Shape memory performance of green in situ polymerized nanocomposites based on polyurethane/graphene nanoplatelets: Synthesis, properties, and cell behavior
Nowadays, developing biocompatible shape memory polymers is among major expanding topics in medical applications. In this study, novel biocompatible polyurethane/graphene nanoplatelet (PU/GNp) nanocomposites were synthesized from poly(ε–caprolactone)diol (PCL diol)/Castor oil and Hexamethylene diiso...
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| Veröffentlicht in: | Polymer composites 2018-11, Vol.39 (11), p.4020-4033 |
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| creator | Abbasi, Aida Mir Mohamad Sadeghi, Gity Ghasemi, Ismaeil Shahrousvand, Mohsen |
| description | Nowadays, developing biocompatible shape memory polymers is among major expanding topics in medical applications. In this study, novel biocompatible polyurethane/graphene nanoplatelet (PU/GNp) nanocomposites were synthesized from poly(ε–caprolactone)diol (PCL diol)/Castor oil and Hexamethylene diisocyanate (HDI) through in situ polymerization. Three different %wt. of GNp were incorporated into the polyol mixtures to monitor the effect of nano fillers on the shape memory behavior of PUs. The chemical structure of nanocomposites was studied by Fourier transform infrared (FTIR) and nuclear magnetic resonance (NMR) spectroscopies. X‐ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), transmission electron microscopy (TEM), and differential scanning calorimetry (DSC) were used to evaluate the nanocomposites properties. GNp incorporation affected the bulk morphology as well as thermal properties and crystallinity. Dynamic mechanical thermal analysis (DMTA) revealed the higher elastic modulus values for nanocomposites compared to the pure PU. The biocompatibility of PU/GNp nanocomposites was investigated via MTT assay. Finally, based on shape memory studies, the higher crystallinity, and improved elastic modulus of the nanocomposites resulted in their excellent shape fixity (about 91‐96%) and shape recovery (95‐99%) behaviors. According to the results, the prepared PU/GNp nanocomposites can be considered as potential choices for applicable shape memory devices for biomedical applications. POLYM. COMPOS., 39:4020–4033, 2018. © 2017 Society of Plastics Engineers |
| doi_str_mv | 10.1002/pc.24456 |
| format | Article |
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In this study, novel biocompatible polyurethane/graphene nanoplatelet (PU/GNp) nanocomposites were synthesized from poly(ε–caprolactone)diol (PCL diol)/Castor oil and Hexamethylene diisocyanate (HDI) through in situ polymerization. Three different %wt. of GNp were incorporated into the polyol mixtures to monitor the effect of nano fillers on the shape memory behavior of PUs. The chemical structure of nanocomposites was studied by Fourier transform infrared (FTIR) and nuclear magnetic resonance (NMR) spectroscopies. X‐ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), transmission electron microscopy (TEM), and differential scanning calorimetry (DSC) were used to evaluate the nanocomposites properties. GNp incorporation affected the bulk morphology as well as thermal properties and crystallinity. Dynamic mechanical thermal analysis (DMTA) revealed the higher elastic modulus values for nanocomposites compared to the pure PU. The biocompatibility of PU/GNp nanocomposites was investigated via MTT assay. Finally, based on shape memory studies, the higher crystallinity, and improved elastic modulus of the nanocomposites resulted in their excellent shape fixity (about 91‐96%) and shape recovery (95‐99%) behaviors. According to the results, the prepared PU/GNp nanocomposites can be considered as potential choices for applicable shape memory devices for biomedical applications. POLYM. 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In this study, novel biocompatible polyurethane/graphene nanoplatelet (PU/GNp) nanocomposites were synthesized from poly(ε–caprolactone)diol (PCL diol)/Castor oil and Hexamethylene diisocyanate (HDI) through in situ polymerization. Three different %wt. of GNp were incorporated into the polyol mixtures to monitor the effect of nano fillers on the shape memory behavior of PUs. The chemical structure of nanocomposites was studied by Fourier transform infrared (FTIR) and nuclear magnetic resonance (NMR) spectroscopies. X‐ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), transmission electron microscopy (TEM), and differential scanning calorimetry (DSC) were used to evaluate the nanocomposites properties. GNp incorporation affected the bulk morphology as well as thermal properties and crystallinity. Dynamic mechanical thermal analysis (DMTA) revealed the higher elastic modulus values for nanocomposites compared to the pure PU. The biocompatibility of PU/GNp nanocomposites was investigated via MTT assay. Finally, based on shape memory studies, the higher crystallinity, and improved elastic modulus of the nanocomposites resulted in their excellent shape fixity (about 91‐96%) and shape recovery (95‐99%) behaviors. According to the results, the prepared PU/GNp nanocomposites can be considered as potential choices for applicable shape memory devices for biomedical applications. POLYM. COMPOS., 39:4020–4033, 2018. © 2017 Society of Plastics Engineers</description><subject>Atomic force microscopy</subject><subject>Biocompatibility</subject><subject>Biodegradable materials</subject><subject>Biomedical materials</subject><subject>Castor oil</subject><subject>Chemical synthesis</subject><subject>Crystal structure</subject><subject>Crystallinity</subject><subject>Diisocyanates</subject><subject>Fillers</subject><subject>Fourier transforms</subject><subject>Graphene</subject><subject>Hexamethylene diisocyanate</subject><subject>Microscopy</subject><subject>Modulus of elasticity</subject><subject>Morphology</subject><subject>Nanocomposites</subject><subject>NMR</subject><subject>Nuclear magnetic resonance</subject><subject>Organic chemistry</subject><subject>Polymerization</subject><subject>Polymers</subject><subject>Polyurethane resins</subject><subject>Scanning electron microscopy</subject><subject>Thermal analysis</subject><subject>Transmission electron microscopy</subject><subject>X ray spectra</subject><subject>X-ray diffraction</subject><issn>0272-8397</issn><issn>1548-0569</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp10EtLxDAQAOAgCq6r4E8IePFgd9M8-vAmiy8QFFbPJU2n2y5tEpNWqX_FP2vc9epphpmPmWEQOo_JIiaELq1aUM5FcoBmseBZRESSH6IZoSmNMpanx-jE-22QcZKwGfpeN9IC7qE3bsIWXG1cL7UCbGq8cQAatxr7dhixNd3Ug2u_oMJaaqNMb03ogMel9KFo9M6MDoZGalhunLQNaNhp28kBOhj8NV5PemjAt_4KW2fCzqGFkEtdYQVdh0to5Edr3Ck6qmXn4ewvztHb3e3r6iF6er5_XN08RYoxkkSJYELGJc1BZBljlUgUr7NUCuB5VWU8LRWhlJA0VaqkXChCQMiEi5xldVynbI4u9nPDNe8j-KHYmtHpsLKgMUt5RvKcBnW5V8oZ7x3UhXVtL91UxKT4fX1hVbF7faDRnn62HUz_uuJltfc_RtyHhA</recordid><startdate>201811</startdate><enddate>201811</enddate><creator>Abbasi, Aida</creator><creator>Mir Mohamad Sadeghi, Gity</creator><creator>Ghasemi, Ismaeil</creator><creator>Shahrousvand, Mohsen</creator><general>Blackwell Publishing Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0003-2209-4792</orcidid><orcidid>https://orcid.org/0000-0002-6024-7895</orcidid></search><sort><creationdate>201811</creationdate><title>Shape memory performance of green in situ polymerized nanocomposites based on polyurethane/graphene nanoplatelets: Synthesis, properties, and cell behavior</title><author>Abbasi, Aida ; Mir Mohamad Sadeghi, Gity ; Ghasemi, Ismaeil ; Shahrousvand, Mohsen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3306-6535a1b29e58833d56c4f87a5e49dd847bc0220077ccb245c00e5a645938f1f73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Atomic force microscopy</topic><topic>Biocompatibility</topic><topic>Biodegradable materials</topic><topic>Biomedical materials</topic><topic>Castor oil</topic><topic>Chemical synthesis</topic><topic>Crystal structure</topic><topic>Crystallinity</topic><topic>Diisocyanates</topic><topic>Fillers</topic><topic>Fourier transforms</topic><topic>Graphene</topic><topic>Hexamethylene diisocyanate</topic><topic>Microscopy</topic><topic>Modulus of elasticity</topic><topic>Morphology</topic><topic>Nanocomposites</topic><topic>NMR</topic><topic>Nuclear magnetic resonance</topic><topic>Organic chemistry</topic><topic>Polymerization</topic><topic>Polymers</topic><topic>Polyurethane resins</topic><topic>Scanning electron microscopy</topic><topic>Thermal analysis</topic><topic>Transmission electron microscopy</topic><topic>X ray spectra</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Abbasi, Aida</creatorcontrib><creatorcontrib>Mir Mohamad Sadeghi, Gity</creatorcontrib><creatorcontrib>Ghasemi, Ismaeil</creatorcontrib><creatorcontrib>Shahrousvand, Mohsen</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Polymer composites</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Abbasi, Aida</au><au>Mir Mohamad Sadeghi, Gity</au><au>Ghasemi, Ismaeil</au><au>Shahrousvand, Mohsen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Shape memory performance of green in situ polymerized nanocomposites based on polyurethane/graphene nanoplatelets: Synthesis, properties, and cell behavior</atitle><jtitle>Polymer composites</jtitle><date>2018-11</date><risdate>2018</risdate><volume>39</volume><issue>11</issue><spage>4020</spage><epage>4033</epage><pages>4020-4033</pages><issn>0272-8397</issn><eissn>1548-0569</eissn><abstract>Nowadays, developing biocompatible shape memory polymers is among major expanding topics in medical applications. In this study, novel biocompatible polyurethane/graphene nanoplatelet (PU/GNp) nanocomposites were synthesized from poly(ε–caprolactone)diol (PCL diol)/Castor oil and Hexamethylene diisocyanate (HDI) through in situ polymerization. Three different %wt. of GNp were incorporated into the polyol mixtures to monitor the effect of nano fillers on the shape memory behavior of PUs. The chemical structure of nanocomposites was studied by Fourier transform infrared (FTIR) and nuclear magnetic resonance (NMR) spectroscopies. X‐ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), transmission electron microscopy (TEM), and differential scanning calorimetry (DSC) were used to evaluate the nanocomposites properties. GNp incorporation affected the bulk morphology as well as thermal properties and crystallinity. Dynamic mechanical thermal analysis (DMTA) revealed the higher elastic modulus values for nanocomposites compared to the pure PU. The biocompatibility of PU/GNp nanocomposites was investigated via MTT assay. Finally, based on shape memory studies, the higher crystallinity, and improved elastic modulus of the nanocomposites resulted in their excellent shape fixity (about 91‐96%) and shape recovery (95‐99%) behaviors. According to the results, the prepared PU/GNp nanocomposites can be considered as potential choices for applicable shape memory devices for biomedical applications. POLYM. COMPOS., 39:4020–4033, 2018. © 2017 Society of Plastics Engineers</abstract><cop>Newtown</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/pc.24456</doi><tpages>14</tpages><orcidid>https://orcid.org/0000-0003-2209-4792</orcidid><orcidid>https://orcid.org/0000-0002-6024-7895</orcidid></addata></record> |
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| subjects | Atomic force microscopy Biocompatibility Biodegradable materials Biomedical materials Castor oil Chemical synthesis Crystal structure Crystallinity Diisocyanates Fillers Fourier transforms Graphene Hexamethylene diisocyanate Microscopy Modulus of elasticity Morphology Nanocomposites NMR Nuclear magnetic resonance Organic chemistry Polymerization Polymers Polyurethane resins Scanning electron microscopy Thermal analysis Transmission electron microscopy X ray spectra X-ray diffraction |
| title | Shape memory performance of green in situ polymerized nanocomposites based on polyurethane/graphene nanoplatelets: Synthesis, properties, and cell behavior |
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