Abstract: Bisphenol A-type and bisphenol S-type poly(ether-sulfone)s oligomer and a,w-bis(methacrylate)poly (ether-sulfone)s macromer was analysized by high-performance liquid chromatography (HPLC) and gel permeation chroma-tography(GPC). Some excellent separations of oligomeric mixture and macro-meric mixture were obtained. All peaks of HPLCwere identified. Number-average molecular weight(M_n), weight-average molecular weight (M _w) obtained from HPLC were compared with those obtained from VPO and GPC. The polymerization processes of poly(ether-sulfone)s in DMSO and sulfolane was compared by HPLC and GPC.

Key words: Poly(ether-sulfone)s oligomer, Bivinyl macromer, Analyzed by GPC and HPLC