Clariant Produkte (deutschland) Gmbh

Clariant Corporation

Omya International Ag

Clariant Produkte Gmbh

Eduard Michel

Hans-Tobias Macholdt

Ruediger Baur

Josef Geisenberger

Heidemarie Menzel

Andreas Harz

Jürgen Spehn

Holger Müller

Jürgen Leonhardt

Norbert Kohl

Rüdiger Baur

An inventive process for the production of a composite polymer material is provided allowing for the preparation of a composite polymer material with high filler content which may be used as a masterbatch.

Process for the production of a composite polymer material with increased filler content

The invention relates to hydrophobic salts of layer-like metal hydroxides, which are obtainable by adding to a layer-like metal hydroxide salt, which contains trivalent, divalent and optionally monovalent metal cations and one or more organic anions A of the formula ()X&#x2014;R&#x2014;Y&#x2003;&#x2003;(1),wherein The compounds according to the invention are employed as charge control agents, in particular in electrophotography.

Hydrophobic salts of layered metal hydroxides

A dye base sulfate and method of making are described. The dye base sulphate of formula (I) is produced with a residual amine content of less than 2000 ppm, as determined by HPLC, by precipitation of the dye base, made by Friedel-Crafts alkylation, substitution and hydrolysis, as the dye base sulphate is a) taken up in water and subjected to a first steam distillation then filtered and optionally dried at 50 to 180&#xb0; C., b) the pressed cake is treated with water or the optionally dried dye base sulphate is moistened with water, c) subjected to a further steam distillation and filtration and d) dried at 50 to 180&#xb0; C. 

Blue dye with particularly high purity and positive triboelectric control effect

Layered double hydroxide salts as charge control agents in electrophotographic toners and developers, in powder coating materials, electret materials and in electrostatic separation processes of chargeable materials, such as polymers, wherein the double hydroxide salt contains monovalent and/or divalent, and also trivalent, metal cations, and also contains one or more organic anions A of the formula (I)X&#x2014;R&#x2014;Y&#x2003;&#x2003;(1)whereinX is hydroxyl, carboxyl, sulfato or sulfo;Y is carboxyl, sulfato or sulfo, andR is an aliphatic, cycloaliphatic, heterocycloaliphatic, olefinic, cycloolefinic. heterocycloolefinic, aromatic, heteroaromatic, araliphatic or heteroaraliphatic radical having a total of at least 8 carbon atoms which can be substituted by one or several substituents from the group hydroxyl, amino, halogen, C-C-alkyl, C-C-alkoxy, &#x2014;C-C-alkylene-(CO)&#x2014;O&#x2014;(CHCHO)-alkyl,&#x2014;C-C-alkylene-(CO)&#x2014;O&#x2014;(CHHO)-haloalkyl, carboxy, sulfo, nitro or cyano.

Use of salts of layered double hydroxides as charge control agents

A layered double hydroxide salt as a charge control agent in electrophotographic toners and developers, in powder coating materials, electret materials and in electrostatic separation processes of chargeable materials, such as polymers, wherein the double hydroxide salt contains monovalent and/or divalent, and also trivalent, metal cations, and also contains organic anions A of the formulae (I) to (XXX) set forth in the specification.

Use of salts of layered double hydoxides

The present invention relates to the use of salt-like structured silicates, in which the cation is NH, HO, an alkali metal, alkaline earth metal, earth metal or transition metal ion or a low molecular weight organic cation or a combination thereof and the anion is an island, cyclic, group, chain, ribbon, laminar or matrix silicate or a combination thereof as charge control agents in electrophotographic toners and developers, in powder coatings, electret materials and in electrostatic separation processes.

Use of salt-like structured silicas as charge control agents

The present invention relates to the use of a CuPc composition consisting essentially of CuPc, e.g., C.I. Pigment Blue 15:3, and a hydroxymethylphthalimido CuPc, as a colorant in electrophotographic toners and developers, powders and powder coating materials, electret materials, inkjet inks, and color filters, wherein the phthalocyanines have a particle morphology with an average length-to-width ratio of more than 2.5:1.

Use of improved cyan pigments in inkjet inks

Cyan pigments in electrophotographic toners and developers

Use of metal carboxylates and sulfonates as charge control agents Metal carboxylates and metal sulfonates are employed as charge control agents in electrophotographic toners and developers, as charge improvers in powder coating materials and electret materials, and in electrostatic separation processes.

Use of metal carboxylates and sulfonates as charge control agents

Inter-polyelectrolyte complexes (IPECs) are employed as charge control agents and charge improvers in electrophotographic toners and developers, in triboelectrically or electrokinetically sprayable powders and powder coating materials and in electret materials.

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Frankfurt am Main, Germany

Eduard Michel