Metal and metal oxide granules and forming process

Details Metal and metal oxide granules and forming process Metal and metal oxide granules and forming process

C - Chemistry, Metallurgy

06

B

C06B 33/00 (2006.01) C06B 31/28 (2006.01) C06B 45/02 (2006.01) C06B 47/00 (2006.01)

Patent

CA 2429014

This invention relates to granules comprising a homogenous mixture of metal flakes and/or metal powder and metal oxide powder, and a binder. The process also relates to a process for producing such granules. The process includes the step of forming a mixture of metal flakes and metal oxide powder, forming the mixture into a homogenous blend, adding the blend, together with a binder, to a granulator to form granules, and drying the granules. Granules so formed containing aluminium, aluminium oxide and iron oxide find particular use as sensitisers and energisers in explosives compositions.

La présente invention concerne des granules comprenant un mélange homogène de paillettes de métal et/ou de poudre de métal et de poudre d'oxyde métallique, et un liant. Cette invention concerne également un processus de production desdites granules. Le procédé consiste à former un mélange de paillettes de métal et/ou de poudre de métal et de poudre d'oxyde métallique, à transformer le mélange en un mélange homogène, à ajouter le mélange, en même temps qu'un liant, à un granulateur pour obtenir des granules, et à sécher les granules. Les granules ainsi obtenues, contenant de l'aluminium, de l'oxyde d'aluminium et de l'oxyde de fer peuvent être utilisées en particulier en tant que sensibilisateurs et amplificateurs d'énergie dans des compositions d'explosifs.

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