Support for thermosensitive recording paper
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United States of America Patent
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Apr 28, 1992
Grant Date -
N/A
app pub date -
Dec 20, 1990
filing date -
Dec 21, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A support for thermosensitive recording paper, said support being synthetic paper composed of a laminated film comprising a base layer composed of a biaxially stretched resin film and a paper-like layer composed of a uniaxially stretched film of a thermoplastic resin containing 10 to 50% by weight of calcium carbonate powder in a support made of synthetic paper and to be coated with a thermosensitive color forming layer and said support meeting the following physical properties (i) to (iii): (i) opacity is 45% or below as measured according to JIS P-8138, (ii) the paper-like layer to be coated with a thermosensitive color forming layer has Bekk smoothness of 100 to 300 sec and a surface roughness Ra of 1.5 .mu.m or below, and (iii) the support has a density of not higher than 1.1 g/cm.sup.3.
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