Liquid catalysts for rapid polymerization of liquid compositions

Details Liquid catalysts for rapid polymerization of liquid compositions Liquid catalysts for rapid polymerization of liquid compositions

1992-05-20

1994-02-22

Kight, III, 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 73, 521118, 521156, 564503, 548229, 502172, C08G 1818

Patent

active

052888339

ABSTRACT:
The present invention relates to quaternary .beta.-hydroxy-alkyl-ammonium halides and quaternary .beta.-hydroxy-cycloalkylammonium halides, which are liquid at temperatures lower than 60.degree. C., are easily and rapidly miscible in liquid epoxides, as well as in liquid poly-isocianates, generating liquid compositions which spontaneously polymerize, with fast polymerization rate, already at temperatures comprised within the range of from 0.degree. C. to 60.degree. C., yielding a solid, insoluble polymeric material endowed with very high values of softening temperature.

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Frank C. Robertson, Resin Transfer Moulding of Aerospace Resins--A Review, British Polymer Journal 20, (1988) pp. 417-429.

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