Partially cured epoxy resins and electrostatographic toner conta

Details Partially cured epoxy resins and electrostatographic toner conta Partially cured epoxy resins and electrostatographic toner conta

1988-11-16

1991-06-18

Nielsen, Earl

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

Synthetic resins

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

525113, 525114, 525116, 525117, 525118, 525119, 525120, 525122, 525481, 528 98, 528 99, 528100, 528102, 528104, 528112, 528113, 528114, 528115, 528118, 528119, 528120, 528121, 528122, 528123, 528124, 528327, 528367, 528407, 430109, 430137, 430280, 430965, C08L 6302, C08G 5914, C08G 5968

Patent

active

050250671

ABSTRACT:
An epoxy resin comprising an active hydrogen compound having at least three active hydrogen atoms capable of reacting with an epoxy group in its molecule or butadine or isoprene as a main monomer is modified with an oligomer having on average at least 1.5 equivalents of active hydrogen capable of reacting with an epoxy group in its molecule. An epoxy resin modified with a bisphenol and a compound having active hydrogen or acid anhydride groups capable of reacting with an epoxy group is also provided. A toner containing the epoxy resin as a binder is useful in electrostatography.

REFERENCES:
patent: 4215210 (1980-07-01), Okayama et al.
patent: 4288565 (1981-09-01), Lohse et al.
patent: 4465542 (1984-08-01), Furihata
patent: 4486559 (1984-12-01), Murata et al.
patent: 4575478 (1986-03-01), Ohno
patent: 4588617 (1986-05-01), Oka
Patent Abstracts of Japan, vol. 6, No. 252 (P-161)(1130), Dec. 10, 1982.

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