Composite release sheet material

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...

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Details

428339, 4284231, 4284237, 428447, 428480, 428483, B32B 702

Patent

active

047419482

ABSTRACT:
A composite release sheet material comprising a thermoplastic low-adhesive thin layer having a thickness of at least 5 .mu.m and a synthetic resin film layer having a greater tensile strength than the thin layer and, if desired, an anchor coat layer therebetween is disclosed. The composite release sheet material has an improved dimensional stability.

REFERENCES:
patent: 3971866 (1976-07-01), Johnson
patent: 4175156 (1979-11-01), Ikeno
patent: 4234644 (1980-11-01), Blake et al.
patent: 4386135 (1983-05-01), Campbell et al.
patent: 4521471 (1985-06-01), Merrill

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