Method for the preparation of rigid non-cellular reaction inject

Details Method for the preparation of rigid non-cellular reaction inject Method for the preparation of rigid non-cellular reaction inject

1986-06-05

1987-11-24

Kight, John

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 48, 524871, 524712, 524724, C08G 1808, C08G 1818, C08J 7500

Patent

active

047090022

ABSTRACT:
A method for the preparation of a molded reaction injection molded rigid non-cellular polyisocyanurate polymer composition by injecting at least two streams into the mold cavity of a RIM machine to react at temperatures of from about ambient to about 140.degree. C. a formulation comprising at least one stream of an organic di- or polyisocyanate and in a second stream a cyclic alkylene carbonate and a soluble adduct of a tertiary amine and a cyclic alkylene carbonate as catalyst.

REFERENCES:
patent: 3703520 (1972-11-01), Carleton et al.
patent: 3840578 (1974-10-01), Hennig
patent: 3878156 (1975-04-01), Olstowski et al.
patent: 3883466 (1975-05-01), Olstowski
patent: 3886102 (1975-05-01), Olstowski
patent: 4035331 (1977-07-01), Olstowski
patent: 4456745 (1984-06-01), Rajan

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