Polymerization of Vinylidene Difluoride in Supercritical Carbon Dioxide

被引：1
|
作者：
Beginn, Uwe [1 ]
Najjar, Reza [2 ,3 ]
Ellmann, Juergen [2 ,4 ]
Moeller, Martin [2 ]
机构：
[1] Univ Osnabruck, Inst Chem, D-49076 Osnabruck, Germany
[2] Rhein Westfal TH Aachen, Inst Tech & Macromol Chem, D-52056 Aachen, Germany
[3] Univ Tabriz, Polymer Res Lab, Tabriz 5166661471, Iran
[4] Huntsman Adv Mat, D-59192 Bergkamen, Germany
来源：
CHEMIE INGENIEUR TECHNIK | 2011年 / 83卷 / 09期
关键词：
Polymerization; Polyvinylidene difluoride; Reaction kinetics; Supercritical carbon dioxide; CONTINUOUS PRECIPITATION POLYMERIZATION; MOLECULAR-WEIGHT; DISPERSION POLYMERIZATION; POLY(VINYLIDENE FLUORIDE); PHASE; POLYMERS; SOLUBILITY; MEMBRANES; BEHAVIOR; CO2;
D O I：
10.1002/cite.201100045
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The preparation of poly(vinylidene fluoride) in supercritical carbon dioxide is investigated with mixtures of carbon dioxide and vinylidene difluoride alone, as well as in the presence of macromolecular stabilizers my means of turbidimetry, and gravimetric measurements. The morphology of the obtained poly(vinylidene fluoride) powder, and the molecular weight distribution of the polymer was used to distinguish between homogeneous polymerization, precipitation polymerization, and dispersion polymerization due to the added macromolecular stabilizers. The effect of stabilizers and reaction conditions on the predominating locus of polymerization is discussed.
引用
收藏
页码：1419 / 1442
页数：24
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