Fabricating a partial wetting structure for improving the toughness of intumescent flame-retardant HDPE
Pan Zhao
Chemical Engineering and Pharmaceutics School, Henan University of Science and Technology, Luoyang, 471023 China
Search for more papers by this authorXiping Gao
Chemical Engineering and Pharmaceutics School, Henan University of Science and Technology, Luoyang, 471023 China
Jiangxi Province Key Laboratory of Polymer Micro/Nano Manufacturing and Devices, East China University of Technology, Nanchang, 330013 China
Search for more papers by this authorCorresponding Author
Chang Lu
Chemical Engineering and Pharmaceutics School, Henan University of Science and Technology, Luoyang, 471023 China
Correspondence to: C. Lu (E-mail: [email protected]) and D. Yao (E-mail: [email protected])Search for more papers by this authorXiao Wang
Chemical Engineering and Pharmaceutics School, Henan University of Science and Technology, Luoyang, 471023 China
Search for more papers by this authorYuxin He
Chemical Engineering and Pharmaceutics School, Henan University of Science and Technology, Luoyang, 471023 China
Search for more papers by this authorCorresponding Author
Dahu Yao
Chemical Engineering and Pharmaceutics School, Henan University of Science and Technology, Luoyang, 471023 China
Jiangxi Province Key Laboratory of Polymer Micro/Nano Manufacturing and Devices, East China University of Technology, Nanchang, 330013 China
Correspondence to: C. Lu (E-mail: [email protected]) and D. Yao (E-mail: [email protected])Search for more papers by this authorPan Zhao
Chemical Engineering and Pharmaceutics School, Henan University of Science and Technology, Luoyang, 471023 China
Search for more papers by this authorXiping Gao
Chemical Engineering and Pharmaceutics School, Henan University of Science and Technology, Luoyang, 471023 China
Jiangxi Province Key Laboratory of Polymer Micro/Nano Manufacturing and Devices, East China University of Technology, Nanchang, 330013 China
Search for more papers by this authorCorresponding Author
Chang Lu
Chemical Engineering and Pharmaceutics School, Henan University of Science and Technology, Luoyang, 471023 China
Correspondence to: C. Lu (E-mail: [email protected]) and D. Yao (E-mail: [email protected])Search for more papers by this authorXiao Wang
Chemical Engineering and Pharmaceutics School, Henan University of Science and Technology, Luoyang, 471023 China
Search for more papers by this authorYuxin He
Chemical Engineering and Pharmaceutics School, Henan University of Science and Technology, Luoyang, 471023 China
Search for more papers by this authorCorresponding Author
Dahu Yao
Chemical Engineering and Pharmaceutics School, Henan University of Science and Technology, Luoyang, 471023 China
Jiangxi Province Key Laboratory of Polymer Micro/Nano Manufacturing and Devices, East China University of Technology, Nanchang, 330013 China
Correspondence to: C. Lu (E-mail: [email protected]) and D. Yao (E-mail: [email protected])Search for more papers by this authorABSTRACT
A multistep processing method was developed to fabricate a partial wetting morphology for improving toughness of flame retardant polymer. In the first step, high-density polyethylene (HDPE) and nylon 6 (PA6) were melt-extruded with intumescent flame retardant (IFR) for fabricating HDPE/PA6/IFR blends with a core–shell structure (core: IFR, shell: PA6). At the second step, maleic anhydride-grafted-linear low-density polyethylene (LLDPE-g-MAH) was melted with HDPE/PA6/IFR at processing temperatures slightly below the melting temperature of PA6 to produce a partial wetting morphology in which LLDPE-g-MAH phase with the sphere was dispersed at the HDPE/PA6 interface. The effect of the LLDPE-g-MAH content on the impact strength was investigated, and high toughness was exhibited in the blend with 2 wt % LLDPE-g-MAH. Its elongation at break and notched impact strength were 43 and 270% higher, respectively, than that of neat HDPE. The unique interface failure mode was responsible for the high impact strength. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020, 137, 48735.
CONFLICT OF INTEREST
The authors declare no conflict of interest.
Supporting Information
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| app_48735-sup-0001-Supinfo1.pdfPDF document, 1,001 KB | Appendix 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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