Process for the production of compression-molded materials...

Details Process for the production of compression-molded materials... Process for the production of compression-molded materials...

B - Operations, Transporting

27

K

18/952

B27K 3/00 (2006.01) C08G 18/18 (2006.01) C08L 97/02 (2006.01)

Patent

CA 1225808

Mo-2570 LeA 22,482 A PROCESS FOR THE PRODUCTION OF COMPRESSION-MOLDED MATERIALS CONTAINING POLYISOCYANATE BINDERS USING LATENT, HEAT-ACTIVATABLE CATALYSTS ABSTRACT OF THE DISCLOSURE The present invention is directed to a process for the production of compression-molded materials by the compression molding lignocellulose-containing materials mixed and/or impregnated with polyiso- cyanates as binder in the presence of catalysts, the improvement wherein the catalysts used are latent, heat-activatable catalysts based on ammonium salts of the type which can be obtained by reacting i) monofunctional or polyfunctional, primary, secondary and/or tertiary amines with ii) alkyl esters of acids of phosphorus. or secondary and/or tertiary amines i) with acidic alkylester of acids of phosporous (ii) under neutralization in substantially equivalent quantities. Mo-2570 LeA 22,482

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