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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Donescu, Dan
in Cooperation with on an Cooperation-Score of 37%
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Publications (3/3 displayed)
- 2014Nanocomposites based on MWCNT and polystyrene, styrene-acrylonitrile copolymer, or polymethylmethacrylate, obtained by miniemulsion polymerizationcitations
- 2013Compatibilizing agents influence on mechanical properties of PP/clay nanocomposites
- 2007Filmogen organic-inorganic hybrids obtained by sol-gel in the presence of cationic polymer
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article
Compatibilizing agents influence on mechanical properties of PP/clay nanocomposites
Abstract
S-a investigat din punct de vedere mecanic influenţa concentraţiei de argilă<br/>şi a utilizării unui sistem cu doi agenţi de compatibilizare. Argila Cloisite –Na a fost<br/>modificată organic cu o polietermonoamină, iar, ca agent de compatibilizare<br/>secund, s-a adăugat polipropilena maleinizată (MA-PP) sau stiren-etilen-butilenstirenul<br/>maleinizat (MA-SEBS). Nanocompozitele de polipropilenă astfel obţinute au<br/>prezentat cristalinitate şi grosime lamelară crescută. Nanocompozitele cu MA-PP<br/>au prezentat, în general, proprietăţi mecanice îmbunătăţite, în special rezistenţa la<br/>tracţiune, rezistenţa la fluaj şi la testare ciclică, în timp ce nanocompozitele cu MASEBS<br/>au prezentat o îmbunătăţire a curgerii superioare şi o creştere a ductilităţii.<br/>The influence of Clay concentration and of two compatibilizers system use<br/>was investigated from mechanical point of view. Cloisite-Na Clay was organically<br/>modified with a polyethermonoamine and, as second compatibilizer, the maleated<br/>polypropylene (MA-PP) or maleated styrene-ethylene-buthylene-styrene (MA-SEBS)<br/>were added. Polypropylene nanocomposites with increased crystalline phase and<br/>lamellar thickness were obtained. The nanocomposites with MA-PP showed an<br/>overall improvement in mechanical properties, especially in tensile strength, creep<br/>strain and cyclic test, while those with MA-SEBS presented an improvement in neck<br/>propagation, as well as an increase in ductility.