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izvor podataka: crosbi

The surface energy as an indicator of miscibility of SAN/EPDM polymer blends (CROSBI ID 192243)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Ptiček Siročić, Anita ; Hrnjak-Murgić, Zlata ; Jelenčić, Jasenka The surface energy as an indicator of miscibility of SAN/EPDM polymer blends // Journal of adhesion science and technology, 27 (2014), 24; 2615-2628. doi: 10.1080/01694243.2013.796279

Podaci o odgovornosti

Ptiček Siročić, Anita ; Hrnjak-Murgić, Zlata ; Jelenčić, Jasenka

engleski

The surface energy as an indicator of miscibility of SAN/EPDM polymer blends

Surface properties of blends prepared of styrene-acrylonitrile (SAN) and ethylene-propylene-diene (EPDM) changing the homopolymer proportions and compatibilized by high impact polystyrene (HIPS) has been studied by contact angle measurement. The surface free energy of interphase of homopolymers pairs, work of adhesion and wetting coefficient were calculated using Wu´s geometric mean method and the total surface free energy and acid-base components of the blends by using van Oss, Good and Chaudhury method. Blends were also characterized by determination of dynamic mechanic properties (DMA) and by scanning electron microscopy (SEM). The miscibility of studied blends was estimated through changes of surface free energy, energy of interface and through the shifts of glass transition temperature and changes in morphology. From the results it can be seen that added compatibilizer reduce the interface energy and provide more homogenous system by interfacial segregation and rearrangements of molecules at the blend surface. The results of morphological observations reveal that the addition of a small percentage of compatibilizer decreases the domain size of the dispersed phase and enhances the compatibility of the blends.

styrene-acrylonitrile; ethylene-propylene-diene monomer; compatibility; surface energy; dynamic properties; acid-base interactions

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Podaci o izdanju

27 (24)

2014.

2615-2628

objavljeno

0169-4243

10.1080/01694243.2013.796279

Povezanost rada

Kemijsko inženjerstvo

Poveznice
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