Results 91 to 100 of about 352,893 (131)

Chemical characterization of leaf fibers of curaua (Ananas erectifolius) and their fate during soda-AQ pulping. [PDF]

, 2006
The chemical composition of curaua (Ananas erectifolius) fibers and their fate after soda-AQ pulping has been studied. The lignin composition was analyzed by Py-GC/MS, and the fiber and pulp showed a lignin with a S/G ratio of 1.2 and 0.1, respectively ...
Marques, Gisela, Gutiérrez Suárez, Ana, Río Andrade, José Carlos del   +2 more
core  

EFFECT OF DIFFERENT SURFACE TREATMENTS ON CURAUA FIBERS

, 2019
LINCONL TEIXEIRA, Rosineide Le�o, Sandra Luz   +2 more
openaire   +2 more sources

New textile fibre: Curaua

, 2016
Curaua fibres are leaf fibres extracted from an Amazon-forest plant (Ananas comosus var. erectifolius) closely related to the pineapple. There is evidence of successful use of curaua fibre in different areas, such as: reinforcing composite structures ...
Souto, A. Pedro, Pimenta, Paulo, Silva, Simone Santos, Oliveira,Fernando R., Borges, Laura M.   +4 more
core  

Strength Evaluation of Curaua Fibers with Variation in Cross-Sectional Area

Journal of the Society of Materials Science, Japan, 2008
TANABE, Katsunori, MATSUO, Takanori, GOMES, Alexandre, GODA, Koichi, OHGI, Junji   +4 more
openaire   +2 more sources

Characterization of Curaua Fiber

Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals, 2000
Abstract This paper describes the chemical, thermal and thermomechanical characterization of curaua fiber. The research of the thermal and thermomechanical properties of natural fibers is of major interest, considering their increasing utilization in several applications, and the large temperature range to which the fibers are submitted.
José Cláudio Caraschi, Alcides Lopes Leãto   +1 more
exaly   +4 more sources

Recycled polypropylene reinforced with curaua fibers by extrusion

Journal of Applied Polymer Science, 2009
AbstractCuraua fibers were studied as reinforcing agents for postconsumer polypropylene. The composites were processed by extrusion. The composite properties were investigated by mechanical tests, thermal methods, melt flow index, surface morphology, and water uptake.
Marcia A. Silva Spinacé, Karen K. G. Fermoseli, Marco‐A De Paoli   +2 more
exaly   +4 more sources

The use of curaua fibers as reinforcements in composites

, 2015
Nowadays, there is growing worldwide interest in the use of natural renewable materials to replace synthetic polymers or improve the properties of current materials. Natural fibers seem to offer a great opportunity in this respect, and among them curaua (. Ananas erectifolius L. B. Smith) fiber has unique properties, such as high strength, low density,
Souza, S. F., Ferreira, M., Sain, M., Ferreira, M. Z., Pupo, H. F., Cherian, B. M., Leão, A. L.   +6 more
exaly   +5 more sources

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Mechanical Behavior of Unidirectional Curaua Fiber and Glass Fiber Composites

Macromolecular Symposia, 2012
AbstractSummary: This work intends to promote the use of natural fibers by comparing the behavior of isophthalic polyester matrix composites reinforced with unidirectional curaua fibers with that of unidirectional glass fiber composites. The composites were produced varying the reinforcement angle (0°, 15°, 30°, 45°, 60°, 75° and 90°) with the aim of ...
Felipe Hörlle de Oliveira, Ana Luiza Helfer, Sandro Campos Amico   +2 more
openaire   +3 more sources

Curaua Fibers/Epoxy Laminates with Improved Mechanical Properties: Effects of Fiber Treatment Conditions

Macromolecular Symposia, 2014
SummaryThe use of lignocellulosic fibers as reinforcement in polymer composites has increased worldwide recently. Vegetal fibers have low cost and they are commonly available in Brazil. The curaua fibers in particular are of great importance for the development of the Amazon region.
Paulo H. M. Cardoso, Fernando L. Bastian, Rossana M. S. M. Thiré   +2 more
openaire   +3 more sources

Thermal and mechanical characteristics of polyurethane/curaua fiber composites

Journal of Thermal Analysis and Calorimetry, 2008
Polyurethane composites reinforced with curaua fiber at 5, 10 and 20% mass/mass proportions were prepared by using the conventional melt-mixing method. The influence of curaua fibers on the thermal behavior and polymer cohesiveness in polyurethane matrix was evaluated by dynamic mechanical thermal analysis (DMTA) and by differential scanning ...
Cheila G. Mothé, Carla R. de Araujo, Shui H. Wang   +2 more
openaire   +2 more sources