Title: Method for preparing a polyurethane foam comprising quaternary ammonium salt as antistatic agent

Abstract: An antistatic polyurethane foam contains quaternary ammonium salt as an antistatic agent. The quaternary ammonium salt is added either to a raw material for polyurethane foam or to a prepared polyurethane foam by causing the foam to be impregnated with a solution containing the quaternary ammonium salt and drying it.

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Inventors: Fujii, Osamu (Kounosu, JA)
Kishimoto, Toshio (Kawagoe, JA)
Kosuge, Hisao (Kawagoe, JA)
Nagamine, Ryoji (Kawagoe, JA)
Shimada, Sumio (Kawagoe, JA)

Application Number: 493056
Filing Date: 1974-07-30
Publication_date: 1976-01-20
Assignee: Toyo Rubber Chemical Industrial Corporation (Tokyo, JA)
Primary Class(es): 521/55 260/DIG20, 260/DIG21, 521/115, 521/118, 521/128, 521/167, 521/170, 521/174
Other Classes:
US Patent Ref:

2579375	Dec, 1951	Eisen	260/DIG.
2950262	Aug, 1960	Bush et al.	260/2.
3010963	Nov, 1961	Erner	260/2.
3235446	Feb, 1966	Shelanski et al.	260/2.
3471423	Oct, 1969	Elmer et al.	260/2.
3479310	Nov, 1969	Dieterich et al.	260/2.
3546233	Dec, 1970	Szmuszkovicz	260/2.

Other Refs: 25,049634,628

Apr, 1962	JA
Jan, 1962	CA

Primary Examiner: Cockeram, H. S.
Assistant Examiner:
Attorney: Kemon, Palmer & Estabrook