Functionalization

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SI-TUFF™ Performance Silicon Carbide is available in both amine and epoxy functionalized grades. Functionalization allows SI-TUFF™ fibers or microfibers to chemically lock into the polymer matrix. This can increase performance in compatible reactive coating systems, which are typically highly cross-linked systems.

These materials can interact in complex ways with your coating system. In incompatible coating systems, performance can decrease substantially. For this reason, it is recommended to begin evaluation with standard, non-functionalized grades of SI-TUFF™ (P-SW microfiber, P-SF fiber).  This limits the number of test variables, reduces evaluation costs, and increases chances for success.

Establishing the benefit first using non-functionalized grades of SI-TUFF™ will set up possibility for further optimization using functionalized grades. All coating systems that are compatible with functionalized grades will also see improved wear resistance using non-functionalized grades.

Typically, amine functionality provides best results in epoxy, Novolac, or other polymer systems that react with amines or use amine crosslinking agents. Epoxy functionality provides best results in urethane or other polymer systems that react with epoxies or use epoxy chemistry in the polymer backbone.

The best way to get started is by reading the Applications Guide. The objectives of this guide are to:

  • Explain what SI-TUFF™ Performance Silicon Carbide can do for you, as well as what it cannot do
  • Discuss the engineering behind why SI-TUFF™ works
  • Review the different product grades of SI-TUFF™ that are available
  • Help you avoid common pitfalls
  • Provide guidelines to enable successful design

Typically Used in These Applications:

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