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Comparative study by TG and DSC Of membranes polyamide66/bentonite clay nanocomposite; Estudo comparativo por TG e DSC de membranas de nanocompositos poliamida66/argila bentonitica

Abstract

In this study, it was obtained membranes of nanocomposites polyamide66 with 3 and 5% bentonite clay consists of silicates in layers from the interior of Paraiba. The clay was treated with a quaternary ammonium salt in order to make it organophilic. The membranes were prepared by phase inversion technique from the nanocomposites in solution. The clays were characterized by X-ray diffraction (XRD) and thermogravimetry (TG). Also the membranes were characterized by differential scanning calorimetry (DSC) and TG. The XRD and TG confirmed the presence of salt in the clay and thermal stability of the treated clay. For DSC, it was observed that there was no change in melting temperature of the membranes of nanocomposites compared to membrane pure polyamide66. By TG, it was found that the decomposition of the membranes of polyamide66 with treated clay were higher compared with the untreated clay. (author)
Authors:
Medeiros, K.M. de; Kojuch, L R; Araujo, E M; Lira, H.L., E-mail: keilamm@ig.com.b; [1]  Lima, F [2] 
  1. Universidade Federal de Campina Grande (UFCG), PB (Brazil). Unidade Academica de Engenharia de Materiais
  2. Universidade Estadual da Paraiba (UEPB), Campina Grande, PB (Brazil). Dept. de Quimica
Publication Date:
Jul 01, 2010
Product Type:
Conference
Report Number:
INIS-BR-9195
Resource Relation:
Conference: 19. CBECIMAT: Brazilian congress on engineering and materials science, 19. CBECIMAT: Congresso brasileiro de engenharia e ciencia dos materiais, Campos do Jordao, SP (Brazil), 21-25 Nov 2010; Other Information: Code: 413-055.pdf
Subject:
36 MATERIALS SCIENCE; AMIDES; AMMONIA; BENTONITE; CRYSTALLOGRAPHY; DECOMPOSITION; DIFFERENTIAL THERMAL ANALYSIS; DIFFUSE SCATTERING; MEMBRANES; MONTMORILLONITE; PERMEABILITY; POLYAMIDES; PROTEINS; STRUCTURAL CHEMICAL ANALYSIS; THERMAL GRAVIMETRIC ANALYSIS; TRANSITION HEAT; X RADIATION; X-RAY DIFFRACTION; CHEMICAL ANALYSIS; CHEMICAL REACTIONS; CLAYS; COHERENT SCATTERING; DIFFRACTION; ELECTROMAGNETIC RADIATION; ENTHALPY; GRAVIMETRIC ANALYSIS; HYDRIDES; HYDROGEN COMPOUNDS; INORGANIC ION EXCHANGERS; ION EXCHANGE MATERIALS; IONIZING RADIATIONS; MATERIALS; MINERALS; NITROGEN COMPOUNDS; NITROGEN HYDRIDES; ORGANIC COMPOUNDS; ORGANIC NITROGEN COMPOUNDS; ORGANIC POLYMERS; PHYSICAL PROPERTIES; POLYMERS; QUANTITATIVE CHEMICAL ANALYSIS; RADIATIONS; SCATTERING; SILICATE MINERALS; THERMAL ANALYSIS; THERMODYNAMIC PROPERTIES
OSTI ID:
21460471
Research Organizations:
Associacao Brasileira de Ceramica (ABC), Sao Paulo, SP (Brazil); Associacao Brasileira de Metalurgia, Materiais e Mineracao (ABM), Sao Paulo, SP (Brazil); Associacao Brasileira de Polimeros (ABPol), Sao Paulo, SP (Brazil)
Country of Origin:
Brazil
Language:
Portuguese
Other Identifying Numbers:
TRN: BR11V1816056394
Availability:
Available from INIS in electronic form
Submitting Site:
BRN
Size:
8 p. pages
Announcement Date:
Aug 02, 2011

Citation Formats

Medeiros, K.M. de, Kojuch, L R, Araujo, E M, Lira, H.L., E-mail: keilamm@ig.com.b, and Lima, F. Comparative study by TG and DSC Of membranes polyamide66/bentonite clay nanocomposite; Estudo comparativo por TG e DSC de membranas de nanocompositos poliamida66/argila bentonitica. Brazil: N. p., 2010. Web.
Medeiros, K.M. de, Kojuch, L R, Araujo, E M, Lira, H.L., E-mail: keilamm@ig.com.b, & Lima, F. Comparative study by TG and DSC Of membranes polyamide66/bentonite clay nanocomposite; Estudo comparativo por TG e DSC de membranas de nanocompositos poliamida66/argila bentonitica. Brazil.
Medeiros, K.M. de, Kojuch, L R, Araujo, E M, Lira, H.L., E-mail: keilamm@ig.com.b, and Lima, F. 2010. "Comparative study by TG and DSC Of membranes polyamide66/bentonite clay nanocomposite; Estudo comparativo por TG e DSC de membranas de nanocompositos poliamida66/argila bentonitica." Brazil.
@misc{etde_21460471,
title = {Comparative study by TG and DSC Of membranes polyamide66/bentonite clay nanocomposite; Estudo comparativo por TG e DSC de membranas de nanocompositos poliamida66/argila bentonitica}
author = {Medeiros, K.M. de, Kojuch, L R, Araujo, E M, Lira, H.L., E-mail: keilamm@ig.com.b, and Lima, F}
abstractNote = {In this study, it was obtained membranes of nanocomposites polyamide66 with 3 and 5% bentonite clay consists of silicates in layers from the interior of Paraiba. The clay was treated with a quaternary ammonium salt in order to make it organophilic. The membranes were prepared by phase inversion technique from the nanocomposites in solution. The clays were characterized by X-ray diffraction (XRD) and thermogravimetry (TG). Also the membranes were characterized by differential scanning calorimetry (DSC) and TG. The XRD and TG confirmed the presence of salt in the clay and thermal stability of the treated clay. For DSC, it was observed that there was no change in melting temperature of the membranes of nanocomposites compared to membrane pure polyamide66. By TG, it was found that the decomposition of the membranes of polyamide66 with treated clay were higher compared with the untreated clay. (author)}
place = {Brazil}
year = {2010}
month = {Jul}
}