Temperature-sensitive color-memorizing microencapsulated pigment

Details Temperature-sensitive color-memorizing microencapsulated pigment Temperature-sensitive color-memorizing microencapsulated pigment

1997-06-02

1999-03-09

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106311, 106493, 2524081, 252586, 252600, 252962, C08K 500

Patent

active

058794433

ABSTRACT:
A microcapsulated pigment contains, as reaction media one or more specific aliphatic acid alcohol esters obtained from monohydric aliphatic alcohols having odd numbers of carbon atoms and aliphatic carboxylic acids, these reaction media in a homogeneous compatible state with chromatic components are occluded in microcapsules to obtain characteristics of thermochromism with a hysteresis range (segment HG) from 8.degree. C. to 30.degree. C.

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patent: 5079049 (1992-01-01), Kito et al.

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