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    • 16. 发明专利
    • DRY TYPE COPYING TRANSFER SHEET
    • JPS5818639A
    • 1983-02-03
    • JP11710381
    • 1981-07-28
    • DYNIC CORP
    • INABA HIDEHIKOHAN MASAKAZU
    • G03G7/00
    • PURPOSE:To obtain a dry type transfer sheet high in water resistance and toner fixability, by using a specified aq. dispersion containing a water-soluble natural resin, a thermoplastic resin, and a cross-linking agent, treating woven or nonwoven fabric with a resin, and finishing its surface to a specified state. CONSTITUTION:Nonwoven fabric made of polyester, rayon fiber, on the like is impregnated with an aq. dispersion containing 4.5wt% polyacrylate and 3wt% melamine cross-linking agent, and dried to give heat-resistant nonwoven fabric containing 7.5g/m attached solid. A liquid dispersion containing 10wt% casein, 25wt% acrylicstyrene copolymer, 10wt% Tio2, 0.3wt% amphoteric antistatic agent, 5wt% melamine cross-linking agent, and 50wt% water is coated said fabric, dried, and passed between calenders to smooth the surface, thus producing a dry type transfer sheet. It has 10 ohm.cm surface resistivity, and it is superior in toner fixability, conveyability, and resistant to water and heat.