Polymerization of olefins through heterogeneous catalysis. VI. Effect of particle heat and mass transfer on polymerization behavior and polymer properties
The multigrain model for polymerization of olefins over solid catalysts is used to predict kinetic behavior, molecular weights, and polydispersities. The effects of intraparticle and external boundary layer transport resistance on the kinetic behavior and polymer properties are explored. Means for t...
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| Veröffentlicht in: | Journal of applied polymer science 1987-03, Vol.33 (4), p.1021-1065 |
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| Hauptverfasser: | , , , , |
| Format: | Artikel |
| Sprache: | eng |
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| container_end_page | 1065 |
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| container_issue | 4 |
| container_start_page | 1021 |
| container_title | Journal of applied polymer science |
| container_volume | 33 |
| creator | Floyd, S. Heiskanen, Tomi Taylor, T. W. Mann, G. E. Ray, W. H. |
| description | The multigrain model for polymerization of olefins over solid catalysts is used to predict kinetic behavior, molecular weights, and polydispersities. The effects of intraparticle and external boundary layer transport resistance on the kinetic behavior and polymer properties are explored. Means for the experimental detection of intraparticle diffusion resistance are suggested. The importance of catalyst physical properties, such as the porosity, and the catalyst loading is illustrated through simulation. Finally, the hypotheses of diffusion resistance and site heterogeneity as explanations for the broad molecular weight distributions of olefin polymers are critically evaluated, and molecular weight distribution control in industrial catalysts is discussed. |
| doi_str_mv | 10.1002/app.1987.070330402 |
| format | Article |
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Finally, the hypotheses of diffusion resistance and site heterogeneity as explanations for the broad molecular weight distributions of olefin polymers are critically evaluated, and molecular weight distribution control in industrial catalysts is discussed.</description><identifier>ISSN: 0021-8995</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.1987.070330402</identifier><identifier>CODEN: JAPNAB</identifier><language>eng</language><publisher>New York: Wiley Subscription Services, Inc., A Wiley Company</publisher><subject>Applied sciences ; Exact sciences and technology ; Organic polymers ; Physicochemistry of polymers ; Polymerization ; Preparation, kinetics, thermodynamics, mechanism and catalysts</subject><ispartof>Journal of applied polymer science, 1987-03, Vol.33 (4), p.1021-1065</ispartof><rights>Copyright © 1987 John Wiley & Sons, Inc.</rights><rights>1988 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3462-5cd0380b1a601f4965e0f55e1c644b36bc7d5db419f08b7ee2273c0c08a7fad23</citedby></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.1987.070330402$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapp.1987.070330402$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27903,27904,45553,45554</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=7642424$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Floyd, S.</creatorcontrib><creatorcontrib>Heiskanen, Tomi</creatorcontrib><creatorcontrib>Taylor, T. 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Finally, the hypotheses of diffusion resistance and site heterogeneity as explanations for the broad molecular weight distributions of olefin polymers are critically evaluated, and molecular weight distribution control in industrial catalysts is discussed.</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>Organic polymers</subject><subject>Physicochemistry of polymers</subject><subject>Polymerization</subject><subject>Preparation, kinetics, thermodynamics, mechanism and catalysts</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1987</creationdate><recordtype>article</recordtype><recordid>eNqNkE1v1DAQhi0EEkvhD3DygWvScZzEicSlVP2SqmUlPir1Yk2ccdeQjSM7LWx_Cr8WL1ut4IZ8mIOf5x3Ny9hbAbkAKI5xmnLRNioHBVJCCcUzthDQqqysi-Y5WyRIZE3bVi_Zqxi_AQhRQb1gv1Z-2G4ouEecnR-5t9wPZN0Y-bwO_v5uzdc0U_B3NJK_j9zgjMM2upjzr1c5P7OWzLzTJgyzMwMlHmeOY883GFNKwDFaCjyFT__u6miND86HP_DTH5-CnyglUXzNXlgcIr15mkfsy_nZ59PL7PrjxdXpyXVmZDouq0wPsoFOYA3Clm1dEdiqImHqsuxk3RnVV31XitZC0ymiolDSgIEGlcW-kEes2Oea4GMMZPUU3AbDVgvQu3Z1alfv2tWHdpP0bi9NGA0ONl1pXDyYqi6L9BL2fo_9cANt_yNYn6xWf2_J9rqLM_086Bi-61pJVemb5YVeLlvR3H76oJX8DXhDn58</recordid><startdate>198703</startdate><enddate>198703</enddate><creator>Floyd, S.</creator><creator>Heiskanen, Tomi</creator><creator>Taylor, T. 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Sci</addtitle><date>1987-03</date><risdate>1987</risdate><volume>33</volume><issue>4</issue><spage>1021</spage><epage>1065</epage><pages>1021-1065</pages><issn>0021-8995</issn><eissn>1097-4628</eissn><coden>JAPNAB</coden><abstract>The multigrain model for polymerization of olefins over solid catalysts is used to predict kinetic behavior, molecular weights, and polydispersities. The effects of intraparticle and external boundary layer transport resistance on the kinetic behavior and polymer properties are explored. Means for the experimental detection of intraparticle diffusion resistance are suggested. The importance of catalyst physical properties, such as the porosity, and the catalyst loading is illustrated through simulation. Finally, the hypotheses of diffusion resistance and site heterogeneity as explanations for the broad molecular weight distributions of olefin polymers are critically evaluated, and molecular weight distribution control in industrial catalysts is discussed.</abstract><cop>New York</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><doi>10.1002/app.1987.070330402</doi><tpages>45</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Journal of applied polymer science, 1987-03, Vol.33 (4), p.1021-1065 |
| issn | 0021-8995 1097-4628 |
| language | eng |
| recordid | cdi_crossref_primary_10_1002_app_1987_070330402 |
| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Applied sciences Exact sciences and technology Organic polymers Physicochemistry of polymers Polymerization Preparation, kinetics, thermodynamics, mechanism and catalysts |
| title | Polymerization of olefins through heterogeneous catalysis. VI. Effect of particle heat and mass transfer on polymerization behavior and polymer properties |
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