Production of epoxy resin via epichlorohydrin.
KVT provides engineering and consultancy service for a sustainable process technology to produce epoxy resins and reactive diluents from epichlorohydrin and bisphenol A or bisphenol F within our EPIPROVIT+ concept our focus is set on utilization of renewable feedstocks to replace fossil based feedstocks as well as the recycling of used epoxy products.

download EPIPROVIT+ flow diagram

Basic Resins
In the first step epichlorohydrin, Bisphenol (A or F) and NaOH react to low molecular epoxy resin, H2O, and NaCl. Afterwards the low molecular resin is sent to a mixing vessel for post saponification where the mixture consisting of resin, salt, water, and higher molecular components is converted to a resin solution. After mixing the solution with a catalyst and steam, the separation phase and a washing step follow. The residual brine produced in the process can be treated in the SEABRINE plant.

Reactive Diluent
Starting from different alcohols and amounts of epichlorohydrin, several types of reactive diluents can be produced. Depending on desired parameters like viscosity, density, and epoxy equivalent, the process parameters can be adjusted according to client needs. The composition of the plant therefore does not have to be changed; only the recipes vary.

Modified Resins
The basic epoxy resin and the reactive diluent can be mixed to form high end modified epoxy resins. The resulting high-end resin is influenced by the chosen type of resin and diluent.

Key Advantages:

  • Plant Flexibility – allows production of different types of resins in the same plant
  • Production Stability – thanks to our optimised plant design, the produced resins always have a consistent quality
  • High efficiency – the technology ensures a rational use of the raw materials with an integrated recycling system and minimum by-product production

Typical applications

  • Painting
  • Coating
  • Nautical garment and flooring
  • Aviation
  • Electronics
  • Construction


Location:  India
Capacity:  110.000 t/y GLY, 52.000 t/y ECH, 30 m³/h BPP
Year of commissioning:  2024
Scope of supply:  License Business




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