Argilas organofílicas: características, metodologias de preparação, compostos de intercalação e técnicas de caracterização
TLDR
This paper present a revisao bibliografica sobre argilas organofilicas, especialmente as obtidas a partir de bentonitas e de sais quaternarios de amonio.Abstract:
As argilas sao materiais muito usados e que atualmente apresentam inumeras aplicacoes devido as interessantes propriedades que apresentam. A modificacao superficial de argilas e uma area que tem recebido bastante atencao dos pesquisadores porque por meio dos diversos tipos de modificacao e possivel a preparacao de novos materiais e novas aplicacoes. Este trabalho tem como objetivo apresentar uma revisao bibliografica sobre argilas organofilicas, especialmente as obtidas a partir de bentonitas e de sais quaternarios de amonio. Diversos estudos vem sendo realizados baseados em diferentes tecnicas e parâmetros de sintese desses materiais, incluindo argilas de diferentes regioes e diferentes agentes de modificacao, bem como as diferentes aplicacoes que sao propostas.read more
Citations
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Journal ArticleDOI
Mineral adsorbents for prevention of mycotoxins in animal feeds
Mayra Carraro Di Gregorio,Diane Valganon de Neeff,Alessandra Vincenzi Jager,Carlos Humberto Corassin,Ágatha Cristina de Pinho Carão,Ricardo de Albuquerque,Antonio Carlos de Azevedo,Carlos Augusto Fernandes de Oliveira +7 more
TL;DR: The most important types of mineral adsorbents [aluminosilicates, HSCAS, bentonites (montmorillonites), zeolites, sepiolite, diatomite and activated carbons] used in feeds, especially for poultry and pigs, and their adsorption mechanisms as mentioned in this paper.
BookDOI
Advances in Diverse Industrial Applications of Nanocomposites
TL;DR: Biological Sciences (20) Computer and Information Science (115) Earth Sciences (19) Electrical and Electronic Engineering (135) Engineering (90) Materials Science (31) Ceramics (2) Composite Materials and Structures (1) Electronic Materials (4) Fibre science (3) Lithium Batteries (1), Materials Science and Engineering (9) Nanomaterials (10) Polymers (2), Smart Materials (1, Medicine (21) Technology (39)
Journal ArticleDOI
Functional magnetic nanoparticle/clay mineral nanocomposites: preparation, magnetism and versatile applications
Liang Chen,Liang Chen,Chun Hui Zhou,Chun Hui Zhou,Chun Hui Zhou,Saverio Fiore,Dong Shen Tong,Hao Zhang,Chun Sheng Li,Sheng Fu Ji,Wei Hua Yu +10 more
TL;DR: In this article, a review of recent preparation strategies, properties and applications of magnetic nanoparticles/clay mineral (MNP/CM) nanocomposites is presented, which is organized into five sections.
Journal ArticleDOI
Cellulose acetate active films incorporated with oregano (Origanum vulgare) essential oil and organophilic montmorillonite clay control the growth of phytopathogenic fungi
Cícero C. Pola,Eber Antonio Alves Medeiros,Olinto Liparini Pereira,Victor Gomes Lauriano Souza,Caio G. Otoni,Geany Peruch Camilloto,Nilda de Fátima Ferreira Soares +6 more
TL;DR: In this article, a cellulose acetate (CAc) incorporated with different concentrations of oregano essential oil (OEO) and organophilic montmorillonite clay (MMT30B) was used to control the growth of phytopathogenic fungi.
Book ChapterDOI
Nanocomposites in Food Packaging – A Review
TL;DR: In this paper, the main types of nanostructures are presented according to their primary functions/applications in food packaging systems, and some structures can have multiple applications, and sometimes applications can overlap.
References
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Journal ArticleDOI
Polymer-layered silicate nanocomposites: preparation, properties and uses of a new class of materials
TL;DR: In this article, a review of polymer-layered silicate nanocomposites is presented, where the polymer chains are sandwiched in between silicate layers and exfoliated layers are more or less uniformly dispersed in the polymer matrix.
Journal ArticleDOI
Polymer-layered silicate nanocomposites: an overview
TL;DR: An overview of polymer-clay hybrid nanocomposites is provided with emphasis placed on the use of alkylammonium exchanged smectite clays as the reinforcement phase in selected polymer matrices as discussed by the authors.
Journal ArticleDOI
An assessment of high voltage electron microscopy (HVEM). An invited review
M.H. Loretto,R.E. Smallman +1 more
TL;DR: High voltage electron microscopy (HVEM) has been extensively applied in the field of materials science as discussed by the authors, covering the study of heavy metals, ceramics and minerals, large-scale structures, dynamic processes and radiation damage.