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    • 124. 发明申请
    • LAMINATED BASE FILM FOR PHOTOGRAPHIC FILM
    • 层压膜片用于摄影胶卷
    • WO1995016223A1
    • 1995-06-15
    • PCT/JP1994000180
    • 1994-02-07
    • TEIJIN LIMITEDSUZUKI, KenjiNAGAI, TsuyoshiFURUYA, Koji
    • TEIJIN LIMITED
    • G03C01/795
    • G03C1/7954Y10S428/91Y10T428/24967Y10T428/24975Y10T428/25Y10T428/269Y10T428/31786
    • A laminated base film for photographic film, characterized by: (A) being composed of a first layer substantially comprising polyethylene 2,6-naphthalenedicarboxylate and a second layer substantially comprising a polymer composition containing at least 50 wt.% in total of 2,6-naphthalenedicarboxylate units (I) and ethylene units (-CH2CH2-); (B) having a haze value of 3.0 % or less; (C) having a coefficient (NS1) of plane orientation of the first layer of 0.270 or less; and (D) having a ratio of first-layer thickness to second-layer thickness of 3/7 to 7/3. The base film has such an appropriate extent of curling as to be compensated for by the shrinkage of the photosensitive emulsion and also has various performances suitable as the base film of photographic films, such as transparency and slipperiness.
    • 一种用于照相胶片的叠层基膜,其特征在于:(A)由基本上包含2,6-萘二羧酸聚乙烯酯的第一层和基本上包含至少含有50重量%总共2,6重量份的聚合物组合物的第二层 - 萘二羧酸酯单元(I)和乙烯单元(-CH 2 CH 2 - ); (B)雾度值为3.0%以下; (C)具有第一层的平面取向的系数(NS1)为0.270以下; 和(D)具有第一层厚度与第二层厚度的比率为3/7至7/3。 基膜具有适当的卷曲程度,可通过感光乳剂的收缩来补偿,并且还具有适合作为照相胶片的基膜的各种性能,例如透明性和滑爽性。