Compositions – Electrolytes for electrical devices
Patent
1973-05-14
1976-02-17
Feinberg, Samuel
Compositions
Electrolytes for electrical devices
G03G 900
Patent
active
039390853
ABSTRACT:
Our invention contemplates a liquid developer which carries a toner which is tacky. This tackiness, however, is a transient one. After the latent electrostatic image is developed by our tacky toner, that is one that has adhesive properties, the developed image with the toner in tacky state is contacted with sheet material such as paper. The developed tacky toner image has greater affinity for the paper than it does for the photoconductive surface. We insure this by using a photoconductive surface which has less affinity for the tacky toner than the sheet material to which the image is to be transferred. After the image is transferred to the sheet material the toner quickly loses its tackiness and dries to a hard scuff-resistant surface.
Our invention also contemplates a developer liquid which contains a toner which is non-sticky when first deposited then becomes sticky or tacky so that it can be transferred while tacky and loses its tackiness and remains firmly bonded to the surface to which it is transferred. The developing liquid comprises a low-boiling organic liquid which has low solvent power for a sol comprising a high molecular-weight polymer and a finely divided pigment or toner material adapted to be attracted by the charges on the photoconductive surface. The organosol contains modifiers and plasticizers adapted to give the developer liquid the desired characteristics.
We have found that, if desired, the sheet material to which the tacky image is to be transferred can be treated to give it greater affinity for the tacky toner.
REFERENCES:
patent: 3576744 (1971-04-01), Sharrock et al.
patent: 3640751 (1972-02-01), Kasuya et al.
patent: 3640863 (1972-02-01), Okuno et al.
patent: 3650738 (1972-03-01), Ikeda et al.
patent: 3668127 (1972-06-01), Machida et al.
patent: 3671646 (1972-06-01), Kurita et al.
patent: 3772053 (1973-11-01), Eastman et al.
patent: 3793234 (1974-02-01), Ormsbee
Condensed Chem. Dictionary, 6th Ed., Reinhold Publishing Corp., N.Y., N.Y., 1966, pp. 360, 378-380, 398.
Hastwell Peter John
Smith Ian Edward
Vermeulen Marinus Cornelus
Feinberg Samuel
Nelson P. A.
Savin Business Machines Corporation
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