The effect of grass fiber filler on curing characteristics and mechanical properties of natural rubber

De, Debasish; De, Debapriya; Adhikari, Basudam

doi:10.1002/pat.530

Cited by 60 publications

(42 citation statements)

References 20 publications

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“…These results corroborate those reported in the literature 32,34 , which indicate that the use of natural fibers as a reinforcement in natural rubber matrices increases the tensile modulus; this may be indicative of the excellent interactions between the fiber surface and the natural rubber matrix. 32,33 …”

Section: Mechanical Propertiessupporting

confidence: 92%

The Influence of Bleached Jute Fiber Filler on the Properties of Vulcanized Natural Rubber

2017

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There is growing interest in replacing the synthetic reinforcements used for natural rubber (NR) composites with natural fibers from renewable, environmentally sustainable sources. Jute fibers may be suitable reinforcements for NR because they have a high tensile strength, which is comparable to other fillers such as glass fibers. Thus, we studied the incorporation of bleached jute fibers into NR, characterizing the mechanical, dynamic mechanical, and morphological properties of the composites. The addition of fibers to the NR latex was achieved by chemical coagulation, followed by vulcanization in a laboratory two-roll mixing mill. The elastic modulus at 100 and 300% elongation of the NR doubled after the addition of 10 phr of fibers without significant loss in the tensile strength or the elongation at break. The hardness was increased by 47%, and the storage modulus also increased, indicating the excellent interactions between the surfaces of the fibers and the NR matrix.

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Section: Mechanical Propertiessupporting

confidence: 92%

The Influence of Bleached Jute Fiber Filler on the Properties of Vulcanized Natural Rubber

2017

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“…In the past, a variety of short natural fibers were incorporated into natural rubber, and their reinforcement was discussed. [4][5][6][7][8][9][10] It was reported that they did not provide the same level of reinforcement compared to carbon black and silica; that is, the tensile strength and elongation at break of natural-rubber-based composites substantially decreased with the addition of natural fibers. In many cases, the loading of fibers that gave optimal fiber orientation and acceptable mechanical properties was found to be 20-30 phr.…”

Section: Introductionmentioning

confidence: 99%

Hybridized reinforcement of natural rubber with silane‐modified short cellulose fibers and silica

Lopattananon

Jitkalong

Seadan

2011

J of Applied Polymer Sci

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Natural-rubber-based hybrid composites were prepared by the mixture of short cellulose fibers and silica of different relative contents with a 20-phr filler loading with a laboratory two-roll mill. The processability and tensile properties of the hybrid composites were analyzed. The tensile modulus improved, but the tensile strength and elongation at break decreased with increasing cellulose fiber content. The scorch safety improved with the addition of 5-phr cellulose fiber in the composites. The Mooney viscosity significantly decreased with increasing cellulose fiber content. To modify the surface properties of the cellulose fiber and silica fillers, a silane coupling agent [bis(triethoxysilylpropyl)tetrasulfide, or Si69] was used. The effects of Si69 treatment on the processing and tensile properties of the hybrid composites were assessed. We found that the silane treatment of both fillers had significant benefits on the processability but little benefit on the rubber reinforcement. The strength of the treated hybrid composite was comparable to that of silica-reinforced natural rubber. Furthermore, to investigate the filler surface modification and to determine the mixing effects, infrared spectroscopic and various microscopic techniques, respectively, were used. From these results, we concluded that the fillers were better dispersed in the composites, and the compatibility of the fillers and natural rubber increased with silane treatment. In conclusion, the hybridized use of short cellulose fibers from a renewable resource and silica with Si69 presented in this article offers practical benefits for the production of rubber-based composites having greater processability and more environmental compatibility than conventional silica-filler-reinforced rubber.

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“…7 Cellulose fibers like grass fiber and cotton fiber have also been used as the filler for fabrication of NR-based composites. 8,9 The recent approach has been to use nanosize fillers for the enhancement of properties. [10][11][12][13] Synthetic degradable fibers attracted scientist's attention because of their potential application in the biomedical field.…”

Section: Introductionmentioning

confidence: 99%

Comparative experimental studies of phosphate glass fiber/polypropylene and phosphate glass fiber/natural rubber composites

Zaman

Khan

2012

Journal of Elastomers & Plastics

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Phosphate glass fiber (PGF)-reinforced polypropylene (PP)/natural rubber (NR)-based unidirectional composites with four levels of fiber loading (5, 10, 15, and 20 wt%) were fabricated by compression molding. The influence of the addition of fiber loadings on the mechanical properties such as tensile strength, bending strength, tensile modulus, and percentage elongation at break of the composites was investigated. Based on the fiber loading, 20% PGF-reinforced PP composites yielded better mechanical properties compared with the PGF/NR composites. Degradation tests of the composites were performed in aqueous and soil medium, and it was found that PGF/NR composites lost much of its original strength and modulus compared with that of the PGF/PP composites. Interfacial shear strength (IFSS) of PGF/PP and PGF/NR systems was investigated using the single-fiber fragmentation tests. The IFSS of PGF/PP and PGF/NR systems appeared to be 5.5 and 1.1 MPa, respectively.

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The effect of grass fiber filler on curing characteristics and mechanical properties of natural rubber

Cited by 60 publications

References 20 publications

The Influence of Bleached Jute Fiber Filler on the Properties of Vulcanized Natural Rubber

The Influence of Bleached Jute Fiber Filler on the Properties of Vulcanized Natural Rubber

Hybridized reinforcement of natural rubber with silane‐modified short cellulose fibers and silica

Comparative experimental studies of phosphate glass fiber/polypropylene and phosphate glass fiber/natural rubber composites

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