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Interior Paints

Black bike infront of orange painted wall.

For the formulation of interior paints, WACKER offers binders and additives derived from different chemical platforms: silicone chemistry, organic chemistry and a combination of the two. This forms foundation of a very broad portfolio of highly specialized solutions and is the background to our outstanding expertise, allowing us to offer combinations of desirable properties such as strong adhesion, high hydrophobicity, scrub- and stain resistance or low VOC.

VINNAPAS® vinyl acetate-ethylene (VAE) dispersions stand out due to their attractive combination of:

  • Environmental benefits
  • High performance
  • Excellent cost-in-use-ratio

Our portfolio comprises products that have been polymerized without the use of APEO-containing raw materials. Many grades show very low residual monomer contents (< 200 ppm) as well as very low residual formaldehyde (< 5 ppm). They are therefore well suited for formulating paints with VOC levels of less than 1 g/l without compromising on performance.

The effect of water as coalescing aid (hydroplastification): the graph clearly illustrates the inherently better coalescing properties of VAE-based emulsions compared to styrene-acrylic (SA) emulsions.

Improved Coalescence at Low Temperatures

VAE dispersions are rapidly becoming the industry standard for low-odor interior paints, since, by requiring less coalescing solvents, they generate less odor and have lower formulation costs. VAE copolymers also offer improved coalescence at low temperatures, which leads to better low-temperature touch-up properties. They can also significantly boost crack resistance while reducing the overall cost of the formulated paint.

The effect of water as coalescing aid (hydroplastification): the graph clearly illustrates the inherently better coalescing properties of VAE-based emulsions compared to styrene-acrylic (SA) emulsions.

Improved Coalescence at Low Temperatures

VAE dispersions are rapidly becoming the industry standard for low-odor interior paints, since, with reduced amounts of coalescing solvents, they generate less odor have lower formulation costs. VAE copolymers also offer improved coalescence at low temperatures, which leads to better low-temperature touch-up properties. They can also significantly boost crack resistance while reducing the overall cost of the formulated paint.

Under the trademark PRIMIS® we offer oil-resistant and hydrophobic dispersions based on acrylate copolymers. As a co-binder in interior paints these grades increase stain resistance allowing the formulation of easy-to-clean paints. Many different types of stains, from coffee and red wine to pencils, crayons and highlighters can be easily wiped off with a cloth using a household dishwashing detergent diluted with water.

Benefits:

  • Improved stain resistance
  • Enhanced blocking resistance
  • Can be used in existing formulations
  • Compatible with VINNAPAS® VAE dispersions
  • Compatible with acrylic-based binders

The Hydrophobicity is Illustrated by the Significant Increase in Contact Angle Obtained by Adding Silicones

SILRES® BS silicone resin additives improve the performance of interior paints.

Benefits:

  • Excellent hydrophobicity
  • Better marking resistance
  • Enhanced stain resistance
  • Higher surface smoothness
  • Better leveling
  • Extended open time
The new NEXIVA® product line can be used to make powder-form interior wall paints.

NEXIVA® products are polymeric binders in dry form for powder paints. NEXIVA® dispersible polymer powders enable paint producers to provide solutions to the market that capture the essence of modern lifestyle – performance, sustainability and healthy living.

Key Benefits of NEXIVA® Based Powder Paints:

  • No need for biocide preservation
  • Light weight for easy transport
  • Storage at challenging climate conditions (heat, cold)
  • Preparation on demand and at precise dosage – simply add water
  • Paint can be applied immediately after mixing
  • Consistency adjustable via ratio between water and powder
  • Coloration possible