The effect of organic modifier of the clay on morphology and crystallization properties of PET nanocomposites

被引:151
作者
Calcagno, C. I. W.
Mariani, C. M.
Teixeira, S. R.
Mauler, R. S.
机构
[1] IQ UFRGS, BR-91501970 Porto Alegre, RS, Brazil
[2] IF UFRGS, BR-91501970 Porto Alegre, RS, Brazil
[3] PGCIMAT UFRGS, BR-91501970 Porto Alegre, RS, Brazil
[4] CEFET RS, Sapucaia Do Sul, Brazil
关键词
nanocomposite; PET; crystallization;
D O I
10.1016/j.polymer.2006.12.044
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
PET nanocomposites were prepared using montmorillonite with different organic modifiers (Cloisite (R) 15A, 30B and 10A). TEM, WAXD and DSC were used for the characterization. Nanocomposites of intercalated and exfoliated morphologies were obtained, and an average maximum distance between the platelets was observed in the intercalated morphology. The clay nucleated the PET crystallization process, and the nucleating effect was higher when Cloisite 10A was used. This study allowed the evaluation of the characteristics of the organic modifiers' influence on the intercalation and exfoliation processes in PET. Tactoids were obtained when only apolar modifiers were present. It was observed that PET nanocomposites were intercalated and exfoliated when polar modifiers were present. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:966 / 974
页数:9
相关论文
共 42 条
[11]   Nylon 6 nanocomposites: the effect of matrix molecular weight [J].
Fornes, TD ;
Yoon, PJ ;
Keskkula, H ;
Paul, DR .
POLYMER, 2001, 42 (25) :9929-9940
[12]   Clay/polymer composites: the story [J].
Gao, Fengge .
MATERIALS TODAY, 2004, 7 (11) :50-55
[13]   Influence of clay exfoliation on the physical properties of montmorillonite/polyethylene composites [J].
Gopakumar, TG ;
Lee, JA ;
Kontopoulou, M ;
Parent, JS .
POLYMER, 2002, 43 (20) :5483-5491
[14]   High-modules poly(ethylene terephthalate)/expandable fluorine mica nanocomposites with a novel reactive compatibilizer [J].
Imai, Y ;
Nishimura, S ;
Abe, E ;
Tateyama, H ;
Abiko, A ;
Yamaguchi, A ;
Aoyama, T ;
Taguchi, H .
CHEMISTRY OF MATERIALS, 2002, 14 (02) :477-479
[15]   Relationship between the solubility parameter of polymers and the clay dispersion in polymer/clay nanocomposites and the role of the surfactant [J].
Jang, BN ;
Wang, DY ;
Wilkie, CA .
MACROMOLECULES, 2005, 38 (15) :6533-6543
[16]   Investigation of properties, nanostructure, and distribution in controlled polyester polymerization with layered silicate [J].
Ke, YC ;
Yang, ZB ;
Zhu, CF .
JOURNAL OF APPLIED POLYMER SCIENCE, 2002, 85 (13) :2677-2691
[17]   Effects of epoxy treatment of organoclay on structure, thermo-mechanical and transport properties of poly(ethylene terephthalate-co-ethylene naphthalate)/organoclay nanocomposites [J].
Lai, MF ;
Kim, JK .
POLYMER, 2005, 46 (13) :4722-4734
[18]   Microstructure, tensile properties, and biodegradability of aliphatic polyester/clay nanocomposites [J].
Lee, SR ;
Park, HM ;
Lim, H ;
Kang, TY ;
Li, XC ;
Cho, WJ ;
Ha, CS .
POLYMER, 2002, 43 (08) :2495-2500
[19]   Surface modification of clay and its effect on the intercalation behavior of the polymer/clay nanocomposites [J].
Lee, SS ;
Kim, J .
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 2004, 42 (12) :2367-2372
[20]   Effect of clay modifier and matrix molar mass on the structure and properties of poly(ethylene oxide)/Cloisite nanocomposites via melt-compounding [J].
Loyens, W ;
Jannasch, P ;
Maurer, FHJ .
POLYMER, 2005, 46 (03) :903-914