Novel carboxylate catalysts for the preparation of foams charact

Details Novel carboxylate catalysts for the preparation of foams charact Novel carboxylate catalysts for the preparation of foams charact

1978-03-09

1979-04-10

Cockeram, H. S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252438, 521117, 521118, 521128, 521129, 521130, 521902, C08G 1814, C08G 1820, C09K 300

Patent

active

041489802

ABSTRACT:
Reaction products of certain tertiary amines, alkylene oxides and carboxylic acids have been found to be outstanding catalysts for the preparation of polyisocyanurates, polyisocyanurate foams, polyurethane foams and poly(urethane-isocyanurate) foams. Typical tertiary amines are 1,3,5-tris (N,N-dialkylaminoalkyl-5-hexahydrotriazines, pyridine and bis-(N,N-dialkylaminoalkyl) ethers.

REFERENCES:
patent: 3010963 (1961-11-01), Erner
patent: 4040992 (1977-08-01), Bechara
patent: 4066580 (1978-01-01), Falkenstein et al.
Acheson, Chemistry of the Heterocyclic Compounds, Interscience, N.Y., 1960, pp. 160-163.

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