viernes, 19 de junio de 2009

Hoffmann Mineral: Las aplicaciones de los Aktisiles (cargas con recubrimientos)

Aktisil

The Aktisil grades, i.e. activated Sillitins, are produced by modifying the surface of Neuburg Siliceous Earth with chemicals, specifically with selected silanes. Several different grades have been developed in order to always ensure optimum coupling between filler and polymer.

In comparison with untreated Neuburg Siliceous Earth, the Aktisil grades, through improved wetting by the polymer, offer manifold benefits in different fields of application:

  • Disperse more readily
  • Improved rheological properties
  • Improved coating resistance
  • Increased anti-corrosion properties

Product

Basis

Treated with

Vinyl acetate resins

(Meth-) Acrylat resins

Epoxy resins

Polyester resins

Vinyl ester resins

Melamin ester resins

Phenol resins

Silicon resins

Polyurethan resins

Aktisil VM 56

Sillitin Z 86

Vinyl silane





Aktisil MAM

Aktisil V 88

Methacrylic silane





Aktisil MAM-R

Sillitin V 85

Methacrylic silane





Aktisil EM

Sillitin Z 86

Epoxy silane





Aktisil AM

Sillitin Z 86

Amino silane


(*) The hydrophobic surface of the Aktisil PF 777 allows for optimal wetting because of the interaction between the functional filler

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