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
- Chinese Journal of Polymer Science Vol. 29, Issue 4, Pages: 450-455(2011)
- Affiliations：
  
  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
  CLC：
- Received：24 May 2010，
  
  Revised：2010-07-08，
  
  Accepted：30 July 2010，
  
  Published：2011
- Accepted：
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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.
DOI：

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

-1

) to 685 (m

-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

h) and 13.4 × 10

-3

kg/(m

h).

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