PARTIAL CARBAMOYLATION OF CELLULOSE MICROSPHERES: A NEW METHOD TO PREPARE ADSORBENTS FOR LIQUID CHROMATOGRAPHY

Wei Chen; Qin Bin; Zheng-wu Bai; Xing-ping Zhou; Xiao-lin Xie

doi:10.1007/s10118-013-1312-x

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PARTIAL CARBAMOYLATION OF CELLULOSE MICROSPHERES: A NEW METHOD TO PREPARE ADSORBENTS FOR LIQUID CHROMATOGRAPHY

PAPER | Updated：2023-01-03

- PARTIAL CARBAMOYLATION OF CELLULOSE MICROSPHERES: A NEW METHOD TO PREPARE ADSORBENTS FOR LIQUID CHROMATOGRAPHY
- Chinese Journal of Polymer Science Vol. 31, Issue 12, Pages: 1725-1732(2013)
- Affiliations：
  
  a.Key Lab for Large-Format Battery Materials and Systems, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
  b.Key Lab of Green Chemical Process, Ministry of Education, Hubei Key Laboratory of Novel Chemical Reactor and Green Chemical Technology, Wuhan Institute of Technology, Wuhan 430073, China
- Author bio：
  
  **Zheng-wu Bai (柏正武), E-mail: zhengwu_bai@yahoo.com
  Xing-ping Zhou (周兴平), E-mail: xpzhou@mail.hust.edu.cn
- Funds：
- DOI：10.1007/s10118-013-1312-x
  CLC：
- Received：27 February 2013，
  
  Revised：2013-04-20，
  
  Accepted：27 April 2013，
  
  Published：2013-12
- Accepted：
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Wei Chen, Qin Bin, Zheng-wu Bai, et al. PARTIAL CARBAMOYLATION OF CELLULOSE MICROSPHERES: A NEW METHOD TO PREPARE ADSORBENTS FOR LIQUID CHROMATOGRAPHY[J]. Chinese Journal of Polymer Science, 2013, 31(12): 1725-1732.
DOI：

Wei Chen, Qin Bin, Zheng-wu Bai, et al. PARTIAL CARBAMOYLATION OF CELLULOSE MICROSPHERES: A NEW METHOD TO PREPARE ADSORBENTS FOR LIQUID CHROMATOGRAPHY[J]. Chinese Journal of Polymer Science, 2013, 31(12): 1725-1732. DOI： 10.1007/s10118-013-1312-x.

摘要

Abstract

Micron-sized cellulose microspheres were prepared through sol-gel method using NaOH/urea solution to dissolve cellulose

then cross-linked by 1

6-hexanylene diisocyanate (HDI)

toluene 2

4-diisocyanate (TDI) and 1

4-phenylene diisocyanate (PDI)

respectively. The reaction conditions for partial modification of the microspheres were studied. The degree of substitution (DS) in cellulose was controlled by adjusting the reaction conditions. HDI-crosslinked microspheres were partially modified with phenyl isocyanate to obtain chiral stationary phases (CSPs). The CSPs of a lower degree of crosslinking (DC) showed better chiral recognition ability than those of a higher DC. Meanwhile the CSPs prepared by premodification exhibited better chiral recognition ability than those prepared by pre-crosslinking.

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