Heat-sensitive recording sheet and use of the same
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United States of America Patent
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app pub date -
Nov 29, 2007
filing date -
Oct 16, 2000
priority date (Note) -
Abandoned
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Abstract
The invention relates to a heat-sensitive recording sheet comprising a substrate, a heat-sensitive recording layer and a protective layer which is provided on the recording layer and which contains pigment. At least 80 wt. % of the pigment of the protective layer is formed from a highly purified bentonite treated with alkaline, the bonding agent of the protective layer consists of a water-insoluble, self-crosslinking acryl polymer, the bonding agent/pigment ratio is between 7:1 and 9:1, the crosslinking agent/bonding agent ratio is higher than 1:5, and the protective layer comprises Bekk smoothness of at least 900 seconds.
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