ABSTRACT

The interest in bisphenol A is as a raw material for the manufacture of polycarbonates and epoxy resins. All commercial processes for the manufacture of bisphenol A involve the condensation of phenol and acetone. Two grades of bisphenol A are produced, one suitable for epoxy resin manufacture and a high-purity product used in the manufacture of polycarbonate resins. In the crystallizer, the pressure is released and pure bisphenol A crystals are formed. Bisphenol A is the raw material for the manufacture of epoxy and polycarbonate resins. Together these account for 95% of total world demand for bisphenol A. Epoxy resins, which consume over 50% of bisphenol A produced, are the most important outlet. Bisphenol A can be shipped in either bags, drums, boxes or in bulk. Bisphenol A should be stored under dry air or nitrogen at ambient temperature. Bisphenol A is a slight fire hazard but the dust can cause explosions.