Laminated film

Details Laminated film Laminated film

1996-02-26

1999-09-28

Chen, Vivian

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428195, 428206, 428327, 428480, 42869485, 42869475, 42869456, 528293, 528295, 528300, 528301, 525437, B32B 2708, B32B 2718, B32B 2736

Patent

active

059585528

ABSTRACT:
A laminated film comprising (A) an aromatic polyester film; and (B) a hydrophilic coating layer which is present on at least one side of the aromatic polyester film (A) and has a surface energy of at least 54 dyne/cm, the coating layer comprising (a) 50 to 80% by weight of a copolyester which contains a dicarboxylic acid component having a sulfonate group in an amount of 1 to 16 mol % of the total of all dicarboxylic acid components and has a secondary transition point of 20 to 90.degree. C., (b) 10 to 30% by weight of poly(alkylene oxide) homopolymer having a number average molecular weight of 600 to 2,000, and (c) 3 to 25% by weight of fine particles having an average particle diameter of 20 to 80 nm, based on the total of components (a), (b) and (c). The above laminated film is useful as a transparency for an overhead projector and a recording paper for an ink jet printer.

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patent: 5356989 (1994-10-01), Tachika et al.
patent: 5391429 (1995-02-01), Otani et al.
patent: 5407724 (1995-04-01), Mimura et al.

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