Antistat coated films

Details Antistat coated films Antistat coated films

B - Operations, Transporting

32

B

18/1007, 117/183

B32B 27/08 (2006.01) B32B 27/36 (2006.01) C08J 7/04 (2006.01) C08K 5/19 (2006.01) G03C 1/85 (2006.01)

Patent

CA 1260340

ABSTRACT Plastic films having improved antistatic properties are disclosed having a continuous coating on at least one surface of the film based on a composition comprising a mixture of: a) a polymeric binder, and b) a quarternary ammonium salt having the formula: Image wherein: R is a lower alkyl group having 1 to 3 carbon atoms; R' is an alkyl or alkenyl radical having from about 8 to 20 carbon atoms; and X- is an anion. The antistat coating composition may be applied to the film material at any suitable stage during manufacture, i.e., after extrusion of the sheet material or before, during or after orienting the sheet. The resultant film is found to possess markedly enhanced antistat properties, good clarity, good slip properties, reclaimability and adhesive properties at higher binder levels rendering it suitable for the application of other coatings.

492446

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