Probing the Effect of Prepolymerization on the Structure and Properties of Phthalonitrile Resin/Basalt Fiber Composites
Corresponding Author
Shuai Zhang
Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu, China
Engineering Research Center of Intelligent Air–Ground Integration Vehicle and Control, Xihua University (Ministry of Education), Chengdu, China
Tianfu Jiangxi Laboratory, Chengdu, China
Correspondence:
Shuai Zhang ([email protected])
Rui Han ([email protected])
Contribution: Conceptualization (lead), Data curation (lead), Funding acquisition (equal), Investigation (equal), Project administration (lead), Writing - review & editing (lead)
Search for more papers by this authorAo Yang
Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu, China
Engineering Research Center of Intelligent Air–Ground Integration Vehicle and Control, Xihua University (Ministry of Education), Chengdu, China
Contribution: Data curation (equal), Investigation (equal), Methodology (equal), Writing - original draft (equal)
Search for more papers by this authorPan He
Sichuan Provincial Engineering Research Center of Functional Development and Application of High-Performance Special Textile Materials, Chengdu Textile College, Chengdu, China
Contribution: Investigation (supporting), Methodology (equal), Supervision (equal)
Search for more papers by this authorYi Lu
Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu, China
Engineering Research Center of Intelligent Air–Ground Integration Vehicle and Control, Xihua University (Ministry of Education), Chengdu, China
Contribution: Investigation (supporting), Resources (supporting)
Search for more papers by this authorGuangzhao Li
Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu, China
Engineering Research Center of Intelligent Air–Ground Integration Vehicle and Control, Xihua University (Ministry of Education), Chengdu, China
Contribution: Investigation (supporting), Supervision (equal)
Search for more papers by this authorJiajia Ye
School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, China
Contribution: Investigation (supporting), Resources (supporting)
Search for more papers by this authorYumin Huang
School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, China
Contribution: Investigation (supporting), Resources (supporting)
Search for more papers by this authorCorresponding Author
Rui Han
Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu, China
Engineering Research Center of Intelligent Air–Ground Integration Vehicle and Control, Xihua University (Ministry of Education), Chengdu, China
Tianfu Jiangxi Laboratory, Chengdu, China
Correspondence:
Shuai Zhang ([email protected])
Rui Han ([email protected])
Contribution: Funding acquisition (equal), Supervision (equal), Writing - original draft (supporting)
Search for more papers by this authorCorresponding Author
Shuai Zhang
Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu, China
Engineering Research Center of Intelligent Air–Ground Integration Vehicle and Control, Xihua University (Ministry of Education), Chengdu, China
Tianfu Jiangxi Laboratory, Chengdu, China
Correspondence:
Shuai Zhang ([email protected])
Rui Han ([email protected])
Contribution: Conceptualization (lead), Data curation (lead), Funding acquisition (equal), Investigation (equal), Project administration (lead), Writing - review & editing (lead)
Search for more papers by this authorAo Yang
Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu, China
Engineering Research Center of Intelligent Air–Ground Integration Vehicle and Control, Xihua University (Ministry of Education), Chengdu, China
Contribution: Data curation (equal), Investigation (equal), Methodology (equal), Writing - original draft (equal)
Search for more papers by this authorPan He
Sichuan Provincial Engineering Research Center of Functional Development and Application of High-Performance Special Textile Materials, Chengdu Textile College, Chengdu, China
Contribution: Investigation (supporting), Methodology (equal), Supervision (equal)
Search for more papers by this authorYi Lu
Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu, China
Engineering Research Center of Intelligent Air–Ground Integration Vehicle and Control, Xihua University (Ministry of Education), Chengdu, China
Contribution: Investigation (supporting), Resources (supporting)
Search for more papers by this authorGuangzhao Li
Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu, China
Engineering Research Center of Intelligent Air–Ground Integration Vehicle and Control, Xihua University (Ministry of Education), Chengdu, China
Contribution: Investigation (supporting), Supervision (equal)
Search for more papers by this authorJiajia Ye
School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, China
Contribution: Investigation (supporting), Resources (supporting)
Search for more papers by this authorYumin Huang
School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, China
Contribution: Investigation (supporting), Resources (supporting)
Search for more papers by this authorCorresponding Author
Rui Han
Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu, China
Engineering Research Center of Intelligent Air–Ground Integration Vehicle and Control, Xihua University (Ministry of Education), Chengdu, China
Tianfu Jiangxi Laboratory, Chengdu, China
Correspondence:
Shuai Zhang ([email protected])
Rui Han ([email protected])
Contribution: Funding acquisition (equal), Supervision (equal), Writing - original draft (supporting)
Search for more papers by this authorFunding: This work was supported by National Natural Science Foundation of China (51703182), the Open Project of Civil Aircraft Fire Science and Safety Engineering Key Laboratory of Sichuan Province (MZ2024KF01), the Sichuan Science and Technology Program (2020ZDZX0029 and 2022ZHCG0089), Chengdu Science and Technology Program (2022-YF09-00020-SN), Chengdu Science and Technology Talents Innovation Program (2021-RC03-00024-CG), and Open Project of Technology Innovation Center of Hydrogen Storage-Transportation and Fueling Equipments for State Market Regulation (TICHE2023001).
ABSTRACT
Prepolymerization is a common procedure in the practical application of high-performance composites based on thermosetting resins, but very few reports studied the effects of prepolymerization on the curing reactivity, the chemical structure, and the properties of the final composites. Therefore, in this work, a phthalonitrile resin with a benzoxazine moiety was selected for prepolymerization and for preparing composites with basalt fiber cloth. It was revealed that the molecular weight increased slightly after prepolymerization, consuming a small number of functional groups and releasing groups with catalytic activity. Consequently, the curing reactivity of the prepolymers increased and then decreased; the toughness and strength increased, but the thermal properties increased and then decreased after prepolymerization. All of the variations resulted from the combined function of generated active groups and decreased molecular mobility; that is, more active groups such as phenolic hydroxyls were released after prepolymerization, but the molecular weight was increased, and functional groups were consumed, which led to difficulty in the motion of the resin melt and the crosslinking reaction.
Conflicts of Interest
The authors declare no conflicts of interest.
Open Research
Data Availability Statement
Data will be made available on request.
Supporting Information
| Filename | Description |
|---|---|
| app56976-sup-0001-Figures.docxWord 2007 document , 360.7 KB |
Figure S1. Storage modulus (G′) and loss modulus (G″) and viscosity changes of prepolymers during rheological tests at elevated temperatures. Figure S2. DSC curves of the prepolymers. |
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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