X-ray opaque thermoplastic moulding compound

Details X-ray opaque thermoplastic moulding compound X-ray opaque thermoplastic moulding compound

C - Chemistry, Metallurgy

08

K

C08K 3/30 (2006.01) C08L 25/12 (2006.01) C08L 51/04 (2006.01) C08L 57/00 (2006.01) C08L 101/02 (2006.01) C08L 67/00 (2006.01) C08L 69/00 (2006.01)

Patent

CA 2315176

Thermoplastic moulding compound containing (A) one or several vinyl polymers, (B) BaSO4 particles, and (C) optionally a bifunctional reactive compound polycondensate. The BaSO4 particles have an average diameter of more than 100 nm and a maximum average diameter of 3 000 nm. Also described is the use of the inventive moulding compound in the production of toys or medical items, in addition to moulded parts made from said moulding compound.

a'invention concerne une matière moulable thermoplastique contenant: (A) au moins un polymérisat de vinyle; (B) des particules de BaSO¿4?; et (C) éventuellement un polycondensat de composés réactifs bifonctionnels. Les particules de BaSO¿4? présentent un diamètre moyen supérieur à 100 nm mais au maximum de 3 000 nm. L'invention concerne en outre l'utilisation de cette matière moulable pour la production de jouets ou d'articles médico-techniques, ainsi que les pièces moulées réalisées à partir de ladite matière.

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