Particulate material containing thermoplastic elastomer and...

C - Chemistry – Metallurgy – 04 – B

Patent

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Details

C04B 35/628 (2006.01) B01J 2/30 (2006.01) B22C 1/22 (2006.01) C03C 12/00 (2006.01) C03C 17/32 (2006.01) C04B 41/48 (2006.01) C09K 8/516 (2006.01) C09K 8/80 (2006.01) E21B 43/04 (2006.01) E21B 43/267 (2006.01)

Patent

CA 2521007

Disclosed herein is a particle comprising a particulate substrate; and a thermoplastic elastomer present on or in the substrate as an amount sufficient to improve the dust suppression of the particle above that which would occur if the thermoplastic elastomer was absent. Disclosed herein is a particle comprising a particulate substrate; and a thermoplastic elastomer, wherein the particle has a compressive strength retention of greater than about 50% as measured by a UCS test and a turbidity of about 10 to 200 NTU after a one hour ball mill test.

La présente invention concerne une particule comprenant, d'une part un substrat particulaire, et d'autre part un élastomère thermoplastique présent sur ou dans le substrat en quantité suffisante pour améliorer, par rapport à ce qui se produirait si l'élastomère thermoplastique était absent, la suppression des poussières de la particule. L'invention concerne également une particule comprenant, d'une part un substrat particulaire, et d'autre part un élastomère thermoplastique, la particule présentant une conservation des propriétés de résistance à la compression d'au moins 50 % environ mesurée par le test UCS (Unconfined Compressive Strength) et une turbidité d'environ 10 à 100 NTU (unités de turbidité néphélémétrique) après une heure de test au broyeur à billes.

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