The effects of acetylation on properties of flax fibre and its polypropylene composites
作者： A. K. Bledzki , A. A. Mamun , M. Lucka-Gabor , V. S. Gutowski
DOI: 10.3144/EXPRESSPOLYMLETT.2008.50
关键词: Materials science 、 Polypropylene 、 Flexural strength 、 Polymerization 、 Charpy impact test 、 Ultimate tensile strength 、 Composite material 、 Cellulose 、 Crystallinity 、 Thermal stability
摘要: Flax fibre was modified with acetylation. The influence of the acetylation on structure and properties flax were investigated as well reinforced polypropylene composites also prepared. catalyst used to accelerate reaction rate. characterised after modification. Surface morphology, mois- ture absorption property, components content, degree polymerisation, crystallinity cellulose thermal stability fibres studied. Due acetylation, surface morphology moisture resistance improved remarkably. (modified unmodified) fabricated 30 wt% loading. mechanical for those composites. Tensile flexural strengths found increase increasing up 18% then decreased. Charpy impact decrease Owing addition coupling agent (maleated -MAH), tensile strength in between 20 35% depending
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