Synergistic effect of OMMT and Ni2O3 on the flame retardancy of LLDPE/EVA composites with magnesium hydroxide
Pengwei Wu
State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
Key Laboratory of Polymer and Catalyst Synthesis Technology of Liaoning Province, School of Environmental and Chemical Engineering, Shenyang University of Technology, Shenyang, China
Contribution: Conceptualization (lead), Formal analysis (lead), Investigation (lead), Writing - original draft (lead)
Search for more papers by this authorCorresponding Author
Jie Liu
State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
Correspondence
Jie Liu, State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
Email: [email protected]
Song Wang, Key Laboratory of Polymer and Catalyst Synthesis Technology of Liaoning Province, School of Environmental and Chemical Engineering, Shenyang University of Technology, Shenyang 110870, China.
Email: [email protected]
Contribution: Data curation (lead), Formal analysis (lead), Supervision (lead), Writing - review & editing (lead)
Search for more papers by this authorCorresponding Author
Song Wang
Key Laboratory of Polymer and Catalyst Synthesis Technology of Liaoning Province, School of Environmental and Chemical Engineering, Shenyang University of Technology, Shenyang, China
Correspondence
Jie Liu, State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
Email: [email protected]
Song Wang, Key Laboratory of Polymer and Catalyst Synthesis Technology of Liaoning Province, School of Environmental and Chemical Engineering, Shenyang University of Technology, Shenyang 110870, China.
Email: [email protected]
Contribution: Data curation (equal), Formal analysis (equal), Writing - review & editing (equal)
Search for more papers by this authorSanxi Li
Key Laboratory of Polymer and Catalyst Synthesis Technology of Liaoning Province, School of Environmental and Chemical Engineering, Shenyang University of Technology, Shenyang, China
Contribution: Validation (equal)
Search for more papers by this authorTao Tang
State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
Contribution: Resources (lead), Writing - review & editing (equal)
Search for more papers by this authorPengwei Wu
State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
Key Laboratory of Polymer and Catalyst Synthesis Technology of Liaoning Province, School of Environmental and Chemical Engineering, Shenyang University of Technology, Shenyang, China
Contribution: Conceptualization (lead), Formal analysis (lead), Investigation (lead), Writing - original draft (lead)
Search for more papers by this authorCorresponding Author
Jie Liu
State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
Correspondence
Jie Liu, State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
Email: [email protected]
Song Wang, Key Laboratory of Polymer and Catalyst Synthesis Technology of Liaoning Province, School of Environmental and Chemical Engineering, Shenyang University of Technology, Shenyang 110870, China.
Email: [email protected]
Contribution: Data curation (lead), Formal analysis (lead), Supervision (lead), Writing - review & editing (lead)
Search for more papers by this authorCorresponding Author
Song Wang
Key Laboratory of Polymer and Catalyst Synthesis Technology of Liaoning Province, School of Environmental and Chemical Engineering, Shenyang University of Technology, Shenyang, China
Correspondence
Jie Liu, State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
Email: [email protected]
Song Wang, Key Laboratory of Polymer and Catalyst Synthesis Technology of Liaoning Province, School of Environmental and Chemical Engineering, Shenyang University of Technology, Shenyang 110870, China.
Email: [email protected]
Contribution: Data curation (equal), Formal analysis (equal), Writing - review & editing (equal)
Search for more papers by this authorSanxi Li
Key Laboratory of Polymer and Catalyst Synthesis Technology of Liaoning Province, School of Environmental and Chemical Engineering, Shenyang University of Technology, Shenyang, China
Contribution: Validation (equal)
Search for more papers by this authorTao Tang
State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
Contribution: Resources (lead), Writing - review & editing (equal)
Search for more papers by this authorAbstract
Organically modified montmorillonite (OMMT) and Ni2O3 were simultaneously introduced into flame-retardant linear low-density polyethylene/ethylene-vinyl acetate/magnesium hydroxide (LEM) composites. Compared with the LEM composite, the thermal stability, and tensile properties of LEM/ remained basically unchanged when 5 wt% of OMMT/Ni2O3 was substituted for MH. The LOI value increased a little from 27.2 to 27.7%. The data from cone calorimeter test showed that the first and second peak heat release rate was reduced by 19% and 67%, respectively. The total heat release and total smoke production showed a significant reduction by 18% and 36% after incorporation of OMMT/Ni2O3, respectively. The mechanism study indicated that the combination of OMMT/Ni2O3 cooperates promote the carbonization of the polymer itself into carbon naotubes, which form a more cohesive char layer with magnesium hydroxide during combustion. This is the core factor responsible for the synergistic effect on reducing the heat release and smoke production in the LEM composite.
CONFLICT OF INTEREST STATEMENT
The authors declare no competing financial interest.
Open Research
DATA AVAILABILITY STATEMENT
The data that support the findings of this study are available from the corresponding author upon reasonable request.
Supporting Information
| Filename | Description |
|---|---|
| app54102-sup-0001-Supinfo.docxWord 2007 document , 11.9 MB | Data S1: Supporting Information |
Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
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