Thermochromic color masterbatch
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United States of America Patent
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Sep 18, 1990
Grant Date -
N/A
app pub date -
Oct 28, 1988
filing date -
Oct 29, 1987
priority date (Note) -
Expired
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Abstract
Disclosed is a thermochromic color masterbatch for use in a thermoplastic resin comprising a wax having substantially homogeneously dispersed therein a thermochromic granular material which is coated with a hydrophilic high-molecular weight substance, said thermochromic granular material being a mixture of a thermochromic composition comprising an electron-donating chromogen, an electron acceptor and a solvent with a thermosetting resin.
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