Coated base paper for use in the manufacture of low heat thermal printing paper
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United States of America Patent
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-
Aug 30, 1994
Grant Date -
N/A
app pub date -
Jan 15, 1993
filing date -
Jan 15, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A base paper for use in the manufacture of printing paper used in low heat thermal printing operations. The base paper is provided by coating a paper sheet with a dispersion comprising hollow gas-containing spherical particles preferably of a synthetic polymer, a filler of clay particles, and a binder. The coating provides pigment, thermal insulation and aqueous holdout for a thermosensitive recording layer applied onto the coating and can be calendered to improve surface smoothness.
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