JPS57167357A - Production of titanium dioxide pigment - Google Patents

Production of titanium dioxide pigment

Info

Publication number
JPS57167357A
JPS57167357A JP5269381A JP5269381A JPS57167357A JP S57167357 A JPS57167357 A JP S57167357A JP 5269381 A JP5269381 A JP 5269381A JP 5269381 A JP5269381 A JP 5269381A JP S57167357 A JPS57167357 A JP S57167357A
Authority
JP
Japan
Prior art keywords
titanium dioxide
resulting
alumina
terms
particles
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
JP5269381A
Other languages
Japanese (ja)
Other versions
JPH0251944B2 (en
Inventor
Mamoru Matsunaga
Masashi Sakamoto
Teruo Usami
Sho Tokumoto
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.)
Ishihara Sangyo Kaisha Ltd
Original Assignee
Ishihara Sangyo Kaisha Ltd
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 Ishihara Sangyo Kaisha Ltd filed Critical Ishihara Sangyo Kaisha Ltd
Priority to JP5269381A priority Critical patent/JPS57167357A/en
Publication of JPS57167357A publication Critical patent/JPS57167357A/en
Publication of JPH0251944B2 publication Critical patent/JPH0251944B2/ja
Granted legal-status Critical Current

Links

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

Abstract

PURPOSE: To obtain a titanium dioxide pigment having excellent whiteness and light resistance, by coating titanium dioxide particles with specified amounts of hydrated antimony oxide and then an alumina/silica coprecipitate in turn, and calcining the resulting particles.
CONSTITUTION: A water-soluble antimong compd. is added to an aq. slurry of titanium dioxide. The resulting slurry is neutralized to coat the titanium dioxide particles with less than 1% (in terms of Sb2O3 based on the weight of titanium dioxide) hydrated antimony oxide. Then there are added a water-soluble aluminum compd. and a water-soluble silicon compd. The resulting mixture is neutralized to coated the titanium dioxide particles with an alumina/silica coprecipitate in an amount of 2W6% (in terms of Al2O3) alumina and 2W6(in terms of SiO2) silica, each based on the weight of titanium dioxide. The resulting coated titanium dioxide is recovered from the aq. slurry, and calcined at 400W800lto obtain the desired titanim dioxide pigment.
COPYRIGHT: (C)1982,JPO&Japio
JP5269381A 1981-04-08 1981-04-08 Production of titanium dioxide pigment Granted JPS57167357A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5269381A JPS57167357A (en) 1981-04-08 1981-04-08 Production of titanium dioxide pigment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5269381A JPS57167357A (en) 1981-04-08 1981-04-08 Production of titanium dioxide pigment

Publications (2)

Publication Number Publication Date
JPS57167357A true JPS57167357A (en) 1982-10-15
JPH0251944B2 JPH0251944B2 (en) 1990-11-09

Family

ID=12921960

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5269381A Granted JPS57167357A (en) 1981-04-08 1981-04-08 Production of titanium dioxide pigment

Country Status (1)

Country Link
JP (1) JPS57167357A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02194064A (en) * 1989-01-20 1990-07-31 Teika Corp Antimony-containing minute titanium dioxide powder
JPH02214783A (en) * 1989-02-15 1990-08-27 Teika Corp Pigment of titanium dioxide and production thereof
JP2003112923A (en) * 2001-10-01 2003-04-18 Catalysts & Chem Ind Co Ltd Reformed titanium oxide particle
JP2006182896A (en) * 2004-12-27 2006-07-13 Sakai Chem Ind Co Ltd Surface-coated titanium dioxide pigment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02194064A (en) * 1989-01-20 1990-07-31 Teika Corp Antimony-containing minute titanium dioxide powder
JPH02214783A (en) * 1989-02-15 1990-08-27 Teika Corp Pigment of titanium dioxide and production thereof
JP2003112923A (en) * 2001-10-01 2003-04-18 Catalysts & Chem Ind Co Ltd Reformed titanium oxide particle
JP2006182896A (en) * 2004-12-27 2006-07-13 Sakai Chem Ind Co Ltd Surface-coated titanium dioxide pigment

Also Published As

Publication number Publication date
JPH0251944B2 (en) 1990-11-09

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