In BPA production impurities in raw material phenol can poison mercaptan radical contained in resin catalyst,and sulphonic acid radical also in resin is easy to lose in higher temperature medium.

• 巯基化树脂催化剂用于双酚A生产,易被原料苯酚中的杂质中毒,而且在较高的介质温度下磺酸基流失明显。