Sheets having a microvoided layer of strength sufficient to prev

Details Sheets having a microvoided layer of strength sufficient to prev Sheets having a microvoided layer of strength sufficient to prev

1997-05-23

1999-08-10

Jones, Deborah

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428 357, 428 359, 428207, 428211, 428212, 4283157, 42831719, 428327, 4285375, 430199, 430264, 430501, B32B 900

Patent

active

059356901

ABSTRACT:
The invention relates to a photographic element comprising a paper base with a thickness from 0.025 mm to 0.25 mm, at least one photosensitive silver halide layer, and a layer of microvoided and biaxially oriented polyolefin sheet having a layer thickness of 0.020 mm to 0.050 mm, a density of between 78% and 100% of the solid polymer density located between said paper base and said at least one photosensitive silver halide layer, and wherein the entire photographic element is substantially free from surface distortion or cracking when the photographic element is forced to the shape of a diameter of no less than 8.0 mm.

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