Antistatic polyolefin films

Details Antistatic polyolefin films Antistatic polyolefin films

1979-03-30

1980-12-23

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428910, 428520, 428523, 252 88, 252 875, B32B 2732, B32B 2708

Patent

active

042411440

ABSTRACT:
Oriented polyolefin (especially polypropylene) film having antistatic properties is produced by applying to the cast extrudate a solution of an `Ethomeen` sulphate (e.g. `Ethomeen` T/12 sulphate) before heating and stretching the extrudate to orient it. The corresponding hydrochlorides are not effective.
Inclusion of a quaternary ammonium compound, such as choline chloride, in the solution confers improved antistatic properties.

REFERENCES:
patent: 2832697 (1958-04-01), Walles
patent: 2897170 (1959-07-01), Gruber
patent: 4117193 (1978-09-01), Tsuchiya et al.

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