Polymer nanocomposites for air movement devices

F - Mech Eng,Light,Heat,Weapons – 03 – B

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F03B 11/00 (2006.01)

Patent

CA 2562345

In one embodiment, the invention provides an air movement device having a matrix polymer and nanoparticles. In another embodiment, the invention provides a method of manufacturing an air movement device having dry-mixing about 30% to about 80% by weight matrix polymer and about 2% to about 15% by weight layered clay to form a dry mixture, extruding the mixture to form a polymer nanocomposite, and molding the polymer nanocomposite into an air movement device. In yet another embodiment, the irwention provides an air movement device having about 30% to about 80% by weight polypropylene, about 3% to about 10% by weight layered clay, and about 1 % to about 10% by weight maleir anhydride grafted polystyrene, wherein the air movement device has a UL 94 5VA flame retardant rating.

Dans un mode de réalisation, l'invention concerne un dispositif de déplacement d'air présentant un polymère matrice et des nanoparticules. Dans un autre mode de réalisation, l'invention concerne un procédé de fabrication d'un dispositif de déplacement d'air consistant à mélanger à sec entre environ 30 % et environ 80 % en poids d'un polymère matrice et entre environ 2 % et environ 15 % en poids d'argile en couches pour former un mélange sec, à extruder le mélange pour former un nanocomposite polymère et à mouler le nanocomposite polymère dans un dispositif de déplacement d'air. Dans un autre mode de réalisation encore, l'invention concerne un dispositif de déplacement d'air présentant entre environ 30 % et environ 80 % en poids de polypropylène, entre environ 3 % et environ 10 % en poids d'argile en couches et entre environ 1 % et environ 10 % en poids de polystyrène à greffe d'anhydride maléique, le dispositif de déplacement d'air présentant un classement au feu UL 94 5VA.

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