Process for preparing a toner resin, toner resin prepared thereb

Details Process for preparing a toner resin, toner resin prepared thereb Process for preparing a toner resin, toner resin prepared thereb

1991-08-19

1993-04-27

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526340, 430109, C08F 210

Patent

active

052063194

ABSTRACT:
A toner resin suitable for being used in toner compositions or developer compositions for electrostatic imaging is prepared by polymerization of styrene and butadiene in the presence of a mixture of n-dodecyl mercaptan and t-dodecyl mercaptan. The toner resin has defined weight average and number average molecular weights and a defined polydispersity that provide an improved toner resin that can be attained without blending different copolymers while using conventional apparatus. Additionally, the toner resin can exhibit a suitable melt index and glass transition temperature.

REFERENCES:
patent: 4469770 (1984-09-01), Nelson
patent: 4473628 (1984-09-01), Kasuya et al.

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