PREPARATION OF POLYMER COMPOSITES BASED ON UNSATURATED POLYESTER REINFORCED BY NATURAL FIBER AND CELLULOSE MICROFIBER FROM LUNG WASTE IN NGHE AN

Cao Xuan Cuong

Abstract


Unsaturated polyester composites reinforced by glass fiber and by hybrid reinforcement
glass fiber - lung fiber with cellulose microfiber (MFC) were prepared and investigated. Tensile
and flexural strengths of material reached the highest value at polymer composite with 48 %w
glass fiber mat and 0.3 %w MFC (208.33 MPa and 243.6 0 MPa), while the highest impact
strength reached 212.48 kJ/m2 at composite containing 48 %w glass fiber but 0.5 %w MFC.
Especially, with 0.3 %w MFC, the tensile fatigue cycle to failure of composite processed by
vacuum bag remarkably increased, 140.28 % at composite with 48 %w glass fiber and 265.63 %
at hybrid composite reinforced by glass fiber/lung fiber, compared to samples without MFC.


Keywords


cellulose microfiber, lung fiber, glass fiber, polymer composite, unsaturated polyester.

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DOI: https://doi.org/10.15625/2525-2518/54/2C/11862 Display counter: Abstract : 98 views. PDF : 92 views.

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Published by Vietnam Academy of Science and Technology