2015
DOI: 10.1002/app.43270
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Modification of pristine multiwalled carbon nanotube by grafting with poly(methyl methacrylate) using benzoyl peroxide initiator

Abstract: Multiwalled carbon nanotube was successfully grafted with poly(methyl methacrylate) by free radical mechanism using benzoyl peroxide initiator. The reaction was carried out in situ, where the initiator and methyl methacrylate monomer generated the polymer-free radical that was subsequently grafted to the surface of the pristine multiwalled carbon nanotube. The multiwalled carbon nanotube grafted poly(methyl methacrylate) (MWCNT-g-PMMA) were characterized using Fourier transform infrared, differential scanning … Show more

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Cited by 4 publications
(6 citation statements)
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“…Since isotactic PMMA has a low T g and is therefore only of limited use for thermoplastic applications, 56,57 these metal-free alternatives might offer an attractive access to more suitable, toluene-borne material once polymerizations can be conducted in a more controlled manner. Another field of potential application might be the polymerization of divinyl monomers, an area traditionally challenging for conventional anionic polymerization.…”
mentioning
confidence: 99%
“…Since isotactic PMMA has a low T g and is therefore only of limited use for thermoplastic applications, 56,57 these metal-free alternatives might offer an attractive access to more suitable, toluene-borne material once polymerizations can be conducted in a more controlled manner. Another field of potential application might be the polymerization of divinyl monomers, an area traditionally challenging for conventional anionic polymerization.…”
mentioning
confidence: 99%
“…[22][23][24] With the intent to use epoxy-functional thermoplastics as resin modifiers, copolymers were created with varying amounts of MMA, a widely available and common methacrylate monomer with desirable physical attributes and properties, including a T g of approximately 110 C and its methacrylate structure. 25 In addition, poly(MMA) forms a homogeneous solution with the epoxy resin DGEBA, does not react in any post-polymerization modifications of the oxirane group present on the epoxy-methacrylate monomers, and has been used to toughen epoxy resin systems in previously published work. 6,14,[25][26] The epoxyfunctional thermoplastic copolymers were synthesized via reversible addition-fragmentation chain transfer (RAFT) reactions, allowing for the preparation of low molecular weight (~10-20 kDa) epoxy-functional thermoplastic copolymers, confirmed via 1 H-NMR spectroscopy and size exclusion chromatography (SEC).…”
Section: Introductionmentioning
confidence: 99%
“…25 In addition, poly(MMA) forms a homogeneous solution with the epoxy resin DGEBA, does not react in any post-polymerization modifications of the oxirane group present on the epoxy-methacrylate monomers, and has been used to toughen epoxy resin systems in previously published work. 6,14,[25][26] The epoxyfunctional thermoplastic copolymers were synthesized via reversible addition-fragmentation chain transfer (RAFT) reactions, allowing for the preparation of low molecular weight (~10-20 kDa) epoxy-functional thermoplastic copolymers, confirmed via 1 H-NMR spectroscopy and size exclusion chromatography (SEC). When used as resin modifiers, fairly low molecular weights (~10 kDa) of thermoplastics have been shown to impart increased toughness to cured epoxy resins; therefore, molecular weights of 10-20 kDa were chosen for the epoxy-functional thermoplastic copolymers.…”
Section: Introductionmentioning
confidence: 99%
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“…Particularly, poly(methyl methacrylate) (PMMA) is a biocompatible material that finds widespread use in the biomedical, pharmaceutical, and biotechnological fields, and is produced commercially through heterogeneous emulsion and suspension polymerizations. [10,11] For this reason, the present work initially investigated the stabilization of aqueous dispersions of MMA with bacterial cellulose nanofibrils pre-treated with TEMPO. After that, the use of nanocellulose was evaluated as pickering stabilizer in surfactant-free polymerizations performed at distinct reaction conditions.…”
Section: Introductionmentioning
confidence: 99%