文化大學機構典藏 CCUR:Item 987654321/35410
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    题名: In situ pultrusion of vinyl ester/nano-mica matrix composites: Process feasibility and process parameters
    作者: Chiang, CL (Chiang, Chin-Lung)
    Chen, CH (Chen, Chin-Hsing)
    贡献者: 化材系
    关键词: Pultrusion
    vinyl ester
    nano-mica
    composites
    日期: 2016-11
    上传时间: 2017-02-16 09:46:13 (UTC+8)
    摘要: We conducted a feasibility study on the pultrusion of glass fiber-reinforced vinyl ester/nano-mica matrix composites through a proprietary in situ method. The matrix prepolymer for pultrusion is to be prepared by blends of vinyl ester, initiator (t-butyl perbenzoate), and nano-mica. It is desired to investigate the process feasibility and parameters of the unidirectional glass fiber-reinforced vinyl ester/nano-mica matrix composites through in situ pultrusion. The characteristics of long pot life, high reactivity, and excellent glass fiber wet out of the vinyl ester/nano-mica matrix confirmed its excellent process feasibility for in situ pultrusion. The effects of the optimal process parameters, including die temperature, pulling rate, postcure temperature and time, filler (nano-mica) content, and glass fiber content, were investigated. The optimal die temperature was determined on the basis of a differential scanning calorimetry diagram and conversion of the vinyl ester/nano-mica matrix. The mechanical properties of pultruded composites decreased with increasing pulling rate and increased at a suitable postcure temperature and time. Furthermore, the properties decreased because of the degradation of pultruded composites for a long postcure time. The mechanical properties of pultruded composites achieved maximum values at 2 phr and 75.6vol% corresponding to nano-mica and glass fiber content and then decreased.
    關聯: JOURNAL OF REINFORCED PLASTICS AND COMPOSITES 卷: 35 期:21 頁碼: 1554-1565
    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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