Study on foaming behavior of block copolymer/inorganic particles co-construction of toughened epoxy resin foams
Taineng Zhou
School of Materials and Energy Engineering, Guizhou Institute of Technology, Guiyang, P. R. China
National Engineering Research Center for Compounding and Modification of Polymeric Materials, Guiyang, P. R. China
Contribution: Data curation (supporting), Formal analysis (supporting), Writing - original draft (supporting)
Search for more papers by this authorCaili Yu
Guizhou Yong Hong Aviation Machinery Co.Ltd, Guiyang, China
Contribution: Formal analysis (equal), Supervision (supporting)
Search for more papers by this authorLe Yang
School of Materials and Energy Engineering, Guizhou Institute of Technology, Guiyang, P. R. China
Contribution: Funding acquisition (supporting), Visualization (supporting)
Search for more papers by this authorWei Liu
School of Materials and Energy Engineering, Guizhou Institute of Technology, Guiyang, P. R. China
Contribution: Funding acquisition (supporting), Visualization (supporting)
Search for more papers by this authorTuanhui Jiang
National Engineering Research Center for Compounding and Modification of Polymeric Materials, Guiyang, P. R. China
Contribution: Formal analysis (supporting), Methodology (supporting)
Search for more papers by this authorXiangbu Zeng
National Engineering Research Center for Compounding and Modification of Polymeric Materials, Guiyang, P. R. China
Contribution: Formal analysis (supporting), Methodology (supporting)
Search for more papers by this authorKuanchun Shen
Guizhou Yong Hong Aviation Machinery Co.Ltd, Guiyang, China
Contribution: Conceptualization (supporting)
Search for more papers by this authorBo Jin
Guizhou Honglin Aero Engine Control Technology Co.Ltd, Guiyang, China
Contribution: Conceptualization (supporting)
Search for more papers by this authorCorresponding Author
Chun Zhang
School of Materials and Energy Engineering, Guizhou Institute of Technology, Guiyang, P. R. China
Correspondence
Chun Zhang, School of Materials and Energy Engineering, Guizhou Institute of Technology, Guiyang 550003, Guizhou, P. R. China.
Email: [email protected]
Li He, National Engineering Research Center for Compounding and Modification of Polymeric Materials, Guiyang 550022, Guizhou, P. R. China.
Email: [email protected]
Contribution: Conceptualization (supporting), Writing - review & editing (supporting)
Search for more papers by this authorCorresponding Author
Li He
National Engineering Research Center for Compounding and Modification of Polymeric Materials, Guiyang, P. R. China
Correspondence
Chun Zhang, School of Materials and Energy Engineering, Guizhou Institute of Technology, Guiyang 550003, Guizhou, P. R. China.
Email: [email protected]
Li He, National Engineering Research Center for Compounding and Modification of Polymeric Materials, Guiyang 550022, Guizhou, P. R. China.
Email: [email protected]
Contribution: Conceptualization (supporting), Visualization (supporting), Writing - review & editing (supporting)
Search for more papers by this authorTaineng Zhou
School of Materials and Energy Engineering, Guizhou Institute of Technology, Guiyang, P. R. China
National Engineering Research Center for Compounding and Modification of Polymeric Materials, Guiyang, P. R. China
Contribution: Data curation (supporting), Formal analysis (supporting), Writing - original draft (supporting)
Search for more papers by this authorCaili Yu
Guizhou Yong Hong Aviation Machinery Co.Ltd, Guiyang, China
Contribution: Formal analysis (equal), Supervision (supporting)
Search for more papers by this authorLe Yang
School of Materials and Energy Engineering, Guizhou Institute of Technology, Guiyang, P. R. China
Contribution: Funding acquisition (supporting), Visualization (supporting)
Search for more papers by this authorWei Liu
School of Materials and Energy Engineering, Guizhou Institute of Technology, Guiyang, P. R. China
Contribution: Funding acquisition (supporting), Visualization (supporting)
Search for more papers by this authorTuanhui Jiang
National Engineering Research Center for Compounding and Modification of Polymeric Materials, Guiyang, P. R. China
Contribution: Formal analysis (supporting), Methodology (supporting)
Search for more papers by this authorXiangbu Zeng
National Engineering Research Center for Compounding and Modification of Polymeric Materials, Guiyang, P. R. China
Contribution: Formal analysis (supporting), Methodology (supporting)
Search for more papers by this authorKuanchun Shen
Guizhou Yong Hong Aviation Machinery Co.Ltd, Guiyang, China
Contribution: Conceptualization (supporting)
Search for more papers by this authorBo Jin
Guizhou Honglin Aero Engine Control Technology Co.Ltd, Guiyang, China
Contribution: Conceptualization (supporting)
Search for more papers by this authorCorresponding Author
Chun Zhang
School of Materials and Energy Engineering, Guizhou Institute of Technology, Guiyang, P. R. China
Correspondence
Chun Zhang, School of Materials and Energy Engineering, Guizhou Institute of Technology, Guiyang 550003, Guizhou, P. R. China.
Email: [email protected]
Li He, National Engineering Research Center for Compounding and Modification of Polymeric Materials, Guiyang 550022, Guizhou, P. R. China.
Email: [email protected]
Contribution: Conceptualization (supporting), Writing - review & editing (supporting)
Search for more papers by this authorCorresponding Author
Li He
National Engineering Research Center for Compounding and Modification of Polymeric Materials, Guiyang, P. R. China
Correspondence
Chun Zhang, School of Materials and Energy Engineering, Guizhou Institute of Technology, Guiyang 550003, Guizhou, P. R. China.
Email: [email protected]
Li He, National Engineering Research Center for Compounding and Modification of Polymeric Materials, Guiyang 550022, Guizhou, P. R. China.
Email: [email protected]
Contribution: Conceptualization (supporting), Visualization (supporting), Writing - review & editing (supporting)
Search for more papers by this authorAbstract
Low toughness and brittleness limit its application range of thermosetting epoxy resin (EP) based foams. In current research, inorganic particles are commonly utilized as heterogeneous nucleating agents to enhance foaming quality and EP toughness. However, the increasing inorganic particle content usually leads to particle agglomeration, which negatively impacts foaming quality and reduces EP performance. Block copolymers, which appear as liquid to effectively mitigate agglomeration, are employed as toughening materials for EP. In this study, a small number of modified calcium silicate particles (MCS) were used as anchor points to induce the distribution of block copolymers (P-F68) to improve EP toughness and effectively enhance cell nucleation, thus, EP/MCS/P-F68 foams performance was improved. The research results showed that EP foams obtained excellent cell structure and very small foam density (0.256 g/cm3) at the P-F68 content of 10 wt%. The continuous increase of P-F68 content would lead to the thickening of cell wall and the increase of cell size. Simultaneously, the core-shell structure formed by P-F68 in EP effectively enhanced the toughness of EP foams and mitigated its brittleness, offering crucial theoretical guidance for toughening and regulating the cell structure of EP foams.
Open Research
DATA AVAILABILITY STATEMENT
The data that support the findings of this study are available from the corresponding author upon reasonable request.
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