Thermoplastic coated films with anti-static properties

Details Thermoplastic coated films with anti-static properties Thermoplastic coated films with anti-static properties

B - Operations, Transporting

32

B

117/152, 117/153

B32B 27/08 (2006.01) C08J 7/04 (2006.01) C09D 127/08 (2006.01)

Patent

CA 1134217

ABSTRACT The present invention relates to thermoplastic films such as polypropylene and more particularly to bi- axially oriented polypropylene which are characterized by having excellent anti-static properties and good resistance to the transmission of oxygen and moisture vapor. These properties are achieved by the application of a thin primer layer containing poly (ethylenimine) to corona discharge treated oriented polypropylene film followed by the application of an aqueous dispersion of a vinylidene chloride multipolymer containing a water soluble polyol such as a low molecular weight glycol or a poly (ethylene oxide) adduct of a non- polar molecule.

342065

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