Hybrid MWCNT/HNT Nanofillers for Improved Mechanical, Thermal, and Shape Memory Performance of Thermoplastic Polyurethane Composites.
Saved in:
| Title: | Hybrid MWCNT/HNT Nanofillers for Improved Mechanical, Thermal, and Shape Memory Performance of Thermoplastic Polyurethane Composites. |
|---|---|
| Authors: | Garikipati, Naga Mallikarjun Rao1 (AUTHOR), Vakkalagadda, M. R. K.1 (AUTHOR) ravindra.btw@gmail.com |
| Source: | Polymers for Advanced Technologies. Jun2026, Vol. 37 Issue 6, p1-17. 17p. |
| Subjects: | Multiwalled carbon nanotubes, Shape memory polymers, Polyurethanes, Thermal properties, Nanotubes, Mechanical behavior of materials |
| Abstract: | Shape memory thermoplastic polyurethane (SMTP) is used in various applications as it can revert to its original shape upon heating. However, SMTP generally exhibits limited mechanical strength, slow shape recovery, and low thermal diffusivity. In this study, non‐functionalized multiwalled carbon nanotubes (MWCNTs) and halloysite nanotubes (HNTs) were used as hybrid reinforcements in the SMTP matrix at a total loading of 1 weight percentage (wt.%), obtained through injection molding. The hybrid composite samples were subsequently characterized using scanning electron microscopy (SEM), energy‐dispersive X‐ray spectroscopy (EDS), X‐ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), thermal diffusivity measurements, shape recovery assessments, and mechanical performance evaluations (tensile, flexural, impact). The hybrid composites showed enhanced properties compared to pure SMTP. In hybrid reinforced composites, MWCNTs improved stiffness, tensile strength, thermal diffusivity, and shape recovery performance. On the other hand, HNTs improved toughness, retained ductility, and increased flexural strength. The combined advantages of both reinforcements are achieved through these hybrid composites. These results indicate that hybrid composites incorporating non‐functionalized MWCNTs and HNTs can facilitate the efficient and effective fabrication of high‐performance shape‐memory composites for smart actuation applications, biomedical devices, or deployable infrastructure. [ABSTRACT FROM AUTHOR] |
| Copyright of Polymers for Advanced Technologies is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Text: Availability: 0 |
|---|---|
| Header | DbId: egs DbLabel: Engineering Source An: 194871422 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
| IllustrationInfo | |
| Items | – Name: Title Label: Title Group: Ti Data: Hybrid MWCNT/HNT Nanofillers for Improved Mechanical, Thermal, and Shape Memory Performance of Thermoplastic Polyurethane Composites. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Garikipati%2C+Naga+Mallikarjun+Rao%22">Garikipati, Naga Mallikarjun Rao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Vakkalagadda%2C+M%2E+R%2E+K%2E%22">Vakkalagadda, M. R. K.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> ravindra.btw@gmail.com</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Polymers+for+Advanced+Technologies%22">Polymers for Advanced Technologies</searchLink>. Jun2026, Vol. 37 Issue 6, p1-17. 17p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Multiwalled+carbon+nanotubes%22">Multiwalled carbon nanotubes</searchLink><br /><searchLink fieldCode="DE" term="%22Shape+memory+polymers%22">Shape memory polymers</searchLink><br /><searchLink fieldCode="DE" term="%22Polyurethanes%22">Polyurethanes</searchLink><br /><searchLink fieldCode="DE" term="%22Thermal+properties%22">Thermal properties</searchLink><br /><searchLink fieldCode="DE" term="%22Nanotubes%22">Nanotubes</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+behavior+of+materials%22">Mechanical behavior of materials</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Shape memory thermoplastic polyurethane (SMTP) is used in various applications as it can revert to its original shape upon heating. However, SMTP generally exhibits limited mechanical strength, slow shape recovery, and low thermal diffusivity. In this study, non‐functionalized multiwalled carbon nanotubes (MWCNTs) and halloysite nanotubes (HNTs) were used as hybrid reinforcements in the SMTP matrix at a total loading of 1 weight percentage (wt.%), obtained through injection molding. The hybrid composite samples were subsequently characterized using scanning electron microscopy (SEM), energy‐dispersive X‐ray spectroscopy (EDS), X‐ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), thermal diffusivity measurements, shape recovery assessments, and mechanical performance evaluations (tensile, flexural, impact). The hybrid composites showed enhanced properties compared to pure SMTP. In hybrid reinforced composites, MWCNTs improved stiffness, tensile strength, thermal diffusivity, and shape recovery performance. On the other hand, HNTs improved toughness, retained ductility, and increased flexural strength. The combined advantages of both reinforcements are achieved through these hybrid composites. These results indicate that hybrid composites incorporating non‐functionalized MWCNTs and HNTs can facilitate the efficient and effective fabrication of high‐performance shape‐memory composites for smart actuation applications, biomedical devices, or deployable infrastructure. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Polymers for Advanced Technologies is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
| PLink | https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=194871422 |
| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1002/pat.70646 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 17 StartPage: 1 Subjects: – SubjectFull: Multiwalled carbon nanotubes Type: general – SubjectFull: Shape memory polymers Type: general – SubjectFull: Polyurethanes Type: general – SubjectFull: Thermal properties Type: general – SubjectFull: Nanotubes Type: general – SubjectFull: Mechanical behavior of materials Type: general Titles: – TitleFull: Hybrid MWCNT/HNT Nanofillers for Improved Mechanical, Thermal, and Shape Memory Performance of Thermoplastic Polyurethane Composites. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Garikipati, Naga Mallikarjun Rao – PersonEntity: Name: NameFull: Vakkalagadda, M. R. K. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 06 Text: Jun2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 10427147 Numbering: – Type: volume Value: 37 – Type: issue Value: 6 Titles: – TitleFull: Polymers for Advanced Technologies Type: main |
| ResultId | 1 |
