Pultrusion systems and process

Details Pultrusion systems and process Pultrusion systems and process

C - Chemistry, Metallurgy

08

J

C08J 5/04 (2006.01) B29C 70/52 (2006.01) C03C 14/00 (2006.01) C08K 7/02 (2006.01) C08L 75/06 (2006.01)

Patent

CA 2436804

Polyisocyanate-based reaction systems, a pultrusion process of those systems to produce reinforced matrix composites, and to composites produced thereby. The polyisocyanate-based systems are mixing activated reaction systems that include a polyol composition, an optional chain extender or crosslinker, and a polyisocyanate. The polyisocyanate-based systems exhibit improved processing characteristics in the manufacture of fiber reinforced thermoset composites via reactive pultrusion.

Il s'agit de systèmes de réaction à base de polyisocyanate, d'un procédé d'extrusion par étirage de ces systèmes pour produire des composites à matrice renforcée, et des composites résultants. Les systèmes à base de polyisocyanate sont des systèmes de réaction activés par mélanges qui comprennent une composition de polyol, un agent d'extension de chaîne ou agent de réticulation facultatifs, et un polyisocyanate. Les systèmes à base de polyisocyanate présentent des caractéristiques de traitement améliorées dans la fabrication des composites thermodurcissables renforcés par extrusion par étirage réactive.

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