Polymeric film having an antistatic coating layer

Details Polymeric film having an antistatic coating layer Polymeric film having an antistatic coating layer

1995-04-20

1999-03-16

Codd, Bernard P.

Stock material or miscellaneous articles

Composite

Of polyester

428704, B32B 2736

Patent

active

058828001

ABSTRACT:
A polymeric film has a substrate layer of polyester material and an antistatic layer containing a polyester/polyalkylene oxide copolymer and a salt, the ratio by weight of copolymer/salt being in the range from 0.1 to 100/1. The copolymer is preferably a polyethylene terephthalate/polyethylene oxide block copolymer and the salt is preferably an alkali metal salt. The film exhibits low surface resistivity, even at low relative humidity.

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English Translation of HEI 3-215550, Ozawa, Sep. 20, 1991.

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