Conductive polyurethane foam compositions and method for produci

Details Conductive polyurethane foam compositions and method for produci Conductive polyurethane foam compositions and method for produci

1995-06-07

1996-10-22

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252500, 521123, C08G 0838, A01B 100

Patent

active

055677401

ABSTRACT:
The present invention relates to three-dimensional expanded polyurethane foam materials, such as flexible reticulated polyurethane foam compositions, that are electrically conductive and have antistatic properties. More specifically, the invention relates to a polyurethane foam having long-lasting and reliable electrical conductivity characteristics and a volume resistivity of approximately 10.sup.12 ohm.multidot.cm or less at ambient room temperature (about 70.degree. F.). This foam is produced by combining conventional polyurethane foam-forming reactants and an effective amount of an antistatic agent such as tetracyanoquinodimethane (TCNQ) or sodium perchlorate under foam-forming conditions. In one preferred embodiment, the conductive foam is subsequently reticulated by momentary exposure to a flame front.

REFERENCES:
patent: 5180755 (1993-01-01), Yasunaga et al.

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