Polyalkylene naphthalate comprising specific UV-absorber

Details Polyalkylene naphthalate comprising specific UV-absorber Polyalkylene naphthalate comprising specific UV-absorber

1998-07-16

1999-11-23

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430533, 428480, 524 86, 524218, 524290, 524291, 524292, G03C 1795, G03C 1815, C08K 534, C08K 548

Patent

active

059897945

ABSTRACT:
Disclosed is a polyalkylene naphthalate film, preferably the homopolymer of naphthalene-2,6-dicarboxylic acid and ethylene glycol (PEN), comprising a UV absorbing compound of general formula Q--CO--CO--X (explained in the description) for quenching of the UV fluorescence at 429 nm. The polymeric film is preferably used as support for a photographic material, preferably a colour negative or colour reversal photographic material.

REFERENCES:
patent: 5593818 (1997-01-01), Kawamoto
patent: 5688636 (1997-11-01), Kiekens
H. Laver: "The Use of UV-Absorbers in X-Ray Photographic Films," Research Disclosure No. 248, Dec. 1984, Havant GB, p. 598, XP002054694.

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