Bleaching and dyeing; fluid treatment and chemical modification – Diffusion transfer dyeing process – transfer sheet and product – Dry heat treatment for penetration
Patent
1982-06-28
1983-12-20
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Diffusion transfer dyeing process, transfer sheet and product
Dry heat treatment for penetration
8444, 8512, 8922, D06P 520
Patent
active
044215177
ABSTRACT:
A process is described for printing dyes onto textile material comprising the steps of forming a latent magnetic image in a magnetic imaging member comprising a ferromagnetic material on an electrically conductive support; developing the magnetic image by applying thereto a ferromagnetic toner comprising a ferromagnetic component, a dye component which is substantially sublimable at less than 215.degree. C., and resin which substantially encapsulates the ferromagnetic component and the dye component; transferring the developed image to a substrate comprising a continuous belt comprising a thermally stable, dielectric, non-dye-receptive material; transferring the developed image by heat and pressure to film of a thermally stable resin which is permeable to said dye component laminating paper or a film to the image bearing side of the film, and bringing the laminated film into contact with a textile material to be dyed while the film and fabric are rotated upon a heated drum, to thereby transfer said dye component from the film or films to the textile material.
In a preferred aspect of the invention another film is laminated to the side of the film supporting the image and the dye is simultaneously sublimed to two textile materials several times.
REFERENCES:
patent: 3860388 (1975-01-01), Haigh
patent: 3915628 (1975-10-01), Bossard et al.
patent: 4099186 (1978-07-01), Edwards et al.
patent: 4117498 (1978-09-01), Edwards et al.
patent: 4124384 (1978-11-01), Centa
patent: 4145300 (1979-03-01), Hendriks
patent: 4246331 (1981-01-01), Mehl et al.
Clingman A. Lionel
E. I. Du Pont de Nemours & Co.
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