The method determinating MW and MWD of phenylmethyl silicone coil by mcans of combina-tion of HPGPC and VPO hdve been studied.

• 采用HPGPC与蒸汽压渗透（VPO）结合的方法研究了甲基苯基硅油等分子量及其分布测定方法。