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Citation: Zhang Keda, Lu Nan'an, Xu Jiping. SYNTHESIS AND PROPERTY OF POLY (TRIMETHYLVINYLOXYSILANE)[J]. Chinese Journal of Applied Chemistry, ;1987, 4(2): 81-83. shu

SYNTHESIS AND PROPERTY OF POLY (TRIMETHYLVINYLOXYSILANE)

1.
Changchun Institute of Applied Chemistry Academia Sinica

Received Date: 4 April 1986
Available Online: 21 October 1986

Poly(trimethylvinyloxysilane) (Ⅰ) was synthesed by polymeric reaction of polyvinylalcohol with chlorotrimethlylsilane in DMF. The active thin composite membrane for oxygen enrichment was cast from the solution of (Ⅰ) onto a porous polypropylene support (Duragard 2400). crooss-sectionnal SEMs of the composite membrans showed that the thickness of the active thin layer was aboat 1μm. (Ⅰ) has excellent performance:permeability P_o2=1.18×10^-4)cm³cm/cm²·sec·cmHg, separation factor of oxygen from nitrogen α_N2^θ2=2.93. The performance of oxygen enrichment changes slightly when the composite membranes was aged for three months at room temperature., Poly(trimethylvinyloxysilane) (Ⅰ) was synthesed by polymeric reaction of polyvinylalcohol with chlorotrimethlylsilane in DMF. The active thin composite membrane for oxygen enrichment was cast from the solution of (Ⅰ) onto a porous polypropylene support (Duragard 2400). crooss-sectionnal SEMs of the composite membrans showed that the thickness of the active thin layer was aboat 1μm. (Ⅰ) has excellent performance:permeability P_o2=1.18×10^-4)cm³cm/cm²·sec·cmHg, separation factor of oxygen from nitrogen α_N2^θ2=2.93. The performance of oxygen enrichment changes slightly when the composite membranes was aged for three months at room temperature.
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