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题名: Polymerization induced viscoelastic phase separation of porous phenolic resin from solution
作者: Yi, Xiaolin1; Kong, Lei2; Dong, Xia1; Zuo, Xiaobiao2; Kuang, Xiao1; Feng, Zhihai2; Wang, Dujin1
关键词: resol resin ; solvent foaming ; viscoelastic phase separation ; morphology evolution ; porous structure
刊名: POLYMER INTERNATIONAL
发表日期: 2016-09-01
卷: 65, 期:9, 页:1031-1038
收录类别: SCI
英文摘要: The porous structure evolution of thermosetting phenolic resin controlled by polymerization induced viscoelastic phase separation from solution was investigated in this work. The ultimate morphology and the evolution of a porous texture for the resol resin/solvent system were characterized by digital camera and optical microscopy. In-situ Fourier transform infrared spectroscopy and a rheological method were used to trace the curing reaction of the resol resin/solvent system. The impacts of solvent content and curing temperature on the foaming behavior were quantitatively and systematically investigated. Based on the relationship between the morphology evolution and curing dynamics, the foaming mechanism of the polymerization induced viscoelastic phase separation was elucidated. The present work provides new insight into the foaming mechanism of thermosetting materials and may be helpful for morphological control in the preparation of lightweight porous phenolic material. (c) 2016 Society of Chemical Industry
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35350
Appears in Collections:工程塑料实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Engn Plast, Beijing 100190, Peoples R China
2.Aerosp Res Inst Mat & Proc Technol, Sci & Technol Adv Funct Composites Lab, Beijing 100072, Peoples R China
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