Resin compositions for electrophotographic toner and process for

Details Resin compositions for electrophotographic toner and process for Resin compositions for electrophotographic toner and process for

1994-03-15

1996-03-05

Carrillo, Ana L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 90, 525 91, 525 92F, 525 92L, 525166, 525175, 525176, 525177, 525186, C08L 6700

Patent

active

054968887

ABSTRACT:
Resin compositions, comprising (A) a styrene/acrylic polymer and (B) a polyester dispersed therein with an average particle size of not more than 3 .mu., are obtained by quenching a mixture of (A) and (B) melted at 150.degree.-200.degree. C., below the glass transition temperature of the polymer (A) within 5 minutes, and are of good thermal shelf stability and electrical properties and provide toner binders of high hot offset causing temperature and improved low temperature fixing properties.

REFERENCES:
patent: 4518673 (1985-05-01), Noguchi et al.
patent: 4713310 (1987-12-01), Horie
patent: 4795689 (1989-01-01), Matsubara et al.
patent: 4845006 (1989-07-01), Matsubara et al.
patent: 4908290 (1990-03-01), Watanabe et al.
patent: 4931375 (1990-06-01), Akimoto et al.
patent: 5185405 (1993-02-01), Nishida
patent: 5318871 (1994-06-01), Inagaki et al.
Patent Abstracts of Japan, vol. 9, No. 253, Japan Lay-Open No. 102,646/1985, "Heat Fixing Toner", Oct. 11, 1985.
Database WPI, AN 92-263191, Japan Lay-Open No. 178,658/1992, "Resin Composition for toner for Copier, Laser Printer, etc. . . . Having Specified Mol. Wt.", Nov. 14, 1990.

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