Patent ID: 8981160
Filing Date: 2015-03-17
Classification: C08G

Abstract:
1. A modified liquid epoxy resin, which is obtained by mixing a bisphenol and a biphenyl-type phenol aralkyl resin in a mixing ratio and reacting the resulting mixture with an epihalohydrin, wherein the mixing ratio of the bisphenol (A) and the biphenyl-type phenol aralkyl resin (B) in a mass ratio expressed as A/B as converted to epoxy resin is between 4/6 and 8/2, wherein the bisphenol (A) is bisphenol F having a bifunctional form purity of not less than 95% by area as detected by a gel permeation chromatography at UV 254 nm, wherein the bisphenol F includes a compound represented by the following formula (1): wherein n represents a repeating number and is an integer of not less than 1, and wherein the content of the compound of formula (1) is not more than 2% by area.