Conductive polyurethane-urea/polyethylene oxide polymer

Details Conductive polyurethane-urea/polyethylene oxide polymer Conductive polyurethane-urea/polyethylene oxide polymer

1991-10-29

1993-03-30

Kight, III, John

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 55, 528 57, 528 58, 528 59, 528 76, 525123, 525127, 525129, 525130, 524 21, 524314, 524394, 524401, 524425, 524777, 524779, 524839, 524910, 524912, 524914, 57315, C08G 1848, C08K 310, C08K 500, D01H 586

Patent

active

051985217

ABSTRACT:
A water reaction synthesis with polyoxyethylene diol, diisocyanate and dibutyltin bis lauryl mercaptide produces a high molecular weight thermoplastic polyurethane-urea linear polymer with surface resistivity 10.sup.11 -10.sup.6 ohm/sq. Thermoplastic and/or elastomeric antistatic compositions containing other melt processable polymers and/or filler, and the polymer exhibit permanent protection. Antistatic protection can be increased when the polymer complexes with a metal salt such as lithium chloride, or lithium acetate. The composition is useful in the manufacture of antistatic floor coverings and textile texturing and drafting elements such as cots and aprons.

REFERENCES:
patent: 2450409 (1948-10-01), Baymiller
patent: 2450410 (1948-10-01), Baymiller
patent: 2860382 (1958-11-01), Garrett
patent: 3645924 (1972-02-01), Fogiel
patent: 3743620 (1973-07-01), Frye
patent: 3938399 (1976-02-01), Delfiol et al.
patent: 4618630 (1986-10-01), Knobel et al.
patent: 5001167 (1991-03-01), Wiltz, Jr. et al.
patent: 5077330 (1991-12-01), Ehrhart et al.

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