Compositions – Compositions containing a single chemical reactant or plural... – Organic reactant
Patent
1995-06-07
1998-03-24
Sergent, Rabon
Compositions
Compositions containing a single chemical reactant or plural...
Organic reactant
25218213, 25218224, 25218226, 521117, 521118, 521125, 521128, 521129, 521130, 521131, 521132, 521163, 521166, 521170, 521172, 521173, 521174, 521176, C08J 912, C08J 914, C08G 1832, C08G 1838
Patent
active
057308969
ABSTRACT:
A method the preparation of rigid foams by reacting an organic polyisocyanate with an isocyanate-reactive material in the presence of a blowing promoter characterised in that the isocyanate-reactive material comprises at least one isocyanate-reactive cyclic carbonate or isocyanate-reactive cyclic urea, the reaction being performed in the presence of an inert insoluble organic liquid which is present as the dispersed phase of an emulsion or a microemulsion, and in the presence of a metal salt catalyst.
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De Vos Rik
Gillis Herbert Russell
Postema Aaldrik Roelf
Randall David
Stanssens Dirk
Imperial Chemical Industries plc
Sergent Rabon
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