Interpenetrating Polymer Network of Blocked Polyurethane and Phenolic Resin. I. Synthesis, Morphology, and Mechanical Properties

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题名:	Interpenetrating Polymer Network of Blocked Polyurethane and Phenolic Resin. I. Synthesis, Morphology, and Mechanical Properties
作者:	Sun, YY (Sun, Yun-Yun) Chen, CH (Chen, Chin-Hsing)
贡献者:	Dept Chem & Mat Engn
关键词:	POLY(METHYL METHACRYLATE) VINYL-ESTER BEHAVIOR EPOXY IPNS
日期:	2011-02
上传时间:	2013-01-30 11:48:26 (UTC+8)
摘要:	Interpenetrating polymer networks (IPNs) based on blocked polyurethane (BPU)/phenolic (PF) were prepared using simultaneous polymerization method. The IPN was prepared from BPU prepolymer with m-xylylenediamine as the chain extender and PF prepolymer using p-toluene sulfonic acid as a catalyst. From Fourier transform infrared spectra analysis, it was found that the major reactions in the BPU/PF IPN system are the polymerization of BPU/MXDA and the self-polymerization of PF. It was confirmed from scanning electron micrography that the BPU/PF IPN compatibility of the networks was improved, and the system was heterogeneous and more than one phase existed in the IPN. The tensile properties, flexural properties, impact, and hardness of the prepared IPN were studied. To obtain the best mechanical properties of IPN materials, the filler added in IPN materials has to be investigated. POLYM. ENG. SCI., 51:285-293, 2011. (C) 2010 Society of Plastics Engineers
關聯:	POLYMER ENGINEERING AND SCIENCE 卷: 51 期: 2 頁數: 285-293
显示于类别:	[化學工程與材料工程學系暨碩士班] 期刊論文

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