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Compatibility Effect on the Thermal Degradation Behaviour of Polypropylene Blends with Polyamide 6, Ethylene Propylene Diene Copolymer and Polyurethane by J. Roeder; R.V.B. Oliveira; D. Becker; M.W. Gonçalves; V. Soldi; A.T.N. Pires is a Materials Science article available to read on EtoBox.

What is Compatibility Effect on the Thermal Degradation Behaviour of Polypropylene Blends with Polyamide 6, Ethylene Propylene Diene Copolymer and Polyurethane about?

The morphology and thermal behaviour of polypropylene/polyamide 6 (PP/PA6), polypropylene/copolymer ethylene propylene diene (PP/PEBAX) and polypropylene/rigid polyurethane (PP/PUR) blends compatibilised with polypropylene-graft-maleic anhydride (PP-g-MA) were studied using scanning electron microscopy and thermogravimetric analyses. The study focuses on the influence of different blends obtained by mixing a thermoplastic, thermoplastic elastomer or thermoset with PP, compatibilised with PP-g-MA. The compatibilising effect of PP-g-MA in an immiscible PP/PA6 blend induces a homogeneous dispersion due to interfacial adhesion. For the PP/PEBAX and PP/PUR binary blends studied slight changes in the morphology were observed with a continuous phase but the PEBAX or PUR domains remained in the PP matrix. The deconvolution of the TGA curve permitted an evaluation of the decomposition stage of the undiluted and blend systems. Thermal stability is slightly influenced by the position of the maximum decomposition rate temperature of the first derivative thermogravimetric curve (DTG). However, the DTG curve profile remains consistent. The activation energy of undiluted PP was in the range of 16

Who reads Compatibility Effect on the Thermal Degradation Behaviour of Polypropylene Blends with Polyamide 6, Ethylene Propylene Diene Copolymer and Polyurethane?

Author

J. Roeder; R.V.B. Oliveira; D. Becker; M.W. Gonçalves; V. Soldi; A.T.N. Pires

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0141-3910)

Published

2005

Language

EN

Field

Materials Science (Physical Sciences)