Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/103393
Type: Artigo de periódico
Title: Mechanical Properties Of Polypropylene And Organophilic Montmorillonite Nanocomposites [propriedades Mecânicas De Nanocompósitos De Polipropileno E Montmorilonita Organofílica]
Author: De Paiva L.B.
Morales A.R.
Guimaraes T.R.
Abstract: Nanocomposites of polypropylene and commercial montmorillonite organophilic Cloisite 20A containing 2.5%, 5%, 7.5% and 10% of clay with polypropylene-graft-maleic anhydride as coupling agent were prepared through the melt intercalation by twin-screw extruder. The materials were characterized by x-ray diffraction, tensile and impact properties according to ASTM D638 and D256 test methods, respectively. The x-ray diffraction results showed exfoliated or intercalated structures for different concentrations of the clay. The tensile modulus improved with the increase of the amount of the clay while the impact strength showed unsatisfactory results.
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Rights: aberto
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-33750291972&partnerID=40&md5=7d2d5e97c15625e14690423b48412673
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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