Polyester Composites Reinforced with Corona-Treated Fibers from Pine, Eucalyptus and Sugarcane Bagasse

被引：16
|
作者：
de Almeida Mesquita, Ricardo Gabriel [1 ,2 ]
da Silva Cesar, Antonia Amanda [1 ]
Mendes, Rafael Farinassi [1 ]
Mendes, Lourival Marin [1 ]
Marconcini, Jose Manoel [3 ]
Glenn, Greg [4 ]
Denzin Tonoli, Gustavo Henrique [1 ]
机构：
[1] Univ Fed Lavras UFLA, Dept Forest Sci, Cx P 3037, BR-37200000 Lavras, MG, Brazil
[2] Univ Copenahgen UCHP, Dept Geosci & Nat Resource Management, Rolighedsvej 23, DK-1958 Frederiksberg C, Denmark
[3] Embrapa Instrumentacao, Rua 14 Novembro,1452, BR-13560970 Sao Carlos, SP, Brazil
[4] USDA ARS, Bioprod Res Unit, WRRC, Albany, CA 94710 USA
来源：
JOURNAL OF POLYMERS AND THE ENVIRONMENT | 2017年 / 25卷 / 03期
关键词：
Plant fibers; Lignocellulosic residues; Polyester resin; Vegetable fibers; Surface activation; UNSATURATED POLYESTER; MECHANICAL-PROPERTIES; THERMAL-PROPERTIES; WATER-ABSORPTION; NATURAL FIBER; JUTE-FIBER; CONTACT-ANGLE; SURFACE; DISCHARGE; KENAF;
D O I：
10.1007/s10924-016-0864-6
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This study aims to evaluate plant fibers that were surface activated with NaOH and corona discharge before incorporating in ortho unsaturated polyester-based fiber composites. It demonstrates the potential use of lignocellulosic particles, especially eucalyptus that presented the higher values for all the mechanical properties analyzed. The corona discharge treatment increased impact strength and tensile strength of the composites, and decreased water absorption. SEM images showed that the surface activation generally improved the interfacial adhesion between fibers and polyester matrix. Corona treatment may depolymerize the lignocellulosic material and smaller fragments may actually help increase the interaction with the polyester.
引用
收藏
页码：800 / 811
页数：12
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