PREPARATION OF YELLOW GREEN PIGMENT

PURPOSE:Stable yellow green pigment having improved coloring power, obtained by adding a specific amount of mineralizer to a mixture consisting of nickel oxide, zinc oxide, and silicic acid in a specific ratio, followed by calcining the blend at a specified temperature. CONSTITUTION:1-30wt% minerali...

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Bibliographic Details
Main Authors WATAMURA SHINJI, MIZUTA HIROYUKI, SHIBAZAKI YASUO, KANEOKA SHIGETO
Format Patent
LanguageEnglish
Published 14.04.1982
Subjects
ADHESIVES
CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS
CHEMISTRY
COMPOUNDS THEREOF
DYES
GLASS
INORGANIC CHEMISTRY
JOINING GLASS TO GLASS OR OTHER MATERIALS
METALLURGY
MINERAL OR SLAG WOOL
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-METALLIC ELEMENTS
PAINTS
POLISHES
PREPARATION OF CARBON BLACK
SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS
SURFACE TREATMENT OF GLASS
TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Summary:PURPOSE:Stable yellow green pigment having improved coloring power, obtained by adding a specific amount of mineralizer to a mixture consisting of nickel oxide, zinc oxide, and silicic acid in a specific ratio, followed by calcining the blend at a specified temperature. CONSTITUTION:1-30wt% mineralizer, e.g., sodium molybdate or sodium tungstate is added to a mixture consisting of 1.3-49.0wt% nickel oxide, 23.0-0wt% zinc oxide, and 28.7-28.1wt% silic acid. The blend is calcined at 1,100-1,300 deg.C. Consequently, yellow green pigment having improved heat resistance and corrosion resistance, not causing change of color even at high temperature. The yellow green pigment is shown by the formula (Ni2-x, ZnX).SiO4(x=0-0.6mol, X is substituent guantity of bivalent metal oxide).
Bibliography:Application Number: JP19800135535