Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1993-04-27
1996-03-26
Seccuro, Jr., Carman J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525214, 525217, 525218, 525223, 525205, 525207, 525225, 525226, 525227, 525228, C08L 3304, C08L 3324, C08L 2504, C08L 2514
Patent
active
055021107
ABSTRACT:
A resin composition for an electrophotographic toner is here disclosed which comprises an ethylene series high polymer (Y) and an ethylene series polymer (X) prepared from 100 parts of a bifunctional ethylene series unsaturated monomer and 0.01-10 parts by weight of a substance having three or more peroxide groups in the molecule and/or a substance having one or more unsaturated functional groups and one or more peroxide groups in the molecule, Mw/Mb (Mw is weight-average molecular weight, and Mb is weight-average molecular weight between crosslinking points) of said polymer (X) being from 2 to 99, Mw of said polymer (X) being 50,000 or less. This resin composition is excellent in the balance of various physical properties required for the toner, and particularly, it is excellent in offset resistance and toner strength.
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Fukui Tamami
Hirayama Nobuhiro
Kawasaki Shoji
Matsumoto Katsuru
Uchiyama Kenji
Mitsui Toatsu Chemicals Incorporated
Seccuro, Jr. Carman J.
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