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Tururi palm fibrous material (Manicaria saccifera Gaertn.) characterization

机译:塔状棕榈纤维材料(Manicaria saccifera Gaertn。)

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摘要

Tururi (Manicaria saccifera Gaertn.) is a non-woven sac, which protects the fruits of the Amazon Ubuçu palm tree. The aim of this study was to use fibers withdrawn from these sacs and from sac strips – in the natural condition and after discoloration – to determine tensile, weight and regain values; additionally, longitudinal and cross-sections were studied using optical microscopy and Fourier transform infrared spectroscopy (FTIR) was carried out. The tensile results of fibers withdrawn from the sacs were 10·5 ± 2% elongation, 18 ± 3·2 cN/tex (175 ± 31 MPa) tenacity and 3·4 ± 0·5 N/tex (33 ± 5 GPa) Young’s modulus. These values, in addition to regain (12·0 ± 0·5%) and cross-microscopy, are compatible with those of other lignocellulosic fibers. The results related to the strips were 5·9 ± 1% elongation, 17·6 ± 7·8 MPa strength and 552 ± 288 MPa Young’s modulus. There was no significant statistical variation between the tensile characteristics of the fibrous material in the natural condition and after discoloration. The determined weight value was 182 ± 18 g/m2. FTIR analysis confirmed the presence of cellulose, hemicellulose and lignin. Finally, considerations about sustainable extraction and technical applications (in handcrafts and composites) of tururi fibrous material were made, presenting its potential to be employed in products, such as utensils, furniture, flooring or construction.
机译:Tururi(Manicaria saccifera Gaertn。)是无纺布囊,用于保护亚马逊Ubuçu棕榈树的果实。这项研究的目的是使用在自然条件下和变色后从这些囊和囊条中抽出的纤维来确定拉伸,重量和恢复值。此外,使用光学显微镜研究了纵向和横截面,并进行了傅立叶变换红外光谱(FTIR)。从囊中抽出的纤维的拉伸结果为10·5±2%伸长率,18±3·2 cN / tex(175±31 MPa)韧性和3·4±0·5 N / tex(33±5 GPa)杨氏模量。除了恢复(12·0±0·5%)和交叉显微镜检查外,这些值与其他木质纤维素纤维的相容性。与条带有关的结果为5·9±1%的伸长率,17·6±7·8 MPa的强度和552±288 MPa的杨氏模量。在自然条件下和变色后,纤维材料的拉伸特性之间没有显着的统计差异。测得的重量值为182±18 g / m2。 FTIR分析证实了纤维素,半纤维素和木质素的存在。最后,考虑了对tururi纤维材料的可持续提取和技术应用(在手工艺品和复合材料中的应用),并提出了其在厨具,家具,地板或建筑等产品中使用的潜力。

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  • 来源
    《Green Materials》 |2015年第4期|120-131|共12页
  • 作者单位

    School of Arts, Sciences and Humanities, University of São Paulo,São Paulo, Brazil;

    School of Arts, Sciences and Humanities, University of São Paulo,São Paulo, Brazil,Golden Technology, São José dos Campos, Brazil;

    Faculty of Animal Science and Food Engineering,Department of Engineering of Biosystems, University of São Paulo,Pirassununga, Brazil;

    School of Arts, Sciences and Humanities, University of São Paulo, São Paulo, Brazil;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    characterisation; composite materials; mechanical properties;

    机译:表征复合材料;机械性能;

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