Opaque oriented non-thermoplastic polymer film and method of for

Details Opaque oriented non-thermoplastic polymer film and method of for Opaque oriented non-thermoplastic polymer film and method of for

1983-11-25

1985-01-29

Van Balen, William J.

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Including a second component containing structurally defined...

156229, 2642107, 428325, 428327, 428328, 428338, 428500, 428910, B32B 326, B32B 702

Patent

active

044966202

ABSTRACT:
An opaque oriented non-thermoplastic polymer film containing opacifying voids which opacifying voids contain rigid microspheres therein. The method of preparing such an opaque oriented non-thermoplastic film by incorporating rigid microspheres within the non-thermoplastic polymer forming a film thereof and orienting the same to create opacifying voids therein.

REFERENCES:
patent: 3695989 (1972-10-01), Albert
patent: 3762454 (1973-10-01), Wilkins, Jr.
patent: 4118438 (1978-10-01), Matsui et al.
patent: 4377616 (1983-03-01), Ashcraft et al.
patent: 4384023 (1983-05-01), Okamura et al.

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