C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 249/18 (2006.01) C07D 249/04 (2006.01) C07D 249/08 (2006.01) C08G 18/38 (2006.01) C08G 18/50 (2006.01) C08G 65/28 (2006.01)
Patent
CA 2351393
This invention relates to novel polyether monols and/or polyether polyols and to a process for their production. These polyether monols and/or polyether polyols are prepared by forming a polyhydroxyl group containing component in a first step by the reaction of a triazole-group containing compound with a compound that contains at least one functional group that is capable of reacting with the amine groups of the triazole group containing compound, and reacting the hydroxyl-group containing component with an alkylene oxide to form the polyether monol and/or polyether polyol of the invention. The present invention also relates to isocyanate-reactive compositions comprising these novel polyether monols and/or polyether polyols, and to a process for the production of a polyurethane comprising reacting a polyisocyanate with the novel polyether monols and/or polyether polyols of the present invention.
la présente invention concerne des polyols de polyéther et un procédé de fabrication. Pour préparer ces polyols de polyéther on commence par former un composant contenant un groupe polyhydroxyle, ceci en faisant réagir composé contenant un groupe triazol avec un composé contenant au moins un groupe fonctionnel capable de réagir avec les groupes amines du composé contenant un groupe triazol. On fait ensuite réagir le constituant contenant un groupe hydroxyle avec un oxyde d'alcoylène de façon à former le polyol de polyéther de l'invention. L'invention concerne aussi des compositions réagissant aux isocyanates comprenant les polyols de polyéther de l'invention. L'invention concerne enfin un procédé de fabrication d'un polyuréthane consistant à faire réagir un polyisocyanate avec les polyols de polyéther de la présente invention.
Adkins Rick L.
Parsons Harold R.
Corporation Bayer
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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