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Silicones from Dow Corning
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Bond Organic and Inorganic Materials

Bond Organic and Inorganic Materials

Organics such as thermoplastic resins and epoxies, and inorganics such as glass fiber and mineral fillers, may not naturally bond. Attempting to combine them can negatively impact the mechanical properties of the finished compound. A compatibilizer, or coupling agent, strongly bonds organic and inorganic materials together by chemically reacting to both of them.

Advanced compatibilizers from Dow Corning can create compounds with better performance than either material can deliver by itself. For example, our silane solutions can create compounds of epoxies and glass fiber with higher heat deflection temperatures (HDTs) than the organic material alone.

Compared to commodity silane compatibilizers, our technology provides stronger bonding and adds improved performance to the finished material-all at very low loadings.

Solving Your Application Challenges

Dow Corning compatibilizers are ideal for compounding and for glass fiber treatment. They raise the HDT of glass fiber-reinforced PP by 10°C to 15°C. In automotive under-hood components and appliance applications, these PP compounds can replace glass fiber-reinforced PA 6 to reduce weight and improve cost-effectiveness. In printed circuit board (PCB) manufacturing, our Dow Corning® Z-6132 Silane series delivers excellent thermal stability and improves anti-CAF (conductive anodic filament) performance, which enables production of thinner PCBs for smart devices.

Our compatibilizer portfolio offers you these benefits:

  • Improved adhesion between incompatible organic and inorganic materials
  • Higher performance of the final material
  • New opportunities for innovative compounds
  • Value-add to pre-treatment of glass fiber
  • Cost control with low loadings of 1.0% to 1.3%

Product highlights include:

  • Dow Corning® Z-6132 Silane (PDF): Supplied as 40% silane in methanol. Reacts with organic polymers and inorganic mineral surfaces such as glass. Used as either an additive to a polymer or as a pretreatment on organic surfaces.
  • Dow Corning ® 32-441 Additive (PDF): Designed for glass fiber-reinforced PP, this additive improves flow, impact and isotropic performance, and aging.

Find out how Dow Corning can help you bond incompatible materials with silicone-based material reinforcement additives. It's as easy as contacting your Dow Corning representative.

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