Study on the Surface of Segmented Ternary Copolymers [PSF-PDMS-PHS]n

Chinese Journal of Applied Chemistry ›› 1998, Vol. 0 ›› Issue (1): 33-36.

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Study on the Surface of Segmented Ternary Copolymers [PSF-PDMS-PHS]_n

Shi Linqi, Xu Guanfan, Zheng Guodong, Feng Zhiliu

Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Received:1997-05-05 Revised:1997-09-15 Published:1998-02-10 Online:1998-02-10

Abstract

Abstract: 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.

Key words: polysulfone, polydimethylsiloxane, polyhydroxystyrene, segmented ternary copolymer, surface enrichment, solvent treatment

Shi Linqi, Xu Guanfan, Zheng Guodong, Feng Zhiliu. Study on the Surface of Segmented Ternary Copolymers [PSF-PDMS-PHS]_n[J]. Chinese Journal of Applied Chemistry, 1998, 0(1): 33-36.

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Study on the Surface of Segmented Ternary Copolymers [PSF-PDMS-PHS]_n

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