摘要
对聚砜（PSF）、聚二甲基硅氧烷（PDMS）和聚对羟基苯乙烯（PHS）的三元多嵌段共聚物[PSF－PDMS－PHS]n的形态和表面组成进行了研究，结果表明溶液成膜后，组成不同的聚合物样品的表面都有有机硅（PDMS）的富集．在用溶剂处理后，富集于膜表面的有机硅含量与所用溶剂的溶度参数有关，一般均下降，但是用水处理后。
The surface properties of the segmented ternary copolymers [ PSF-PDMS-PHS] n have been investigated by XPS, DMA, TEM and SEM techniques, where PSF:polysulfone, PDMS: polydimethylsiloxane, PHS: poly-p-hydroxystyrene. It is shown thatfor all copolymers of different composition PDMS soft segments were enriched on the surfaceand the enrichment increased with the increase of the content of PDMS of the copolymer, butdecreased with the solubility parameter of the solvents tested. Treating with H2O gave high-er enrichment of PDMS than that of the blank.
出处
《应用化学》
CAS
CSCD
北大核心
1998年第1期33-36,共4页
Chinese Journal of Applied Chemistry
基金
国家自然科学基金
关键词
PSF
PDMS
PHS
三元
共聚物
表面富集
有机硅
polysulfone, polydimethylsiloxane, polyhydroxystyrene, segmented ternary copolymer,surface enrichment, solvent treatment
