Rapid setting polyurethanes from diols and polyfunctional isocya

Details Rapid setting polyurethanes from diols and polyfunctional isocya Rapid setting polyurethanes from diols and polyfunctional isocya

1973-12-07

1978-01-10

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 775AB, 260 775AP, C08G 1806

Patent

active

040678342

ABSTRACT:
Mixtures comprising a low molecular weight diol, a liquid modifier compound having a boiling point above about 150.degree. C, such as a fatty acid or fatty oil, a polyisocyanate having a functionality of at least about 2.5 and an organotin catalyst instantly set, after a brief induction period, to a solid, dense, rigid polymeric product which can be demolded within a period of from less than 1 minute to about 5 minutes.

REFERENCES:
patent: 3102875 (1963-09-01), Heiss
patent: 3255500 (1966-06-01), Engel et al.
patent: 3395108 (1968-07-01), Cobbledick et al.
patent: 3425973 (1969-02-01), Shaw, Jr.
patent: 3505250 (1970-04-01), Saunders
patent: 3546148 (1970-12-01), Diamond et al.
patent: 3755222 (1973-08-01), Gruber et al.

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