Carbon black reacted with diazonium salts and products

Details Carbon black reacted with diazonium salts and products Carbon black reacted with diazonium salts and products

C - Chemistry, Metallurgy

09

C

C09C 1/56 (2006.01) C08K 9/04 (2006.01) C09B 39/00 (2006.01) C09C 1/58 (2006.01) C09C 3/08 (2006.01) C09D 5/02 (2006.01) C09D 7/00 (2006.01) C09D 11/00 (2006.01) C09D 11/02 (2006.01) C09D 11/18 (2006.01) D01F 11/14 (2006.01) D06M 11/74 (2006.01) D06P 1/44 (2006.01) D21H 17/69 (2006.01)

Patent

CA 2207414

Processes for preparing a carbon black product having an organic group attached to the carbon black. In one process at least one diazonium salt reacts with a carbon black in the absence of an externally applied electric current sufficient to reduce the diazonium salt. In another process at least one diazonium salt reacts with a carbon black in a protic reaction medium. Carbon black products which may be prepared according to process of the invention are described as well as uses of such carbon black products in plastic compositions, rubber compositions, paper compositions, and textile compositions.

Procédé de fabrication d'un produit à base de noir de fumée comprenant un groupe organique lui étant lié dans lequel au moins un sel de diazonium réagit avec le noir de fumée en l'absence d'un courant électrique appliqué extérieurement et suffisant pour réduire ledit sel. Dans un autre procédé, au moins un sel de diazonium réagit avec le noir de fumée dans un milieu réactif protique. Des produits à base de noir de fumée préparés selon le procédé de l'invention sont présentés ainsi que leurs utilisations dans des compositions de plastique, de caoutchouc, de papier ou de textiles.

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