Antistatic phase-segregated polyurethanes

Details Antistatic phase-segregated polyurethanes Antistatic phase-segregated polyurethanes

1988-11-16

1990-03-27

Kight, John

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521107, 524127, 524141, 524142, 524143, 524701, 524710, 524711, 524712, 524910, 524912, 252500, C08J 900

Patent

active

049121421

ABSTRACT:
This invention is an antistatic thermoplastic, phase-segregated polyurethane containing, as an antistatic additive an effective amount of a monovalent metal tetraphenylboron salt, in the substantial absence of a fatty acid salt, a C.sub.6 -C.sub.30 carboxylic acid ester or phosphate ester compound.
Suprisingly, it has been found that, with this particular type of polyurethane, tetraphenylboron salts are very effective antistatic additives even in the absence of enhancer compounds as were previously employed. Accordingly, the antistatic polyurethane is useful for applications such as electronics components and packaging, and other applications where static dissipative ability is needed or desirable.

REFERENCES:
patent: 4357401 (1982-11-01), Andre et al.
patent: 4438223 (1984-03-01), Hunter
patent: 4532316 (1985-07-01), Henn
patent: 4617325 (1986-10-01), Knobel et al.
patent: 4618630 (1986-10-01), Knobel et al.
patent: 4621113 (1986-11-01), Collins
patent: 4806571 (1989-02-01), Knobel et al.

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