Preparation of clay/epoxy nanocomposites by layered-double-hydroxide initiated self-polymerization
An anionic clay, magnesium–aluminum layered double hydroxide (Mg2Al–NO3–LDH), was prepared by a co-precipitation method and intercalated with poly(oxypropylene)–amindocarboxylic acid (POP–amido acid). Depending on the POP-intercalating agents with molecular weight at 2000 or 400g/mol, the intercalat...
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| Veröffentlicht in: | Polymer (Guilford) 2008-10, Vol.49 (22), p.4796-4801 |
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| creator | Chan, Ying-Nan Juang, Tzong-Yuan Liao, Yi-Lin Dai, Shenghong A. Lin, Jiang-Jen |
| description | An anionic clay, magnesium–aluminum layered double hydroxide (Mg2Al–NO3–LDH), was prepared by a co-precipitation method and intercalated with poly(oxypropylene)–amindocarboxylic acid (POP–amido acid). Depending on the POP-intercalating agents with molecular weight at 2000 or 400g/mol, the intercalated LDHs were analyzed to have d spacing of 6.8 or 2.7nm and organic incorporation of 80 and 55wt%, respectively. Two comparative POP/LDH hybrids were allowed to initiate the self-polymerization of the epoxy resin, diglycidyl ether of bisphenol-A (DGEBA). The curing rate was significantly increased by using the hybrids as initiators for epoxy curing, demonstrated by DSC thermal analysis that the exothermic peak shifted from 182 to 152°C by increasing organoclay addition. The resultant nanocomposites prepared from the anionic LDH initiated epoxy self-polymerization have the improved thermal and physical properties, evidenced by TGA, XRD, TEM, and SEM analyses.
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| doi_str_mv | 10.1016/j.polymer.2008.08.062 |
| format | Article |
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[Display omitted]</description><subject>Applied sciences</subject><subject>Composites</subject><subject>Epoxy</subject><subject>Exact sciences and technology</subject><subject>Forms of application and semi-finished materials</subject><subject>Layered double hydroxides</subject><subject>Nanocomposite</subject><subject>Polymer industry, paints, wood</subject><subject>Technology of polymers</subject><issn>0032-3861</issn><issn>1873-2291</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNqFUE1LxDAUDKLguvoThF701t2XZNMmJ5HFLxD0oOeQpq-YpW1q0pWtv97WXbwKA-_w5s3MG0IuKSwo0Gy5WXS-HhoMCwYgFxMydkRmVOY8ZUzRYzID4CzlMqOn5CzGDQAwwVYzUrwG7EwwvfNt4qvE1mZYYud3Q9Ka1lvfdD66HmNSDMm4w4BlWvptUWP6MZTB71yJiWtd70yPZRKxrtJDHPf9K3tOTipTR7w4zDl5v797Wz-mzy8PT-vb59SuaN6nBhXyDAxVXGClhFzxQkmUmZBQcmasAoai4IWwUNFilWc5SFblSnGVZ1TyObne63bBf24x9rpx0WJdmxb9NmouQEg5djInYk-0wccYsNJdcI0Jg6agp0b1Rh9e0FOjekLGxrurg4GJ1tRVMK118e-YwRhJMDHybvY8HL_9cqNKtA5bi6ULaHtdeveP0w_u3JD8</recordid><startdate>20081017</startdate><enddate>20081017</enddate><creator>Chan, Ying-Nan</creator><creator>Juang, Tzong-Yuan</creator><creator>Liao, Yi-Lin</creator><creator>Dai, Shenghong A.</creator><creator>Lin, Jiang-Jen</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope></search><sort><creationdate>20081017</creationdate><title>Preparation of clay/epoxy nanocomposites by layered-double-hydroxide initiated self-polymerization</title><author>Chan, Ying-Nan ; Juang, Tzong-Yuan ; Liao, Yi-Lin ; Dai, Shenghong A. ; Lin, Jiang-Jen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c417t-ae9e360a1935ef95843b98e86580d32ac902e5b3b5c0f1b4767082f7993976183</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Applied sciences</topic><topic>Composites</topic><topic>Epoxy</topic><topic>Exact sciences and technology</topic><topic>Forms of application and semi-finished materials</topic><topic>Layered double hydroxides</topic><topic>Nanocomposite</topic><topic>Polymer industry, paints, wood</topic><topic>Technology of polymers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chan, Ying-Nan</creatorcontrib><creatorcontrib>Juang, Tzong-Yuan</creatorcontrib><creatorcontrib>Liao, Yi-Lin</creatorcontrib><creatorcontrib>Dai, Shenghong A.</creatorcontrib><creatorcontrib>Lin, Jiang-Jen</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><jtitle>Polymer (Guilford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chan, Ying-Nan</au><au>Juang, Tzong-Yuan</au><au>Liao, Yi-Lin</au><au>Dai, Shenghong A.</au><au>Lin, Jiang-Jen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation of clay/epoxy nanocomposites by layered-double-hydroxide initiated self-polymerization</atitle><jtitle>Polymer (Guilford)</jtitle><date>2008-10-17</date><risdate>2008</risdate><volume>49</volume><issue>22</issue><spage>4796</spage><epage>4801</epage><pages>4796-4801</pages><issn>0032-3861</issn><eissn>1873-2291</eissn><coden>POLMAG</coden><abstract>An anionic clay, magnesium–aluminum layered double hydroxide (Mg2Al–NO3–LDH), was prepared by a co-precipitation method and intercalated with poly(oxypropylene)–amindocarboxylic acid (POP–amido acid). Depending on the POP-intercalating agents with molecular weight at 2000 or 400g/mol, the intercalated LDHs were analyzed to have d spacing of 6.8 or 2.7nm and organic incorporation of 80 and 55wt%, respectively. Two comparative POP/LDH hybrids were allowed to initiate the self-polymerization of the epoxy resin, diglycidyl ether of bisphenol-A (DGEBA). The curing rate was significantly increased by using the hybrids as initiators for epoxy curing, demonstrated by DSC thermal analysis that the exothermic peak shifted from 182 to 152°C by increasing organoclay addition. The resultant nanocomposites prepared from the anionic LDH initiated epoxy self-polymerization have the improved thermal and physical properties, evidenced by TGA, XRD, TEM, and SEM analyses.
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| subjects | Applied sciences Composites Epoxy Exact sciences and technology Forms of application and semi-finished materials Layered double hydroxides Nanocomposite Polymer industry, paints, wood Technology of polymers |
| title | Preparation of clay/epoxy nanocomposites by layered-double-hydroxide initiated self-polymerization |
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