Polyurethane foam sealing material and process for producing the

Details Polyurethane foam sealing material and process for producing the Polyurethane foam sealing material and process for producing the

1979-04-23

1981-04-28

Cockeram, H. S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521112, 521132, 521137, 521172, 521173, C08G 1814, C08G 1836, C08G 1800

Patent

active

042647436

ABSTRACT:
A flexible or semi-rigid open-cell, polyurethane foam sealing material prepared from a polyisocyanate and a polyol component, a major portion of said polyol component consisting of a polyol derived from a dimer acid or castor oil, castor oil, or a mixture thereof in the presence of a blowing agent, a foam stabilizer, a catalyst, and, optionally, a lipophilic filler.

REFERENCES:
patent: 2984679 (1961-05-01), Ehrlich et al.
patent: 3201359 (1965-08-01), Herrick et al.
patent: 3356621 (1967-12-01), Hopkins et al.
patent: 3748288 (1973-07-01), Winkler et al.
Mitsui Petrochemical Industries, Ltd. Data Sheet on "Mitsui FTR 6100", Apr. 11, 1978.
Nippon Petrochemicals Co., Ltd. Data Sheet on "Nisseki Hisol SAS".
ASTM Std., D737-75-Air Permeability of Textile Fabrics, pp. 114-118.
JIS L-1004 (1972), Testing Methods for Cotton Fabrics (32 pp.).

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