FIELD: textiles, paper.
SUBSTANCE: thermosensitive paper is designed for producing pictures under influence of heat and refers to printing industry. It contains composite thermal paper ancestor and active layer containing components for forming the picture on the base layer. Composite thermal paper ancestor consists of the bottom layer and the base layer located on the bottom layer. The base layer consists of a bonding agent and at least two additives improving porosity. One of the additives is burnt kaolin, and the other additive is chosen from the group containing lustrous calcinated kaolin, calcinated bentonite, silica, silica gel, zeolite, etc.
EFFECT: improving picture quality.
10 cl, 3 dwg, 8 tbl, 4 ex
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