Fluorescent fluoroplastics

Details Fluorescent fluoroplastics Fluorescent fluoroplastics

1997-07-24

1999-03-30

Yoon, Tae

Compositions

Inorganic luminescent compositions

Tungsten containing

2523016R, 25230145, 524413, 524420, 524430, 524463, C09K 1100, C09K 1154, C08K 310

Patent

active

058884246

ABSTRACT:
Fluoroplastics become identifiable as to source by incorporating 1 to 450 ppm of inorganic phosphor into the fluoroplastic which does not degrade the fluoroplastic upon processing at a temperature of 300.degree. C. and does not discolor the fluoroplastic but does emit radiation which is characteristic of the phosphor when the fluoroplastic is exposed to excitation radiation.

REFERENCES:
patent: 3953412 (1976-04-01), Saito et al.
patent: 5166236 (1992-11-01), Alexander et al.
patent: 5553714 (1996-09-01), Cushman et al.

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