Packaging material for photosensitive materials

Details Packaging material for photosensitive materials Packaging material for photosensitive materials

1990-07-10

1992-05-05

Ryan, Patrick J.

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

428 353, 428 354, 4284111, 428458, 428461, 428480, 428483, 428500, 428516, 428522, 428323, 428220, 428922, 206328, 206332, 2065246, 383 63, 383109, B32B 302

Patent

active

051106396

ABSTRACT:
A packaging material for photosensitive materials which is a multilayer film comprising two coextruded multilayer inflation films wherein the amount of antistatic agent (wt. %) of an outer layer is more than 1.2 times greater than the antistatic agent content (wt. %) of a inner layer. In the packaging material of the invention, the necessary amount of antistatic agent to prevent static trouble bleeds out of the surface of the outer layer in a short time, and thereafter, the bleeding amount is almost constant. Therefore, the packaging material is excellent in heat sealability, appearance and touch and does not cause development problems.

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