Reversible thermosensitive recording material and method of producing the same
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United States of America Patent
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Jun 15, 1993
Grant Date -
N/A
app pub date -
Nov 21, 1991
filing date -
Nov 22, 1990
priority date (Note) -
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Abstract
A reversible thermosensitive recording material is composed of a support, and a reversible thermosensitive recording layer formed thereon, having a reversible temperature-dependent transparency, which contains a matrix resin and an organic low-molecular-weight material. The organic low-molecular-weight material is in the form of particles, and substantially covered by the matrix resin, and the content thereof in the reversible thermosensitive recording layer is increased from the surface side thereof toward the support side. This reversible thermosensitive recording material can be prepared by a method of coating a solution or dispersion of the matrix resin and the organic low-molecular-weight material on the support, which are dissolved or dispersed in a mixed solvent composed of at least two solvents, each having a different vapor pressure, and drying the solution or dispersion.
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