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New Compatibilizer by Evonik for Alkyd Resin Coatings

Published on 2017-04-05. Author : SpecialChem

ESSEN -- Evonik has introduced TEGO® Color Aid, a compatibilizer that benefits both organic and inorganic pigments. Most universal pastes work well in a wide variety of coating systems but alkyd resin coatings remain a challenge: Pigments cannot be readily stabilized in the binder, resulting in uneven color intensity. The new TEGO® Color Aid can be added to formulations to increase compatibility between the pigment concentrate and the binder.

Compatibilizer for Organic and Inorganic Pigments

alkyd paints
New TEGO® Color Aid technology from Evonik
expands the potential uses of pigment concentrates in
paints and coatings based on alkyd resins.

  • As an additive in the coating base, the compatibilizer can force water out of the pigment concentrate once the latter has been added
  • It allows the full effect of the dispersion additive in the pigment concentrate to develop, stabilizing the pigments in the coating base and thus optimizing the absorption of the color paste and the distribution of color

Key Advantage of TEGO® Color Aid Technology:

  • The properties of the finished coating remain virtually untouched
  • The amount needed of the new product is very small relative to existing compatibilizers
  • Structure of the amino amide surfactant was designed to have only a slight impact on the drying time of the coating
  • Color values likewise remain constant and do not need to be adjusted. As such, the yellowing process remains unaffected

The additional costs of the compatibilizer barely register, given that such a tiny amount is necessary and the technology is only used precisely where it is needed — in the alkyd resin system. The use of TEGO® Color Aid can also reduce the cost of developing or updating universal pastes.

With the development of TEGO® Color Aid, Evonik expands its portfolio with a product that reduces the complexity of developing new formulations, thereby relieving customers of some of their work.

About Evonik

Evonik, the creative industrial group from Germany, is one of the world leaders in specialty chemicals. Profitable growth and a sustained increase in the value of the company form the heart of Evonik’s corporate strategy. Evonik benefits specifically from its innovative prowess and integrated technology platforms. Evonik is active in over 100 countries around the world with more than 35,000 employees.

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Source: Evonik
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