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JPS5571760A - Treatment of zinc oxide with sensitizing dye - Google Patents

Treatment of zinc oxide with sensitizing dye

Info

Publication number
JPS5571760A
JPS5571760A JP14565078A JP14565078A JPS5571760A JP S5571760 A JPS5571760 A JP S5571760A JP 14565078 A JP14565078 A JP 14565078A JP 14565078 A JP14565078 A JP 14565078A JP S5571760 A JPS5571760 A JP S5571760A
Authority
JP
Japan
Prior art keywords
zinc oxide
sensitizing dye
solvent
boiling
low
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
JP14565078A
Other languages
Japanese (ja)
Other versions
JPS5639819B2 (en
Inventor
Koichi Kinoshita
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.)
KINOSHITA KENKYUSHO KK
KINOSHITA KENKYUSHO YUGEN
Original Assignee
KINOSHITA KENKYUSHO KK
KINOSHITA KENKYUSHO YUGEN
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 KINOSHITA KENKYUSHO KK, KINOSHITA KENKYUSHO YUGEN filed Critical KINOSHITA KENKYUSHO KK
Priority to JP14565078A priority Critical patent/JPS5571760A/en
Publication of JPS5571760A publication Critical patent/JPS5571760A/en
Publication of JPS5639819B2 publication Critical patent/JPS5639819B2/ja
Granted legal-status Critical Current

Links

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  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE: A sensitizing dye is dissolved in a mixture of solvents boiling at high and low temperatures and zinc oxide is mixed with the resulting solution, then the low- boiling solvent is evaporated, thus coating completely the particles of zinc oxide with the sensitizing dye.
CONSTITUTION: A sensitizing dye that is soluble in the first solvent boiling at low temperatures and insoluble in the second solvent boiling at high temperatures, for example, Rose bengal or Phloxine, is dissolved in a mixture of the first solvent as ethanol and the second solvent as isopar-H and zinc oxide is added to the resulting solution and kneaded. Then, they are heated to evaporate the low-boiling solvent and coat the particles of zinc oxide with the sensitizing dye.
EFFECT: This coating method coats each particle of zinc oxide separately with the sensitizing dye and dries them independently.
COPYRIGHT: (C)1980,JPO&Japio
JP14565078A 1978-11-25 1978-11-25 Treatment of zinc oxide with sensitizing dye Granted JPS5571760A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14565078A JPS5571760A (en) 1978-11-25 1978-11-25 Treatment of zinc oxide with sensitizing dye

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14565078A JPS5571760A (en) 1978-11-25 1978-11-25 Treatment of zinc oxide with sensitizing dye

Publications (2)

Publication Number Publication Date
JPS5571760A true JPS5571760A (en) 1980-05-30
JPS5639819B2 JPS5639819B2 (en) 1981-09-16

Family

ID=15389910

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14565078A Granted JPS5571760A (en) 1978-11-25 1978-11-25 Treatment of zinc oxide with sensitizing dye

Country Status (1)

Country Link
JP (1) JPS5571760A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0588768A2 (en) * 1992-09-14 1994-03-23 Ciba-Geigy Ag Process for improving the degree of whiteness, the brightness and the colour location of fillers and pigments
US5609852A (en) * 1992-05-16 1997-03-11 The Boots Company Plc Sunscreen with coated microfine particles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5609852A (en) * 1992-05-16 1997-03-11 The Boots Company Plc Sunscreen with coated microfine particles
EP0588768A2 (en) * 1992-09-14 1994-03-23 Ciba-Geigy Ag Process for improving the degree of whiteness, the brightness and the colour location of fillers and pigments
EP0588768A3 (en) * 1992-09-14 1994-08-10 Ciba Geigy Ag Process for improving the degree of whiteness, the brightness and the colour location of fillers and pigments

Also Published As

Publication number Publication date
JPS5639819B2 (en) 1981-09-16

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