Method for making biaxially-oriented polyester film having a dua

Details Method for making biaxially-oriented polyester film having a dua Method for making biaxially-oriented polyester film having a dua

1990-11-13

1991-08-27

Seidleck, James J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428910, 264299, 2642902, 264337, 264216, 206444, 206303, 206313, B32B 2736, B65D 8584, B29C 3900

Patent

active

050431978

ABSTRACT:
A biaxially-oriented polymer film having dual-sided appearance, i.e., the color of each side is chromatically different. Also a method for making such films.

REFERENCES:
patent: 3579609 (1971-05-01), Sevenich
patent: 3640944 (1972-02-01), Seppala et al.
patent: 4413298 (1983-11-01), Pecsok et al.
patent: 4603073 (1986-08-01), Renalls
American Society for Testing and Materials (ASTM), D1238-86, "Standard Test Method for Flow Rates of Thermoplastics by Extrusion Plastometer," pp. 402-410.
American Society for Testing and Materials (ASTM), D2244-79, "Standard Method for Instrumental Evaluation of Color Differences of Opaque Materials," pp. 389-397.

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