C - Chemistry – Metallurgy – 09 – C
Patent
C - Chemistry, Metallurgy
09
C
C09C 1/48 (2006.01) C08K 3/04 (2006.01) C08L 31/04 (2006.01) C08L 47/00 (2006.01) H01B 1/04 (2006.01) H01B 1/24 (2006.01)
Patent
CA 2393397
Novel carbon blacks are described wherein the carbon blacks have a nitrogen surface area of from about 65 to about 95 m2/g; an Iodine number without additive of from about 64 to about 120 mg/g; a tinting strength of about 90 % or less; and a particle size of from about 22 nm to about 39 nm. Polymeric compositions containing at least one polymer and the carbon blacks of the present invention are further described as well as preferred polymeric compositions, such as wire and cable compounds containing the carbon blacks of the present invention in such uses as shielding compositions. Electrical conductors containing one or more layers which contain the carbon blacks of the present invention are further described as well as improved properties using the carbon blacks of the present invention.
L'invention concerne de nouveaux noirs de carbone qui présentent une surface azotée comprise entre environ 65 et 95 m<2>/g; un indice d'iode dépourvu d'additif compris entre environ 64 et environ 120 mg/g; un pouvoir colorant d'environ 90 % ou moins; et une dimension de particule comprise entre environ 22 nm et environ 39 nm. L'invention concerne également des compositions polymères contenant au moins un polymère et lesdits noirs de carbone ainsi que des compositions polymères préférées, telles que des composés pour fils et pour câbles contenant lesdits noirs de carbone destinés notamment à des compositions de protection. L'invention concerne en outre des conducteurs électriques contenant une ou plusieurs couches contenant lesdits noirs de carbone ainsi que des propriétés améliorées utilisant lesdits noirs de carbone.
Atchetee Michael J.
Bhatt Sandeep
Tomme Marcel G.
Cabot Corporation
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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