NANOPOROUS MATERIALS BASED ON SPIROKETAL AND SPIROTHIOKETAL POLYMERS FOR SEPARATING METHANOL-TOLUENE MIXTURE

Hamada Hamada Abdel-Razik; Zeinhom Mohamed El-Bahy

doi:10.1007/s10118-011-1056-4

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NANOPOROUS MATERIALS BASED ON SPIROKETAL AND SPIROTHIOKETAL POLYMERS FOR SEPARATING METHANOL-TOLUENE MIXTURE

PAPER | Updated：2021-06-21

- NANOPOROUS MATERIALS BASED ON SPIROKETAL AND SPIROTHIOKETAL POLYMERS FOR SEPARATING METHANOL-TOLUENE MIXTURE
- NANOPOROUS MATERIALS BASED ON SPIROKETAL AND SPIROTHIOKETAL POLYMERS FOR SEPARATING METHANOL-TOLUENE MIXTURE
- Chinese Journal of Polymer Science 2011年29卷第4期页码：450-455
- Affiliations：
  
  1.Chemistry Department, Faculty of Science and Education (Alkhurma Branch),Taif University, Saudi Arabia
- Author bio：
  
  *Hamada Hamada Abdel-Razik, E-mail: hamada600@yahoo.co.uk
- Funds：
- DOI：10.1007/s10118-011-1056-4
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Hamada Hamada Abdel-Razik, Zeinhom Mohamed El-Bahy. NANOPOROUS MATERIALS BASED ON SPIROKETAL AND SPIROTHIOKETAL POLYMERS FOR SEPARATING METHANOL-TOLUENE MIXTURE[J]. Chinese Journal of Polymer Science, 2011,29(4):450-455.

Hamada Hamada Abdel-Razik, Zeinhom Mohamed El-Bahy. NANOPOROUS MATERIALS BASED ON SPIROKETAL AND SPIROTHIOKETAL POLYMERS FOR SEPARATING METHANOL-TOLUENE MIXTURE[J]. Chinese Journal of Polymer Science, 2011,29(4):450-455.
Hamada Hamada Abdel-Razik, Zeinhom Mohamed El-Bahy. NANOPOROUS MATERIALS BASED ON SPIROKETAL AND SPIROTHIOKETAL POLYMERS FOR SEPARATING METHANOL-TOLUENE MIXTURE[J]. Chinese Journal of Polymer Science, 2011,29(4):450-455. DOI： 10.1007/s10118-011-1056-4.

Hamada Hamada Abdel-Razik, Zeinhom Mohamed El-Bahy. NANOPOROUS MATERIALS BASED ON SPIROKETAL AND SPIROTHIOKETAL POLYMERS FOR SEPARATING METHANOL-TOLUENE MIXTURE[J]. Chinese Journal of Polymer Science, 2011,29(4):450-455. DOI： 10.1007/s10118-011-1056-4.

摘要

Abstract

Organic microporous materials based on spiroketal and spirothioketal polymers were synthesized through 1,3- dioxol-forming polymerization reaction between pentaerythritol or pentaerythritol tetrathiol and different types of cyclohexa- 1,4-dione derivatives. The structure of the prepared polymers was confirmed by NMR spectroscopy and molecular mass measurements. Nitrogen adsorption/desorption isotherms of the prepared polymers show a large amount of nitrogen adsorbed at low relative pressure indicating microporosity. These polymers have Brunauer Emmitt and Teller (BET) surface areas in the range from 492 (m,2, g,-1,) to 685 (m,2, g,-1,). The prepared polymers were found to be useful for pervaporation separation of methanol-toluene mixture with a separation factor up to 12.5 and fluxes, varying between 6.7 × 10,-3, kg/(m,2, h) and 13.4 × 10,-3, kg/(m,2, h).

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Keywords

Spiroketal polymersNanoporous materialsSeparation membranes

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