C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 3/08 (2006.01) C08L 61/04 (2006.01) C08L 61/06 (2006.01) C08L 77/00 (2006.01) C08L 77/02 (2006.01) C08L 77/06 (2006.01) F42B 12/74 (2006.01)
Patent
CA 2494840
A high density polymer composition made from compositions comprising (a) polymeric binder comprising polyamide compositions and blends and based on monomers comprising hexamethylenediamine and/or caprolactam, and phenolic novolac resin, and (b) metal or metal alloy powder is disclosed. Articles made from the composition are disclosed. Bullets and other forms of ammunition are preferred articles. Processes for their preparation are also disclosed.
L'invention concerne une composition polymère à haute densité fabriquée à partir de compositions comprenant (a) un liant polymère renfermant des compositions et des mélanges de polyamide et basée sur des monomères contenant de l'hexaméthylènediamine et/ou du coprolactame, et de la résine novolaque phénolique, et (b) une poudre d'alliage métallique ou du métal. L'invention concerne également des articles fabriqués à partir de cette composition. Parmi les articles préférés de cette invention, on peut citer les balles ainsi que d'autres formes de munition. L'invention concerne enfin des procédés de préparation de ces compositions.
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
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