Environmental effects on bamboo-glass/polypropylene hybrid composites

The effects of environmental aging and accelerated aging on tensile and flexural behavior of bamboo fiber reinforced polypropylene composite (BFRP) and bamboo-glass fiber reinforced polypropylene hybrid composite (BGRP), all with a 30% (by mass) fiber content, were studied by exposing the samples in...

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Veröffentlicht in:Journal of materials science 2003-01, Vol.38 (2), p.363-376
Hauptverfasser: Thwe, M M, Liao, K
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description The effects of environmental aging and accelerated aging on tensile and flexural behavior of bamboo fiber reinforced polypropylene composite (BFRP) and bamboo-glass fiber reinforced polypropylene hybrid composite (BGRP), all with a 30% (by mass) fiber content, were studied by exposing the samples in water at 25°C for up to 1600 h and at 75°C for up to 600 h. Reduction in tensile strength for BFRP and BGRP was 12.2% and 7.5%, respectively, after aging at 25°C for about 1200 h. Tensile and flexural strength of BFRP and BGRP were reduced by 32%, 11.7%, and 27%, 7.5% respectively, after aging at 75°C for 600 h. While the strengths of the bamboo fiber reinforced composites reduce with sorption time and temperature, the environmental degradation process can be delayed by adding a small amount of glass fiber. Moisture sorption and strength reduction are further suppressed by using maleic anhydride polypropylene (MAPP) as a coupling agent in both types of composite system.
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Reduction in tensile strength for BFRP and BGRP was 12.2% and 7.5%, respectively, after aging at 25°C for about 1200 h. Tensile and flexural strength of BFRP and BGRP were reduced by 32%, 11.7%, and 27%, 7.5% respectively, after aging at 75°C for 600 h. While the strengths of the bamboo fiber reinforced composites reduce with sorption time and temperature, the environmental degradation process can be delayed by adding a small amount of glass fiber. 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subjects Aging
Applied sciences
Bamboo
Composites
Coupling agents
Environmental effects
Exact sciences and technology
Fiber composites
Fiber reinforced polymers
Flexural strength
Forms of application and semi-finished materials
Glass fiber reinforced plastics
Hybrid composites
Maleic anhydride
Materials science
Polymer industry, paints, wood
Polymer matrix composites
Polypropylene
Reduction
Sorption
Technology of polymers
Tensile strength
title Environmental effects on bamboo-glass/polypropylene hybrid composites
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