Kinetic investigation of thermooxidative degradation of poly(vinyl chloride)/acrylonitrile-butadiene-styrene blends by isothermal thermogravimetric analysis
The thermal degradation of poly(vinyl chloride)/acrylonitrile–butadiene–styrene (PVC/ABS) blends of different compositions was investigated by means of isothermal thermogravimetric analysis at temperatures of 210°–240°C in flowing atmosphere of air. The Flynn equation, the method of stationary point...
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| Veröffentlicht in: | Journal of applied polymer science 1999-01, Vol.71 (5), p.833-839 |
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| container_title | Journal of applied polymer science |
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| creator | Klarić, I. Roje, U. Stipanelov, N. |
| description | The thermal degradation of poly(vinyl chloride)/acrylonitrile–butadiene–styrene (PVC/ABS) blends of different compositions was investigated by means of isothermal thermogravimetric analysis at temperatures of 210°–240°C in flowing atmosphere of air. The Flynn equation, the method of stationary point, and kinetic equation using the Prout–Tompkins model proved to be satisfactory in describing the thermooxidative degradation in the range of 5–30% conversions. The apparent activation energy E and preexponential factor Z were calculated for all compositions of PVC/ABS blends. The ratios E/ln Z are constant for pure and modified PVC and point to the unique mechanism of degradation process. Upon increasing the ratio of ABS in the PVC/ABS blend up to 50%, only the rate of the process is changed; the mechanism remains unchanged. © 1999 John Wiley & Sons, Inc. J Appl Polym Sci 71: 833–839, 1999 |
| doi_str_mv | 10.1002/(SICI)1097-4628(19990131)71:5<833::AID-APP18>3.0.CO;2-A |
| format | Article |
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The Flynn equation, the method of stationary point, and kinetic equation using the Prout–Tompkins model proved to be satisfactory in describing the thermooxidative degradation in the range of 5–30% conversions. The apparent activation energy E and preexponential factor Z were calculated for all compositions of PVC/ABS blends. The ratios E/ln Z are constant for pure and modified PVC and point to the unique mechanism of degradation process. Upon increasing the ratio of ABS in the PVC/ABS blend up to 50%, only the rate of the process is changed; the mechanism remains unchanged. © 1999 John Wiley & Sons, Inc. 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Appl. Polym. Sci</addtitle><description>The thermal degradation of poly(vinyl chloride)/acrylonitrile–butadiene–styrene (PVC/ABS) blends of different compositions was investigated by means of isothermal thermogravimetric analysis at temperatures of 210°–240°C in flowing atmosphere of air. The Flynn equation, the method of stationary point, and kinetic equation using the Prout–Tompkins model proved to be satisfactory in describing the thermooxidative degradation in the range of 5–30% conversions. The apparent activation energy E and preexponential factor Z were calculated for all compositions of PVC/ABS blends. The ratios E/ln Z are constant for pure and modified PVC and point to the unique mechanism of degradation process. Upon increasing the ratio of ABS in the PVC/ABS blend up to 50%, only the rate of the process is changed; the mechanism remains unchanged. © 1999 John Wiley & Sons, Inc. J Appl Polym Sci 71: 833–839, 1999</description><subject>Applied sciences</subject><subject>Chemical reactions and properties</subject><subject>Degradation</subject><subject>Exact sciences and technology</subject><subject>isothermal thermogravimetric analysis</subject><subject>kinetic parameters</subject><subject>Organic polymers</subject><subject>Physicochemistry of polymers</subject><subject>PVC/ABS blends</subject><subject>thermooxidation degradation</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNqFkV9v0zAUxSMEEmXwHfKAUPeQzn9qxykIVAXYyiY6iT_d25UTO5uHGxc7Lct34cPirqU8gMTTla7P_R3rnCR5g9EII0ROhp9m5ewYoyLPxpyIIS6KAmGKj3M8Ya8EpZPJdPY2m15eYvGajtConL8k2fRBMjjcPEwGkYQzURTscfIkhFuEMGaID5Kf56bVnalT02506My17IxrU9ek3Y32S-fujIqrjU6VvvZSHZ5XzvbDjWl7m9Y31nmj9PGJrH1vXWs6b6zOqnUnldGtzkLX-zjTyupWhbTqUxPcvYG0e6MI35iljpd1Kltp-2DC0-RRI23Qz_bzKPny_t3n8iy7mJ_OyulFVo_HhcgEyZlWqiZ5zgQSDRa8IlQrSgmr83GTc44pxUQoQqpKKDEmHHPRNJw1XFSKHiUvdtyVd9_XMQZYmlBra2Wr3ToA4UXBCeNRuNgJa-9C8LqBlTdL6XvACLZtAWzbgm3ysE0efrcFOQYGsS2A2BbctwUUEJRzIDCN5Of7L8hQS9t42dYm_MHzSGc4yq52sh8x4P4v9_-a_8t7t4jobIc2odN3B7T034DnNGew-HgKZPHhK78qz-Cc_gKs5sjq</recordid><startdate>19990131</startdate><enddate>19990131</enddate><creator>Klarić, I.</creator><creator>Roje, U.</creator><creator>Stipanelov, N.</creator><general>John Wiley & Sons, Inc</general><general>Wiley</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>19990131</creationdate><title>Kinetic investigation of thermooxidative degradation of poly(vinyl chloride)/acrylonitrile-butadiene-styrene blends by isothermal thermogravimetric analysis</title><author>Klarić, I. ; Roje, U. ; Stipanelov, N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4498-8275eddc2775808f186b23ed3325c74f766133128d22bb8d8426168ff65f68bd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Applied sciences</topic><topic>Chemical reactions and properties</topic><topic>Degradation</topic><topic>Exact sciences and technology</topic><topic>isothermal thermogravimetric analysis</topic><topic>kinetic parameters</topic><topic>Organic polymers</topic><topic>Physicochemistry of polymers</topic><topic>PVC/ABS blends</topic><topic>thermooxidation degradation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Klarić, I.</creatorcontrib><creatorcontrib>Roje, U.</creatorcontrib><creatorcontrib>Stipanelov, N.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of applied polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Klarić, I.</au><au>Roje, U.</au><au>Stipanelov, N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Kinetic investigation of thermooxidative degradation of poly(vinyl chloride)/acrylonitrile-butadiene-styrene blends by isothermal thermogravimetric analysis</atitle><jtitle>Journal of applied polymer science</jtitle><addtitle>J. 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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Applied sciences Chemical reactions and properties Degradation Exact sciences and technology isothermal thermogravimetric analysis kinetic parameters Organic polymers Physicochemistry of polymers PVC/ABS blends thermooxidation degradation |
| title | Kinetic investigation of thermooxidative degradation of poly(vinyl chloride)/acrylonitrile-butadiene-styrene blends by isothermal thermogravimetric analysis |
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