Image forming and transferring method using a peeling layer

Details Image forming and transferring method using a peeling layer Image forming and transferring method using a peeling layer

1996-04-30

1998-11-24

Braun, Fred L.

Electrophotography

Image formation

Transfer

399318, 428914, 430126, G03G 1316, G03G 1516

Patent

active

058420975

ABSTRACT:
An image forming method, including the steps of: forming a toner image with a toner having toner particles and an external additive on a surface of a first image-carrying member which includes a support and a lamination layer disposed thereon containing a peeling layer, fixing the toner image on the surface of the peeling layer of the first image-carrying member to form a fixed image, peeling the peeling layer having the fixed image from the first image-carrying member, and transferring the fixed image on the peeling layer onto a second image-carrying member while swelling the peeling layer, wherein the lamination layer has at least the peeling layer and an adhesive layer, the peeling layer at least including a transfer layer and having an area expansion ratio of 102-106%. The transfer layer may preferably be a composition containing a high-saponified polyvinyl alcohol having a saponification degree of at least 90% and a low-saponified polyvinyl alcohol having a saponification degree of below 90%. The binder resin may preferably be polyester resin having an acid value of 2-25 mg KOH/g. The peeling layer having an appropriate area expansion ratio (102-106%, preferably 102-105%) is effective in allowing quick and uniform peeling thereof from the fixed image.

REFERENCES:
patent: 4927727 (1990-05-01), Rimai et al.
patent: 4937105 (1990-06-01), Sakai et al.
patent: 4968578 (1990-11-01), Light et al.
patent: 5071728 (1991-12-01), Watts
patent: 5394176 (1995-02-01), Itaya et al.
Patent Abstracts of Japan, vol. 17, No. 233 (M-1407) of May 12, 1993, with respect to JP 04-361086 of Dec. 14, 1992.

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