Developer composition for developing an electrostatic image

Details Developer composition for developing an electrostatic image Developer composition for developing an electrostatic image

1982-07-07

1986-02-25

Goodrow, John L.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430108, 430109, 430126, G03G 916

Patent

active

045728852

ABSTRACT:
There are disclosed an electrostatic image developer which comprises a carrier comprising iron powder particles coated with a resin and a toner comprising a low molecular weight polypropylene, and an electrostatic image developer which further comprises as binder a homopolymer of a styrene or a copolymer of a styrene with an another vinyl monomer containing 10 to 70% by weight of a high molecular component having a molecular weight of 100,000 to 10,000,000.
The electrostatic image developer of the present invention can accomplish good developing without forming fogging even when provided in a great number of developments, thus exhibiting a great durability, and is also free from image contamination by the off-set phenomenon to give an excellent copied image.

REFERENCES:
patent: 3507686 (1970-04-01), Hagenbach
patent: 4218530 (1980-08-01), Lu
patent: 4245026 (1981-01-01), Ziolo
patent: 4246332 (1981-01-01), Tanaka et al.

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