Rate dependence of poly(vinyl chloride), the effects of plasticizer and time-temperature superposition
Rate dependence of poly(vinyl chloride), the effects of plasticizer and time-temperature superposition
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DOI：
10.1098/rspa.2014.0012
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发表时间：
2014-07-08
影响因子：
3.5
通讯作者：
Siviour, Clive R.
中科院分区：
文献类型：
--
作者：
Kendall, Michael J.;Siviour, Clive R.
通过实验和分析相结合的研究，研究了四种不同的聚氯乙烯（PVC）材料，这些材料的增塑剂含量不同，包括室温下应变率范围为10（-3）至10（4）s（-1）的单轴压缩测试，以及温度范围为-115至100摄氏度，速率为10（-2）s（-1）。使用动态机械和热分析仪对每种PVC材料进行额外的测试，以更详细地分析温度和速率依赖性。调节增塑剂含量允许转变（特别是α-转变或“玻璃化转变”和β-转变）发生的温度移动，以便更好地检查温度和应变速率依赖性的相互作用。这个研究计划，然后扩展到时间-温度叠加，一个新的应用和解释建立叠加方法。
Four different poly(vinyl chloride) (PVC) materials varying in plasticizer content were studied in a combined experimental and analytical investigation including uniaxial compression tests at strain rates ranging from 10(-3) to 10(4) s(-1) at room temperature, and temperatures ranging from -115 to 100 degrees C at a rate of 10(-2) s(-1). Additional tests using a dynamic mechanical and thermal analyser were conducted on each PVC material to give a more detailed analysis of temperature and rate dependence. Adjusting the plasticizer content allows the temperature at which transitions, specifically the alpha-transition, or 'glass transition', and beta-transition, occur to be moved in order to better examine the interplay of temperature and strain rate dependence. This program of research is then extended to time-temperature superposition where a novel application and interpretation of an established superposition method is presented.