Cabot Corporation

Sandeep Bhatt

Alain Thielen

Michael J Atchetee

Marcel G Tomme

Polymer compositions, which are particularly useful in automotive applications, are described. The polymer composition contain at least one polymer and at least one carbon black having an STSA (statistical thickness surface area) of from about 10 to about 200 m/g, an INo of from about 15 to about 250 mg/g, a tinting strength about 130% or less, a DBPA of from about 20 to about 450 cc/100 g, a CDBP of from about 20 to about 400 cc/100 g, a ratio of INo to STSA of from about 0.4 to about 2.5, a particle size of from about 14 to about 250 nm, and a % volatiles of less than about 5.0%. Articles for automotive applications and other applications, as well as a method for electrostatically painting an article are also disclosed.

Conductive polymer compositions and articles containing same

Novel carbon blacks are described wherein the carbon blacks have a nitrogen surface area of from about 65 to about 95 m /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.

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Boxford, MA, United States of America

Sandeep Bhatt