Black iron oxide pigments with high tinting strength, resistivity towards reduction and oxidation for colouring polymers and building materials

Ferric oxide black pigment (I) (exhibiting: a color shift delta E* in high density polyethylene (HDPE) process according to DIN 53772 and DIN 6174 at 260[deg]C of less than 0.7 (particularly 0.5); oxidation stability at 140[deg]C according to IMCO-testing; and blend ratio for the low color character...

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Bibliographic Details
Main Authors Kunstmann, Herbert, Dr, Rosenhahn, Carsten, Dr, Kräuter, Udo, Dr, Moringen, Hans-Josef, Dipl.-Ing
Format Patent
LanguageEnglish
French
German
Published 12.04.2017
Subjects
ADHESIVES
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
DYES
INORGANIC CHEMISTRY
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
PREPARATION OF CARBON BLACK
TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Summary:Ferric oxide black pigment (I) (exhibiting: a color shift delta E* in high density polyethylene (HDPE) process according to DIN 53772 and DIN 6174 at 260[deg]C of less than 0.7 (particularly 0.5); oxidation stability at 140[deg]C according to IMCO-testing; and blend ratio for the low color characteristic value B 1/9 according to DIN 53235 part 1 and 2 of greater than 1.9), is new. An independent claim is also included for the preparation of (I).
Bibliography:Application Number: EP20050026194