C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/20 (2006.01) C08G 18/48 (2006.01) C08G 18/66 (2006.01) C08G 18/79 (2006.01)
Patent
CA 2632979
This invention relates to polyurethane elastomers and to a process for their production. These elastomers comprise the reaction product of a (cyclo)aliphatic isocyanate component having an NCO group content of about 20 to about 45%, with an isocyanate-reactive component comprising one or more polyether polyols which is free of amine groups, and a low molecular weight organic compound containing two hydroxyl groups and which is free of amine groups, in the presence of one or more catalysts.
L'invention concerne des élastomères polyuréthanne et un procédé de production associé. Lesdits élastomères comprennent un produit de réaction d'un composant isocyanate (cyclo)aliphatique présentant une teneur en groupe NCO comprise entre 20 et 45 %, un composant réactif à l'isocyanate comprenant un ou plusieurs polyols de polyéther, exempt de groupes amines, et un composé organique à faible poids moléculaire contenant deux groupes hydroxyle et qui est exempt de groupes amines, en présence d'un ou plusieurs catalyseurs.
Garrett James T.
Harasin Stephen J.
Kinney Carol L.
Roesler Richard R.
Starcher Rick V.
Bayer Materialscience Llc
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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