Effects of cylindrical and sheet types of nanoparticles on thermal properties and chain folding free energy of poly(ethylene terephthalate)

被引：2
作者：
Goodarzi, V. [1 ]
Shadakhtar, A. [2 ]
Sirousazar, M. [3 ]
Mortazavi, M. [4 ]
Ghaniyari-Benis, S. [5 ]
机构：
[1] Baqiyatallah Univ Med Sci, Appl Biotechnol Res Ctr, Tehran, Iran
[2] Baqiyatallah Univ Med Sci, Nanobiotechnol Res Ctr, Tehran, Iran
[3] Urmia Univ Technol, Fac Chem Engn, Orumiyeh, Iran
[4] Univ Tehran, Sch Chem Engn, Tehran, Iran
[5] SUT, Dept Chem & Petr Engn, Tehran, Iran
来源：
JOURNAL OF REINFORCED PLASTICS AND COMPOSITES | 2013年 / 32卷 / 11期
关键词：
Poly(ethylene terephthalate); nanoparticles; carbon nanotube; crystallization; thermal properties; nucleation activity; NONISOTHERMAL CRYSTALLIZATION KINETICS; EQUILIBRIUM MELTING TEMPERATURE; WALLED CARBON NANOTUBES; POLYMER NANOCOMPOSITES; ACTIVATION-ENERGY; BEHAVIOR; DEGRADATION; GROWTH;
D O I：
10.1177/0731684413477711
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Poly(ethylene terephthalate) (PET) nanocomposites were prepared through a solution casting method using Multi wall carbon nanotubes (MWCNT) and organically modified montmorillonite (OMMT) as nanoparticles and their morphological and thermal properties investigated. The X-ray diffraction and transmission electron microscopy measurements showed that decreasing the ratio of MWCNT to OMMT for the same amount of OMMT creates better conditions for intercalation of PET macromolecules and promotes the transformation of OMMT nanostructures from the intercalated to exfoliated state. It was concluded that the Ozawa's model was not suitable to interpret the crystallization behavior of the nanocomposites. Based on Liu's model, it was found that the sample containing the lower ratio of MWCNT to OMMT had the highest crystallization rate. Investigation of activation energy and nucleation activity using Vyazovkin's and Dobreva's models revealed that the sample having the smallest ratio of MWCNT to OMMT had the lowest energy absorption and highest nucleation activity.
引用
收藏
页码：846 / 859
页数：14
相关论文
共 54 条
  • [1] ALIGNED CARBON NANOTUBE ARRAYS FORMED BY CUTTING A POLYMER RESIN-NANOTUBE COMPOSITE
    AJAYAN, PM
    STEPHAN, O
    COLLIEX, C
    TRAUTH, D
    [J]. SCIENCE, 1994, 265 (5176) : 1212 - 1214
  • [2] Carbon nanotubes induced crystallization of poly(ethylene terephthalate)
    Anand, K. Anoop
    Agarwal, U. S.
    Joseph, Rani
    [J]. POLYMER, 2006, 47 (11) : 3976 - 3980
  • [3] Antoniadis G, 2010, THERMOCHIM ACTA, V24, P45
  • [4] Avrami M., 1940, J CHEM PHYS, V8, P212, DOI DOI 10.1063/1.1750631
  • [5] Effect of acid treated multi-walled carbon nanotubes on the mechanical, permeability, thermal properties and thermo-oxidative stability of isotactic polypropylene
    Bikiaris, D.
    Vassiliou, A.
    Chrissafis, K.
    Paraskevopoulos, K. M.
    Jannakoudakis, A.
    Docoslis, A.
    [J]. POLYMER DEGRADATION AND STABILITY, 2008, 93 (05) : 952 - 967
  • [6] Kinetics of thermal degradation of explosive binders Viton A, Estane, and Kel-F
    Burnham, AK
    Weese, RK
    [J]. THERMOCHIMICA ACTA, 2005, 426 (1-2) : 85 - 92
  • [7] Cahn J. W., 1967, CRYSTAL GROWTH
  • [8] Thermally stable exfoliated poly(ethylene terephthalate) (PET) nanocomposites as prepared by selective removal of organic modifiers of layered silicate
    Chung, Jae Woo
    Son, Se-Burn
    Chun, Sang-Wook
    Kang, Tae Jin
    Kwak, Seung-Yeop
    [J]. POLYMER DEGRADATION AND STABILITY, 2008, 93 (01) : 252 - 259
  • [9] Single walled carbon nanotube (SWNT)-polyimide nanocomposites as electrostrictive materials
    Deshmukh, Sujay
    Ounaies, Zoubeida
    [J]. SENSORS AND ACTUATORS A-PHYSICAL, 2009, 155 (02) : 246 - 252
  • [10] ACTIVITY OF SUBSTRATES IN THE CATALYZED NUCLEATION OF GLASS-FORMING MELTS .1. THEORY
    DOBREVA, A
    GUTZOW, I
    [J]. JOURNAL OF NON-CRYSTALLINE SOLIDS, 1993, 162 (1-2) : 1 - 12
123456