JPS5611963A - Preparation of carbon black free from fine grit - Google Patents

Preparation of carbon black free from fine grit

Info

Publication number
JPS5611963A
JPS5611963A JP8853579A JP8853579A JPS5611963A JP S5611963 A JPS5611963 A JP S5611963A JP 8853579 A JP8853579 A JP 8853579A JP 8853579 A JP8853579 A JP 8853579A JP S5611963 A JPS5611963 A JP S5611963A
Authority
JP
Japan
Prior art keywords
suspension
organic solvent
phase
carbon black
water
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.)
Granted
Application number
JP8853579A
Other languages
Japanese (ja)
Other versions
JPH023826B2 (en
Inventor
Mitsuru Tanaka
Shin Kobayashi
Hideyuki Hisa
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.)
Mitsubishi Kasei Corp
Original Assignee
Mitsubishi Kasei Corp
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 Mitsubishi Kasei Corp filed Critical Mitsubishi Kasei Corp
Priority to JP8853579A priority Critical patent/JPS5611963A/en
Publication of JPS5611963A publication Critical patent/JPS5611963A/en
Publication of JPH023826B2 publication Critical patent/JPH023826B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

PURPOSE: To prepare the titled carbon black (CB) having low tendency of screen clogging, by sieving an aqueous suspension of CB with a vibrating sieve to separate the grits, adding an organic solvent to the suspension to transfer the CB to the organic phase, and removing water and the solvent from the organic phase.
CONSTITUTION: A homogeneous suspension of CB in water, having a viscosity of 1W100 poise, is sieved with a vibrating sieve having a vibration frequency of 1,500W3,000sec-1 and a vibration amplitude of 1W7mm to remove the grits from the suspension. The sieved suspension is mixed with an organic solvent such as toluene to form an organic solvent phase and an aqueous phase. CB is transferred from the aqueous phase to the organic solvent phase by agitating the system. Finally, water and the organic solvent is removed from the system to obtain the objective CB.
EFFECT: The surface qualities of the molded article obtained by kneading and extruding resin or rubber containing the CB, are remarkably improved.
COPYRIGHT: (C)1981,JPO&Japio
JP8853579A 1979-07-12 1979-07-12 Preparation of carbon black free from fine grit Granted JPS5611963A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8853579A JPS5611963A (en) 1979-07-12 1979-07-12 Preparation of carbon black free from fine grit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8853579A JPS5611963A (en) 1979-07-12 1979-07-12 Preparation of carbon black free from fine grit

Publications (2)

Publication Number Publication Date
JPS5611963A true JPS5611963A (en) 1981-02-05
JPH023826B2 JPH023826B2 (en) 1990-01-25

Family

ID=13945523

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8853579A Granted JPS5611963A (en) 1979-07-12 1979-07-12 Preparation of carbon black free from fine grit

Country Status (1)

Country Link
JP (1) JPS5611963A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5865633A (en) * 1981-08-24 1983-04-19 ゼネラル・エレクトリツク・カンパニイ Cloudy film and its manufacture
JPS60108444A (en) * 1983-11-18 1985-06-13 Mitsubishi Chem Ind Ltd Rubber composition having improved fatigue resistance
JPS6189262A (en) * 1984-10-09 1986-05-07 Mitsubishi Chem Ind Ltd Purification of carbon black

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4834769A (en) * 1971-09-01 1973-05-22 Shell Int Research

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4834769A (en) * 1971-09-01 1973-05-22 Shell Int Research

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5865633A (en) * 1981-08-24 1983-04-19 ゼネラル・エレクトリツク・カンパニイ Cloudy film and its manufacture
JPH035981B2 (en) * 1981-08-24 1991-01-28 Gen Electric
JPS60108444A (en) * 1983-11-18 1985-06-13 Mitsubishi Chem Ind Ltd Rubber composition having improved fatigue resistance
JPS6189262A (en) * 1984-10-09 1986-05-07 Mitsubishi Chem Ind Ltd Purification of carbon black

Also Published As

Publication number Publication date
JPH023826B2 (en) 1990-01-25

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