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Chemcial Industry and Engineering 2012, Vol. 29 Issue (5) :33-37    DOI:
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Structural Characterization of Styrene/1��Dodecene Copolymer and Its Evaluation of Drag Reducing Performance
 LIU  Kai, LI  Hui-Ping, HUANG  Wei-Li, HU  Zi-Zhao
The Key Laboratory of Ministry of Education and Xinjiang Uigur Autonomous Region in Fine Chemical ��
Engineering of Oil and Natural Gas�� Xinjiang University, Urumqi 830008, China

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Abstract The short-range structure and aggregation structure of styrene/1-dodecene copolymer were characterized by FT-IR and XRD.The viscosity-average molecular weight of copolymer was measured by Ubbelodhe viscometer.The drag reducing performance of copolymer was evaluated by the indoor loop apparatus.The conclusions can be reached by comparing with 1-octene/1-decene copolymer.It was shown that the copolymer of styrene and 1-dodecene was synthesized completely with higher conversion rate,and in line with the basic IR characteristics of the copolymer.The degree of crystallinity of styrene/1-dodecene copolymer was higher than that of the 1-octene/1-dodecene copolymer.The viscosity��average molecular weight of copolymer reached 10.6.The drag reducing performances of the two copolymers were different in the same additive concentration.The drag reducing performance of styrene/1-dodecene copolymer was poorer than that of the 1-octene/1-dodecene copolymer.At the same time,anti��wall shear of the copolymer containing a small amount of styrene also failed to be improved.Therefore,copolymerization should be conducted by the introduction of different side chain α-olefins,starting from the flexibility and non-crystallization of the polymer to improve drag reducing performance.
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LIU Kai
LI Hui-Ping
HUANG Wei-Li
HU Zi-Zhao
Keywords�� styrene/1-dodecene   1-octene/1-dodecene   binary copolymer   structural characterization   drag reducing performance     
Received 2012-04-06;
Corresponding Authors: ���Ƽ���绰��(0991)4556962��E-mail: li_huiping126@126.com��     Email: li_huiping126@126.com
About author: ������1986-�����У��½�ʯ�����ˣ��ڶ�˶ʿ�о�����
Cite this article:   
LIU Kai, LI Hui-Ping, HUANG Wei-Li, HU Zi-Zhao.Structural Characterization of Styrene/1��Dodecene Copolymer and Its Evaluation of Drag Reducing Performance[J]  Chemcial Industry and Engineering, 2012,V29(5): 33-37
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