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Citation: Zheng Guodong, Gao Feng, Zhuo Xiaoguang, Zhou Enle, Xu Jiping. STUDY ON OXYGEN ENRICHMENT POLYMERIC MEMBRANES Ⅱ.SYNTHESIS AND CHARACTERIZATION OF CROSSLINKED COPOLYMER FROM OLIGOMER CONDENSATION OF α.ω-BIS-(DIMETHYLAMINO) DIMETHYLSILOXANE WITH HYDROXYSTYRENE[J]. Chinese Journal of Applied Chemistry, ;1988, 5(2): 57-61. shu

STUDY ON OXYGEN ENRICHMENT POLYMERIC MEMBRANES Ⅱ.SYNTHESIS AND CHARACTERIZATION OF CROSSLINKED COPOLYMER FROM OLIGOMER CONDENSATION OF α.ω-BIS-(DIMETHYLAMINO) DIMETHYLSILOXANE WITH HYDROXYSTYRENE

1.
Changchun Institute of Applied Chemistry, Academia Sinica

Received Date: 17 November 1986
Available Online: 11 March 1987

The solution crosslinking condensation reaction of α,ω-bis-(dimetylamino) dimethylsiloxane oligomer with hydroxystyrene oligomer was studied. The structure and properties of the crosslinked copolymers obtained were examined by IR, DSC, WAXD, polarizing microscopy, viscosity and GPS(gas permsetectivity) etc..It was found that the crosslinked copolymers which containing certain amount of organosiloxane have two mierophases and low crystallinity showed a better permselectivity for oxygen and nitrogen. Moreover, some hydroxy-groups are remained in the macromolecule backbone of the end copolymers and they may be used for further chemical modification.
- Crosslinked polymer,
- Oxygen enrichment,
- Siloxane-hydroxystyrene copolvmer
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