Results 21 to 30 of about 128,046 (304)

Preparation of a PVDF/PVDF-g-(PSSS-co-PAA) graft copolymerization-blending cation exchange material and effects of the synthesis method on the material structures and properties

eXPRESS Polymer Letters, 2021
In this study, a PVDF/PVDF-g-(PSSS-co-PAA) graft copolymerization-blending cation exchange material was synthesized with polyvinylidene fluoride (PVDF), sodium p-styrene sulfonate (SSS) and acrylic acid (AA) by the methods of solution polymerization and ...
S. W. Sun, X. L. Gao
doaj   +1 more source

Comparison of the Porous Structure of Polymeric Beads Obtained by Modified Suspension and Multi-Step Swelling Polymerizations

Adsorption Science & Technology, 2006
The porous structures of the polymeric beads obtained by modified suspension and multi-step swelling polymerizations were studied. A porous styrene–divinylbenzene copolymer (ST–DVB) was synthesized in the modified suspension polymerization.
Barbara Gawdzik, Małgorzata Maciejewska, Stanisław Pikus   +2 more
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Modelagem da polimerização simultânea de estireno em suspensão e emulsão Modeling styrene simultaneous suspension and emulsion polymerization systems

Polímeros, 2004
Apesar dos processos de polimerização em suspensão e emulsão serem processos heterogêneos, cada um origina características peculiares para a distribuição de tamanho de partículas, distribuição de pesos moleculares, taxa de nucleação das partículas de ...
Marcelo K. Lenzi, Enrique L. Lima, José Carlos Pinto   +2 more
doaj   +1 more source

Uma revisão sobre os processos de polimerização em suspensão A review on suspension polymerization processes

Polímeros, 2007
Inúmeros processos podem ser utilizados para produção de materiais poliméricos. Cada processo apresenta características peculiares, que permitem produzir resinas com as mais variadas propriedades, visando a diferentes aplicações do material polimérico ...
Fabricio Machado, Enrique L. Lima, José Carlos Pinto   +2 more
doaj   +1 more source

Nanocomposites and methods for synthesis and use thereof [PDF]

, 2009
Nanocomposite compositions and methods of synthesis of the compositions are described. In particular, liquid crystal-functionalized nanoparticles, liquid crystal-templated nanoparticles, nanocomposite compositions including the nanoparticles, and ...
Furman, Benjamin R., Rawls, H. Ralph, Thompson, Paul M., Wellinghoff, Stephen T.   +3 more
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Isolation and structure of fullerene photodimer, C-120 [PDF]

, 2001
Photopolymerization of C60 was performed on a gram scale via a new monomer transport method. After subsequent extractions of the raw polymer in organic solvents, lOOmg dimer and lOmg mixture of soluble oligomers were yielded.
Kamarás, Katalin, Kováts, Éva, Oszlányi, Gábor, Pekker, Sándor, Pusztai, Tamás   +4 more
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The Dispersion Composition of Polymethylmethacrylate Suspensions and Molecular Weights of Polymers Obtained by Suspension Polymerization in the Presence of Acrylic Copolymers as Surfactants

Тонкие химические технологии, 2019
The dispersion composition of polymer suspensions and molecular weights of polymers obtained by suspension polymerization of MMA in the presence of polymer surfactants – methylmethacrylate and methacrylic acid copolymers – were studied.
I. A. Gritskova, O. A. Satskevich, E. S. Klyuzhin, A. I. L’vovskiy, A. V. Andreeva, N. S. Мukha, M. I. Haddaj, S. M. Levachev   +7 more
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A Review on Polyacrylonitrile as an Effective and Economic Constituent of Adsorbents for Wastewater Treatment

Molecules, 2022
Water gets polluted due to the dumping of untreated industrial waste into bodies of water, particularly those containing heavy metals and dyes. Industrial water contains both inorganic and organic wastes.
Archana Gupta, Vishal Sharma, Pawan Kumar Mishra, Adam Ekielski   +3 more
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Síntese e caracterização de esferas monodispersas de látex e sua utilização no preparo de filmes de cristais coloidais tridimensionais.

Eclética Química, 2018
Polystyrene latex spheres were obtained by free-emulsifier polymerization of styrene. Suspension was characterized by Photon Correlation Spectroscopy (PCS) and Transmission Electron Microscopy (TEM) and were observed to be monodisperse with sizes around ...
Mateus Geraldo Schiavetto, Roberto Bertholdo, Sidney José Lima Ribeiro, Younes Messaddeq   +3 more
doaj   +1 more source

Antimicrobial nano-silver non-woven polyethylene terephthalate fabric via an atmospheric pressure plasma deposition process [PDF]

, 2015
An antimicrobial nano-silver non-woven polyethylene terephthalate (PET) fabric has been prepared in a three step process. The fabrics were first pretreated by depositing a layer of organosilicon thin film using an atmospheric pressure plasma system, then
Aziz, Gaelle, Coenye, Tom, Cools, Pieter, De Geyter, Nathalie, Deng, Xiaolong, Leys, Christophe, Morent, Rino, Nikiforov, Anton   +7 more
core   +1 more source