Journal of Materials, Processes and Environment
Volume 1, Numéro 1, Pages 1-4
2013-05-03
Effect Of Sebs-g-mah As A Compatibilizer On The Structure-property Relationships Of R-pet/ipp/montmorillonite Blends
Authors : Hellati Abdelhak .
Abstract
The mecanical, thermal and structural study of the blends of recycled amorphous polyethylene terephthalate (PET) with isotactic polypropylene (iPP) with a SEBS-g-MAH compatibilizer in different proportions is reported. The physical study of the composites of the compatibilized blends with 5% Montmorillonite is also discussed. The analysis, performed by means of wide-angleX-ray scattering, differential scanning calorimetry and microindentation techniques, permits us to describe, at microscale level, the role of the compatibilizer on the structure and microhardness of the polymer blends that we studied. The results reveal that PET was incompatible with iPP . However, the presence of the compatibilizer a styrene ethylene butylene styrene block copolymer grafted with maleic anhydride, allowed the compatibilization of these polymers. In the PET/iPP blends, the clay seemed to have a nucleating effect on the iPP and also induced a hardness increase in the compatibilized blends. On the other hand, the crystallinity of these samples (pure blends, blends with compatibilizer, and blends with compatibilizer plus clay) only depended on their composition and is almost unaffected;
Keywords
Blends compatibilization; differential scanning calorimetry (DSC) hardness; WAXS;
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