LrgpV1, Main, Exploration, bibRecord, 000704

Synthesis of Poly(butyl acrylate)-Laponite Nanocomposite Nanoparticles for Improving the Impact Strength of Poly(lactic acid)

Identifieur interne : 000704 ( Main/Exploration ); précédent : 000703; suivant : 000705

Synthesis of Poly(butyl acrylate)-Laponite Nanocomposite Nanoparticles for Improving the Impact Strength of Poly(lactic acid)

Auteurs : YUAN FANG [France] ; Sandrine Hoppe [France] ; Guo-Hua Hu [France] ; Alain Durand [France]

Source :

Journal of applied polymer science [ 0021-8995 ] ; 2013.

RBID : Pascal:14-0005676

Descripteurs français

Pascal (Inist)
- Préparation, Acrylate de butyle polymère, Laponite, Nanocomposite, Résistance choc, Lactique acide polymère, Méthacrylate de méthyle copolymère, Morphologie, Polymérisation émulsion, Particule composite, Polymérisation radicalaire, Propriété mécanique, Module perte, Module Young, Résistance traction, Latex, Méthacrylate copolymère, Copolymère silicium, Silane organique, Matériau renforcé dispersion, Etude expérimentale, Polymère aliphatique, Argile, Matériau composite, Propriété rhéologique, Nanoparticule core shell, Polymérisation miniémulsion, Particule core shell.
Wicri :
- topic : Matériau composite.

English descriptors

KwdEn :
- Aliphatic polymer, Butyl acrylate polymer, Clay, Composite material, Composite particles, Dispersion reinforced material, Emulsion polymerization, Experimental study, Free radical polymerization, Impact strength, Lactic acid polymer, Laponite, Latex, Loss modulus, Mechanical properties, Methacrylate copolymer, Methyl methacrylate copolymer, Morphology, Nanocomposite, Organic silane, Preparation, Rheological properties, Silicon copolymer, Tensile strength, Young modulus.

Abstract

This work aims at preparing and characterizing poly(butyl acrylate) (PBA)-laponite (LRD) nanocomposite nanoparticles and nanocomposite core (PBA-LRD)-shell poly(methyl methacrylate) (PMMA) nanoparticles, on the one hand, and the morphology and properties of poly(lactic acid) (PLA)-based blends containing PBA-LRD nanocomposite nanoparticles or (PBA-LRD)/PMMA core-shell nanoparticles as the dispersed phase, on the other hand. The PBA and (PBA-LRD)/PMMA nanoparticles were synthesized by miniemulsion or emulsion polymerization using LRD platelets modified by 3-methacryloxypropyltrimethoxysilane (MPTMS). The grafting of MPTMS onto the LRD surfaces was characterized qualitatively using FTIR and quantitatively using thermogravimetric analysis (TGA). The amounts of LRD in the PBA-LRD nanocomposites were characterized by TGA. The PBA/PMMA core-shell particles were analyzed by ¹H-NMR. Their morphology was confirmed by SEM and TEM. Mechanical properties of (PBA-LRD)/PLA blends and (PBA-LRD)/PMMA/PLA ones were tested and compared with those of the pure PLA, showing that core-shell particles allowed increasing impact strength of the PLA while minimizing loss in Young modulus and tensile strength.

Affiliations:

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Le document en format XML

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<front><div type="abstract" xml:lang="en">This work aims at preparing and characterizing poly(butyl acrylate) (PBA)-laponite (LRD) nanocomposite nanoparticles and nanocomposite core (PBA-LRD)-shell poly(methyl methacrylate) (PMMA) nanoparticles, on the one hand, and the morphology and properties of poly(lactic acid) (PLA)-based blends containing PBA-LRD nanocomposite nanoparticles or (PBA-LRD)/PMMA core-shell nanoparticles as the dispersed phase, on the other hand. The PBA and (PBA-LRD)/PMMA nanoparticles were synthesized by miniemulsion or emulsion polymerization using LRD platelets modified by 3-methacryloxypropyltrimethoxysilane (MPTMS). The grafting of MPTMS onto the LRD surfaces was characterized qualitatively using FTIR and quantitatively using thermogravimetric analysis (TGA). The amounts of LRD in the PBA-LRD nanocomposites were characterized by TGA. The PBA/PMMA core-shell particles were analyzed by <sup>1</sup>
H-NMR. Their morphology was confirmed by SEM and TEM. Mechanical properties of (PBA-LRD)/PLA blends and (PBA-LRD)/PMMA/PLA ones were tested and compared with those of the pure PLA, showing that core-shell particles allowed increasing impact strength of the PLA while minimizing loss in Young modulus and tensile strength.</div>
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Synthesis of Poly(butyl acrylate)-Laponite Nanocomposite Nanoparticles for Improving the Impact Strength of Poly(lactic acid)

Synthesis of Poly(butyl acrylate)-Laponite Nanocomposite Nanoparticles for Improving the Impact Strength of Poly(lactic acid)

Source :

Descripteurs français

English descriptors

Abstract

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