PREPARATION OF POLYMER COMPOSITES BASED ON UNSATURATED POLYESTER REINFORCED BY NATURAL FIBER AND CELLULOSE MICROFIBER FROM LUNG WASTE IN NGHE AN
Keywords:cellulose microfiber, lung fiber, glass fiber, polymer composite, unsaturated polyester.
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.
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