin being a resin prepared by cross-linking a fluorine-containing polymer comprising a fluoro-olefin and a hydroxyl-group containing vinyl ether through a polyfunctional isocyanante isocyanate, wherein said first and second coating layers have a volume resistivity of 106 to 1011 Ω-cm, and wherein said elastic material of said first coating layer comprises as a base material a material selected from the group consisting of nitrile rubber, epichlorohydrin rubber, urethane rubber, silicone rubber, and mixtures thereof.
Dependencies are inferred from the claim text.