Multi-color heat-sensitive recording material and thermal record

Details Multi-color heat-sensitive recording material and thermal record Multi-color heat-sensitive recording material and thermal record

1997-02-06

1999-11-02

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Plural colors or plural diverse systems

427150, 427152, 428195, 428484, 4284884, 428513, 428913, 428914, B41M 534

Patent

active

059770198

ABSTRACT:
A multi-color heat-sensitive recording material including a support and two or more heat-sensitive recording layers formed on the support, wherein the support is a sheet-like substrate formed such that a resin layer is formed at least on the side of a base paper where the heat-sensitive recording layers are formed, and the surface of the sheet-like substrate on the side where the heat-sensitive recording layers are formed has a three-dimensional surface roughness of not more than 0.3 .mu.m as measured at a filter wavelength of 0.8 to 2.5 mm before thermal recording is performed. The three-dimensional surface roughness of the sheet-like substrate is not more than 0.4 .mu.m as measured at a filter wavelength of 0.8 to 2.5 mm after thermal recording is performed. The support is constructed of a sheet-like substrate having a resin layer on each of base paper. The rigidity of the sheet-like substrate as defined by JIS P8125 is 1.5 to 8.0 gf.multidot.cm, preferably 3.0 to 6.0 gf.multidot.m, as measured in a printing direction. Rigidity is adjusted by suitably selecting the thickness of the base paper, the basis weight, the kind of pulp, the thickness of the resin layer, etc.

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