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Avaliação das propriedades de compósitos de poli(hidroxibutirato-co-valerato) reforçado com fibras de curauá
(2014-07-10)
Composites are materials composed of two or more different materials, forming a heterogeneous class of materials which differ in physical and chemical properties. Recent studies on biodegradable polymer composites reinforced ...
Desenvolvimento de compósitos expandidos de poli(etileno-co-acetato de vinila) - eva reforçados com pó de madeira e com fibra de bananeira
(2014-07-10)
Expanded composites or vegetable fiber-reinforced cell composites are a new emerging class
of materials combining good mechanical properties of reduced density, having superior ability
of energy absorption at impact, as ...
Avaliação das propriedades mecânicas, térmicas, morfológicas e degradação de compósitos de poli(ácido lático) / buriti
(2014-07-10)
Nowadays, preoccupation with the environment has stimulated the use of biodegradable
polymers substituting the synthetic ones, which are harder to degrade under different
conditions. However, the properties of the ...
Desenvolvimento de compósitos com base em rejeito de tecidos de algodão e acrílico em matriz de polietileno de alta densidade
(2014-05-12)
Composites of high density polyethylene (HDPE) with waste textile fiber (WTF) with optimized mechanical properties were developed in order to make possible the recycling these residues. In order to accomplish this goal, ...
Obtenção e caracterização de compósitos preparados com poliestireno expandido reciclado e pó de madeira
(2014-05-29)
The present work aims to analyze the mechanical, thermal, dynamicalmechanical thermal properties and morphology of composites based on recycled polystyrene and wood flour. Composites with different types and levels of ...
Obtenção e caracterização de compósitos celulares à base de resíduo de SBR proveniente da indústria calçadista
(2014-05-19)
Rubber compositions of copoly(butadiene-styrene) (SBR) with incorporation of an expanded residue from shoe industry (SBR scraps) were developed aiming later application to obtain cellular composites.n The amounts of the ...
Desenvolvimento e caracterização mecânica e dinâmico-mecânica de compósitos poliméricos híbridos (vidro/ramie) moldados por transferência de resina
(2014-07-10)
The use of ramie fibers as reinforcement in polymer composites is justified considering their satisfactory mechanical properties in comparison with other natural fibers, and their hybridization with synthetic fibers can ...
Preparação e caracterização de membranas compósitas polisulfona/material celulósico como barreira seletiva
(2014-06-23)
This work investigated the preparation and obtaining of nanocrystalline cellulose
(cellulose whiskers or cellulose nanocrystals) for use in polysulfone composite membranes
prepared by phase inversion method. Preparation ...
Avaliação das técnicas de dispersão mecânica e ultrassônica de nanotubos de carbono de paredes múltiplas em resina epóxi
(2014-06-03)
In this study nanotubes/epoxy composites were produced in order to evaluate which of the two studied techniques would result in a better degree of dispersion and unentanglement of carbon nanotubes in epoxy resin. The ...