Skip to content Skip to navigation
University of Warwick
  • Study
  • |
  • Research
  • |
  • Business
  • |
  • Alumni
  • |
  • News
  • |
  • About

University of Warwick
Publications service & WRAP

Highlight your research

  • WRAP
    • Home
    • Search WRAP
    • Browse by Warwick Author
    • Browse WRAP by Year
    • Browse WRAP by Subject
    • Browse WRAP by Department
    • Browse WRAP by Funder
    • Browse Theses by Department
  • Publications Service
    • Home
    • Search Publications Service
    • Browse by Warwick Author
    • Browse Publications service by Year
    • Browse Publications service by Subject
    • Browse Publications service by Department
    • Browse Publications service by Funder
  • Help & Advice
University of Warwick

The Library

  • Login
  • Admin

Composites of cysteamine functionalised graphene oxide and polypropylene

Tools
- Tools
+ Tools

Abbas, Syeda S. and McNally, Tony (2021) Composites of cysteamine functionalised graphene oxide and polypropylene. International Polymer Processing, 36 (3). pp. 297-313. doi:10.1515/ipp-2020-4079

[img] PDF
WRAP-Composites-cysteamine-functionalised-graphene-oxide-polypropylene-2021.pdf - Accepted Version
Embargoed item. Restricted access to Repository staff only until 7 July 2022. Contact author directly, specifying your specific needs. - Requires a PDF viewer.

Download (1441Kb)
Official URL: https://doi.org/10.1515/ipp-2020-4079

Request Changes to record.

Abstract

Cysteamine functionalised reduced graphene oxide (rGO) was grafted to polypropylene-graft-maleic anhydride (PP-g-MA) and subsequently melt blended with PP. The covalent bridging of rGO to PP-g-MA via the cysteamine molecule and co-crystallization are routes to promoting interfacial interactions between rGO and the PP matrix. A rheological percolation threshold was achieved for a nanofiller loading between 3 wt% and 5 wt%, but none detected for the composites prepared with un-functionalized rGO. At low loadings (0.1 wt%), functionalized rGO is well dispersed in the PP matrix, an interconnecting filler-filler, polymer-filler and polymer-polymer network is formed, resulting in increased tensile toughness (1 500%) and elongation at break (40%) relative to neat PP. Irrespective of whether the rGO was functionalised or not, it had a significant effect on the crystallization behavior of PP, inducing heterogeneous nucleation, increasing the crystallisation temperature (Tm) of PP by up to 10°C and decreasing the crystalline content (Xc) by ∼30% for the highest (5 wt%) filler loading. The growth of the monoclinic a-phase of PP is preferred on addition of functionalised rGO and b crystal growth suppressed.

Item Type: Journal Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TP Chemical technology
Divisions: Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group)
Library of Congress Subject Headings (LCSH): Nanostructured materials, Graphene, Polypropylene, Polymers
Journal or Publication Title: International Polymer Processing
Publisher: De Gruyter
ISSN: 0930-777X
Official Date: 27 July 2021
Dates:
DateEvent
27 July 2021Published
7 July 2021Available
4 February 2021Accepted
Volume: 36
Number: 3
Page Range: pp. 297-313
DOI: 10.1515/ipp-2020-4079
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
iCASE PhD studentship[EPSRC] Engineering and Physical Sciences Research Councilhttp://dx.doi.org/10.13039/501100000266
iCASE PhD studentshipJaguar Land Rover (Firm)http://viaf.org/viaf/305209406
Related URLs:
  • Publisher

Request changes or add full text files to a record

Repository staff actions (login required)

View Item View Item
twitter

Email us: wrap@warwick.ac.uk
Contact Details
About Us