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Priority claimed from JP30872792Aexternal-prioritypatent/JPH06161030A/en
Application filed by Teijin LtdfiledCriticalTeijin Ltd
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Publication of TW339419BpublicationCriticalpatent/TW339419B/en
Manufacture Of Macromolecular Shaped Articles
(AREA)
Abstract
A sort of base film for photographic negatives, having: (a) at least 1.498 of a refractive index in the thickness direction; (b) less than 2% of a haze value: (c) less than 0.09 of tan value at 80oC in 0.05 hz of tension visco-elasticity; (d) more than 45% of anti-curling at 70oC; (e) 40-120 um of thickness; and (f) consisting of polyethylene -2, 6-naphthalene dicarboxylate as a substantial material.
TW083101003A1992-11-181994-02-07A base flm for photographic film
TW339419B
(en)