Rheological characterization and modeling of vulcanization kinetics of natural rubber/starch blends
ABSTRACT Vulcanization kinetics of natural rubber/starch (NR/ST) blends was investigated by oscillating disc rheometer. The scorch and cure times are significantly reduced with the loading of starch in all blends from 1.15 and 2.22 to 0.91 and 1.88 min, respectively, to improve curing rate. Meanwhil...
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| Veröffentlicht in: | Journal of applied polymer science 2018-06, Vol.135 (23), p.n/a |
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| container_title | Journal of applied polymer science |
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| creator | Alwaan, Ismaeel Moslam |
| description | ABSTRACT
Vulcanization kinetics of natural rubber/starch (NR/ST) blends was investigated by oscillating disc rheometer. The scorch and cure times are significantly reduced with the loading of starch in all blends from 1.15 and 2.22 to 0.91 and 1.88 min, respectively, to improve curing rate. Meanwhile, the maximum torque values and the maximum vulcanization rate of NR/ST blend increase with the starch loading from 1.51 N m and 0.387 min−1 to 2.224 N m and 0.492 min−1 respectively. The results of vulcanization kinetics of NR and its blends revealed that it is controlled by two‐stages, chemical and diffusion. The experimental data of the vulcanization rate of NR/ST blends did not fit with autocatalytic kinetic model except the pure natural rubber. Therefore, the Criado method was used and it was observed that the reaction kinetic model of pure NR and its blends with starch is best described by the D diffusion model (D2). © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46347. |
| doi_str_mv | 10.1002/app.46347 |
| format | Article |
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Vulcanization kinetics of natural rubber/starch (NR/ST) blends was investigated by oscillating disc rheometer. The scorch and cure times are significantly reduced with the loading of starch in all blends from 1.15 and 2.22 to 0.91 and 1.88 min, respectively, to improve curing rate. Meanwhile, the maximum torque values and the maximum vulcanization rate of NR/ST blend increase with the starch loading from 1.51 N m and 0.387 min−1 to 2.224 N m and 0.492 min−1 respectively. The results of vulcanization kinetics of NR and its blends revealed that it is controlled by two‐stages, chemical and diffusion. The experimental data of the vulcanization rate of NR/ST blends did not fit with autocatalytic kinetic model except the pure natural rubber. Therefore, the Criado method was used and it was observed that the reaction kinetic model of pure NR and its blends with starch is best described by the D diffusion model (D2). © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46347.</description><identifier>ISSN: 0021-8995</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.46347</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc</publisher><subject>biomaterials ; Diffusion rate ; Kinetics ; Materials science ; Mixtures ; Natural rubber ; Polymers ; Reaction kinetics ; Rheological properties ; rheology ; rubber ; theory and modeling ; Vulcanization</subject><ispartof>Journal of applied polymer science, 2018-06, Vol.135 (23), p.n/a</ispartof><rights>2018 Wiley Periodicals, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3347-b4560b495720a12dd840b6ee8f0fe93f3d248f4fab5cd1d18732ecbc935e28753</citedby><cites>FETCH-LOGICAL-c3347-b4560b495720a12dd840b6ee8f0fe93f3d248f4fab5cd1d18732ecbc935e28753</cites><orcidid>0000-0003-1407-0344</orcidid></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.46347$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapp.46347$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27922,27923,45572,45573</link.rule.ids></links><search><creatorcontrib>Alwaan, Ismaeel Moslam</creatorcontrib><title>Rheological characterization and modeling of vulcanization kinetics of natural rubber/starch blends</title><title>Journal of applied polymer science</title><description>ABSTRACT
Vulcanization kinetics of natural rubber/starch (NR/ST) blends was investigated by oscillating disc rheometer. The scorch and cure times are significantly reduced with the loading of starch in all blends from 1.15 and 2.22 to 0.91 and 1.88 min, respectively, to improve curing rate. Meanwhile, the maximum torque values and the maximum vulcanization rate of NR/ST blend increase with the starch loading from 1.51 N m and 0.387 min−1 to 2.224 N m and 0.492 min−1 respectively. The results of vulcanization kinetics of NR and its blends revealed that it is controlled by two‐stages, chemical and diffusion. The experimental data of the vulcanization rate of NR/ST blends did not fit with autocatalytic kinetic model except the pure natural rubber. Therefore, the Criado method was used and it was observed that the reaction kinetic model of pure NR and its blends with starch is best described by the D diffusion model (D2). © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46347.</description><subject>biomaterials</subject><subject>Diffusion rate</subject><subject>Kinetics</subject><subject>Materials science</subject><subject>Mixtures</subject><subject>Natural rubber</subject><subject>Polymers</subject><subject>Reaction kinetics</subject><subject>Rheological properties</subject><subject>rheology</subject><subject>rubber</subject><subject>theory and modeling</subject><subject>Vulcanization</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kMtOwzAQRS0EEqWw4A8isWKR1q84ybJCvKRKVAjWlp-tS2oHOwGVryclsGQ1i3PmzugCcIngDEGI56JtZ5QRWh6BCYJ1mVOGq2MwGRjKq7ouTsFZSlsIESogmwD1vDGhCWunRJOpjYhCdSa6L9G54DPhdbYL2jTOr7Ngs4--UcL_0TfnTedUOhAvuj4OEbGX0sR56kRUm0w2xut0Dk6saJK5-J1T8Hp3-3LzkC-f7h9vFstckeHhXNKCQUnrosRQIKx1RaFkxlQWWlMTSzSmlaVWyEJppFFVEmyUVDUpDK7KgkzB1ZjbxvDem9TxbeijH05yDBHBkLEaD9b1aKkYUorG8ja6nYh7jiA_dMiHDvlPh4M7H91P15j9_yJfrFbjxjdtn3Sz</recordid><startdate>20180615</startdate><enddate>20180615</enddate><creator>Alwaan, Ismaeel Moslam</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0003-1407-0344</orcidid></search><sort><creationdate>20180615</creationdate><title>Rheological characterization and modeling of vulcanization kinetics of natural rubber/starch blends</title><author>Alwaan, Ismaeel Moslam</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3347-b4560b495720a12dd840b6ee8f0fe93f3d248f4fab5cd1d18732ecbc935e28753</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>biomaterials</topic><topic>Diffusion rate</topic><topic>Kinetics</topic><topic>Materials science</topic><topic>Mixtures</topic><topic>Natural rubber</topic><topic>Polymers</topic><topic>Reaction kinetics</topic><topic>Rheological properties</topic><topic>rheology</topic><topic>rubber</topic><topic>theory and modeling</topic><topic>Vulcanization</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Alwaan, Ismaeel Moslam</creatorcontrib><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>Alwaan, Ismaeel Moslam</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Rheological characterization and modeling of vulcanization kinetics of natural rubber/starch blends</atitle><jtitle>Journal of applied polymer science</jtitle><date>2018-06-15</date><risdate>2018</risdate><volume>135</volume><issue>23</issue><epage>n/a</epage><issn>0021-8995</issn><eissn>1097-4628</eissn><abstract>ABSTRACT
Vulcanization kinetics of natural rubber/starch (NR/ST) blends was investigated by oscillating disc rheometer. The scorch and cure times are significantly reduced with the loading of starch in all blends from 1.15 and 2.22 to 0.91 and 1.88 min, respectively, to improve curing rate. Meanwhile, the maximum torque values and the maximum vulcanization rate of NR/ST blend increase with the starch loading from 1.51 N m and 0.387 min−1 to 2.224 N m and 0.492 min−1 respectively. The results of vulcanization kinetics of NR and its blends revealed that it is controlled by two‐stages, chemical and diffusion. The experimental data of the vulcanization rate of NR/ST blends did not fit with autocatalytic kinetic model except the pure natural rubber. Therefore, the Criado method was used and it was observed that the reaction kinetic model of pure NR and its blends with starch is best described by the D diffusion model (D2). © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46347.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/app.46347</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0003-1407-0344</orcidid></addata></record> |
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| subjects | biomaterials Diffusion rate Kinetics Materials science Mixtures Natural rubber Polymers Reaction kinetics Rheological properties rheology rubber theory and modeling Vulcanization |
| title | Rheological characterization and modeling of vulcanization kinetics of natural rubber/starch blends |
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