Impact of ionic liquid's self-assembly on the crystallization behavior of poly (vinylidene fluoride)

被引：16

作者：

Bahader, Ali ^{[1
,3
]}

Gui Haoguan ^{[1
]}

Nawaz, Mohsan ^{[3
]}

Bangesh, Masroor ^{[3
]}

Bangesh, Fasiha ^{[3
]}

Ibrar, M. ^{[4
]}

Ding Yunsheng ^{[1
,2
]}

机构：

[1] Hefei Univ Technol, Sch Chem Engn, Inst Polymer Mat & Chem Engn, Hefei, Anhui, Peoples R China

[2] Hefei Univ Technol, Prov Key Lab Adv Funct Mat & Devices, Hefei 230009, Anhui, Peoples R China

[3] Hazara Univ, Dept Chem, Mansehra 21300, Pakistan

[4] Islamia Coll Univ, Dept Phys, Peshawar 25000, Pakistan

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2019年 / 276卷

基金：

中国国家自然科学基金;

关键词：

PVDF; Crystal polymorphism; Ionic liquid; Self assembly; POLY(VINYLIDENE FLUORIDE); CARBON NANOTUBES; PVDF; PHASE; NANOCOMPOSITES; TEMPERATURE; PLASTICIZERS; COMPOSITES; MORPHOLOGY; BLENDS;

D O I：

10.1016/j.molliq.2018.11.145

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Ionic liquids (IL) are known to act as plasticizer. This work is first report to best of our knowledge, of an amphiphilic ionic liquids (IL), 1-hexadecyl-3-methylimidazolium bromide [C(16)mim][Br] acting not only as a plasticizer but also as a nucleating agent during crystallization of poly (vinylidene fluoride). With FTIR-ATR, XRD, DSC, and SEM, It is observed that plasticizing and nucleating role of mentioned IL is due to its self-assembling property in fluoropolymer matrix. At 1% loading of [C(16)mim][Br] in PVDF matrix, it speeds up the crystallization of PVDF accompanied by formation of finger like structure, while at (10%) loading, the formation of micellar structure promote plasticization and PVDF crystallizes at low temperature. Fortunately, in both cases polarized (beta/gamma) crystal formation is favored. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：115 / 119

页数：5

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