Effect of β-nucleating agents on structure and mechanical properties of dynamic crosslinked ethylene-octene random copolymer/polypropylene and ethylene-octene block copolymer/polypropylene blends
Corresponding Author
Yuanxia Wang
College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang, China
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Correspondence
Yuanxia Wang, Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang 110142, China.
Email: [email protected]
Contribution: Conceptualization (lead), Investigation (lead), Methodology (lead)
Search for more papers by this authorYujiang Wan
College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang, China
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Contribution: Writing - original draft (lead), Writing - review & editing (lead)
Search for more papers by this authorQunfeng Su
College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang, China
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Contribution: Data curation (supporting)
Search for more papers by this authorEnhan Xing
College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang, China
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Contribution: Investigation (supporting)
Search for more papers by this authorQi Hao
College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang, China
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Contribution: Methodology (supporting)
Search for more papers by this authorChenguang Zhang
College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang, China
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Contribution: Project administration (supporting)
Search for more papers by this authorYing Shi
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Contribution: Resources (supporting)
Search for more papers by this authorJiaqi Shen
College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang, China
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Contribution: Software (supporting)
Search for more papers by this authorLixin Song
College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang, China
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Contribution: Supervision (supporting)
Search for more papers by this authorXianliang Li
College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang, China
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Contribution: Validation (supporting)
Search for more papers by this authorCorresponding Author
Yuanxia Wang
College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang, China
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Correspondence
Yuanxia Wang, Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang 110142, China.
Email: [email protected]
Contribution: Conceptualization (lead), Investigation (lead), Methodology (lead)
Search for more papers by this authorYujiang Wan
College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang, China
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Contribution: Writing - original draft (lead), Writing - review & editing (lead)
Search for more papers by this authorQunfeng Su
College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang, China
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Contribution: Data curation (supporting)
Search for more papers by this authorEnhan Xing
College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang, China
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Contribution: Investigation (supporting)
Search for more papers by this authorQi Hao
College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang, China
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Contribution: Methodology (supporting)
Search for more papers by this authorChenguang Zhang
College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang, China
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Contribution: Project administration (supporting)
Search for more papers by this authorYing Shi
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Contribution: Resources (supporting)
Search for more papers by this authorJiaqi Shen
College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang, China
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Contribution: Software (supporting)
Search for more papers by this authorLixin Song
College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang, China
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Contribution: Supervision (supporting)
Search for more papers by this authorXianliang Li
College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang, China
Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang, China
Contribution: Validation (supporting)
Search for more papers by this authorAbstract
Ethylene-octene block copolymer (OBC) and ethylene-octene random copolymer (ORC) replacing EPDM as rubber phase in EPDM/PP vulcanizates with and without β-nucleating agent are prepared in this study. The effect of β-nucleating agent and different chain structure of ethylene-octene copolymers on dynamic crosslinked ORC/PP and OBC/OBC blends are studied. The dynamic crosslinked ORC/PP and OBC/PP result in noticeable phase separation between the elastomer phase and PP phase, as indicated by the presence of two crystallization peaks. β-crystals was proved by the Wide-Angle X-ray Diffraction result. β-nucleating agent finer the crystals of ORC/PP and OBC/PP blends, results in better mechanical property than blends without β-nucleating agent. Dynamic mechanical analysis indicates that the α transition and β transition in ORC/PP tend to exhibit broad peaks, suggesting improved compatibility between ORC and PP. However, due to the effect of β-nucleating agent, the α transition and β transition of β-ORC/PP are distinctly separated. The β-OBC/PP shows higher elongation than β-ORC/PP. The interfacial interaction between ORC and PP is better than OBC and PP, evidenced by the elongation at break of crosslinked OBC exceeds that of crosslinked ORC by 176%, but β-OBC/PP shows only a 124% increase in elongation at break over β-ORC/PP.
Open Research
DATA AVAILABILITY STATEMENT
The data that support the findings of this study are available on request from the corresponding author. The data are not publicly available due to privacy or ethical restrictions.
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