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

1977-01-04

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08K 501

Patent

active

040011658

ABSTRACT:
Mixtures comprising a low molecular weight diol, a liquid modifier compound having a boiling point above about 150.degree. C, such as an aromatic compound or partially hydrogenated aromatic compound, a polyisocyanate having a functionality of at least about 2.5 and an organometallic 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: 3136732 (1964-06-01), Kaestner
patent: 3143517 (1964-08-01), Heiss
patent: 3489723 (1970-01-01), Kraft
patent: 3499858 (1970-03-01), Strassel
patent: 3582510 (1971-06-01), Cannelongo
patent: 3632544 (1972-01-01), Boyer
patent: 3637583 (1972-01-01), Metzger
patent: 3714110 (1973-01-01), Verdol
patent: 3723383 (1973-03-01), Cyba
patent: 3770693 (1973-11-01), Metzger

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