Thermal and mechanical properties of gamma-irradiated prevulcanized natural rubber latex/low nitrosamines latex blends

2016 ◽  
Vol 171 (11-12) ◽  
pp. 1006-1015 ◽  
Author(s):  
Pairu Ibrahim ◽  
Rusli Daik ◽  
Wan Manshol Wan Zin
Keyword(s):  
Mechanical Properties ◽  
Natural Rubber ◽  
Natural Rubber Latex ◽  
Thermal And Mechanical Properties ◽  
Rubber Latex ◽  
Gamma Irradiated

Pre‐Vulcanization of Large and Small Natural Rubber Latex Particles: Film‐Forming Behavior and Mechanical Properties

2019 ◽  
Vol 304 (9) ◽  
pp. 1900283
Author(s):  
Manus Sriring ◽  
Adun Nimpaiboon ◽  
Nattanee Dechnarong ◽  
Sirirat Kumarn ◽  
Yuji Higaki ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Natural Rubber ◽  
Natural Rubber Latex ◽  
Rubber Latex ◽  
Latex Particles ◽  
Film Forming

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.

IODINE DOPING OF PREVULCANIZED NATURAL RUBBER LATEX AND ITS EFFECT ON DYNAMICAL MECHANICAL PROPERTIES

2011 ◽  
Vol 84 (4) ◽  
pp. 474-481
Author(s):  
P. Predeep ◽  
S. Najidha
Keyword(s):  
Mechanical Properties ◽  
Natural Rubber ◽  
Natural Rubber Latex ◽  
Iodine Concentration ◽  
Potential Candidate ◽  
Iodine Doping ◽  
Rubber Latex ◽  
Energy Storage Devices ◽  
Electrically Conducting ◽  
Dynamical Mechanical Properties

Abstract Conducting polymers are finding new application areas in energy storage devices, optoelectronics, actuators etc. Iodine doped semiconducting prevulcanized natural rubber latex (RVNRL) is a potential candidate for many such applications. We had already demonstrated for the first time that pre-vulcanized NR latex can be doped by iodine to become electrically conducting and doping process is not affecting the flexibility or processability of the films. Synthesis and characterization of intrinsically electric conducting preculcanized natural rubber latex are briefly discussed. Further, dynamical mechanical properties of these doped RVNRL are reported. The glass transition (Tg) temperature of the chemically doped polyisoprene material was found to be shifted to higher temperature region with the iodine concentration. However, the mechanical properties are found to decrease at higher concentration of the dopant after showing an increasing trend as in the case of Tg at lower doping levels. An effort has also been made to explain this visibly contradictory behavior.

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