Propriedades mecânicas de nanocompósitos de polipropileno e montmorilonita organofílica
TLDR
In this article, a mixture of polypropylene and commercial montmorillonite organophilic Cloisite 20A is used to construct a twoswrew extruder for melting.Abstract:
Nanocomposites of polypropylene and commercial montmorillonite organophilic Cloisite 20A containing 2.5%, 5%, 7.5% and 10% of clay with polypropylene-graft-maleic anhydride as coupling agent were prepared through the melt intercalation by twin-screw extruder. The materials were characterized by x-ray diffraction, tensile and impact properties according to ASTM D638 and D256 test methods, respectively. The x-ray diffraction results showed exfoliated or intercalated structures for different concentrations of the clay. The tensile modulus improved with the increase of the amount of the clay while the impact strength showed unsatisfactory results.read more
Citations
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Rheological study of polymeric fluids based on HPAM and fillers for application in EOR
TL;DR: In this paper , the authors presented and evaluated fluids containing partially hydrolyzed polyacrylamide (HPAM) and two reinforcement fillers, SiO 2 and coal fly ash (CFA), aiming to increase the thermal stability of HPAM.
DissertationDOI
Estudo e desenvolvimento de nanocompósitos pbt/argila bentonita tratados por radiação ionizante - preparação e caracterização
TL;DR: In this article, the preparation and characterization of composites based on poly (butylene terephthalate) PBT and brazilian modified clay prepared by the melt intercalation is described.
Journal ArticleDOI
Purificação e organofilização em escala piloto de argilas bentoníticas com tensoativo não iônico e aplicação em nanocompósitos poliméricos
Wilma Sales Cavalcanti,Gustavo F. Brito,Pankaj Agrawal,Tomas Jefferson Alves de Mélo,Gelmires de Araújo Neves,Mísia Macedo Dantas +5 more
TL;DR: In this article, two types of bentonite clay (green and grey) with nonionic surfactant were used to purify and organophilize on a pilot scale for nanocomposites with polypropylene (PP) matrix.
References
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Xiaohui Liu,Xiaohui Liu,Qiuju Wu +2 more
TL;DR: In this article, a polypropylene (PP)/clay nanocomposites (PPCN) were prepared via grafting-melt compounding by using a new kind of co-intercalation organophilic clay which had a larger interlayer spacing than the ordinarily organophilous clay only modified by alkyl ammonium.
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