Poly(ether imide)/Epoxy Foam Composites with a Microcellular Structure and Ultralow Density: Bead Foam Fabrication, Compression Molding, Mechanical Properties, Thermal Stability, and Flame-Retardant Properties
文献类型：期刊论文
| 作者 | Jiang, Junjie; Feng, Weiwei; Zhao, Dan; Zhai, Wentao |
| 刊名 | ACS OMEGA
 |
| 出版日期 | 2020 |
| 卷号 | 5期号:40页码:25784-25797 |
| 关键词 | SUPERCRITICAL CARBON-DIOXIDE POLY(LACTIC ACID) INDUCED CRYSTALLIZATION POLYMERIC FOAMS POLYPROPYLENE BEHAVIOR CO2 BLENDS |
| DOI | 10.1021/acsomega.0c03072 |
| 英文摘要 | It is challenging to prepare ultralow-density microcellular foams based on high-performance polymers due to their low gas solubility and rigid polymer matrix. In this study, by applying microcellular foaming technology using CO2/acetone as the blowing agent, ultralow-density poly(ether imide) (PEI) bead foams with an expansion ratio of 30-56 times and cell density of 10(7)-10(9) cells/cm(3) were fabricated, resulting from the enhanced plasticization effect of the mixed fluid. The slow diffusivity of acetone at room temperature ensured the saturated PEI beads to foam after desorption for more than 6 days, which potentially reduces the transportation cost of PEI bead foams significantly. A novel compression molding process was developed to prepare the molded PEI bead foams (MPEIs) using epoxy as a coating agent. The good infiltration character of epoxy on bead foams endowed the MPEIs with excellent mechanical properties, together with an ultralow density of 80-200 kg/m(3), long-term dimensional stability at 160 degrees C, and excellent flame-retardant properties of VO rating. These features made the MPEIs very promising for many advanced applications. |
| 学科主题 | Chemistry |
| 源URL | [http://ir.nimte.ac.cn/handle/174433/20420]  |
| 专题 | 2020专题 2020专题_期刊论文 |
| 作者单位 | 1.Zhao, D 2.Zhai, WT (corresponding author), Sun Yat Sen Univ, Sch Mat Sci & Engn, Guangzhou 510275, Peoples R China. |
| 推荐引用方式 GB/T 7714 | Jiang, Junjie,Feng, Weiwei,Zhao, Dan,et al. Poly(ether imide)/Epoxy Foam Composites with a Microcellular Structure and Ultralow Density: Bead Foam Fabrication, Compression Molding, Mechanical Properties, Thermal Stability, and Flame-Retardant Properties[J]. ACS OMEGA,2020,5(40):25784-25797. |
| APA | Jiang, Junjie,Feng, Weiwei,Zhao, Dan,&Zhai, Wentao.(2020).Poly(ether imide)/Epoxy Foam Composites with a Microcellular Structure and Ultralow Density: Bead Foam Fabrication, Compression Molding, Mechanical Properties, Thermal Stability, and Flame-Retardant Properties.ACS OMEGA,5(40),25784-25797. |
| MLA | Jiang, Junjie,et al."Poly(ether imide)/Epoxy Foam Composites with a Microcellular Structure and Ultralow Density: Bead Foam Fabrication, Compression Molding, Mechanical Properties, Thermal Stability, and Flame-Retardant Properties".ACS OMEGA 5.40(2020):25784-25797. |
入库方式： OAI收割
来源：宁波材料技术与工程研究所
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