Abstract
To investigate the influence of AO 2246 and AO 4426 on the damping properties of polyvinyl alcohol/chlorinated polyethylene (PVA/CPE) composites, a series of composites were prepared by adding AO 4426 into PVA/CPE-AO 2246 under the constant mass ratio of hindered phenol in the composites. The dynamic mechanical properties and microstructure of materials were investigated by DMA, DSC, SEM, and FT-IR. The results showed that a new damping peak appeared near 50 °C by adding AO 4426, which indicated phase separation between AO 4426 and the matrix occurred. With the increase of AO 4426, the damping peaks in the low-temperature section were improved. The value of low-lying region between the double damping peaks, when the hindered phenol coexisted was higher than that of the composites containing only AO 4426, which indicated that the damping temperature domain of the composites was effectively broadened. At the melting temperature of AO 4426 microcrystalline and AO 2246 microcrystalline, no obvious peaks were observed simultaneously, indicating that the hindered phenols inhibited the crystallization of each other.
Funding source: Applied Research Foundation of Nantong city, Jiangsu Province, China
Award Identifier / Grant number: JC2018107
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Research ethics: Not applicable.
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Informed consent: Not applicable.
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Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission. Jiang Sheng: conceptualization, experimental work, data analysis, and writing. Zhang Yong: writing – review & editing.
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Use of Large Language Models, AI and Machine Learning Tools: None declared.
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Conflict of interest: The authors state no conflict of interest.
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Research funding: This work was financially supported by Applied Research Foundation of Nantong city, Jiangsu Province, China (JC2018107).
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Data availability: The raw data can be obtained on request from Jiang Sheng.
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Articles in the same Issue
- Frontmatter
- Material Properties
- The latest research status of porous sound-absorbing materials
- Thermal annealing and microwave irradiation in enhancing the mechanical performance of 3D printing CF/PA12 composite
- Investigation into the crystallization of poly-lactic acid following the application of a novel high molecular weight, high epoxy functionality polymer chain extender
- Effect of AO 4426 on damping properties of PVA/CPE-AO 2246
- Preparation and Assembly
- Curcumin-encapsulated Pluronic micelles in chitosan/PEO nanofibers: a controlled release strategy for wound healing applications
- Photocatalytic g-C3N4/poly(2-acrylamido-2-methylpropane sulfonic acid) composite hydrogel triggering the synergetic effect for long-lasting sustainable purifying organic wastewater
- Engineering and Processing
- A dynamic pressure strategy to minimize void formation in vacuum infusion
- Design and application of soft robot grippers using low-viscosity silicone by lost core injection molding manufacturing method