Induced formation of polar phases in poly(vinylidene fluoride) by cetyl trimethyl ammonium bromide

被引：34

作者：

Liang, Cheng-Lu ^{[1
]}

Xie, Qi ^{[1
]}

Bao, Rui-Ying ^{[1
]}

Yang, Wei ^{[1
]}

Xie, Bang-Hu ^{[1
]}

Yang, Ming-Bo ^{[1
]}

机构：

[1] Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE | 2014年 / 49卷 / 12期

基金：

中国国家自然科学基金;

关键词：

POLYVINYLIDENE DIFLUORIDE FIBERS; VINYLIDENE FLUORIDE; CRYSTALLINE PHASES; CARBON NANOTUBES; IONIC LIQUID; FERROELECTRIC POLYMERS; DIELECTRIC-PROPERTIES; THERMAL-BEHAVIOR; GAMMA-PHASE; THIN-FILMS;

D O I：

10.1007/s10853-014-8112-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Poly(vinylidene fluoride) (PVDF) has been widely used as transducers, actuators,and sensors due to its exceptional electroactive properties among polymer materials and the electroactive properties of PVDF heavily depend on its polymorphs. The effects of cetyl trimethyl ammonium bromide (CTAB) on the crystallization behavior of PVDF during isothermal crystallization and annealing process were studied, and the results showed that the polar phases (beta, gamma) were induced by CTAB when PVDF was isothermally crystallized at 145-160 A degrees C. Increasing the isothermal crystallization temperature resulted in an increased gamma-phase formation with a concomitant decrease of alpha and beta phases. A 100 % gamma-phase formation occurred when the sample isothermally crystallized at 155 and 160 A degrees C. The crystalline phase transition of the sample annealed at 160 A degrees C for various time revealed that CTAB induced the transformation from alpha to gamma' phase and a higher concentration of CTAB resulted in shorter transformation time, as well as higher transformation degree.

引用

页码：4171 / 4179

页数：9

共 56 条

[1] Enhanced ferroelectric phase content of polyvinylidene difluoride fibers with the addition of magnetic nanoparticles [J].

Andrew, J. S. ;

Clarke, D. R. .

LANGMUIR, 2008, 24 (16) :8435-8438

[2] Effect of electrospinning on the ferroelectric phase content of polyvinylidene difluoride fibers [J].

Andrew, J. S. ;

Clarke, D. R. .

LANGMUIR, 2008, 24 (03) :670-672

[3] Changes in structural and mechanical behaviour of PVDF with processing and thermomechanical treatments. 1. Change in structure [J].

El Mohajir, BE ;

Heymans, N .

POLYMER, 2001, 42 (13) :5661-5667

[4] Phase transformation to β-poly(vinylidene fluoride) by milling [J].

Esterly, DM ;

Love, BJ .

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 2004, 42 (01) :91-97

[5]

Gregorio J. R., 1994, J POLYM SCI B, V32, P859, DOI DOI 10.1002/POLB.1994.090320509

[6] Determination of the α, β, and γ crystalline phases of poly(vinylidene fluoride) films prepared at different conditions [J].

Gregorio, R .

JOURNAL OF APPLIED POLYMER SCIENCE, 2006, 100 (04) :3272-3279

[7] Effect of crystalline phase, orientation and temperature on the dielectric properties of poly (vinylidene fluoride) (PVDF) [J].

Gregorio, R ;

Ueno, EM .

JOURNAL OF MATERIALS SCIENCE, 1999, 34 (18) :4489-4500

[8] Morphology and phase transition of high melt temperature crystallized poly(vinylidene fluoride) [J].

Gregorio, R ;

Capitao, RC .

JOURNAL OF MATERIALS SCIENCE, 2000, 35 (02) :299-306

[9] Effect of crystallization rate on the formation of the polymorphs of solution cast poly(vinylidene fluoride) [J].

Gregorio, Rinaldo, Jr. ;

Borges, Daniel Sousa .

POLYMER, 2008, 49 (18) :4009-4016

[10] CRYSTAL-STRUCTURES OF 3 CRYSTALLINE FORMS OF POLY(VINYLIDENE FLUORIDE) [J].

HASEGAWA, R ;

TAKAHASHI, Y ;

TADOKORO, H ;

CHATANI, Y .

POLYMER JOURNAL, 1972, 3 (05) :600-+

← 1 2 3 4 5 6 →