Styrene/butadiene toner resins with excellent gloss and fix prop

Details Styrene/butadiene toner resins with excellent gloss and fix prop Styrene/butadiene toner resins with excellent gloss and fix prop

1994-09-26

1996-05-07

Zitomer, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

430106, 4301066, 430109, 430110, 5263171, 5263401, 526347, 5263486, C08F23606, C08F21208, G03G 908, G03G 909

Patent

active

055147631

ABSTRACT:
A toner composition includes a styrene/butadiene resin having a weight average molecular weight of less than about 70,000 and a number average molecular weight of from about 8,000 to about 12,000, has a glass transition temperature of from about 50.degree. C. to about 60.degree. C. and provides excellent gloss and high fix properties at a low fusing temperature. The styrene/butadiene resin is produced by an emulsion polymerization process that includes forming an emulsion of a surfactant, styrene monomer, butadiene monomer and a water-soluble monomer in water, and then polymerizing the monomers in the presence of a water-soluble initiator.

REFERENCES:
patent: 4469770 (1984-09-01), Nelson
patent: 4959419 (1990-09-01), Schmidt
patent: 5166028 (1992-11-01), Paine et al.
patent: 5344738 (1994-09-01), Kmiecik-Lawrynowicz et al.
patent: 5346797 (1994-09-01), Kmiecik-Lawrynowicz

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