Polyamide 66/Brazilian Clay Nanocomposites | Zendy

Edcleide Maria Araújo | Zendy; Kelvin C. Araújo | Zendy; Renê Anísio da Paz | Zendy; T. R. Gouveia | Zendy; Renata Barbosa | Zendy; Edson N. Ito | Zendy

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Polyamide 66/Brazilian Clay Nanocomposites

Author(s) -

Edcleide Maria Araújo,

Kelvin C. Araújo,

Renê Anísio da Paz,

T. R. Gouveia,

Renata Barbosa,

Edson N. Ito

Publication year - 2008

Publication title -

journal of nanomaterials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.463

H-Index - 66

eISSN - 1687-4129

pISSN - 1687-4110

DOI - 10.1155/2009/136856

Subject(s) - materials science , montmorillonite , nanocomposite , thermogravimetry , polyamide , differential scanning calorimetry , thermal stability , intercalation (chemistry) , organoclay , composite material , transmission electron microscopy , chemical engineering , organic chemistry , nanotechnology , chemistry , physics , engineering , thermodynamics

Polyamide 66 (PA66)/Brazilian clay nanocomposites were produced via direct melt intercalation. A montmorillonite sample from the Brazilian state of Paraíba was organically modified with esthearildimethylammonium chloride (Praepagen), quaternary ammonium salt and has been tested to be used in polymer nanocomposites. The dispersion analysis and the interlayer spacing of the clay particles in matrix were investigated by X-ray diffraction (XRD) and transmission electron microscopy (TEM). Thermal behavior of the obtained systems was investigated by differential scanning calorimetry (DSC), thermogravimetry (TG), and heat deflection temperature (HDT) was reported too. The nanocomposites exhibited a partially exfoliated structure, very interesting HDT values which are higher than those of pure PA66, and good thermal stability

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