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Dispersions & Additives > for Interior Coatings

Today interior architecture and design play a key role in increasing the quality of consumers’ lives. Aqueous interior paints create enjoyable spaces. Therefore, consumers ask for new features such as customized colors, additional functionalities and effects.
Aqueous interior paints must become more user-friendly, covering a variety of application methods for both, professional painters as well as for DIY customers. Last but not least, coatings have to meet increasingly demanding environmental standards. End-users are looking for healthy and more sustainable paints.

Our comprehensive portfolio ranges from organic (acrylic polymer dispersions) and organic (water-glass) binders via additives such as defoamers, coalescents, rheology modifiers and dispersing agents, to the broadest offerings in pigments and pigments preparations and functional extenders to formulate:

Solvent-free paints, cleanable paints, nicotine and tar blocking paints as well as water-glass stable paints. 


Acronal®, AQACell®, COL.9®; Dispex®, JoncrylR, HydrophalatR, Foamaster®, FoamStar®, Rheovis®, Loxanol®

Applications of our dispersions and additives 

Dispersions for exterior paints

BTC’s Acronal® range for exterior paints covers styrene and pure acrylics which offer a very high durability against the influence of weathering. In addition, our styrene acrylics have an outstanding chemical resistance, which is very important for exterior applications. 

Our range of Acronal® ECO solutions allow formulators to create health-friendly paints which exceed regulatory standards and which are in line with all relevant European eco labels for paints. 

Our range of Acronal® Hide grades offer an improved hiding power which allows formulators to reduce their pigment demand.

Acronal® PLUS grades enable formulators to achieve superior properties such as

  • easy-to clean surfaces, 
  • extremely elastic facade paints to bridge cracks in the substrate. 

Acronal® EDGE is used to formulate premium paints with superior performance. Our products increase renovation cycles for exterior facades and let them remain as bright and shiny as on the first day. 

Our Joncryl grades based on our new RC (rheology controlled) Technology offer outstanding wet adhesion and block-resistance.

Dispersing agents for exterior paints

Dispex®, Dispex® HIDE and Dispex® Ultra dispersing agents are used to stabilize pigments and other particles within paints and coatings. For formulators, they represent an essential component as they provide 

  • increased colour strength, 
  • outstanding viscosity stability,
  • increased hiding power,
  • reduced sedimentation of pigments and particles. 

Defoamers for exterior paints

BTC’s Foamaster® and Foamstar® defoamers are important process aids throughout the paint production as well as the application process in order to 

  • suppress and destroy foam and its negative effects prior to and during application,
  • remove or inhibit air bubbles.

Rheology modifiers for exterior paints

Rheovis® rheology modifiers enable formulators to adjust the flow behavior of paints. That way, painters benefit from improved viscosity and application characteristics. BTC’s Rheovis® rheology modifiers

  • reduce dripping and spattering of paint during roller or brush application, 
  • improve sag resistance of a paint by a rapid, but controlled viscosity increase after application,
  • prevent sedimentation of the pigments within a formulation during transport and storage of the paint.

Opacifiers for exterior paints

Our AQACell Hide opacifier enables formulators to drastically reduce their titanium dioxide consumption

Film-Forming agents

Our Loxanol® grades are used to support the film-forming process of a paint or coating. Within this product group BTC offers high-performance coalescing agents.

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About BTC

BTC Europe belongs to the world‘s leading chemical group, BASF –We create chemistry. BTC is BASF‘s European sales organization for specialty chemical distribution. 
Customers from different industries have different requirements and needs. The fact that we focus fully on the specific expectations of each individual customer allows us to produce tailormade service packages for our clients.