Electrophotographic toner having two ethylene polymers

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...

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430110, 430137, G03G 9087

Patent

active

053894839

ABSTRACT:
The present invention provides electrophotographic toner which comprises as a principal component a mixture of 20-80 parts by weight of a first ethylene polymer (X) whose weight-average molecular weight (Mw) is at least 200,000 and a second ethylene polymer (Y) whose Z average molecular weight
umber-average molecular weight (Mz/Mn) is at least 6 and Mw is not greater than 50,000. According to this invention, electrophotographic toner of wide non-offset range can be obtained and, images of stable quality in a low heat quantity, which have not been attained by the prior art, can be obtained.

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patent: 4499168 (1985-02-01), Mitsuhashi
patent: 4963456 (1990-10-01), Shin et al.
patent: 4968574 (1990-11-01), Morita et al.
patent: 5084368 (1992-01-01), Hirayama et al.
patent: 5098811 (1992-03-01), Anno et al.

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