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Epoxy Novolac Resins for Increased Heat and Chemical Resistance

High-functional EPIKOTE™ and EPON™ Epoxy Novolac (EN) Resins are specifically designed to:
  • Increase glass transition temperature (Tg)
  • Improve thermal resistance
  • Improve mechanical resistance
  • Improve chemical resistance

Increasing the functionality in epoxy resins by using epoxy novolac precursors instead of bisphenol A backbones allows formulators to achieve higher crosslinking densities and significant performance enhancements. A variety of epoxy resins are available with functionalities in excess of 2 up to 8. Epoxy novolac resins are broadly utilized as primary epoxy resins or as modifiers in multi-resin systems. High functional epoxy resins are preferred for high-performance:

Multifunctional Epoxy Novolac Resins

ProductTypical PropertiesDescriptionApplication
Resin TypeViscocity at 25oC, CpWPE, g./eq.CoatingsConstructionCompositesAll Others(1)
EPON Resin 1031TGETPE Flake392195-230Tetraglycidyl Ether of tetraphenol ethane with a functionality of 3.5
EPON Resin 1031-A-70TGETPE Solution0.5 – 2.2195-230EPON 1031 solution, 70% solids in Acetone
EPON Resin SU-2.5Epoxy BPA Novolac20 – 603180-200Epoxy BPA novolac with a functionality of 2.5
EPON Resin SU-8Epoxy BPA Novolac10 – 604195–230Epoxy BPA novolac with a functionality of 8
EPIKOTE Resin 154Epoxy Phenolic Novolac310 - 4003176-181Epoxy phenolic novolac with a functionality of 3.6
EPON Resin 160Epoxy BPF Novolac345 - 485168-178BPF epoxy novolac with a functionality of 2.6
EPON Resin 161Epoxy BPF Novolac180 – 280169-178BPF epoxy novolac with a functionality of 2.5
EPON Resin 162Epoxy BPF Novolac60 – 78166-178BPF epoxy novolac with a functionality of 2.2
EPON Resin 164Epoxy Cresol Novolac 35 – 505200-240Epoxy cresol novolac with a functionality of 4.1
EPON Resin 165Epoxy Cresol Novolac100 – 2004200-230Epoxy cresol novolac with a functionality of 5.5
EPIKOTE Resin 170Epoxy BPF Novolac95 - 125169-175BPF epoxy novolac with a functionality of 2.5

(1) Other applications include adhesives, electrical castings, electrical laminates and fibers

2 Measured at 120°C

3 Measured at 52°C

4 Measured at 130°C

5 Measured as 60% by weight solution in MEK

For more information, see Starting Formulations, Technical Data Sheets, or speak with a representative.

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