Thermochromic particle containing linear material

Details Thermochromic particle containing linear material Thermochromic particle containing linear material

1988-05-23

1989-07-25

Page, Thurman K.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428 1, 428375, 428378, 428379, 428380, 428383, 428392, 428395, 428396, 42840224, 428406, 428407, 428913, B32B 516

Patent

active

048512826

ABSTRACT:
Thermochromic particle-containing linear material product produced by the process characterized by dipping a core in the form of a monofilament or multifilament into a vinyl chloride resin sol composition having a thermochromic particulate material incorporated therein, the thermochromic particulate material being prepared by enclosing with a high polymer compound an electron-donating chromogenic substance, an electron-accepting substance for the chromogenic substance and a solvent having a boiling point of at least 150.degree. C. and selected from the group consisting of alcohols, amides, esters and azomethines and further covering the resulting product with a different high polymer compound; withdrawing the core from the sol composition; and heating the core to gel the sol composition and cover the core with the gelled composition.

REFERENCES:
patent: 3560229 (1971-02-01), Farnham et al.
patent: 4028118 (1977-06-01), Nakasuji et al.
patent: 4046577 (1977-09-01), Muzyczko et al.
patent: 4173677 (1979-11-01), Nakano et al.
patent: 4374670 (1983-02-01), Slocombe
patent: 4421560 (1983-12-01), Kito et al.
patent: 4425161 (1984-01-01), Shibahashi et al.
patent: 4441508 (1984-04-01), Buirley et al.
patent: 4490015 (1984-12-01), Kawarada et al.
patent: 4554189 (1985-11-01), Marshall
patent: 4554565 (1985-11-01), Kito et al.
patent: 4642250 (1987-02-01), Spector
patent: 4778244 (1988-10-01), Ryan
Abstract of Japanese 58/032,671 (1983), AN-83-33274k/14.

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