Pressure or heated roller electrophoto image fixing uses halogen

Details Pressure or heated roller electrophoto image fixing uses halogen Pressure or heated roller electrophoto image fixing uses halogen

1980-02-21

1981-05-12

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

430 99, 430121, 430126, 430111, G03G 1100, G03G 1316

Patent

active

042672465

ABSTRACT:
A developer for electrostatic images comprising a binder medium and a pigment dispersed in the binder medium is disclosed. This binder medium comprises (A) a thermoplastic or rubbery polymer containing a member selected from the group consisting of a halogen atom and a nitrile group at a concentration of at least 100 milliequivalents per 100 g of the polymer and (B) a binder having a melting temperature lower than that of the polymer (A) at an (A)/(B) mixing weight ratio of from 1/20 to 1/1. The halogen- or nitrile-containing polymer (A) is present in the form of fine particles dispersed in the continuous phase of the binder (B). This developer has good flowability and charge characteristics at the developing step and shows an excellent offset-preventing effect at the fixing step.

REFERENCES:
patent: 3764538 (1973-10-01), Shelffo
Xerox Disc. J., vol. 3, #3, May/Jun. 1978, pp. 155-157. _

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