Bisphenol composition containing aromatic alcohol sulfonate and method for producing same, polycarbonate resin and method for producing same, and bisphenol production method
申请人:MITSUBISHI CHEMICAL CORPORATION
公开号:US11427523B2
公开(公告)日:2022-08-30
A bisphenol composition including a specific amount of aromatic alcohol sulfonate, and a simple method of producing it are provided. Also provided is a method of producing a polycarbonate resin in which, by using the bisphenol composition including a specific amount of aromatic alcohol sulfonate, melt polymerization reaction can be efficiently allowed to proceed to produce a polycarbonate resin having an excellent color tone. A bisphenol composition including an aromatic alcohol sulfonate at not less than 0.1 ppb by mass with respect to a bisphenol. A method of producing a bisphenol composition, including reacting a ketone or an aldehyde with an aromatic alcohol in the presence of sulfuric acid to produce a bisphenol composition. A method of producing a polycarbonate resin, including producing a polycarbonate resin using the bisphenol composition. A polycarbonate resin including a specific amount of aromatic alcohol sulfonate.
提供了一种包括特定量芳香醇磺酸盐的双酚组合物及其简单的生产方法。本发明还提供了一种生产聚碳酸酯树脂的方法,在该方法中,通过使用包括特定量芳香族醇磺酸盐的双酚组合物,可有效地进行熔融聚合反应,从而生产出色调极佳的聚碳酸酯树脂。一种双酚组合物,包括相对于双酚质量不小于 0.1 ppb 的芳香醇磺酸盐。一种生产双酚组合物的方法,包括在硫酸存在下使酮或醛与芳香醇反应生成双酚组合物。一种生产聚碳酸酯树脂的方法,包括使用双酚组合物生产聚碳酸酯树脂。一种聚碳酸酯树脂,包括特定量的芳香醇磺酸盐。