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Durch den Einsatz von Rheologieadditiven können die Anwendungseigenschaften der verschiedensten Systeme entscheidend verbessert werden.

Je nach angestrebter Verbesserung sind allerdings maßgeschneiderte Lösungen und eine genaue Anpassung des Rheologieprofils nötig. Die Erhöhung der Lagerstabilität erfordert beispielsweise ein anderes Viskositätsprofil als eine Steigerung von Schichtdicken, während für eine Anhebung der Viskosität in niedrigen Scherbereichen ein anderer Ansatz als zur Erhöhung des Streichwiderstands gewählt werden muss.

Zudem muss das Additiv genau an die Polarität des Systems angepasst werden, je nachdem, ob es sich um ein lösemittelhaltiges, lösemittelfreies oder wässriges System handelt.

BYK bietet eine Vielzahl verschiedenster Additive für Systeme unterschiedlichster Polaritäten an. Neben Additivklassen wie Phyllosilikaten oder Assoziativverdickern sind auch spezielle Hochleistungsadditive wie synthetische Schichtsilikate verfügbar, die sich durch ihre hohe Uniformität und Transparenz auszeichnen. Flüssige Rheologieadditive, die sich sehr einfach einarbeiten lassen, sowie Wirkverstärker für pyrogene Kieselsäure runden das Angebot ab.

ebook Rheologie

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96%
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%
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Learn more about GARAMITE

GARAMITE rheology additives are organophilic phyllosicates based on the Mixed Mineral Technology (MMT) for solvent-borne and solvent-free systems. The GARAMITE organophilic phyllosilcates are based on the patented Mixed Mineral Thixotrope (MMT) technology and designed for usage in solvent-borne and solvent-free systems. They have an exceptionally high bulk density (i.e. lower volume), exhibit a very unique rheology profile, are easy to handle and incorporate, and give outstanding sag resistance and anti-settling properties. GARAMITE additives can be used in the most varied of solvent-borne and solvent-free systems such as coatings, plastics, adhesives and sealants, and household and institutional cleaners.
Wesentliche Vorteile
  • Rheology additives
  • Organophilic phyllosilicates based on patented MMT technology
  • For solvent-borne and solvent-free systems
  • Easy incorporation
  • Excellent improvement of sag resistance and anti-settling properties

Learn more about OPTIGEL

BYK´s OPTIGEL rheology additives are activated phyllosilicates for aqueous systems. The main function of all OPTIGEL products is the thixotropic stabilization of aqueous systems. Depending on the grade, a low to very high thickening effect and excellent anti-settling are achieved. They improve the processability and storage stability and provide anti-sag properties which allow for higher film thicknesses. There are unmodified and organically modified OPTIGEL types, whereby the latter show a high to very high thickening effect. As there are different types of OPTIGEL rheology additives available, it is possible to choose the matching product for various aqueous applications: coatings, adhesives and sealants, construction formulations, household, institutional, and industrial cleaners.
Wesentliche Vorteile
  • Rheology additives
  • Excellent stabilizing and anti-settling effect as well as sag control
  • Prevention of phase separation and syneresis
  • Stability of the gel structure over a wide temperature range
  • Improvement of processability
  • Modification adapted to the intended use

Learn more about RHEOBYK

RHEOBYK is BYK's leading brand for organic rheology additives. The organic RHEOBYK additives family comprises different product types: liquid and solid associative thickeners, acrylate thickeners, urea-based liquid thixotropes, polyamides, and thix boosters. They are for the most varied of applications and cover the entire shear range providing newtonian, pseudoplastic, or thixotropic flow behavior. Depending on the individual product, RHEOBYK additives can be used in solvent-borne, solvent-free, and aqueous coatings, adhesives and sealants, plastics, and industrial applications.
Wesentliche Vorteile
  • Rheology additives
  • Excellent anti-settling properties
  • Improvement of sag and spatter resistance and storage stability
  • Recommended for a wide range of systems and applications
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