Alkyl-substituted 2,2'-(1,4-naphthalenediyl)dibenzoxazole and ph

Details Alkyl-substituted 2,2'-(1,4-naphthalenediyl)dibenzoxazole and ph Alkyl-substituted 2,2'-(1,4-naphthalenediyl)dibenzoxazole and ph

1991-12-23

1993-05-25

Sluby, P. C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428340, 428483, 428513, 428514, 428516, B32B 516, B32B 2706

Patent

active

052138887

ABSTRACT:
A resin coated sheet type photographic support which is made up of a support, which is coated on both sides with a polyolefin resin. On the image forming side, the resin contains a titanium dioxide pigment and a fluorescent agent of an alkyl-substituted 2,2'-(1,4-naphthalenediyl)-dibenzoxazole represented by the structural formula [I]: ##STR1## wherein R' and R" are independently alkyl groups having 9-20 carbon atoms, m and n are independently 0 or positive integers and m+n=1-4. The photographic support has bright whiteness and does not cause color change or bleeding out.

REFERENCES:
patent: 3336330 (1967-08-01), Schinzel
patent: 3501298 (1970-03-01), Crawford
patent: 4794071 (1988-12-01), Tomko
Liebigs, Ann., Chem. 1982, 1423-1433.

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