scholarly journals Morphology and thermal stability of nano titanium dioxide filled natural rubber prepared by latex mixing method

2018 ◽  
Vol 309 ◽  
pp. 012110
Author(s):  
N Hayeemasae ◽  
I Surya ◽  
H Ismail
Keyword(s):  
Thermal Stability ◽  
Titanium Dioxide ◽  
Natural Rubber ◽  
Mixing Method ◽  
Nano Titanium Dioxide ◽  
Thermal Stability Of

Kinetic of thermal degradation and thermal stability of natural rubber filled with titanium dioxide nanoparticles

2018 ◽  
Vol 40 (8) ◽  
pp. 3149-3155 ◽  
Author(s):  
Nabil Hayeemasae ◽  
Hanafi Ismail ◽  
Suradet Matchawet ◽  
Abdulhakim Masa
Keyword(s):  
Thermal Stability ◽  
Titanium Dioxide ◽  
Thermal Degradation ◽  
Natural Rubber ◽  
Titanium Dioxide Nanoparticles ◽  
Thermal Stability Of

Effect of Phenylene Diamine Antioxidant on Physico-Chemical Properties of Methyl Grafted Natural Rubber Polymer Electrolytes

2017 ◽  
Vol 864 ◽  
pp. 48-53
Author(s):  
Ahmad Fairoz Aziz ◽  
Khuzaimah Nazir ◽  
S.F. Ayub ◽  
N.I. Adam ◽  
Muhd Zu Azhan Yahya ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Natural Rubber ◽  
Polymer Electrolytes ◽  
Chemical Properties ◽  
Physico Chemical ◽  
Solution Cast ◽  
Deconvolution Techniques ◽  
Tga And Dsc ◽  
Thermal Stability Of ◽  
Aging Factor

0.5 wt.% of N-(1,3-dimethylbutyl)-N’-phenyl-p-phenylenediamine (6PPD) was introduced into polymer electrolytes based on 30% poly(methyl-methacrylate) grafted natural rubber (MG30) in order to reduce the aging factor of MG30. The polymer electrolyte without 6PPD was used as control. All samples were prepared by using solution cast techniques. The effect of 6PPD in the electrolytes was analysed by using TGA, DSC and FTIR. TGA and DSC results revealed the thermal stability of MG30 electrolytes with 6PPD have higher thermal stability but lower glass transition temperature value. FTIR studies confirmed the existence of LiTF in the sample and prove the occurrence of polymer-salt complexation. Deconvolution techniques analysis on FTIR spectra shows the electrolyte sample with 6PPD display more ion dissociation which reflects to higher ionic conductivity.

Thermal stability and mechanical properties of modified starch/NR composite

e-Polymers ◽  
2010 ◽  
Vol 10 (1) ◽  
Author(s):  
Zhi-Fen Wang ◽  
Si-Dong Li ◽  
Xin Fu ◽  
Hua Lin ◽  
Xiao-Dong She ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Thermal Stability ◽  
Natural Rubber ◽  
Permanent Deformation ◽  
Natural Rubber Latex ◽  
Modified Starch ◽  
Rubber Latex ◽  
Rubber Composite ◽  
Reaction Activation Energy ◽  
Thermal Stability Of

AbstractThe starch/natural rubber composite was prepared by blending the modified starch by esterification with natural rubber latex. The modified starch particles are homogenously distributed throughout the natural rubber (NR) matrix. In comparison with the host NR, the thermal stability of composite is significantly improved. The thermal degradation temperatures (T) and reaction activation energy (E) of composite are higher than those of the pure NR. The hardness, stress at 500%, tensile strength, permanent deformation and tear strength of composite increase linearly with the increment of dosage of modified starch.

SURFACE MODIFICATION OF NANO TITANIUM DIOXIDE (TiO2) BY CATIONIC SURFACTANTS AND INVESTIGATION OF ITS EFFECT ON THE PROPERTIES OF NATURAL RUBBER (NR) NANOCOMPOSITES

2019 ◽  
Vol 93 (2) ◽  
pp. 346-359
Author(s):  
Kumarjyoti Roy ◽  
Debdas Sikdar ◽  
Swapan Kumar Mandal ◽  
Subhas Chandra Debnath
Keyword(s):  
Titanium Dioxide ◽  
Surface Modification ◽  
Natural Rubber ◽  
Cationic Surfactants ◽  
Mechanical And Thermal Properties ◽  
Tetraethylammonium Bromide ◽  
Nano Tio2 ◽  
Uniform Dispersion ◽  
Surface Modified ◽  
Nano Titanium Dioxide

ABSTRACT We investigate the reinforcing effects of both unmodified and surface modified nano titanium dioxide (TiO2) on the cure, mechanical, and thermal properties of natural rubber (NR) nanocomposites. The surface of nano TiO2 is modified by cationic surfactants cetyltrimethylammonium bromide (CTAB) and tetraethylammonium bromide (TEAB). The surface modification of nano TiO2 is characterized by Fourier transform infrared (FTIR) spectra and Field emission scanning electron microscopy (FESEM). The result reveals that surface modified nano TiO2 is much more efficient in improving the resulting properties of NR nanocomposites in comparison with unmodified nano TiO2. The excellent improvement in the properties of surface modified nano TiO2/NR composites is due to the better hydrophobicity and uniform dispersion of modified nano TiO2 within the NR matrix, as confirmed from morphological analysis. CTAB is much more effective than TEAB with respect to the properties of nano TiO2 based NR composites.

The Nano-Sized TiO2 Dispersions for Mass Coloration of Polyimide Fibers

2016 ◽  
Vol 1 (1) ◽  
pp. 29-44
Author(s):  
Natalja Fjodorova ◽  
Marjana Novic ◽  
Tamara Diankova ◽  
Anna Ostanen
Keyword(s):  
Thermal Stability ◽  
Titanium Dioxide ◽  
United Nations ◽  
Amic Acid ◽  
Fiber Structure ◽  
Polyimide Fibers ◽  
Classification And Labeling ◽  
Polyimide Fiber ◽  
The Stability ◽  
Thermal Stability Of

The implementation of nano-sized TiO2 dispersions for mass coloration of polyimide fibers is considered in the paper. Titanium dioxide (TiO2) is not classified as hazardous according to United Nations (UN) Globally Harmonized System of Classification and Labeling of Chemicals (GHS). The stability of TiO2 dispersions in dimethylformamide (DMF) medium in presence of different surfactants as well as the viscosity of poly(amic) acid spinning solutions was investigated. It was illustrated that nano fraction of mineral pigment increase the stability of spinning medium. Moreover, the introduction of 4,5% TiO2 in poly(amic) acid stabilized with 0,24% of surfactant (leukanol) caused the increasing of thermal stability on 10°C in comparison with non-colored fibers. Proposed method enables to get light colours and improve the thermal stability of polyimide fiber. The application of TiO2 in the mass coloration of fibers does not cause dangerous effect on consumer because the pigment is tightly connected with polymer inside fiber structure.

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