Nanocomposites based on polyethylene and Mg-Al layered double hydroxide. I. Synthesis and characterization

被引：155

作者：

Costa, FR ^{[1
]}

Abdel-Goad, M ^{[1
]}

Wagenknecht, U ^{[1
]}

Heinrich, G ^{[1
]}

机构：

[1] Leibniz Inst Polymer Res Dresden, D-01069 Dresden, Germany

来源：

POLYMER | 2005年 / 46卷 / 12期

关键词：

layered double hydroxide; low density polyethylene; nanocomposites;

D O I：

10.1016/j.polymer.2005.02.027

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Low density polyethylene (LDPE)/Mg-Al layered double hydroxide (LDH) nanocomposites have been synthesized with different compositions by melt-mixing technique using maleic anhydride grafted polyethylene as compatibilizer. LDH has been modified by sodium dodecylbenzene sulfonate using reconstruction method and characterized by X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopy. The nanocomposites are characterized by different techniques such as, transmission electron microscopy (TEM), XRD and rheology. The TEM analysis shows a complex nature of particle dispersion in the polymer matrix with wide distribution of particles sizes and shapes. The rheological analysis showed significant changes in linear viscoelastic responses of the composites, even at very low concentration (2 phr) of LDH materials, in comparison to the pure polymer in low frequency regime in dynamic frequency sweep experiments. These changes are related to the LDHs-polymer chains interactions resulting in network-like structure. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：4447 / 4453

页数：7

共 25 条

[1] The intercalation of carboxylic acids into layered double hydroxides: A critical evaluation and review of the different methods [J].

Carlino, S .

SOLID STATE IONICS, 1997, 98 (1-2) :73-84

[2] Preparation of nanocomposites by exfoliation of ZnAl layered double hydroxides in nonpolar LLDPE solution [J].

Chen, W ;

Feng, L ;

Qu, BJ .

CHEMISTRY OF MATERIALS, 2004, 16 (03) :368-370

[3] Structural characteristics and thermal properties of PE-g-MA/MgAl-LDH exfoliation nanocomposites synthesized by solution intercalation [J].

Chen, W ;

Qu, BJ .

CHEMISTRY OF MATERIALS, 2003, 15 (16) :3208-3213

[4] INTERCALATION OF ORGANIC AND INORGANIC ANIONS INTO LAYERED DOUBLE HYDROXIDES [J].

CHIBWE, K ;

JONES, W .

JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1989, (14) :926-927

[5]

Costantino U, 1998, EUR J INORG CHEM, P1447

[6] Thermal and mechanical properties of a polypropylene nanocomposite [J].

Ellis, TS ;

D'Angelo, JS .

JOURNAL OF APPLIED POLYMER SCIENCE, 2003, 90 (06) :1639-1647

[7]

Gilman J. W., 1999, 44 INT SAMPE S EXH, P1408

[8]

KHAN AI, 2002, J MATER CHEM, V3191, P3198

[9] The role of disorder in filler reinforcement of elastomers on various length scales [J].

Klüppel, M .

FILLER-REINFORCED ELASTOMERS SCANNING FORCE MICROSCOPY, 2003, 164 :1-86

[10] Polymer interleaved layered double hydroxide: A new emerging class of nanocomposites [J].

Leroux, F ;

Besse, JP .

CHEMISTRY OF MATERIALS, 2001, 13 (10) :3507-3515

← 1 2 3 →