This investigation reports the first application of admicellar polymerization to cellulose nanofibers in the form of bacterial cellulose, microfibrillated cellulose, and cellulose nanowhiskers using styrene and ethyl acrylate. The success of this physical sleeving was assessed by SEM, FTIR, and contact angle measurements, providing an original and simple approach to the modification of cellulose nanofibers in their pristine aqueous environment.
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http://dx.doi.org/10.1016/j.jcis.2013.06.072 | DOI Listing |
Biomacromolecules
February 2019
Fiber and Polymer Technology , KTH Royal Institute of Technology, Teknikringen 56 , SE-100 44 Stockholm , Sweden.
A water-based one-pot synthesis strategy for converting cellulose nanofibrils (CNF) into a hydrophobic and processable biopolymer grade is devised. CNF was chemically modified through admicellar polymerization, producing fibrils coated with fatty acrylate polymers. The proposed modification targets a change in the interfibrillar interactions and improved CNF compatibility with a degradable plastic composite matrix, poly(butylene adipate- co-terephthalate), PBAT in composites prepared by melt extrusion.
View Article and Find Full Text PDFJ Phys Chem B
April 2015
†Department of Chemical Engineering, University College London, Torrington Place, London WC1E 7JE, United Kingdom.
Self-assembly is widely seen as the method of choice for the bottom-up manufacture of supra-colloidal aggregates. Surfactants have been used extensively to appreciate qualitatively and quantify driving forces and methodologies for controlling self-assembling processes and the resultant self-assembled aggregates. However, not much is known regarding self-assembled surfactant aggregates formed on heterogeneous surfaces.
View Article and Find Full Text PDFJ Biomater Sci Polym Ed
March 2015
a Center of Excellence on Petrochemical and Materials Technology (PETROMAT), Soi Chula 12, Phyathai Rd., Pathumwan, Bangkok 10330 , Thailand.
Neuronal activities play critical roles in both neurogenesis and neural regeneration. In that sense, electrically conductive and biocompatible biomaterial scaffolds can be applied in various applications of neural tissue engineering. In this study, we fabricated a novel biomaterial for neural tissue engineering applications by coating electrospun poly(lactic acid) (PLA) nanofibers with a conducting polymer, polypyrole (PPy), via admicellar polymerization.
View Article and Find Full Text PDFLangmuir
April 2014
School of Chemical, Biological and Materials Engineering, Institute of Applied Surfactant Research, University of Oklahoma, 100 E. Boyd, SEC T335, Norman, Oklahoma 73019 United States.
The adsorption of surfactants and adsolubilization of organic compounds on knit cotton fabric are fundamentally important in admicellar polymerization to impart characteristics like water repellency, stain resistance, and flame retardancy. The main objective of this research is to study adsorption and adsolubilization of fluororsurfactants and fluoromonomers used to obtain water repellency characteristics. Adsorption of nonionic (fluoroaliphatic amine oxide) and cationic (fluoroaliphatic quaternary ammonium surfactant) fluororsurfactants at the interface of cotton is investigated with and without fluoroacrylate monomers.
View Article and Find Full Text PDFJ Colloid Interface Sci
October 2013
Instituto de Química, Universidade Estadual Paulista Júlio de Mesquita Filho, UNESP, 14801-970 Araraquara, SP, Brazil.
This investigation reports the first application of admicellar polymerization to cellulose nanofibers in the form of bacterial cellulose, microfibrillated cellulose, and cellulose nanowhiskers using styrene and ethyl acrylate. The success of this physical sleeving was assessed by SEM, FTIR, and contact angle measurements, providing an original and simple approach to the modification of cellulose nanofibers in their pristine aqueous environment.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!