Synthetic fibers containing photochromic pigment and their prepa

Details Synthetic fibers containing photochromic pigment and their prepa Synthetic fibers containing photochromic pigment and their prepa

1994-04-11

1995-06-06

Ryan, Patrick J.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428403, D02G 300

Patent

active

054221811

ABSTRACT:
Synthetic textiles containing a photochromic pigment. The pigments are prepared by encapsulating a photochromic pigment in a thermoplastic polymer having a high melt flow index, mixed with a primary thermoplastic resin, and extruded at a temperature of less than 250.degree. C. through a spinnerette having a diameter of at least 0.3 mm.

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patent: 3964823 (1976-06-01), Trozzolo
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patent: 4367170 (1983-01-01), Uhlmann et al.
patent: 4931220 (1990-06-01), Haynes
patent: 5213733 (1993-05-01), Hwu et al.
Kamogawa, H. (1969) J. App. Poly. Sci., vol. 13, pp. 1883-1894.
Kamogawa, H. (1980) Sen-I Gakkaishi, vol. 36(3), pp. 96-102.
Dictionary of Fiber & Textile Technology p. 143 Date 1965.

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