文化大學機構典藏 CCUR:Item 987654321/44612
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    题名: Preparation of long-chain branched polyethylene terephthalates (PETs), and crystallization behaviors, thermal characteristics, and hydrolysis resistance of their biaxially stretching films
    作者: Chen, MH (Chen, Meng-Hsin)
    Lai, CC (Lai, Chiu-Chun)
    Chen, HL (Chen, Hsin-Lung)
    Lin, CH (Lin, Chen-Han)
    Hsiao, HT (Hsiao, Ho-Ting)
    Liu, LC (Liu, Lung-Chang)
    Chen, CM (Chen, Chien-Ming)
    贡献者: 紡織工程學系
    关键词: MELTING BEHAVIOR
    KINETICS
    POLY(ETHYLENE-TEREPHTHALATE)
    TEMPERATURE
    COMPOSITE
    FOAMS
    FABRICATION
    MORPHOLOGY
    STABILITY
    CONCRETE
    日期: 2019-06
    上传时间: 2019-06-18 11:20:44 (UTC+8)
    摘要: Long-chain branched polyethylene terephthalates (PETs) composed of ethylene glycol, terephthalic acid, trimesic acid, and their biaxially stretching films with superior crystal sizes and inferior crystal growth rates, melting points, equilibrium melting points, fold surface free energies, and orientation parameters compared to common PET were manufactured by T-Die extrusion and biaxially stretching treatment. In order to evaluate the hydrolysis resistance for biaxially stretching films of lab-made long-chain branched PETs, we examined their half-life period of elongation, defined as the time for which the films could retain their elongation at 50% during the hydrolysis procedure under conditions of 100% humidity, 1.5 atm pressure and 120 degrees C. Experimental results revealed that biaxially stretching film of long-chain branched PET II had high potential as an optical substrate for optoelectronic devices because its half-life period of elongation was 58 compared to 21 h for common PET.
    显示于类别:[紡織工程學系] 期刊論文

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