公开(公告)号：DE3465745D1

公开(公告)日：1987-10-08

申请号：DE3465745

申请日：1984-02-02

Applicant: DEGUSSA

Inventor： ENGEL CLAUS RICHARD DR ,  DWOROWY LUTZ

IPC: C09D7/00 ,  C08J3/20 ,  C08J3/22 ,  C09C1/00 ,  C09C1/56 ,  C09C1/58 ,  C09D7/12 ,  C09D11/00 ,  C09D11/02 ,  C09D17/00 ,  C09D3/16

Abstract: The invention relates to a method for producing nitrocellulose-based carbon black in the form of chips. The recipe constituents are blended into a mixture and converted at an elevated temperature into a dispersion in a suitable device which achieves the desired degree of kneading such as a kneading machine or roller die extruder. The dispersion is then calendered into a film, the film is cooled and crushed into chips. The carbon black concentrates can be used as pigmentation agents for lacquers, paints and printing inks.

公开(公告)号：DE2404536A1

公开(公告)日：1975-08-14

申请号：DE2404536

申请日：1974-01-31

Applicant: DEGUSSA

Inventor： OELMANN ALFRED DR ING ,  ENGEL CLAUS RICHARD DR ,  ROTHBUEHR LOTHAR DR

IPC: C09C1/48

Abstract: Deeply colored carbon black having a low content of extractable matter and a primary particle size of about 8-25 nanometers is made by the gas black process using as the carrier gas for the vapors of the carbon black forming oil a hydrogen rich mixture containing over about 50 volume % hydrogen and then collecting the separated carbon black deposited on a cooling roll.

公开(公告)号：DE2333079A1

公开(公告)日：1975-01-23

申请号：DE2333079

申请日：1973-06-29

Applicant: DEGUSSA

Inventor： ENGEL CLAUS RICHARD DR ,  LINKE HEINZ DR ,  ROTHBUEHR LOTHAR DR ,  SROKA WERNER DR ,  WESTLINNING HERMANN DR ,  VOGT JES DIPL-ING DR

IPC: B29B13/00 ,  B29B7/00 ,  B29B7/60 ,  B29B7/72 ,  B29B9/00 ,  B29C47/00 ,  B29C47/10 ,  B29C48/395 ,  C08J3/22

Abstract: 1468853 Carbon black-filled thermoplastics DEUTSCHE GOLD-UND SILBER-SCHEIDEANSTALT 12 June 1974 [29 June 1973] 26031/74 Heading C3P Carbon black is incorporated in a thermoplastics material by a process which comprises adding the carbon black to the thermoplastics material in a continuous screw extruder at at least two points lying one behind the other in the delivery direction. Plastics material and part of the carbon black may be introduced together at a first inlet, and the distance between inlets may be 2 to 6, preferably 3 to 5 times the diameter of the kneader screw. The process may be used to produce concentrates which may be diluted with further plastics material. Examples describe the preparation of compositions of carbon black with (1 to 4) polyethylene, (2) polypropylene and (3) polystyrene.