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首页> 外文期刊>Journal of Applied Polymer Science >Aging studies on flame retardant treated lignocellulosic fibers
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Aging studies on flame retardant treated lignocellulosic fibers

机译：阻燃剂处理的木质纤维素纤维的老化研究

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The study deals with chemical and flame retardant (FR) treatment of flax fabric. Sheets of flax fabric were subjected to chemical treatments using NaOH and silane coupling agents. A phosphate-based flame retardant (DAP) was also applied to improve the flammability of the fabric. The effects of the chemical treatments and FR treatments on flax fabric were investigated using Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), and vertical flame resistance test. Aging studies were carried out by exposing the samples in an environmental chamber at specified conditions for two weeks. The mechanical properties of the fabric, before and after environmental aging, were investigated. Flammability of flax fabric was improved after FR treatment. Thermal studies revealed a shift of decomposition temperature to lower temperatures and an increase in char residue after FR treatment. Despite treatment of the fabric with NaOH and silane, the tensile strength of FR-treated flax fabric declined by more than 90% after aging for two weeks at 90 degrees C and 50% RH. (C) 2016 Wiley Periodicals, Inc.
机译：该研究涉及亚麻织物的化学和阻燃（FR）处理。亚麻织物片使用NaOH和硅烷偶联剂进行化学处理。还使用了磷酸盐基阻燃剂（DAP）来改善织物的可燃性。使用傅里叶变换红外光谱（FTIR），热重分析（TGA）和垂直阻燃性试验研究了化学处理和FR处理对亚麻织物的影响。通过将样品在规定条件下的环境室内暴露两周来进行老化研究。在环境老化之前和之后，研究了织物的机械性能。 FR处理后，亚麻织物的可燃性得到改善。热学研究表明，FR处理后，分解温度向更低的温度移动，并且焦炭残留量增加。尽管用NaOH和硅烷处理了织物，但FR处理的亚麻织物的拉伸强度在90摄氏度和50％RH下老化两周后仍下降了90％以上。 （C）2016威利期刊公司

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