Journal ArticleDOI
Comparison of water absorption in natural cellulosic fibres from wood and one-year crops in polypropylene composites and its influence on their mechanical properties
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TLDR
In this article, a new natural fibres/polypropylene composites were made and the water absorption in them was studied by immersion of the composites in water at three different temperatures, 23, 50 and 70 °C, and the process of absorption of water was found to follow the kinetics and mechanisms described by Fick's theory.Abstract:
Environmentally beneficial composites can be made by replacing glass fibres with various types of cellulose fibres. Fibres from pine or eucalyptus wood and also one-year crops such as coir, sisal, etc. are all good candidates. The poor resistance towards water absorption is one of the drawbacks of natural fibres/polypropylene composites. New natural fibres/polypropylene composites were made and the water absorption in them was studied by immersion of the composites in water at three different temperatures, 23, 50 and 70 °C. The process of absorption of water was found to follow the kinetics and mechanisms described by Fick's theory. In addition, the diffusivity coefficient was dependent on the temperature as estimated by means of Arrhenius law. A decrease in tensile properties of the composites was demonstrated, showing a great loss in mechanical properties of the water-saturated samples compared to the dry samples. The morphology change was monitored by scanning electron microscopy studies of the samples before and after exposure to water and the devastating effect of water on the fibre structure was shown.read more
Citations
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Journal ArticleDOI
Effect of water absorption on the mechanical properties of hemp fibre reinforced unsaturated polyester composites
TL;DR: In this article, water immersion tests were conducted by immersing specimens in a de-ionised water bath at 25 °C and 100 °C for different time durations.
Journal ArticleDOI
Cellulosic Bionanocomposites: A Review of Preparation, Properties and Applications
TL;DR: In this article, a clear overview of cellulose nanoparticles reinforced composites with more than 150 references by describing their preparation, characterization, properties and applications is presented, and different systems are detailed depending on the polymer solubility, i.e., (i) hydrosoluble systems, (ii) non-hydrosolvable systems, and (iii) emulsion systems.
Journal ArticleDOI
Characterization and Properties of Natural Fiber Polymer Composites: A Comprehensive Review
TL;DR: Various fabrication techniques employed for the production of natural fiber reinforced polymer composites are discussed and a detailed review of the research devoted to the analysis of their structure and properties by a variety of characterization techniques are presented.
Journal ArticleDOI
Cellulose whiskers versus microfibrils: influence of the nature of the nanoparticle and its surface functionalization on the thermal and mechanical properties of nanocomposites.
TL;DR: It was proved that the chemical treatment clearly improves the ultimate properties of the nanocomposites and significant differences were reported according to the nature of the nanoparticle and amount of nanofillers used as reinforcement.
Journal ArticleDOI
Cellulose-Based Bio- and Nanocomposites: A Review
Susheel Kalia,Alain Dufresne,Bibin Mathew Cherian,Balbir Singh Kaith,Luc Avérous,James Njuguna,Elias Nassiopoulos +6 more
TL;DR: In this paper, the surface modification of cellulose fibers by various methods is reviewed and the processing methods, properties, and various applications of nanocellulose and cellulosic composites are also discussed.
References
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The mathematics of diffusion
TL;DR: Though it incorporates much new material, this new edition preserves the general character of the book in providing a collection of solutions of the equations of diffusion and describing how these solutions may be obtained.
Journal ArticleDOI
Composites reinforced with cellulose based fibres
TL;DR: In this article, a survey about physical and chemical treatment methods which improve the fiber matrix adhesion, their results and effects on the physical properties of composites is presented, and the influence of such treatments by taking into account fibre content on the creep, quasi-static, cyclic dynamic and impact behaviour of natural fibre reinforced plastics are discussed in detail.
Journal ArticleDOI
Sustainable Bio-Composites from Renewable Resources: Opportunities and Challenges in the Green Materials World
TL;DR: The combination of bio-fibers such as kenaf, hemp, flax, jute, henequen, pineapple leaf fiber, and sisal with polymer matrices from both nonrenewable and renewable resources to produce composite materials that are competitive with synthetic composites requires special attention as discussed by the authors.
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A review on interface modification and characterization of natural fiber reinforced plastic composites
TL;DR: In this paper, a critical review on the physical and chemical treatment methods that improve the fiber-matrix adhesion and their characterization methods is given, as well as a detailed characterization of these methods.
Journal ArticleDOI
Environmental effects on the degradation behaviour of sisal fibre reinforced polypropylene composites
TL;DR: In this paper, the influence of water uptake on the tensile properties of short sisal/PP composites has been studied with special reference to the effect of ageing conditions like treatment with water and UV radiation.