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Proceedings Paper

Benzalphthalide sensitizers in thermal coatings
Author(s): Tomoo Shibata; John R. Semler
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Paper Abstract

Benzalphthalide and a number of its analogues significantly enhance the sensitivity of thermal coatings. These sensitizers are effective in coatings developed by benzyl-p-hydroxybenzoate (benzylparaben) , 2 , 2 -bis (p-hydroxyphenyl) propane (bisphenol A) and bis-(3-allyl-4-hydroxyphenyl)sulfone in combination with a variety of leuco dyes. The background stability of the coatings depends upon the specific benzalphthalide employed.

Paper Details

Date Published: 1 July 1990
PDF: 9 pages
Proc. SPIE 1253, Hard Copy and Printing Materials, Media, and Processes, (1 July 1990); doi: 10.1117/12.19822
Show Author Affiliations
Tomoo Shibata, Graphic Controls Corp. (United States)
John R. Semler, Graphic Controls Corp. (United States)

Published in SPIE Proceedings Vol. 1253:
Hard Copy and Printing Materials, Media, and Processes
Joseph Gaynor, Editor(s)

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