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For Tougher Adhesives and Coatings, Try New DuPont™ Vamac® MR

Published on 2006-04-11. Author : SpecialChem

A new grade of DuPont™ Vamac® ethylene acrylic elastomer – Vamac® MR -- delivers multiple benefits as an impact modifier for adhesives, coatings and other thermoset resin systems. Vamac® MR can improve impact resistance, flexibility at low temperatures and high-temperature resistance in applications such as cyanoacrylate adhesives, phenolic resin modification and flexible epoxy circuit board coatings.

The new modifier is thermally stable up to 280ºC. It is an amorphous polymer with a sub-zero glass transition temperature, resulting in good low-temperature flexibility. Unlike other Vamac® grades, Vamac® MR has no added chemicals, which can impact adhesive performance. Vamac® MR also has high polarity, making for excellent compatibility with polar resins. It is readily soluble in toluene, MEK, acetone and other solvents commonly used in adhesive and coating systems.

Source: DuPont


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