Results 101 to 110 of about 3,968 (205)

Effects of Preparation Methods of Organoclays with Polyvinyl Alcohol in their Compatibility with HDPE. Thermal Stability [PDF]

, 2013
In this paper, the effect of polyvinyl alcohol addition on organoclay obtained by in situ polymerization and subsequent alcoholysis of polyvinyl acetate is studied. The incorporation of the monomer is carried out following two procedures.
Carrera, María Celeste, Destefanis, Hugo Alberto, Erdmann, Eleonora   +2 more
core   +1 more source

Static Sorption of Phenol and 4-Nitrophenol onto Composite Geomaterials based on Montmorillonite, Activated Carbon and Cement

, 2014
International audienceThis paper studies the sorption of phenol and 4-nitrophenol (4NP) onto solid sorbents derived from mixtures of montmorillonite, activated carbon (AC) and cement, denoted herein MACC.
Baudu, Michel, Bollinger, Jean-Claude, Bouras, Omar, Hamdi, Boualem, Houari, Mohamed   +4 more
core   +3 more sources

Characterization of natural clays from italian deposits with focus on elemental composition and exchange estimated by edx analysis: potential pharmaceutical and cosmetic uses [PDF]

, 2016
Purification processes performed on natural clays to select specific clay minerals are complex and expensive and can lead to over-exploitation of some deposits.
Bellini, Alessia, IANNUCCELLI, Valentina, LEO, Eliana Grazia, MARETTI, ELEONORA, MISELLI, Paola, ROMAGNOLI, Marcello, SACCHETTI, FRANCESCA, TRUZZI, ELEONORA   +7 more
core   +1 more source

Thermooxidative stability of PMMA composites [PDF]

, 2012
Tato práce se zabývá studiem termooxidační stability kompozitů polymethylmethakrylátu (PMMA) plněného mikro a nanočásticemi siliky. V připravených vzorcích byly použity různé objemové zlomky a různé velikosti částic siliky.
Čechová, Eva
core  

Obtaining and characterizing dental hybrid composites with clay or silica nanoparticles and boron-aluminum-silicate glass microparticles

Polímeros
The aim of the present work was the obtaining and characterization of dental hybrid composites using nanoparticles (clay or silica) and boron-aluminum-silicate microparticles.
Lívia Rodrigues de Menezes, Emerson Oliveira da Silva   +1 more
doaj   +1 more source

Organofilização de argilas bentoníticas com tensoativos não- iônicos visando seu uso em fluidos de perfuração base óleo Nonionic surfactants organophilization bentonite clays aiming their use in oil base drilling fluids

Cerâmica, 2012
O uso de tensoativos não iônicos vem substituindo os tradicionais tensoativos iônicos dentre outros motivos pelo seu elevado potencial de resistência a degradação térmica.
I. A. Silva, J. M. R. Costa, H. S. Ferreira, R. R. Menezes, G. A. Neves, H. C. Ferreira   +5 more
doaj   +1 more source

Rheological characteristics PBAT/organoclay compounds

REM: International Engineering Journal
The rheological behavior of poly (butylene adipate-co-terephthalate) (PBAT) and its composites prepared with three different organoclays was investigated.
Tiago Tibério dos Santos, Tatiara Gomes Almeida, Camila Ariana Becker Pereira, Pankaj Agrawal, Eduardo Luis Canedo, Laura Hecker de Carvalho   +5 more
doaj   +1 more source

Swelling of organoclays in styrene. Effect on flammability in polystyrene nanocomposites

eXPRESS Polymer Letters, 2010
In this work the effect of the compatibility between organoclays and styrene on the flammability of polystyrene/clay nanocomposites obtained through in situ incorporation was investigated. The reactions were carried out by bulk polymerization.
doaj   +1 more source

Formulaciones basadas en organoarcilla para reducir el im­pacto producido por el uso de herbicidas en suelos de olivar Organoclay-based formulations to reduce the environmental impact caused by herbicides commonly applied to olive groves

Revista de Ciências Agrárias, 2010
Los repetidos episodios de contaminación de aguas superficiales y subterráneas origi­nados por herbicidas utilizados en el cultivo del olivar son motivo de una gran preocupa­ción en muchas regiones mediterráneas.
C. Trigo, R. Celis, G. Facenda, J. Cornejo   +3 more
doaj  

Nanocompósitos de poliamida 6 e argila organofílica: estudo da cristalinidade e propriedades mecânicas Nanocomposites of polyamide 6 and organoclay: crystallinity and study of mechanical properties

Polímeros, 2011
Nanocompósitos de poliamida 6 e argila organofílica claytone 40 foram preparados por intercalação por fusão, utilizando misturador de câmara interna equipado com rotores do tipo Roller.
Marcelo F. L. de Oliveira, Márcia G. de Oliveira, Márcia C. A. M. Leite   +2 more
doaj