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Hornsby, Peter; Hinrichsen, Einar L.; Tarverdi, Karnik

doi:10.1023/a:1018521920738

Cited by 201 publications

(49 citation statements)

References 9 publications

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“…The composite preparation was performed by melt-mixing in a Haake Buchler Rheomixer 600, using roller blades and a mixing chamber with a volumetric capacity of 69 cm 3 . The components (which were physically premixed) were directly fed into the chamber heated at 200°C in its three zones.…”

Section: Melt-blending and Samples Preparationmentioning

confidence: 99%

“…Thus, a great number of studies have appeared in the literature. For some interesting examples, one could refer to articles discussing PP resins filled with smectite, 1 Mg(OH) 2 , 2 wheat and flax straw fibers, 3,4 and bamboo fibers, 5 etc. It is evident that there are no obstacles in the way of searching for new fillers and for the improvement of the PP properties.…”

Section: Introductionmentioning

confidence: 99%

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Mechanical properties and viscoelastic behavior of basalt fiber-reinforced polypropylene

Botev

Betchev

Bikiaris

et al. 1999

J. Appl. Polym. Sci.

159

100

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ABSTRACT:In the present article, a series of commercial-grade polypropylenes (PP) filled with different contents of short basalt fibers were studied. This composite material presented deterioration of both mechanical characteristics, for example, stress and strain at yield with increasing of the fiber content. On the other hand, the impact strength was fourfold higher than that of unfilled PP. A poor adhesion between the PP matrix and the basalt fibers was detected. This is why interfacial interactions were promoted by the adding of poly(propylene-g-maleic anhydride) (PP-g-MA). It was observed that the tensile properties of the obtained materials and their impact strengths increased significantly with increasing of the amount of PP-g-MA in the blend. The adhesion improvement was confirmed by scanning electron microscopy as well. Fourier transform infrared spectroscopy was applied to assess if any chemical interactions in the system PP/PP-g-MA/basalt fibers exist. Dynamic mechanical thermal analysis data showed an increase of the storage modulus with increasing fiber content. The conclusion was made that the modification of the PP matrix led to a higher stiffness but its value remained constant, irrespective of the PP-g-MA content. With increasing fiber content, damping in the ␤-region decreased, but increase of the coupling agent content restored its value back to that of PP. The loss modulus spectra presented a strong influence of fiber content on the ␣-relaxation process of PP. The position of the peaks of the above-mentioned relaxation processes are discussed as well.

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Section: Melt-blending and Samples Preparationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Mechanical properties and viscoelastic behavior of basalt fiber-reinforced polypropylene

Botev

Betchev

Bikiaris

et al. 1999

J. Appl. Polym. Sci.

159

100

View full text Add to dashboard Cite

show abstract

“…Although wood is a renewable source of fiber, it has a longer growing cycle compared to that of other sources of fiber such as agricultural residues, which can be harvested annually (Hornsby et al 1997a;Panthapulakkal et al 2006). Agro-residues such as wheat straw, rice straw, corn-cobs, and corn stalks are currently being used as sources of cellulose-based fibers (Schirp et al 2006;Reddy and Yang 2007).…”

Section: Introductionmentioning

confidence: 99%

Physical and Mechanical Properties of Modified Wheat Straw-Filled Polyethylene Composites

et al. 2016

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This study investigates the effect of modified wheat straw on the physical and mechanical properties of modified wheat straw/high-density polyethylene (MWS/HDPE) straw-plastic composites. Wheat straw fibers with particle sizes in the range of 0.25 to 0.50 mm were modified with caprolactam (CPL). A Fourier transform infrared spectroscopy (FT-IR) analysis of MWS showed that when the CPL level was 5%, the intensity of the hydroxyl (O-H) and carbonyl (C-O) absorption peaks noticeably decreased, indicating a corresponding decrease in the polarity of the fibers. A physical analysis of the wheat straw fibers indicated that after the modification, the characteristics of the fibers were closer to those of the HDPE polymer matrix, thus contributing to good compatibility and dispersion of the straw fibers within the matrix. The composites of the highdensity polyethylene with modified wheat straw particles were successfully synthesized using the melt blend method. The prepared composites were characterized using scanning electron microscopy (SEM), and their mechanical properties were investigated. The MWS/HDPE composites showed superior mechanical properties because of a greater compatibility of MWS with HDPE. The modified WS fibers function as "biological steel," reinforcing the HDPE to produce bio-composites.

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“…Lignin is one of several chemical constituent of natural fibre which is usually considered contributing the low tensile strength and good stiffness of the natural fibre. [25,26] That was not the case in this study, most notably in terms of tensile strength. However, the decrease of modulus was not unexpected by the removal of lignin.…”

Section: Resultsmentioning

confidence: 50%

On the Tensile Properties of Polylactide (PLA)/Arenga Pinnata “Ijuk” Fibre Composite

Chalid

Rahman

Ferdian

et al. 2015

Macromolecular Symposia

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Summary: Composite as a plastic material derivative was widely used in various facets of life. Problems arising from the use of these common materials, among others, lies in the processing of components' waste that has reached the end of its life span. Through the use of polymeric materials derived from natural materials, namely poly lactic acid / polylactide (PLA), as well as reinforcing material prepared from natural fibers such as Arenga pinnata / ijuk fibers, polymer composites was made by hot compression molding (hot pressing). Chemical treatments with sodium hydroxide (NaOH) with a set treatment time and concentration were conducted on short fibres to improve compatibility with the matrix. Moreover, the effect of variation of volume fraction will be observed in the form of reinforcement levels (10, 20, and 30% of the total weight of starting material) on the properties (tensile strength, modulus of elasticity, elongation) of the resulting composites. The properties in question are tensile properties, and fibre -matrix compatibility. It was expected that the treatment would bring positive effect to the mechanical properties of composite and compatibility of fibre and matrix compared to the ones without treatment.

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Cited by 201 publications

References 9 publications

Mechanical properties and viscoelastic behavior of basalt fiber-reinforced polypropylene

Mechanical properties and viscoelastic behavior of basalt fiber-reinforced polypropylene

Physical and Mechanical Properties of Modified Wheat Straw-Filled Polyethylene Composites

On the Tensile Properties of Polylactide (PLA)/Arenga Pinnata “Ijuk” Fibre Composite

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