C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 251/34 (2006.01) C07D 229/00 (2006.01) C08G 18/10 (2006.01) C08G 18/79 (2006.01)
Patent
CA 2126285
Abstract of the Disclosure: Isocyanurate- and/or uretdione-containing polyisocyanates having a reduced color index and improved shelf life are prepared by conventional catalytic oligomerization of aliphatic and/or cycloaliphatic diisocyanates and treatment of the oligomerization products with peroxycarboxylic acids.
Des polyisocyanates contenant des isocyanurates et/ou des uretdiones, possédant un indice de couleur réduit et une durée de conservation prolongée, sont préparés par l'oligomérisation catalytique classique de diisocyanates aliphatiques et/ou cycloaliphatiques et par le traitement des produits d'oligomérisation par des acides peroxycarboxyliques.
Bruchmann Bernd
Stiefenhoefer Konrad
Wolff Stefan
Basf Aktiengesellschaft
Bruchmann Bernd
Robic
Stiefenhoefer Konrad
Wolff Stefan
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