Polypropylene nanocomposites produced by in situ grafting of n-butyl acrylate
ABSTRACT Nanocomposites of polypropylene and organophilic clay are produced by in situ functionalization of PP with n‐butyl acrylate (BA) during melt mixing. Three strategies for incorporating materials into the mixer are analyzed and the effect of clay concentration is evaluated. The materials are...
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| Veröffentlicht in: | Journal of applied polymer science 2015-10, Vol.132 (39), p.np-n/a |
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| creator | Merchan Sandoval, Julie Quinzani, Lidia M. Failla, Marcelo D. |
| description | ABSTRACT
Nanocomposites of polypropylene and organophilic clay are produced by in situ functionalization of PP with n‐butyl acrylate (BA) during melt mixing. Three strategies for incorporating materials into the mixer are analyzed and the effect of clay concentration is evaluated. The materials are examined by FTIR spectroscopy, X‐ray diffraction, scanning electron microscopy, differential scanning calorimetry, thermogravimetry, and rotational rheometry. The results show that all composites prepared in the presence of BA have similar intercalated clay structure, and that the largest degree of exfoliation is obtained using the sequential mixing technique. This method, which consists in adding the initiator and functionalizing agent to the molten polypropylene followed by the addition of the clay, also produces the largest reduction in molecular weight of the polymer and the largest increase of the elastic modulus. All polymers show similar crystallization and degradation processes. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42585. |
| doi_str_mv | 10.1002/app.42585 |
| format | Article |
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Nanocomposites of polypropylene and organophilic clay are produced by in situ functionalization of PP with n‐butyl acrylate (BA) during melt mixing. Three strategies for incorporating materials into the mixer are analyzed and the effect of clay concentration is evaluated. The materials are examined by FTIR spectroscopy, X‐ray diffraction, scanning electron microscopy, differential scanning calorimetry, thermogravimetry, and rotational rheometry. The results show that all composites prepared in the presence of BA have similar intercalated clay structure, and that the largest degree of exfoliation is obtained using the sequential mixing technique. This method, which consists in adding the initiator and functionalizing agent to the molten polypropylene followed by the addition of the clay, also produces the largest reduction in molecular weight of the polymer and the largest increase of the elastic modulus. All polymers show similar crystallization and degradation processes. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42585.</description><identifier>ISSN: 0021-8995</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.42585</identifier><identifier>CODEN: JAPNAB</identifier><language>eng</language><publisher>Hoboken: Blackwell Publishing Ltd</publisher><subject>Acrylates ; Addition polymerization ; clay ; Clay (material) ; grafting ; Materials science ; Molecular structure ; Nanocomposites ; nanostructured polymers ; Particulate composites ; Polymers ; polyolefins ; Polypropylenes ; Reagents</subject><ispartof>Journal of applied polymer science, 2015-10, Vol.132 (39), p.np-n/a</ispartof><rights>2015 Wiley Periodicals, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4385-aa64ff5225d9b77bc8c8ced980cfc181034efc332da0838a22a88f2d22e0e3993</citedby><cites>FETCH-LOGICAL-c4385-aa64ff5225d9b77bc8c8ced980cfc181034efc332da0838a22a88f2d22e0e3993</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fapp.42585$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapp.42585$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27903,27904,45553,45554</link.rule.ids></links><search><creatorcontrib>Merchan Sandoval, Julie</creatorcontrib><creatorcontrib>Quinzani, Lidia M.</creatorcontrib><creatorcontrib>Failla, Marcelo D.</creatorcontrib><title>Polypropylene nanocomposites produced by in situ grafting of n-butyl acrylate</title><title>Journal of applied polymer science</title><addtitle>J. Appl. Polym. Sci</addtitle><description>ABSTRACT
Nanocomposites of polypropylene and organophilic clay are produced by in situ functionalization of PP with n‐butyl acrylate (BA) during melt mixing. Three strategies for incorporating materials into the mixer are analyzed and the effect of clay concentration is evaluated. The materials are examined by FTIR spectroscopy, X‐ray diffraction, scanning electron microscopy, differential scanning calorimetry, thermogravimetry, and rotational rheometry. The results show that all composites prepared in the presence of BA have similar intercalated clay structure, and that the largest degree of exfoliation is obtained using the sequential mixing technique. This method, which consists in adding the initiator and functionalizing agent to the molten polypropylene followed by the addition of the clay, also produces the largest reduction in molecular weight of the polymer and the largest increase of the elastic modulus. All polymers show similar crystallization and degradation processes. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42585.</description><subject>Acrylates</subject><subject>Addition polymerization</subject><subject>clay</subject><subject>Clay (material)</subject><subject>grafting</subject><subject>Materials science</subject><subject>Molecular structure</subject><subject>Nanocomposites</subject><subject>nanostructured polymers</subject><subject>Particulate composites</subject><subject>Polymers</subject><subject>polyolefins</subject><subject>Polypropylenes</subject><subject>Reagents</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp1kM1OwzAQhC0EEqVw4A0scYFDWv8ksX0sFbRILfQA4mi5jl2lpHGwE0HeHkOBAxLaw0o736xGA8A5RiOMEBmrphmlJOPZARhgJFiS5oQfgkHUcMKFyI7BSQhbhDDOUD4Ay5Wr-sa7pq9MbWCtaqfdrnGhbE2AUSg6bQq47mFZw3js4MYr25b1BjoL62TdtX0FlfZ9pVpzCo6sqoI5-95D8HR78zidJ4uH2d10skh0SnmWKJWn1maEZIVYM7bWPI4pBEfaaswxoqmxmlJSKMQpV4Qozi0pCDHIUCHoEFzu_8aAr50JrdyVQZuqUrVxXZCYYS5YSgSP6MUfdOs6X8d0EueCYZYyTiN1tae0dyF4Y2Xjy53yvcRIfhYrY7Hyq9jIjvfsW1mZ_n9QTlarH0eyd5ShNe-_DuVfZM4oy-Tz_UzmHLPr-WopU_oBO-SJJA</recordid><startdate>20151015</startdate><enddate>20151015</enddate><creator>Merchan Sandoval, Julie</creator><creator>Quinzani, Lidia M.</creator><creator>Failla, Marcelo D.</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><scope>7U5</scope><scope>L7M</scope></search><sort><creationdate>20151015</creationdate><title>Polypropylene nanocomposites produced by in situ grafting of n-butyl acrylate</title><author>Merchan Sandoval, Julie ; Quinzani, Lidia M. ; Failla, Marcelo D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4385-aa64ff5225d9b77bc8c8ced980cfc181034efc332da0838a22a88f2d22e0e3993</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Acrylates</topic><topic>Addition polymerization</topic><topic>clay</topic><topic>Clay (material)</topic><topic>grafting</topic><topic>Materials science</topic><topic>Molecular structure</topic><topic>Nanocomposites</topic><topic>nanostructured polymers</topic><topic>Particulate composites</topic><topic>Polymers</topic><topic>polyolefins</topic><topic>Polypropylenes</topic><topic>Reagents</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Merchan Sandoval, Julie</creatorcontrib><creatorcontrib>Quinzani, Lidia M.</creatorcontrib><creatorcontrib>Failla, Marcelo D.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of applied polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Merchan Sandoval, Julie</au><au>Quinzani, Lidia M.</au><au>Failla, Marcelo D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Polypropylene nanocomposites produced by in situ grafting of n-butyl acrylate</atitle><jtitle>Journal of applied polymer science</jtitle><addtitle>J. Appl. Polym. Sci</addtitle><date>2015-10-15</date><risdate>2015</risdate><volume>132</volume><issue>39</issue><spage>np</spage><epage>n/a</epage><pages>np-n/a</pages><issn>0021-8995</issn><eissn>1097-4628</eissn><coden>JAPNAB</coden><abstract>ABSTRACT
Nanocomposites of polypropylene and organophilic clay are produced by in situ functionalization of PP with n‐butyl acrylate (BA) during melt mixing. Three strategies for incorporating materials into the mixer are analyzed and the effect of clay concentration is evaluated. The materials are examined by FTIR spectroscopy, X‐ray diffraction, scanning electron microscopy, differential scanning calorimetry, thermogravimetry, and rotational rheometry. The results show that all composites prepared in the presence of BA have similar intercalated clay structure, and that the largest degree of exfoliation is obtained using the sequential mixing technique. This method, which consists in adding the initiator and functionalizing agent to the molten polypropylene followed by the addition of the clay, also produces the largest reduction in molecular weight of the polymer and the largest increase of the elastic modulus. All polymers show similar crystallization and degradation processes. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42585.</abstract><cop>Hoboken</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/app.42585</doi><tpages>10</tpages></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Acrylates Addition polymerization clay Clay (material) grafting Materials science Molecular structure Nanocomposites nanostructured polymers Particulate composites Polymers polyolefins Polypropylenes Reagents |
| title | Polypropylene nanocomposites produced by in situ grafting of n-butyl acrylate |
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