TECHNOLOGY IN DETAIL
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.
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.
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.
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.
- 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
- Nautical garment and flooring