GB1491506A - Process for the production of reinforcing and pigment-grade carbon blacks - Google Patents

Process for the production of reinforcing and pigment-grade carbon blacks

Info

Publication number
GB1491506A
GB1491506A GB4949574A GB4949574A GB1491506A GB 1491506 A GB1491506 A GB 1491506A GB 4949574 A GB4949574 A GB 4949574A GB 4949574 A GB4949574 A GB 4949574A GB 1491506 A GB1491506 A GB 1491506A
Authority
GB
United Kingdom
Prior art keywords
feedstock
interval
ratio
carbon blacks
atomizing air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB4949574A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Degussa GmbH filed Critical Degussa GmbH
Publication of GB1491506A publication Critical patent/GB1491506A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/44—Carbon
    • C09C1/48—Carbon black
    • C09C1/50—Furnace black ; Preparation thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

1491506 Furnace carbon black DEUTSCHE GOLD-UND SILBER-SCHEIDEANSTALT 15 Nov 1974 17 Nov 1973 49495/74 Heading ClA Reinforcing and pigment grade carbon blacks of extreme particle fineness and low porosity are produced by the furnace method wherein a feedstock:atomizing air ratio of less than 5 kg.Nm<SP>-3</SP> is provided, atomizing air pressure is at least 4 kp.cm.<SP>-2</SP>, the quench-oil tip interval is between the minimum interval and three times that interval, the feedstock:atomizing air ratio is adjusted to obtain carbon black of average particle size less than 25 nm. and the quench-oil tip interval is adjusted to give a porosity of 1-3, expressed by the ratio of overall to geometric surface. The yield is determined by the ratio of total oxygen to feedstock. The carbon blacks show high abrasion resistance in rubber formulations, and a Nigrometer index of less than 80.
GB4949574A 1973-11-17 1974-11-15 Process for the production of reinforcing and pigment-grade carbon blacks Expired GB1491506A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732357524 DE2357524C2 (en) 1973-11-17 1973-11-17 Process for the production of reinforcing carbon blacks and carbon blacks with a high degree of fineness and low porosity

Publications (1)

Publication Number Publication Date
GB1491506A true GB1491506A (en) 1977-11-09

Family

ID=5898414

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4949574A Expired GB1491506A (en) 1973-11-17 1974-11-15 Process for the production of reinforcing and pigment-grade carbon blacks

Country Status (6)

Country Link
BE (1) BE822257A (en)
DE (1) DE2357524C2 (en)
FR (1) FR2251607B1 (en)
GB (1) GB1491506A (en)
IT (1) IT1024720B (en)
NL (1) NL7414002A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19503184C1 (en) * 1995-02-01 1996-05-02 Degussa Ag-based material for electrical contacts with improved erosion characteristics and resistant to welding

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL38127A (en) * 1970-12-07 1974-09-10 Cabot Corp Carbon black pigments and rubber compositions

Also Published As

Publication number Publication date
NL7414002A (en) 1975-05-21
IT1024720B (en) 1978-07-20
FR2251607A1 (en) 1975-06-13
BE822257A (en) 1975-05-14
DE2357524A1 (en) 1975-05-28
FR2251607B1 (en) 1978-11-24
DE2357524C2 (en) 1982-04-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921115