Impact of curing temperature on microstructures and properties of isobutylene–isoprene rubber/clay nanocomposites

In this work, the influence of curing temperature on microstructures of isobutylene–isoprene rubber/clay nanocomposites (IIRCNs) prepared by melt compounding was characterized using wide-angle X-ray diffraction and TEM. The gas barrier and tensile properties of IIRCN cured under different temperature were examined. The results reveal that high pressure, curing reactions, and reactions of amine intercalants with curing agents together play important roles on determining the final microstructures of cured IIRCNs. Changing curing temperature would dramatically alter intercalated structure, dispersion homogeneity, filler–rubber interaction strength, and crosslinking density of obtained IIRCN, resulting in great difference in final properties. Finally, some suggestions for the preparation of successful RCNs were proposed. © 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2008

[1]  M. Arroyo,et al.  Rubber network in elastomer nanocomposites , 2007 .

[2]  Miguel A. López-Manchado,et al.  Morphology/behaviour relationship of nanocomposites based on natural rubber/epoxidized natural rubber blends , 2007 .

[3]  P. Sae-oui,et al.  Roles of silane coupling agents on properties of silica-filled polychloroprene , 2006 .

[4]  Liqun Zhang,et al.  Effects of Heat and Pressure on Microstructures of Isobutylene‐Isoprene Rubber (IIR)/Clay Nanocomposites , 2006 .

[5]  Y. Mai,et al.  Effects of heat and pressure on intercalation structures of isobutylene‐isoprene rubber/clay nanocomposites. I. Prepared by melt blending , 2005 .

[6]  J. Karger‐Kocsis,et al.  Controlling the Deintercalation in Hydrogenated Nitrile Rubber (HNBR)/Organo-Montmorillonite Nanocomposites by Curing with Peroxide , 2005 .

[7]  Liqun Zhang,et al.  Pressure, the Critical Factor Governing Final Microstructures of Cured Rubber/Clay Nanocomposites , 2005 .

[8]  J. Karger‐Kocsis,et al.  Effects of primary and quaternary amine intercalants on the organoclay dispersion in a sulfur-cured EPDM rubber , 2005 .

[9]  J. Karger‐Kocsis,et al.  Nanocomposite Formation in Hydrogenated Nitrile Rubber (HNBR)/Organo‐Montmorillonite as a Function of the Intercalant Type , 2004 .

[10]  Chang‐Mou Wu,et al.  Mechanical, thermal, and barrier properties of NBR/organosilicate nanocomposites , 2004 .

[11]  M. Morbidelli,et al.  Epoxy-Layered Silicate Nanocomposites and Their Gas Permeation Properties , 2004 .

[12]  J. Karger‐Kocsis,et al.  Characteristics of ethylene propylene diene monomer rubber/organoclay nanocomposites resulting from different processing conditions and formulations , 2004 .

[13]  J. Karger‐Kocsis,et al.  Thermoset rubber/layered silicate nanocomposites. Status and future trends , 2004 .

[14]  A. Bhowmick,et al.  Preparation and properties of styrene–butadiene rubber based nanocomposites: The influence of the structural and processing parameters , 2004 .

[15]  Hua Zheng,et al.  Influence of the clay modification and compatibilizer on the structure and mechanical properties of ethylene–propylene–diene rubber/montmorillonite composites , 2004 .

[16]  Hua Zheng,et al.  Influence of clay modification on the structure and mechanical properties of EPDM/montmorillonite nanocomposites , 2004 .

[17]  József Karger-Kocsis,et al.  Melt‐compounded natural rubber nanocomposites with pristine and organophilic layered silicates of natural and synthetic origin , 2004 .

[18]  M. Morbidelli,et al.  Polyurethane Adhesive Nanocomposites as Gas Permeation Barrier , 2003 .

[19]  Suprakas Sinha Ray,et al.  POLYMER/LAYERED SILICATE NANOCOMPOSITES: A REVIEW FROM PREPARATION TO PROCESSING , 2003 .

[20]  Liqun Zhang,et al.  Structure and properties of nitrile rubber (NBR)–clay nanocomposites by co‐coagulating NBR latex and clay aqueous suspension , 2003 .

[21]  Y. Mai,et al.  A new approach to polymer/montmorillonite nanocomposites , 2003 .

[22]  Jin-tae Kim,et al.  Morphology and rheological properties of nanocomposites based on nitrile rubber and organophilic layered silicates , 2003 .

[23]  Jin-tae Kim,et al.  Preparation and characteristics of nitrile rubber (NBR) nanocomposites based on organophilic layered clay , 2003 .

[24]  R. Thomann,et al.  Shear controlled morphology of rubber/organoclay nanocomposites and dynamic mechanical analysis , 2002 .

[25]  Makoto Kato,et al.  Preparation and properties of EPDM–clay hybrids , 2002 .

[26]  T. Pinnavaia,et al.  Clay Nanolayer Reinforcement of a Silicone Elastomer , 2001 .

[27]  P. Dubois,et al.  Polymer-layered silicate nanocomposites: preparation, properties and uses of a new class of materials , 2000 .

[28]  G. Nando,et al.  Physicomechanical properties of filled natural rubber vulcanizates modified with phosphorylated cashew nut shell liquid , 1998 .

[29]  D. C. Edwards.  Polymer-filler interactions in rubber reinforcement , 1990 .

[30]  R. E. Smallman,et al.  An assessment of high voltage electron microscopy (HVEM). An invited review , 1977 .