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Citation: 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, 15(1): 33-36. shu

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

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

Received Date: 5 May 1997
Revised Date: 15 September 1997

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 that for all copolymers of different composition PDMS soft segments were enriched on the surface and the enrichment increased with the increase of the content of PDMS of the copolymer, but decreased with the solubility parameter of the solvents tested. Treating with H₂O gave high-er enrichment of PDMS than that of the blank.
- polysulfone,
- polydimethylsiloxane,
- polyhydroxystyrene,
- segmented ternary copolymer,
- surface enrichment,
- solvent treatment
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Study on the Surface of Segmented Ternary Copolymers [-PSF-PDMS-PHS-]_n