화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.43, 86-92, November, 2016
DOI10.1016/j.jiec.2016.07.051  Export Citation
Novel wax-crystal modifier based on b-cyclodextrin: Synthesis, characterization and behavior in a highly waxy oil
Bing Wei†, Laiming Lu, Hao Li, and Yan Xue1
  • State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu,Sichuan, 610500, China
  • 1School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan, 610500, China
E-mail:
A “star-like” architectural wax-crystal modifier based on b-cyclodextrin (P-CD) was successfully developed through a catalytic esterification. This paper mainly investigated the behavior of this compound in a waxy oil. The results indicated that P-CD can significantly reduce the oil yield stress and decrease the wax appearance temperature (WAT). The wax inhibition ratio of P-CD reached up to 50.9%. Cross-Polarized Microscopy (CPM) observations demonstrated that P-CD was capable of hindering wax growth. The density function theory (DFT) study verified the findings from molecular scale, i.e., paraffins were prone to incorporate with P-CD due to the formation of an extra hydrogen bonding.
Keywords:Highly waxy oil;β-Cyclodextrin;Wax-crystal modifier;Coldfinger test;Wax inhibition;DFT
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