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Show simple item record Hargitai, H en_US Racz, I en_US 2007-01-22T13:59:39Z en_US 2007-06-07T10:03:34Z 2007-01-22T13:59:39Z en_US 2007-06-07T10:03:34Z 2005-09 en_US
dc.identifier.citation Hargitai, H and Racz, I. 2005. Development of hemp fibre - PP nonwoven composites. Proceeding of the 8th Polymers for Advanced Technologies International Symposium, Budapest, Hungary, 13-16 September 2005 en_US
dc.identifier.uri en_US
dc.description.abstract Non-woven mats from hemp and polypropylene fibres in various proportions were produced and hot pressed to make composite material. The effect of hemp fibre content and anisotropy in non-woven mats resulting from the carding technology were examined on the basis of the three-point bending, tensile and impact properties of the resultant composite materials. Because of the hydrophilic nature and poor dimensional stability of cellulosic fibres due to swelling, the effect of water sorption on mechanical performances was also investigated. Optimal mechanical properties were achieved in composites made from 40-50% of hemp fibre by weight. As it was expected, better mechanical properties were found in the specimens cut from the composite sheets parallel to the direction of carding. A strong decrease in three point bending properties was noticed after immersing the composite samples in distilled water for 19 days, while the impact strength increased. Double carding of raw materials resulted in a decreased anisotropy in composite material. en_US
dc.format.extent 110042 bytes en_US
dc.format.mimetype application/pdf en_US
dc.language.iso en en_US
dc.publisher Polymers for Advanced Technologies International Symposium en_US
dc.rights Copyright: 2006 Wiley-V C H Verlag GMBH en_US
dc.subject Composites en_US
dc.subject Polypropylene en_US
dc.subject Renewable resources en_US
dc.subject Structure-property relations en_US
dc.title Development of hemp fibre - PP nonwoven composites - Conference Paper en_US
dc.type Conference Proceeding en_US

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