Primary and secondary crystallization kinetic analysis of nylon 1212
The isothermal and non‐isothermal melt‐crystallization kinetics of nylon 1212 were investigated by differential scanning calorimetry. Primary and secondary crystallization behaviors were analysed based on different approaches. The results obtained suggested that primary crystallization under isother...
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| Veröffentlicht in: | Polymer international 2004-11, Vol.53 (11), p.1658-1665 |
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| container_title | Polymer international |
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| creator | Ren, Minqiao Song, Jianbin Zhao, Qingxiang Li, Yuesheng Chen, Qingyong Zhang, Hongfang Mo, Zhishen |
| description | The isothermal and non‐isothermal melt‐crystallization kinetics of nylon 1212 were investigated by differential scanning calorimetry. Primary and secondary crystallization behaviors were analysed based on different approaches. The results obtained suggested that primary crystallization under isothermal conditions involves three‐dimensional spherulite growth initiated by athermal nucleation, while under non‐isothermal conditions, the mechanism of primary crystallization is more complex. Secondary crystallization displays a lower‐dimensional crystal growth, both in the isothermal and non‐isothermal processes. The crystallite morphology of nylon 1212, isothermally crystallized at various temperatures, was observed by polarized optical microscopy. The activation energies of crystallization under isothermal and non‐isothermal conditions were also calculated based on different approaches. Copyright © 2004 Society of Chemical Industry |
| doi_str_mv | 10.1002/pi.1490 |
| format | Article |
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Primary and secondary crystallization behaviors were analysed based on different approaches. The results obtained suggested that primary crystallization under isothermal conditions involves three‐dimensional spherulite growth initiated by athermal nucleation, while under non‐isothermal conditions, the mechanism of primary crystallization is more complex. Secondary crystallization displays a lower‐dimensional crystal growth, both in the isothermal and non‐isothermal processes. The crystallite morphology of nylon 1212, isothermally crystallized at various temperatures, was observed by polarized optical microscopy. The activation energies of crystallization under isothermal and non‐isothermal conditions were also calculated based on different approaches. 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Int</addtitle><description>The isothermal and non‐isothermal melt‐crystallization kinetics of nylon 1212 were investigated by differential scanning calorimetry. Primary and secondary crystallization behaviors were analysed based on different approaches. The results obtained suggested that primary crystallization under isothermal conditions involves three‐dimensional spherulite growth initiated by athermal nucleation, while under non‐isothermal conditions, the mechanism of primary crystallization is more complex. Secondary crystallization displays a lower‐dimensional crystal growth, both in the isothermal and non‐isothermal processes. The crystallite morphology of nylon 1212, isothermally crystallized at various temperatures, was observed by polarized optical microscopy. The activation energies of crystallization under isothermal and non‐isothermal conditions were also calculated based on different approaches. Copyright © 2004 Society of Chemical Industry</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>nylon 1212</subject><subject>Physicochemistry of polymers</subject><subject>Polymer industry, paints, wood</subject><subject>primary crystallization</subject><subject>secondary crystallization</subject><subject>Technology of polymers</subject><issn>0959-8103</issn><issn>1097-0126</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNqN0E9LwzAYBvAgCs4pfoVe1IN0vmmaf0eZbg7H3EHxGNI0hbisnU2H1k9vR4eeBE8PL--P5_AgdI5hhAGSm40b4VTCARpgkDwGnLBDNABJZSwwkGN0EsIbAAgp5QDdLWu31nUb6TKPgjVVme8uU7eh0d67L924qoxWrrSNM53Svg0uRFURla3vPjjBySk6KrQP9myfQ_QyuX8eP8Tzp-lsfDuPTUopxBxszlJLMp4mpMuCGc6kyU2Wa4JToS3lGRY010IwzLBMaaJJApBTg6HIyBBd9r2bunrf2tCotQvGeq9LW22DSoQAQjD9ByQgqBAdvOqhqasQaluoTb-HwqB2c6qNU7s5O3mxr9TBaF_UujQu_HKGORBJOnfduw_nbftXnVrO9q1xr11o7OeP1vVKMU44Va-LqVp0NOWTVD2Sbyp6j40</recordid><startdate>200411</startdate><enddate>200411</enddate><creator>Ren, Minqiao</creator><creator>Song, Jianbin</creator><creator>Zhao, Qingxiang</creator><creator>Li, Yuesheng</creator><creator>Chen, Qingyong</creator><creator>Zhang, Hongfang</creator><creator>Mo, Zhishen</creator><general>John Wiley & Sons, Ltd</general><general>Wiley</general><scope>BSCLL</scope><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>200411</creationdate><title>Primary and secondary crystallization kinetic analysis of nylon 1212</title><author>Ren, Minqiao ; Song, Jianbin ; Zhao, Qingxiang ; Li, Yuesheng ; Chen, Qingyong ; Zhang, Hongfang ; Mo, Zhishen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4550-70ed64e3b74234e3f6c769cdcbda3148ae57b185da8861619452a3200d5c10fb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Applied sciences</topic><topic>Exact sciences and technology</topic><topic>nylon 1212</topic><topic>Physicochemistry of polymers</topic><topic>Polymer industry, paints, wood</topic><topic>primary crystallization</topic><topic>secondary crystallization</topic><topic>Technology of polymers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ren, Minqiao</creatorcontrib><creatorcontrib>Song, Jianbin</creatorcontrib><creatorcontrib>Zhao, Qingxiang</creatorcontrib><creatorcontrib>Li, Yuesheng</creatorcontrib><creatorcontrib>Chen, Qingyong</creatorcontrib><creatorcontrib>Zhang, Hongfang</creatorcontrib><creatorcontrib>Mo, Zhishen</creatorcontrib><collection>Istex</collection><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 international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ren, Minqiao</au><au>Song, Jianbin</au><au>Zhao, Qingxiang</au><au>Li, Yuesheng</au><au>Chen, Qingyong</au><au>Zhang, Hongfang</au><au>Mo, Zhishen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Primary and secondary crystallization kinetic analysis of nylon 1212</atitle><jtitle>Polymer international</jtitle><addtitle>Polym. Int</addtitle><date>2004-11</date><risdate>2004</risdate><volume>53</volume><issue>11</issue><spage>1658</spage><epage>1665</epage><pages>1658-1665</pages><issn>0959-8103</issn><eissn>1097-0126</eissn><abstract>The isothermal and non‐isothermal melt‐crystallization kinetics of nylon 1212 were investigated by differential scanning calorimetry. Primary and secondary crystallization behaviors were analysed based on different approaches. The results obtained suggested that primary crystallization under isothermal conditions involves three‐dimensional spherulite growth initiated by athermal nucleation, while under non‐isothermal conditions, the mechanism of primary crystallization is more complex. Secondary crystallization displays a lower‐dimensional crystal growth, both in the isothermal and non‐isothermal processes. The crystallite morphology of nylon 1212, isothermally crystallized at various temperatures, was observed by polarized optical microscopy. The activation energies of crystallization under isothermal and non‐isothermal conditions were also calculated based on different approaches. Copyright © 2004 Society of Chemical Industry</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><doi>10.1002/pi.1490</doi><tpages>8</tpages></addata></record> |
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| subjects | Applied sciences Exact sciences and technology nylon 1212 Physicochemistry of polymers Polymer industry, paints, wood primary crystallization secondary crystallization Technology of polymers |
| title | Primary and secondary crystallization kinetic analysis of nylon 1212 |
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