Pre-treatment of CaCO3 nanofiller by irradiation in the presence of vinyl monomers for the preparation of poly(vinyl acetate) composites

Verfasser / Beitragende:
[Mirela Leskovac, Vera Kovačević, Sanja Lučić Blagojević, Domagoj Vrsaljko, Vesna Volovšek]
Ort, Verlag, Jahr:
2004
Enthalten in:
e-Polymers, 4/1(2004-12-01), 348-360
Format:
Artikel (online)
ID: 378903233
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024 7 0 |a 10.1515/epoly.2004.4.1.348  |2 doi 
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245 0 0 |a Pre-treatment of CaCO3 nanofiller by irradiation in the presence of vinyl monomers for the preparation of poly(vinyl acetate) composites  |h [Elektronische Daten]  |c [Mirela Leskovac, Vera Kovačević, Sanja Lučić Blagojević, Domagoj Vrsaljko, Vesna Volovšek] 
520 3 |a Poly(vinyl acetate) (PVAc) composites were prepared by different approaches, namely (i) by mechanical mixing of untreated CaCO3 and PVAc, (ii) by mechanical mixing of CaCO3 pre-treated by irradiation polymerization in the presence of vinyl acetate, and (iii) by in situ emulsion polymerization of VAc in the presence of untreated CaCO3 nanofiller. The effects of nanoparticle pre-treatment and different approaches of preparation were correlated with changes in morphology and mechanical properties of PVAc composites using scanning electron microscopy and tensile tests. Untreated CaCO3 nanoparticles in the composite prepared by mechanical mixing provided strong interactions with the PVAc matrix. On the other hand, CaCO3 pre-treated nanoparticles decreased the interfacial interactions. For composites prepared by in situ polymerization a better dispersion of encapsulated nanoparticles was achieved and, as a result, a significant improvement of composite strength was observed. Interfacial interactions in nanocomposites can be changed by filler pre-treatment or by a suitable way of nanocomposite preparation. 
540 |a © 2013 by Walter de Gruyter GmbH & Co. 
700 1 |a Leskovac  |D Mirela  |u Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 19, 10000 Zagreb, Croatia; Fax ++385-1-4597260  |4 aut 
700 1 |a Kovačević  |D Vera  |u Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 19, 10000 Zagreb, Croatia; Fax ++385-1-4597260  |4 aut 
700 1 |a Lučić Blagojević  |D Sanja  |u Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 19, 10000 Zagreb, Croatia; Fax ++385-1-4597260  |4 aut 
700 1 |a Vrsaljko  |D Domagoj  |u Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 19, 10000 Zagreb, Croatia; Fax ++385-1-4597260  |4 aut 
700 1 |a Volovšek  |D Vesna  |u Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 19, 10000 Zagreb, Croatia; Fax ++385-1-4597260  |4 aut 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Leskovac  |D Mirela  |u Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 19, 10000 Zagreb, Croatia; Fax ++385-1-4597260  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Kovačević  |D Vera  |u Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 19, 10000 Zagreb, Croatia; Fax ++385-1-4597260  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Lučić Blagojević  |D Sanja  |u Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 19, 10000 Zagreb, Croatia; Fax ++385-1-4597260  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Vrsaljko  |D Domagoj  |u Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 19, 10000 Zagreb, Croatia; Fax ++385-1-4597260  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Volovšek  |D Vesna  |u Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 19, 10000 Zagreb, Croatia; Fax ++385-1-4597260  |4 aut 
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