Process for the manufacture of antistatic and biaxially oriented

Details Process for the manufacture of antistatic and biaxially oriented Process for the manufacture of antistatic and biaxially oriented

1974-12-11

1976-12-28

Silbaugh, Jan H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

264 22, 264 80, 264211, 526 6, B29D 724, C08L 2312, C08L 9100, H05B 716

Patent

active

040001024

ABSTRACT:
An antistatic and biaxially oriented polypropylene film is manufactured by the steps of (1) adding to crystalline polypropylene, (a) an antistatic agent and (b) a zinc salt of aliphatic acid, (2) melt-extruding the resulting composition to form a sheet or film, (3) orienting the sheet or film both longitudinally and laterally at a temperature below its melting point, and then (4) activating the surface of the resultant antistatic and biaxially oriented film. The film thus obtained possesses a remarkably improved antistatic property and adhesiveness to ink printed on it and to resins coated on it.

REFERENCES:
patent: 3333032 (1967-07-01), Dickinson
patent: 3657114 (1972-04-01), Smith
patent: 3773609 (1973-11-01), Haruta et al.
patent: 3790517 (1974-02-01), Koizumi
patent: 3803065 (1974-04-01), Arai et al.

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