Inherently antistatic thermoplastic polyamide-polyether films

Details Inherently antistatic thermoplastic polyamide-polyether films Inherently antistatic thermoplastic polyamide-polyether films

1991-05-03

1994-11-29

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525430, 428409, 264308, 26433121, C08F 832

Patent

active

053691792

ABSTRACT:
Disclosed is a thermoplastic flexible film suitable for wrapping static sensitive devices such as electronic circuit boards. The film is made of an inherently hydrophilic polyether block amide copolymer in blend with a compatible polymer. Compatible polymers typically are amide polymers or are acid copolymers, such as the nylons or ionomers. The film does not have a degree of hydrophilicity unsuitable for packaging static sensitive devices. Yet the film is antistatic without requiring the addition of an antistatic agent.

REFERENCES:
patent: 4331786 (1982-05-01), Foy et al.
patent: 4332920 (1982-06-01), Foy et al.
patent: 4361680 (1982-11-01), Borg et al.
patent: 4899521 (1990-02-01), Havens

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