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An Alcohol Soluble Cyanine Dye for Charge Generation

IP.com Disclosure Number: IPCOM000040912D
Original Publication Date: 1987-Mar-01
Included in the Prior Art Database: 2005-Feb-02
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Coufal, H: AUTHOR [+4]

Abstract

The alcohol soluble 3,3'-diethylthiacarbocyanine bromide dye (TCC), whose structure is shown below is a useful charge generation compound for use in photocopying. The quality of the coatings obtained by casting TCC from alcoholic solutions such as from methanol or ethanol is very good. This is also true when TCC is coated as a dispersion in polymer from alcohol solutions. Thus, TCC is coated either neat or as a dispersion in a polymer, whereupon a charge transport layer is then overcoated.

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An Alcohol Soluble Cyanine Dye for Charge Generation

The alcohol soluble 3,3'-diethylthiacarbocyanine bromide dye (TCC), whose structure is shown below is a useful charge generation compound for use in photocopying. The quality of the coatings obtained by casting TCC from alcoholic solutions such as from methanol or ethanol is very good. This is also true when TCC is coated as a dispersion in polymer from alcohol solutions. Thus, TCC is coated either neat or as a dispersion in a polymer, whereupon a charge transport layer is then overcoated.

Charge generation layers were coated onto aluminized plastic substrate with a doctor blade to a typical dry thickness of 3-5mm. After evaporation of the solvent, a CGL remained made up of 29% w/w of the dye in polymer binder.

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Disclosed anonymously

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