Polymeric composites based on natural rubber and hemp fibers

Mănăilă, Elena; Stelescu, Maria Daniela; Doroftei, Florica

doi:10.1007/s13726-015-0307-6

Cited by 40 publications

(35 citation statements)

References 23 publications

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“…At the same time the absorption maximum at 3290 cm -1 for unfilled NR was noticed. This suggests presence of proteins (monopeptides and dipeptides) in natural rubber (Manaila et al 2015). The bands (b, c and d) in the range of 2960-2850 cm -1 were attributed to the symmetric and asymmetric stretching vibrations of C-H bonds in CH 2 groups present in aliphatic elastomer chains and CH 3 end groups.…”

Section: Ftir Analysismentioning

confidence: 92%

Processing and structure–property relationships of natural rubber/wheat bran biocomposites

et al. 2016

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In this work, wheat bran was used as cellulosic filler in biocomposites based on natural rubber. The impact of wheat bran content [ranging from 10 to 50 parts per hundred rubber (phr)] on processing, structure, dynamic mechanical properties, thermal properties, physico-mechanical properties and morphology of resulting biocomposites was investigated. For better characterization of interfacial interactions between natural rubber and wheat bran, achieved results were compared with properties of biocomposites filled with commercially available cellulosic fillers-wood flour and microcellulose. It was observed that wheat bran, unlike commercial cellulosic fillers, contains high amount of proteins, which act like plasticizers having profitable impact on processing, physical, thermo-mechanical and morphological properties of biocomposites. This is due to better dispersion and distribution of wheat bran particles in natural rubber, which results in reduction of stiffness and porosity of the biocomposites. Regardless of cellulosic filler type, Wolff activity coefficient was positive for all studied biocomposites implying reinforcing effect of the applied fillers, while tensile strength and elongation at break decreased with increasing filler content. This phenomenon is related to restricted strain-induced crystallization of NR matrix due to limited mobility of polymer chains in the biocomposites. Furthermore, this explains negligible impact of particle size distribution, chemical composition and crystallinity degree of applied cellulosic filler on static mechanical properties of highlyfilled NR biocomposites. The conducted investigations show that wheat bran presents interesting alternative for commercially available cellulosic fillers and could be successfully applied as a low-cost filler in polymer composites.

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Section: Ftir Analysismentioning

confidence: 92%

Processing and structure–property relationships of natural rubber/wheat bran biocomposites

et al. 2016

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“…The determination of all presented swelling parameters is described in the literature in the case of natural rubber composites filled with particulate and fibrous fillers [31][32][33]. The samples for test were cut from the compression molded sheets (obtained during the vulcanization process of the prepared natural rubber mixtures) and three samples (with the average mass equal ca.…”

Section: Swelling Parametersmentioning

confidence: 99%

Effect of high loading of titanium dioxide particles on the morphology, mechanical and thermo-mechanical properties of the natural rubber-based composites

2016

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“…So a good solution is to use ionizing radiation to produce polymer materials, especially using accelerated electron beams which actually direct all their energy in the volume of irradiated monomer solutions. The research line of the authors of the present work laboratory is to done the processing of materials for research and industrial applications especially for polymerization, cross-linking or monomers grafting onto polymers, by electron beam irradiation (EB) [12][13][14][15][16][17] . In this paper, physico-chemical characteristics of polymeric materials (flocculants) obtained by electron beam irradiation, are presented.…”

Section: Abstract: Poly(acrylamide-co-acrylic Acid) Synthesis Absormentioning

confidence: 99%

Synthesis and Characterization of Poly(Acrylamide-Co-Acrylic Acid) Flocculant Obtained by Electron Beam Irradiation

et al. 2015

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Polymeric composites based on natural rubber and hemp fibers

Cited by 40 publications

References 23 publications

Processing and structure–property relationships of natural rubber/wheat bran biocomposites

Processing and structure–property relationships of natural rubber/wheat bran biocomposites

Effect of high loading of titanium dioxide particles on the morphology, mechanical and thermo-mechanical properties of the natural rubber-based composites

Synthesis and Characterization of Poly(Acrylamide-Co-Acrylic Acid) Flocculant Obtained by Electron Beam Irradiation

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