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Materials 2018, 11(8), 1397; https://doi.org/10.3390/ma11081397

Role of Surfactants in the Properties of Poly(Ethylene Terephthalate)/Purified Clay Nanocomposites

1
Programa de Pós-Graduação em Ciência e Engenharia de Materiais, Universidade Federal da Paraíba, João Pessoa PB 58051-900, Brazil
2
Laboratório de Avaliação e Desenvolvimento de Biomateriais do Nordeste—CERTBIO, Unidade Acadêmica de Engenharia de Materiais, Universidade Federal de Campina Grande, Campina Grande PB 58429-900, Brazil
3
Departamento de Química Fundamental, Universidade Federal de Pernambuco, Recife PE 50670-901, Brazil
4
Unidade Acadêmica de Engenharia de Materiais, Universidade Federal de Campina Grande, Campina Grande PB 58429-900, Brazil
5
Departmento de Engenharia de Materiais, Universidade Federal da Paraíba, João Pessoa PB 58051-900, Brazil
*
Author to whom correspondence should be addressed.
Received: 17 May 2018 / Revised: 18 June 2018 / Accepted: 18 June 2018 / Published: 10 August 2018
(This article belongs to the Section Structure Analysis and Characterization)
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Abstract

Purified clay was modified with different amounts of alkyl ammonium and phosphonium salts and used as filler in the preparation of PET nanocomposites via melt intercalation. The effect of this type of filler on morphology and thermal and mechanical properties of PET nanocomposites was investigated by X-ray diffraction (XRD), differential scanning calorimetry (DSC), thermogravimetric analyses (TG), tensile properties, and transmission electron microscopy (TEM). The results showed that the mixture of alkyl ammonium and phosphonium salts favored the production of PET nanocomposites with intercalated and partially exfoliated morphologies with slight improvement in thermal stability. In addition, the incorporation of these organoclays tended to inhibit PET crystallization behavior, which is profitable in the production of transparent bottles. View Full-Text
Keywords: PET; purified clay; surfactants; nanocomposites; properties PET; purified clay; surfactants; nanocomposites; properties
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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dos Santos, E.P.; Fook, M.V.L.; Malta, O.M.L.; de Lima Silva, S.M.; Leite, I.F. Role of Surfactants in the Properties of Poly(Ethylene Terephthalate)/Purified Clay Nanocomposites. Materials 2018, 11, 1397.

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