{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T13:49:29Z","timestamp":1740145769717,"version":"3.37.3"},"reference-count":28,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2013,9,16]],"date-time":"2013-09-16T00:00:00Z","timestamp":1379289600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001871","name":"Foundation for Science and Technology","doi-asserted-by":"crossref","award":["SFRH\/BD\/39085\/2007","PEst-C\/CTM\/LA0025\/2011"],"award-info":[{"award-number":["SFRH\/BD\/39085\/2007","PEst-C\/CTM\/LA0025\/2011"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Macro Reaction Engineering"],"published-print":{"date-parts":[[2014,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:label\/><jats:p>The interest in the development of polymer nanocomposites by reactive extrusion has been growing in the past years. This work aims to investigate the effect of the polymer reactive groups on chemical reaction extension and consequently, on the morphology of the nanocomposites. For that, two polymers, polypropylene grafted with maleic anhydride (PP\u2010g\u2010MA) and ethylene vinyl acetate (EVA), are used as organic phases and aluminum isopropoxide (Al(Pr\u2010i\u2010O)<jats:sub>3<\/jats:sub>) as metal. Nanocomposites are prepared in the melt using sol\u2013gel process. The reaction extension is assessed by FT\u2010IR, rheological measurements, and crosslinking density determination. The dispersion of inorganic nanoparticles is analyzed by SEM and TEM, and EDS is used to identify the presence of metal nanoparticles. Even though, both reactions are successfully accomplished in the melt, the reaction with EVA presents lower reaction activation energy (<jats:italic>E<\/jats:italic><jats:sub>a<\/jats:sub>) and the prepared nanocomposite has a more crosslinked structure. Moreover, a finer morphology with well\u2010dispersed nanoparticles containing aluminum is achieved with EVA.<jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/mren201300132-gra-0001.png\" xlink:title=\"mren201300132-gra-0001\"\/><\/jats:p><\/jats:sec>","DOI":"10.1002\/mren.201300132","type":"journal-article","created":{"date-parts":[[2013,10,8]],"date-time":"2013-10-08T14:38:30Z","timestamp":1381243110000},"page":"134-140","source":"Crossref","is-referenced-by-count":2,"title":["Nanocomposites Prepared by Reactive Extrusion: Effect of the Polymer Reactive Groups"],"prefix":"10.1002","volume":"8","author":[{"given":"Manuel","family":"Oliveira","sequence":"first","affiliation":[{"name":"Department of Polymer Engineering, IPC \u2013 Institute for Polymers and Composites\/I3N University of Minho 4800\u2010058 Guimar\u00e3es Portugal"}]},{"given":"Ana Vera","family":"Machado","sequence":"additional","affiliation":[{"name":"Department of Polymer Engineering, IPC \u2013 Institute for Polymers and Composites\/I3N University of Minho 4800\u2010058 Guimar\u00e3es Portugal"}]}],"member":"311","published-online":{"date-parts":[[2013,9,16]]},"reference":[{"key":"e_1_2_6_1_1","doi-asserted-by":"publisher","DOI":"10.1039\/b509097k"},{"key":"e_1_2_6_2_1","doi-asserted-by":"crossref","unstructured":"R.Krishnamoorti R. 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