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Ab Rahim R, Hassan A, Yusof NH. A relationship between cross-link concentration and physical properties in natural rubber latex films at different calcium carbonate loadings. J RUBBER RES 2022. [DOI: 10.1007/s42464-022-00169-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Effect of filler on the total protein content and mechanical properties of natural rubber latex films at different filler loadings. J RUBBER RES 2020. [DOI: 10.1007/s42464-020-00051-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Salkhord S, Sadeghi Ghari H. Synergistic reinforcement of NBR by hybrid filler system including organoclay and nano-CaCO3. J Appl Polym Sci 2015. [DOI: 10.1002/app.42744] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Sina Salkhord
- Department of Polymer Engineering; Islamic Azad University; Mahshahr Branch Mahshahr Iran
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Ghari HS, Arani AJ, Shakouri Z. MIXING SEQUENCE IN NATURAL RUBBER CONTAINING ORGANOCLAY AND NANO–CALCIUM CARBONATE TERNARY HYBRID NANOCOMPOSITES. RUBBER CHEMISTRY AND TECHNOLOGY 2013. [DOI: 10.5254/rct.13.87967] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
ABSTRACT
Rubber nanocomposites containing one type of nanofiller are common and are widely established in the research field. In this study, natural rubber (NR) based ternary nanocomposites containing both calcium carbonate and organoclay have been characterized on the basis of morphology, cure characteristics, and physico-mechanical behavior. Natural rubber nanocomposite samples containing modified silicate (Cloisite 15A) and also nano-carbonate calcium were prepared using a laboratory internal mixer. The effect of the mixing sequence on the morphology and mechanical properties of the samples was investigated. Based on results of morphology and mechanical properties, the dual fillers phase nanocomposites (hybrid nanocomposite) perform better in comparison with single filler phase nanocomposites. The reinforcing capability of nano-CaCO3 and organoclay in NR was characterized by means of cure rheometry, morphology, and mechanical properties. NR/single filler phase and two filler phase nanocomposites were prepared by simple melt mixing method. Concentration of nano-CaCO3 and organoclay in NR was 10 and 5 parts per one hundred parts of rubber by weight, respectively. The microstructure and homogeneity of the compounds was confirmed by studying the dispersion of nanoparticles in NR via X-ray diffraction and field emission scanning electron microscopy. A more pronounced effect was achieved by using dual filler based nanocomposites as compared with single filler phase nanocomposites. The obtained results reveal that hybrid nanocomposites have more adequate morphology, rheometery, and mechanical behaviors as well as swelling resistance. The effect of mixing sequence of fillers has been studied in detail. Simultaneous addition of the two nanofillers to the NR compound would lead to better nanocomposite properties compared with other mixing sequences. Also, the results show that the mixing sequence of these nanofillers in NR has little effect on the performance of the nanocomposite.
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Affiliation(s)
- Hedayatollah Sadeghi Ghari
- Young Researchers and Elite Club, Islamic Azad University, P.O. Box 164, Omidieh Branch, Khuzestan, Iran
| | - Azam Jalali Arani
- Amirkabir University of Technology, Department of Polymer Engineering and Color Technology, Tehran, Iran
| | - Zahra Shakouri
- Young Researchers and Elite Club, Islamic Azad University, P.O. Box 164, Omidieh Branch, Khuzestan, Iran
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