Investigation of the microstructures, properties, and toughening mechanism of polypropylene/calcium carbonate toughening masterbatch composites
ABSTRACT The morphologies, crystallization and melting behaviors, and mechanical, thermal and processing properties of polypropylene (PP)/CaCO3 toughening masterbatch (CTM) composites were investigated. The good dispersion of CaCO3 particles via appropriate surface encapsulation in the composites is...
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| Veröffentlicht in: | Journal of applied polymer science 2017-12, Vol.134 (46), p.n/a |
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| creator | Lu, Qi‐Cheng Dou, Qiang |
| description | ABSTRACT
The morphologies, crystallization and melting behaviors, and mechanical, thermal and processing properties of polypropylene (PP)/CaCO3 toughening masterbatch (CTM) composites were investigated. The good dispersion of CaCO3 particles via appropriate surface encapsulation in the composites is proven by density measurements and scanning electron microscopy images. The crystallinity and tensile strength of PP decrease with the addition of CTM. The flexural modulus and storage modulus (E′) at 23 °C increase with CTM content, implying improved stiffness. A sharp increase in the Izod notched impact strength can be observed for the composites, and the critical ligament thickness (τc) is calculated to be 1.31 and 2.46 μm for PP (S1003) and PP (001 G) composites, respectively. The morphologies of the impact‐fractured surfaces of the specimens were observed, and the shear deformation is enhanced by the addition of CTM. The presence of CTM also increases the melt flowability and decreases the shrinkage of the composites. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 45515. |
| doi_str_mv | 10.1002/app.45515 |
| format | Article |
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The morphologies, crystallization and melting behaviors, and mechanical, thermal and processing properties of polypropylene (PP)/CaCO3 toughening masterbatch (CTM) composites were investigated. The good dispersion of CaCO3 particles via appropriate surface encapsulation in the composites is proven by density measurements and scanning electron microscopy images. The crystallinity and tensile strength of PP decrease with the addition of CTM. The flexural modulus and storage modulus (E′) at 23 °C increase with CTM content, implying improved stiffness. A sharp increase in the Izod notched impact strength can be observed for the composites, and the critical ligament thickness (τc) is calculated to be 1.31 and 2.46 μm for PP (S1003) and PP (001 G) composites, respectively. The morphologies of the impact‐fractured surfaces of the specimens were observed, and the shear deformation is enhanced by the addition of CTM. The presence of CTM also increases the melt flowability and decreases the shrinkage of the composites. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 45515.</description><identifier>ISSN: 0021-8995</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.45515</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc</publisher><subject>Calcium carbonate ; Crystallinity ; Crystallization ; Deformation mechanisms ; Impact strength ; Materials science ; microscopy ; Modulus of rupture in bending ; morphology ; Particle physics ; Particulate composites ; Polymer matrix composites ; Polymers ; polyolefins ; Polypropylene ; Shear deformation ; Shrinkage ; Stiffness ; Storage modulus ; structure‐property relationships ; Toughening</subject><ispartof>Journal of applied polymer science, 2017-12, Vol.134 (46), p.n/a</ispartof><rights>2017 Wiley Periodicals, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2975-6400bbbd955b9509653347d0e9191dd80de8af0de729bd854b8d66af958424e63</citedby><cites>FETCH-LOGICAL-c2975-6400bbbd955b9509653347d0e9191dd80de8af0de729bd854b8d66af958424e63</cites><orcidid>0000-0003-0539-2923</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.45515$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapp.45515$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,781,785,1418,27929,27930,45579,45580</link.rule.ids></links><search><creatorcontrib>Lu, Qi‐Cheng</creatorcontrib><creatorcontrib>Dou, Qiang</creatorcontrib><title>Investigation of the microstructures, properties, and toughening mechanism of polypropylene/calcium carbonate toughening masterbatch composites</title><title>Journal of applied polymer science</title><description>ABSTRACT
The morphologies, crystallization and melting behaviors, and mechanical, thermal and processing properties of polypropylene (PP)/CaCO3 toughening masterbatch (CTM) composites were investigated. The good dispersion of CaCO3 particles via appropriate surface encapsulation in the composites is proven by density measurements and scanning electron microscopy images. The crystallinity and tensile strength of PP decrease with the addition of CTM. The flexural modulus and storage modulus (E′) at 23 °C increase with CTM content, implying improved stiffness. A sharp increase in the Izod notched impact strength can be observed for the composites, and the critical ligament thickness (τc) is calculated to be 1.31 and 2.46 μm for PP (S1003) and PP (001 G) composites, respectively. The morphologies of the impact‐fractured surfaces of the specimens were observed, and the shear deformation is enhanced by the addition of CTM. The presence of CTM also increases the melt flowability and decreases the shrinkage of the composites. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 45515.</description><subject>Calcium carbonate</subject><subject>Crystallinity</subject><subject>Crystallization</subject><subject>Deformation mechanisms</subject><subject>Impact strength</subject><subject>Materials science</subject><subject>microscopy</subject><subject>Modulus of rupture in bending</subject><subject>morphology</subject><subject>Particle physics</subject><subject>Particulate composites</subject><subject>Polymer matrix composites</subject><subject>Polymers</subject><subject>polyolefins</subject><subject>Polypropylene</subject><subject>Shear deformation</subject><subject>Shrinkage</subject><subject>Stiffness</subject><subject>Storage modulus</subject><subject>structure‐property relationships</subject><subject>Toughening</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp1kE1PhDAQhhujievHwX_QxJOJ7LZAgR43Gz822cQ96JmUMizdQItt0fAr_MuCePHgpdNknndm8iB0Q8mSEhKuRNctY8YoO0ELSngaxEmYnaLF2KNBxjk7RxfOHQmhlJFkgb62-gOcVwfhldHYVNjXgFslrXHe9tL3Ftw97qzpwHo1_YUusTf9oQat9AG3IGuhlWuncGeaYWKHBjSspGik6lsshS2MFh7-5ITzYAvhZY2laTvjlAd3hc4q0Ti4_q2X6O3x4XXzHOxenrab9S6QIU9ZkMSEFEVRcsYKzghPWBTFaUmAU07LMiMlZKIa3zTkRZmxuMjKJBEVZ1kcxpBEl-h2njte-96PBvKj6a0eV-aURzFNeZrSkbqbqUmHs1DlnVWtsENOST75zkff-Y_vkV3N7KdqYPgfzNf7_Zz4BpdThgI</recordid><startdate>20171210</startdate><enddate>20171210</enddate><creator>Lu, Qi‐Cheng</creator><creator>Dou, Qiang</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/0000-0003-0539-2923</orcidid></search><sort><creationdate>20171210</creationdate><title>Investigation of the microstructures, properties, and toughening mechanism of polypropylene/calcium carbonate toughening masterbatch composites</title><author>Lu, Qi‐Cheng ; Dou, Qiang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2975-6400bbbd955b9509653347d0e9191dd80de8af0de729bd854b8d66af958424e63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Calcium carbonate</topic><topic>Crystallinity</topic><topic>Crystallization</topic><topic>Deformation mechanisms</topic><topic>Impact strength</topic><topic>Materials science</topic><topic>microscopy</topic><topic>Modulus of rupture in bending</topic><topic>morphology</topic><topic>Particle physics</topic><topic>Particulate composites</topic><topic>Polymer matrix composites</topic><topic>Polymers</topic><topic>polyolefins</topic><topic>Polypropylene</topic><topic>Shear deformation</topic><topic>Shrinkage</topic><topic>Stiffness</topic><topic>Storage modulus</topic><topic>structure‐property relationships</topic><topic>Toughening</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lu, Qi‐Cheng</creatorcontrib><creatorcontrib>Dou, Qiang</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>Lu, Qi‐Cheng</au><au>Dou, Qiang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation of the microstructures, properties, and toughening mechanism of polypropylene/calcium carbonate toughening masterbatch composites</atitle><jtitle>Journal of applied polymer science</jtitle><date>2017-12-10</date><risdate>2017</risdate><volume>134</volume><issue>46</issue><epage>n/a</epage><issn>0021-8995</issn><eissn>1097-4628</eissn><abstract>ABSTRACT
The morphologies, crystallization and melting behaviors, and mechanical, thermal and processing properties of polypropylene (PP)/CaCO3 toughening masterbatch (CTM) composites were investigated. The good dispersion of CaCO3 particles via appropriate surface encapsulation in the composites is proven by density measurements and scanning electron microscopy images. The crystallinity and tensile strength of PP decrease with the addition of CTM. The flexural modulus and storage modulus (E′) at 23 °C increase with CTM content, implying improved stiffness. A sharp increase in the Izod notched impact strength can be observed for the composites, and the critical ligament thickness (τc) is calculated to be 1.31 and 2.46 μm for PP (S1003) and PP (001 G) composites, respectively. The morphologies of the impact‐fractured surfaces of the specimens were observed, and the shear deformation is enhanced by the addition of CTM. The presence of CTM also increases the melt flowability and decreases the shrinkage of the composites. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 45515.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/app.45515</doi><tpages>16</tpages><orcidid>https://orcid.org/0000-0003-0539-2923</orcidid></addata></record> |
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| subjects | Calcium carbonate Crystallinity Crystallization Deformation mechanisms Impact strength Materials science microscopy Modulus of rupture in bending morphology Particle physics Particulate composites Polymer matrix composites Polymers polyolefins Polypropylene Shear deformation Shrinkage Stiffness Storage modulus structure‐property relationships Toughening |
| title | Investigation of the microstructures, properties, and toughening mechanism of polypropylene/calcium carbonate toughening masterbatch composites |
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