Combination of fumed silica with carbon black for simultaneously improving the thermal stability, flame retardancy and mechanical properties of polyethylene
The combination of fumed silica (SiO2) with carbon black (CB) for improving thermal stability, flame retardancy and mechanical properties of linear low density polyethylene (LLDPE) was investigated. The temperature at the maximum weight loss rate of LLDPE was dramatically increased by 92 degree C, a...
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| Veröffentlicht in: | Polymer (Guilford) 2014-06, Vol.55 (13), p.2998-3007 |
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| container_title | Polymer (Guilford) |
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| creator | JIANG GONG RAN NIU NANA TIAN XUECHENG CHEN XIN WEN JIE LIU ZHAOYAN SUN MIJOWSKA, Ewa TAO TANG |
| description | The combination of fumed silica (SiO2) with carbon black (CB) for improving thermal stability, flame retardancy and mechanical properties of linear low density polyethylene (LLDPE) was investigated. The temperature at the maximum weight loss rate of LLDPE was dramatically increased by 92 degree C, and the peak value of heat release rate measured by cone calorimeter was significantly reduced by 80.7%. The improved thermal stability and flame retardancy of LLDPE were partially attributed to the formation of a percolated network structure in LLDPE matrix, and partially to the accelerated oxidation crosslinking reaction of LLDPE or other radicals by CB and SiO2. More importantly, although both SiO2 and CB were used without any pre-treatment, ternary LLDPE nanocomposites showed much higher mechanical properties compared to those of neat LLDPE. This was ascribed to good dispersions of two kinds of nanoparticles and strong matrix-nanoparticle interfacial interactions with LLDPE matrix. |
| doi_str_mv | 10.1016/j.polymer.2014.05.006 |
| format | Article |
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The temperature at the maximum weight loss rate of LLDPE was dramatically increased by 92 degree C, and the peak value of heat release rate measured by cone calorimeter was significantly reduced by 80.7%. The improved thermal stability and flame retardancy of LLDPE were partially attributed to the formation of a percolated network structure in LLDPE matrix, and partially to the accelerated oxidation crosslinking reaction of LLDPE or other radicals by CB and SiO2. More importantly, although both SiO2 and CB were used without any pre-treatment, ternary LLDPE nanocomposites showed much higher mechanical properties compared to those of neat LLDPE. 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The temperature at the maximum weight loss rate of LLDPE was dramatically increased by 92 degree C, and the peak value of heat release rate measured by cone calorimeter was significantly reduced by 80.7%. The improved thermal stability and flame retardancy of LLDPE were partially attributed to the formation of a percolated network structure in LLDPE matrix, and partially to the accelerated oxidation crosslinking reaction of LLDPE or other radicals by CB and SiO2. More importantly, although both SiO2 and CB were used without any pre-treatment, ternary LLDPE nanocomposites showed much higher mechanical properties compared to those of neat LLDPE. This was ascribed to good dispersions of two kinds of nanoparticles and strong matrix-nanoparticle interfacial interactions with LLDPE matrix.</description><subject>Applied sciences</subject><subject>Carbon black</subject><subject>Composites</subject><subject>Density</subject><subject>Dispersions</subject><subject>Exact sciences and technology</subject><subject>Forms of application and semi-finished materials</subject><subject>Fumed silica</subject><subject>Mechanical properties</subject><subject>Polyethylenes</subject><subject>Polymer industry, paints, wood</subject><subject>Silicon dioxide</subject><subject>Technology of polymers</subject><subject>Thermal stability</subject><issn>0032-3861</issn><issn>1873-2291</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNo9UcGO0zAQtRBIlF0-YSVfkDiQMLaTNDmiioWVVtoLe7Ym7njrYifFdkH5Fz4WR604jOYw7828N4-xOwG1ANF9Ptan2S-BYi1BNDW0NUD3im1Ev1WVlIN4zTYASlaq78Rb9i6lIwDIVjYb9nc3h9FNmN088dlyew6058l5Z5D_cfnADcaxzEaP5ie3cyzDcPYZJ5rPyS_chVOcf7vphecDrRUDep4yjmVJXj5x6zEQj5Qx7nEyC8dpzwOZA07liOeFfqKYHaVVwGqF8mHxNNEte2PRJ3p_7Tfs-f7rj9336vHp28Puy2NllOhyJUiMrRUEaGGwwo77DsR2a5oGBkVIJJUiSYaEBYXYN2ZL7dDCgDi2DQ7qhn287C1Sfp0pZR1cMuT9xaQWXSNlwUtZoO0FauKcUiSrT9EFjIsWoNc09FFf09BrGhpaXdIovA_XE5iKaRvLJ1z6T5Z926uiSf0DmAaSnw</recordid><startdate>20140613</startdate><enddate>20140613</enddate><creator>JIANG GONG</creator><creator>RAN NIU</creator><creator>NANA TIAN</creator><creator>XUECHENG CHEN</creator><creator>XIN WEN</creator><creator>JIE LIU</creator><creator>ZHAOYAN SUN</creator><creator>MIJOWSKA, Ewa</creator><creator>TAO TANG</creator><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20140613</creationdate><title>Combination of fumed silica with carbon black for simultaneously improving the thermal stability, flame retardancy and mechanical properties of polyethylene</title><author>JIANG GONG ; RAN NIU ; NANA TIAN ; XUECHENG CHEN ; XIN WEN ; JIE LIU ; ZHAOYAN SUN ; MIJOWSKA, Ewa ; TAO TANG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-1e1b5f1e0af09f1fbd60177c44093eaee233e2ece1f03aa84c7e59509aab54a93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Applied sciences</topic><topic>Carbon black</topic><topic>Composites</topic><topic>Density</topic><topic>Dispersions</topic><topic>Exact sciences and technology</topic><topic>Forms of application and semi-finished materials</topic><topic>Fumed silica</topic><topic>Mechanical properties</topic><topic>Polyethylenes</topic><topic>Polymer industry, paints, wood</topic><topic>Silicon dioxide</topic><topic>Technology of polymers</topic><topic>Thermal stability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>JIANG GONG</creatorcontrib><creatorcontrib>RAN NIU</creatorcontrib><creatorcontrib>NANA TIAN</creatorcontrib><creatorcontrib>XUECHENG CHEN</creatorcontrib><creatorcontrib>XIN WEN</creatorcontrib><creatorcontrib>JIE LIU</creatorcontrib><creatorcontrib>ZHAOYAN SUN</creatorcontrib><creatorcontrib>MIJOWSKA, Ewa</creatorcontrib><creatorcontrib>TAO TANG</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity 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><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Polymer (Guilford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>JIANG GONG</au><au>RAN NIU</au><au>NANA TIAN</au><au>XUECHENG CHEN</au><au>XIN WEN</au><au>JIE LIU</au><au>ZHAOYAN SUN</au><au>MIJOWSKA, Ewa</au><au>TAO TANG</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Combination of fumed silica with carbon black for simultaneously improving the thermal stability, flame retardancy and mechanical properties of polyethylene</atitle><jtitle>Polymer (Guilford)</jtitle><date>2014-06-13</date><risdate>2014</risdate><volume>55</volume><issue>13</issue><spage>2998</spage><epage>3007</epage><pages>2998-3007</pages><issn>0032-3861</issn><eissn>1873-2291</eissn><coden>POLMAG</coden><abstract>The combination of fumed silica (SiO2) with carbon black (CB) for improving thermal stability, flame retardancy and mechanical properties of linear low density polyethylene (LLDPE) was investigated. The temperature at the maximum weight loss rate of LLDPE was dramatically increased by 92 degree C, and the peak value of heat release rate measured by cone calorimeter was significantly reduced by 80.7%. The improved thermal stability and flame retardancy of LLDPE were partially attributed to the formation of a percolated network structure in LLDPE matrix, and partially to the accelerated oxidation crosslinking reaction of LLDPE or other radicals by CB and SiO2. More importantly, although both SiO2 and CB were used without any pre-treatment, ternary LLDPE nanocomposites showed much higher mechanical properties compared to those of neat LLDPE. This was ascribed to good dispersions of two kinds of nanoparticles and strong matrix-nanoparticle interfacial interactions with LLDPE matrix.</abstract><cop>Kidlington</cop><pub>Elsevier</pub><doi>10.1016/j.polymer.2014.05.006</doi><tpages>10</tpages></addata></record> |
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| ispartof | Polymer (Guilford), 2014-06, Vol.55 (13), p.2998-3007 |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Applied sciences Carbon black Composites Density Dispersions Exact sciences and technology Forms of application and semi-finished materials Fumed silica Mechanical properties Polyethylenes Polymer industry, paints, wood Silicon dioxide Technology of polymers Thermal stability |
| title | Combination of fumed silica with carbon black for simultaneously improving the thermal stability, flame retardancy and mechanical properties of polyethylene |
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