Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1984-06-14
1985-07-02
Kight, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521118, 521112, 560 89, 560 91, C08G 1814
Patent
active
045269084
ABSTRACT:
Homogenous liquid polyol blend compositions containing (a) certain aliphatic polyols, (b) phthalate diester polyols of said aliphatic polyols, and (c) trimellitate polyols of said aliphatic polyols. Such polyol blend compositions are useful in making homogenous liquid resin prepolymer blends compositions containing, in addition to such a polyol blend, fluorocarbon blowing agent, cell stabilizing surfactant, and urethane and/or isocyanurate catalyst. Such a resin prepolymer blend composition is suitable for reaction with organic isocyanates to produce cellular polyurethane and/or polyisocyanurate polymers.
REFERENCES:
patent: 3459733 (1967-08-01), Byrd et al.
patent: 3505377 (1970-04-01), Morehouse
patent: 3563924 (1971-02-01), Schwarz
patent: 4018815 (1977-04-01), Vogt et al.
patent: 4347330 (1982-08-01), Demou et al.
Article by H. E. Reymore, R. J. Lockwood, and H. Ulrich entitled "Novel Isocyanurate Foams Containing No Flame Retardant Additives", published in Nov./Dec. 1978, in Journal of Cellular Plastics at pp. 332-340.
Keyes Bonnie
Magnus George
Smith Norman
Kight John
Moore Marvin L.
Stepan Company
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