Studies on NBR-ZDMA-OMMT Nanocomposites Prepared by Reactive Mixing Intercalation Method
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L. Liu
, Y. Luo , D. Jia und B. Guo
Abstract
Two kinds of nanocomposites of nitrile-butadiene rubber (NBR), zinc methacrylate (ZDMA) and organomontmorillonite (OMMT), NBR-ZDMA-HMMTand NBR-ZDMA-USMMT, were prepared by the reactive mixing intercalation method with ZDMA and two kinds of organomontmorillonite, hexadecyltrimethylammonium bromide modified montmorillonite (HMMT) and unsaturated chemical modified montmorillonite (USMMT). The structure and properties of the nanocomposites were investigated by X-ray diffraction, transmission electron microscopy, differential scanning calorimetry and determination of crosslinking density and mechanical properties. The results showed that the interlayer galleries of HMMT and USMMT were enlarged as ZDMA polymerized in situ in rubber matrix and between the interlayer of the silicates. The layered silicates were dispersed disorderly in rubber matrix at a nanometer level. The crosslinking density of the NBR vulcanizates was increased by the addition of ZDMA and HMMT or USMMT. The glass transition temperatures of the NBR-ZDMA-OMMT nanocomposites were higher than that of the neat NBR. The mechanical properties of the NBR-ZDMA-HMMTand NBR-ZDMA-USMMT nanocomposites are remarkably superior to those of the neat NBR vulcanizate.
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© 2004, Carl Hanser Verlag, Munich
Artikel in diesem Heft
- Contents
- Contents
- Editorial
- Polymer Processing Society at 20
- Mixing and Screw Extrusion
- Index for Simultaneous Dispersive and Distributive Mixing Characterization in Processing Equipment
- Determination of the Residence Time Distribution in Twin Screw Extruders via Free Radical Modification of PE
- On-line Visualization of PS/PP Melting Mechanisms in a Co-rotating Twin Screw Extruder
- Die Extrusion
- Influence of Filler Particle Geometry on Die Swell
- Reactive Processing
- Side Chain Extension of Maleated Polypropylene with Diamine
- Reactive Batch Mixing for Improved Silica-Silane Coupling
- Studies on NBR-ZDMA-OMMT Nanocomposites Prepared by Reactive Mixing Intercalation Method
- Fiber and Film
- High-speed Melt Spinning of Polyethylene terephthalate with Periodic Oscillation of Take-up Velocity
- A Constitutive Analysis of Extensional Flow of EVA Nanocomposites
- Laser Sintering
- Laser Sintering of High Temperature Resistant Polymers with Carbon Black Additives
- Molding
- Flow Visualization of Filling with Aid of Colored Billets During Impact Micro-Injection Molding
- Modelling of Cyclic 3-Dimensional Heat Transfer in Injection Moulding
- PPS News
- PPS News
Artikel in diesem Heft
- Contents
- Contents
- Editorial
- Polymer Processing Society at 20
- Mixing and Screw Extrusion
- Index for Simultaneous Dispersive and Distributive Mixing Characterization in Processing Equipment
- Determination of the Residence Time Distribution in Twin Screw Extruders via Free Radical Modification of PE
- On-line Visualization of PS/PP Melting Mechanisms in a Co-rotating Twin Screw Extruder
- Die Extrusion
- Influence of Filler Particle Geometry on Die Swell
- Reactive Processing
- Side Chain Extension of Maleated Polypropylene with Diamine
- Reactive Batch Mixing for Improved Silica-Silane Coupling
- Studies on NBR-ZDMA-OMMT Nanocomposites Prepared by Reactive Mixing Intercalation Method
- Fiber and Film
- High-speed Melt Spinning of Polyethylene terephthalate with Periodic Oscillation of Take-up Velocity
- A Constitutive Analysis of Extensional Flow of EVA Nanocomposites
- Laser Sintering
- Laser Sintering of High Temperature Resistant Polymers with Carbon Black Additives
- Molding
- Flow Visualization of Filling with Aid of Colored Billets During Impact Micro-Injection Molding
- Modelling of Cyclic 3-Dimensional Heat Transfer in Injection Moulding
- PPS News
- PPS News