Influence of Intercalation Methods in Properties of Clay and Carbon Nanotube and High Density Polyethylene Nanocomposites

被引：17
作者：
Silva, Bruna Louise [1 ]
Nack, Fernanda Czerkies [1 ]
Lepienski, Carlos Mauricio [2 ]
Ferreira Coelho, Luiz Antonio [1 ]
Becker, Daniela [1 ]
机构：
[1] Univ Estado Santa Catarina UDESC, Ctr Ciencias Tecnol, BR-89219710 Joinville, SC, Brazil
[2] Univ Fed Parana UFPR, BR-81531990 Curitiba, Parana, Brazil
来源：
MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS | 2014年 / 17卷 / 06期
关键词：
nanocomposites; polyethylene; carbon nanotube; Clay; mixing methods; MECHANICAL-PROPERTIES; FLAMMABILITY PROPERTIES; POLYMER; MORPHOLOGY; MONTMORILLONITE; CRYSTALLIZATION; POLYPROPYLENE; FILLER;
D O I：
10.1590/1516-1439.303714
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, nanocomposites with simultaneous dispersion of carbon nanotubes and clays in a high density polyethylene (HDPE) matrix were prepared. Two different processes of preparation were employed: solution or melt intercalation. Two different montmorillonite clays were used separately: a natural (MMT-Na) or an organoclay (MMT-30B) and it was used multiwalled carbon nanotubes (MWCNT). Thermal properties were evaluated by DSC and TGA, mechanical properties were evaluated by nanoindentetion and morphology was investigated by transmission electronic microscopy (TEM). Alterations of 20% in crystallinity were detected, increases in Young's modulus up to 12% were observed and up to 20% of increase was observed in Oliver-Pharr hardness. It is possible to explain part of those results based on the state of dispersion observed in our TEM results.
引用
收藏
页码：1628 / 1636
页数：9
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