Thermal Copy Paper

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Thermal Copy Paper

 

paper that is transparent to infrared rays and is coated on one side with a thin layer of a heat-sensitive substance; such paper is used in thermography.

The heat-sensitive layer of thermal copy paper consists of waxes (carnauba wax, ceresin, or montan wax); triphenylmethane, rhodamine, or auramine dyes; solid fats; and sometimes plasticizers. Depending on the quality of the coating, the copies obtained may be used as single copies or as matrices for subsequent duplication on a hectograph. Thermal copy papers giving black, red, blue, and green copies with a sheet format of 297 × 210 mm are produced in the USSR.

REFERENCE

Uetskii, M. I. Tekhnicheskaia bumaga dlia razmnozheniia dokumentatsii, 3rd ed. Moscow, 1973.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.