Deterioration of Wood Plastics Composites by the White-Rot Fungus Pycnoporus sanguineus

Cesarino, Ivana; Dias, Otávio Augusto Titton; Negrão, Djanira Rodrigues; Rocha, Ligia Linardi Niero; Leão, Alcides Lopes

doi:10.3390/jcs3010024

Cited by 9 publications

(2 citation statements)

References 67 publications

(81 reference statements)

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“…The rPP had a hardness of 1.5 HV, whereas the composites had a hardness of 3.7 HV (rPPSD1), 6.3 HV (rPPSD2), 7.8 HV (rPPSD3) and 9.8 HV (rPPSD4). The present results agreed with the prior literature [ 78 , 84 , 85 ].…”

Section: Resultssupporting

confidence: 94%

Preparation and Characterisation of Wood Polymer Composites Using Sustainable Raw Materials

et al. 2022

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In recent years, composites consisting of polymers and cellulosic materials have attracted increasing research attention. Polypropylene (PP) is among the most common polymer types found in excavated waste from landfills. Moreover, wood waste generated from wood products manufacturing such as sawdust (SD) offers a good potential for the fabrication of composite materials, and it is readily available in the environment. In this paper, wood polymer composites (WPC) consisting of recycled PP (rPP) and (SD) were prepared and characterised. A range of mechanical properties, including tensile strength, flexural properties, creep and hardness were studied, along with morphology, thermal properties, water degradation and contact angle. The results showed that the mechanical and thermal properties of rPP increased with an increase in 40 wt% of the SD content. Furthermore, the SD content significantly influenced the water uptake of the composites. Time–temperature superposition (TTS) was applied to predict the long-term mechanical performance from short-term accelerated creep tests at a range of elevated temperatures. The short-term creep test showed efficient homogeneity between the fillers and matrix with increasing temperature. The produced wood polymer composites displayed a comparable physical property to virgin polymer and wood and could potentially be used for various structural materials.

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Section: Resultssupporting

confidence: 94%

Preparation and Characterisation of Wood Polymer Composites Using Sustainable Raw Materials

et al. 2022

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“…Impact resistance is other important mechanical property for application of natural fiber composites. 33 In Figure 5 are presented the results of impact resistance of the materials. LDPE-composite shows values around 35 kJ/m 2 before aging and a performance slightly below than LDPE-w, which can be caused by defects induced in polymer matrix by the presence of P. purpureum fibers.…”

Section: Mechanical Propertiesmentioning

confidence: 99%

Accelerated aging of polymer composite from Pennisetum purpureum fibers with recycled low-density polyethylene

Grillo

Saron

2023

Journal of Composite Materials

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The use of natural fibers (NF) as reinforcement in polymer composites have been an interesting option to improve their mechanical properties and to decrease production costs since several crops can produce large amounts of NF with low cost. This is particularly attractive for polymer waste recycling that depends of the production of cheap materials to be economically viable. Elephant grass ( Pennisetum purpureum schum) is a tropical climate plant of fast growth with high potential for production of NF. However, studies on the use of P. purpureum fibers as reinforcement in polymers, mainly for recycled polymers, have been restricted. The aims of this study was to evaluate the action of the P. purpureum fibers on the properties of composites using matrix of low-density polyethylene waste (LDPE-w) as well as to verify the behavior of recycled polymer when submitted to the accelerated photochemical aging using UVA radiation. LDPE-w and LDPE-w composite with P. purpureum fibers (LDPE-composite) were analyzed at different aging times by tensile and impact tests, melt flow rate, scanning electron microscopy and Fourier transform infrared. It was verified that P. purpureum fibers induce defects in matrix of LDPE-w, decreasing the performance of mechanical properties. Similar effect also occurs when LDPE-w is submitted to the first hours of accelerated aging. On the other hand, effects of stabilization of the degradation on the polymer matrix can be attributed to the P. purpureum fibers at high aging times. Thus, P. purpureum presents high potential for use as reinforcement in recycled thermoplastic waste.

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Long Term Natural Weathering of PP Based WPCs: The Effect of TiO2 on Selected Color, Physical, Mechanical, Morphological and Chemical Properties

Mengeloğlu

Çavuş

2021

Wood Polymer Composites

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Deterioration of Wood Plastics Composites by the White-Rot Fungus Pycnoporus sanguineus

Cited by 9 publications

References 67 publications

Preparation and Characterisation of Wood Polymer Composites Using Sustainable Raw Materials

Preparation and Characterisation of Wood Polymer Composites Using Sustainable Raw Materials

Accelerated aging of polymer composite from Pennisetum purpureum fibers with recycled low-density polyethylene

Long Term Natural Weathering of PP Based WPCs: The Effect of TiO2 on Selected Color, Physical, Mechanical, Morphological and Chemical Properties

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