C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 5/24 (2006.01) B29C 70/52 (2006.01) C08J 5/04 (2006.01) C08K 7/02 (2006.01) C08L 75/04 (2006.01)
Patent
CA 2359560
The invention relates to polyisocyanurate systems, pultrusion of those systems to produce reinforced polyisocyanurate matrix composites, and to composites produced thereby. The polyisocyanurate systems include a polyol component, an optional chain extender, and an isocyanate. The polyisocyanurate systems have extended initiation times of about 5 minutes to about 30 minutes at room temperature, and can be snap cured.
La présente invention concerne, d'une part des systèmes de polyisocyanurates, d'autre part la pultrusion de tels systèmes de façon à produire des composites renforcés à matrice de polyisocyanurates, et enfin les composites ainsi produits. Ces systèmes de polyisocyanurates réunissent un composant polyol, éventuellement un allongeur de chaîne, et un isocyanate. Les temps d'amorçage de ces systèmes de polyisocyanurates, qui se prêtent à un durcissage par effet mécanique, sont relativement longs, entre environ 5 minutes et environ 30 minutes à température ambiante.
Cheolas Evan H.
Eling Berend
Joshi Ravi R.
Mcclelland Alan
Padsalgikar Ajay
Huntsman International Llc
Smart & Biggar
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