Method of making synthetic fibers containing photochromic pigmen

Details Method of making synthetic fibers containing photochromic pigmen Method of making synthetic fibers containing photochromic pigmen

1991-06-03

1993-05-25

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

With incorporating dye susceptible material or dyeing workpiece

8497, 264211, 524 89, 524 92, 524 95, 524110, D01F 104

Patent

active

052137333

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 ml.

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patent: 3714181 (1973-01-01), Lantos
patent: 3964823 (1976-06-01), Trozzolo
patent: 4166043 (1979-08-01), Uhlmann et al.
patent: 4367170 (1983-01-01), Uhlmann et al.
Kamogawa, H. (1969) J. App. Poly. Sic., vol. 13, pp. 1883-1894.
Kamogawa, H. (1980) Sen-l Gakkaishi, vol. 36(3), pp. 96-102.

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