ELECTROPHOTOGRAPHIC TONER
PURPOSE:To obtain an electrophotographic toner excellent in picture image reproducing characteristics. CONSTITUTION:The binder resin of the toner essentially consists of a polyester resin. This polyester resin is obtd. by condensation polymn. of polyvalent carboxylic acids comprising >=70mol% aro...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PURPOSE:To obtain an electrophotographic toner excellent in picture image reproducing characteristics. CONSTITUTION:The binder resin of the toner essentially consists of a polyester resin. This polyester resin is obtd. by condensation polymn. of polyvalent carboxylic acids comprising >=70mol% aromatic dicarboxylic acids which include naphthalene dicarboxylic acid by 1-50mol%, and polyhydric alcohols including aliphatic polyhydric alcohols of 2-6 carbon number and/or alicyclic diols. |
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