Serveur d'exploration sur la simulation d'un remplissage de moule

Attention, ce site est en cours de développement !
Attention, site généré par des moyens informatiques à partir de corpus bruts.
Les informations ne sont donc pas validées.

The effect of clay dispersion on the properties of LLDPE/LLDPE‐g‐MAH/montmorillonite nanocomposites

Identifieur interne : 001893 ( Main/Exploration ); précédent : 001892; suivant : 001894

The effect of clay dispersion on the properties of LLDPE/LLDPE‐g‐MAH/montmorillonite nanocomposites

Auteurs : Karen Stoeffler [Canada] ; Pierre G. Lafleur [Canada] ; Johanne Denault [Canada]

Source :

Abstract

In this work, three coupling agents presenting different grafting contents and molecular weights were used to prepare linear low density polyethylene (LLDPE)/linear low density polyethylene grafted with maleic anhydride (LLDPE‐g‐MAH)/montmorillonite nanocomposites with various morphologies. The clay dispersion was analyzed at the micrometric level by scanning electron microscopy and at the nanometric level by X‐ray diffraction (XRD) and transmission electron microscopy (TEM). It was found that coupling agents having intermediate molecular weights led to the highest exfoliation extents, whereas the coupling agent presenting the highest molecular weight led to a poor delamination of the clay platelets. The properties of the nanocomposites produced and of their LLDPE/LLDPE‐g‐MAH reference blends were analyzed. It was shown that the best improvements in mechanical and barrier properties are not necessarily achieved for the nanocomposites, exhibiting the highest exfoliation extents. The length of the tactoids also plays a crucial role on the macroscopic properties. In addition, a high level of delamination could result in a loss of reinforcement effect, due to the inherent flexibility of the individual clay platelets. Finally, the strength of the clay/polymer interface, which was evaluated through surface tension measurements, seems to play a significant role on the properties of the nanocomposites. POLYM. ENG. SCI., 2008. © 2008 Society of Plastics Engineers.


Url:
DOI: 10.1002/pen.21204


Affiliations:


Links toward previous steps (curation, corpus...)


Le document en format XML

<record>
<TEI wicri:istexFullTextTei="biblStruct">
<teiHeader>
<fileDesc>
<titleStmt>
<title xml:lang="en">The effect of clay dispersion on the properties of LLDPE/LLDPE‐g‐MAH/montmorillonite nanocomposites</title>
<author>
<name sortKey="Stoeffler, Karen" sort="Stoeffler, Karen" uniqKey="Stoeffler K" first="Karen" last="Stoeffler">Karen Stoeffler</name>
</author>
<author>
<name sortKey="Lafleur, Pierre G" sort="Lafleur, Pierre G" uniqKey="Lafleur P" first="Pierre G." last="Lafleur">Pierre G. Lafleur</name>
</author>
<author>
<name sortKey="Denault, Johanne" sort="Denault, Johanne" uniqKey="Denault J" first="Johanne" last="Denault">Johanne Denault</name>
</author>
</titleStmt>
<publicationStmt>
<idno type="wicri:source">ISTEX</idno>
<idno type="RBID">ISTEX:3E5F2ADA9E93A21F2D4FF309866C96CE298BF5E5</idno>
<date when="2008" year="2008">2008</date>
<idno type="doi">10.1002/pen.21204</idno>
<idno type="url">https://api.istex.fr/document/3E5F2ADA9E93A21F2D4FF309866C96CE298BF5E5/fulltext/pdf</idno>
<idno type="wicri:Area/Istex/Corpus">001872</idno>
<idno type="wicri:Area/Istex/Curation">001872</idno>
<idno type="wicri:Area/Istex/Checkpoint">001238</idno>
<idno type="wicri:doubleKey">0032-3888:2008:Stoeffler K:the:effect:of</idno>
<idno type="wicri:Area/Main/Merge">001910</idno>
<idno type="wicri:Area/Main/Curation">001893</idno>
<idno type="wicri:Area/Main/Exploration">001893</idno>
</publicationStmt>
<sourceDesc>
<biblStruct>
<analytic>
<title level="a" type="main" xml:lang="en">The effect of clay dispersion on the properties of LLDPE/LLDPE‐g‐MAH/montmorillonite nanocomposites</title>
<author>
<name sortKey="Stoeffler, Karen" sort="Stoeffler, Karen" uniqKey="Stoeffler K" first="Karen" last="Stoeffler">Karen Stoeffler</name>
<affiliation wicri:level="1">
<country xml:lang="fr">Canada</country>
<wicri:regionArea>École Polytechnique de Montréal. C.P. 6079, Succursale Centre‐ville, Montréal (Québec), H3C 3A7</wicri:regionArea>
<wicri:noRegion>H3C 3A7</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Lafleur, Pierre G" sort="Lafleur, Pierre G" uniqKey="Lafleur P" first="Pierre G." last="Lafleur">Pierre G. Lafleur</name>
<affiliation wicri:level="1">
<country xml:lang="fr">Canada</country>
<wicri:regionArea>École Polytechnique de Montréal. C.P. 6079, Succursale Centre‐ville, Montréal (Québec), H3C 3A7</wicri:regionArea>
<wicri:noRegion>H3C 3A7</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Denault, Johanne" sort="Denault, Johanne" uniqKey="Denault J" first="Johanne" last="Denault">Johanne Denault</name>
<affiliation wicri:level="1">
<country xml:lang="fr">Canada</country>
<wicri:regionArea>Institut des Matériaux Industriels. 75, boul. de Mortagne, Boucherville (Québec), J4B 6Y4</wicri:regionArea>
<wicri:noRegion>J4B 6Y4</wicri:noRegion>
</affiliation>
</author>
</analytic>
<monogr></monogr>
<series>
<title level="j">Polymer Engineering & Science</title>
<title level="j" type="abbrev">Polym Eng Sci</title>
<idno type="ISSN">0032-3888</idno>
<idno type="eISSN">1548-2634</idno>
<imprint>
<publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher>
<pubPlace>Hoboken</pubPlace>
<date type="published" when="2008-12">2008-12</date>
<biblScope unit="volume">48</biblScope>
<biblScope unit="issue">12</biblScope>
<biblScope unit="page" from="2459">2459</biblScope>
<biblScope unit="page" to="2473">2473</biblScope>
</imprint>
<idno type="ISSN">0032-3888</idno>
</series>
<idno type="istex">3E5F2ADA9E93A21F2D4FF309866C96CE298BF5E5</idno>
<idno type="DOI">10.1002/pen.21204</idno>
<idno type="ArticleID">PEN21204</idno>
</biblStruct>
</sourceDesc>
<seriesStmt>
<idno type="ISSN">0032-3888</idno>
</seriesStmt>
</fileDesc>
<profileDesc>
<textClass></textClass>
<langUsage>
<language ident="en">en</language>
</langUsage>
</profileDesc>
</teiHeader>
<front>
<div type="abstract" xml:lang="en">In this work, three coupling agents presenting different grafting contents and molecular weights were used to prepare linear low density polyethylene (LLDPE)/linear low density polyethylene grafted with maleic anhydride (LLDPE‐g‐MAH)/montmorillonite nanocomposites with various morphologies. The clay dispersion was analyzed at the micrometric level by scanning electron microscopy and at the nanometric level by X‐ray diffraction (XRD) and transmission electron microscopy (TEM). It was found that coupling agents having intermediate molecular weights led to the highest exfoliation extents, whereas the coupling agent presenting the highest molecular weight led to a poor delamination of the clay platelets. The properties of the nanocomposites produced and of their LLDPE/LLDPE‐g‐MAH reference blends were analyzed. It was shown that the best improvements in mechanical and barrier properties are not necessarily achieved for the nanocomposites, exhibiting the highest exfoliation extents. The length of the tactoids also plays a crucial role on the macroscopic properties. In addition, a high level of delamination could result in a loss of reinforcement effect, due to the inherent flexibility of the individual clay platelets. Finally, the strength of the clay/polymer interface, which was evaluated through surface tension measurements, seems to play a significant role on the properties of the nanocomposites. POLYM. ENG. SCI., 2008. © 2008 Society of Plastics Engineers.</div>
</front>
</TEI>
<affiliations>
<list>
<country>
<li>Canada</li>
</country>
</list>
<tree>
<country name="Canada">
<noRegion>
<name sortKey="Stoeffler, Karen" sort="Stoeffler, Karen" uniqKey="Stoeffler K" first="Karen" last="Stoeffler">Karen Stoeffler</name>
</noRegion>
<name sortKey="Denault, Johanne" sort="Denault, Johanne" uniqKey="Denault J" first="Johanne" last="Denault">Johanne Denault</name>
<name sortKey="Lafleur, Pierre G" sort="Lafleur, Pierre G" uniqKey="Lafleur P" first="Pierre G." last="Lafleur">Pierre G. Lafleur</name>
</country>
</tree>
</affiliations>
</record>

Pour manipuler ce document sous Unix (Dilib)

EXPLOR_STEP=$WICRI_ROOT/Wicri/Terre/corpus/SimuPvV1/Data/Main/Exploration
HfdSelect -h $EXPLOR_STEP/biblio.hfd -nk 001893 | SxmlIndent | more

Pour mettre un lien sur cette page dans le réseau Wicri

{{Explor lien
   |wiki=    Wicri/Terre
   |area=    SimuPvV1
   |flux=    Main
   |étape=   Exploration
   |type=    RBID
   |clé=     ISTEX:3E5F2ADA9E93A21F2D4FF309866C96CE298BF5E5
   |texte=   The effect of clay dispersion on the properties of LLDPE/LLDPE‐g‐MAH/montmorillonite nanocomposites
}}

Wicri

This area was generated with Dilib version V0.6.23.
Data generation: Thu Sep 15 17:34:16 2016. Site generation: Thu Sep 15 18:23:44 2016