Thermal Analysis of PVA Nanofibrous Membranes

机译：PVA纳米纤维膜的热分析

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Thermal behavior of electrospun PVA nanofibrous membranes was studied by thermal analysis techniques i.e.. differential scanning calorimetry (DSC) and thermogravimetric analysis (TC5 A). For the production of nanofibrous membranes needleless (roller) electrospinning method was used. DSC graphs showed that there is a decrease in melting temperature of the PVA polymer when crosslinking agent is used. Moreover, the change in the polymer concentration doesn't influence the Tm. Considering the TGA results, it is realized that while crosslinked PVA nanofibers have weight losses at about 240°C, pure PVA nanofibers have a weight loss at about 290°C.

机译：通过热分析技术研究了电纺PVA纳米纤维膜的热行为..差示扫描量热法（DSC）和热重分析（TC5 A）。对于生产纳米纤维膜来无需（辊）静电纺丝方法。 DSC图表明，当使用交联剂时，PVA聚合物的熔化温度降低。此外，聚合物浓度的变化不会影响TM。考虑到TGA结果，实现了交联PVA纳米纤维在约240℃下具有重量损失，纯PVA纳米纤维在约290℃下具有重量损失。

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《World Textile Conference》|2019年|367 p.|共5页
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Merve Kucukali Ozturk; Banu Nergis; Cevza Candan;
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正文语种
中图分类工程材料学;
关键词
Crosslinking agent; differential scanning calorimetry; PVA nanofibrous membrane; thermogravimetric analysis;

机译：交联剂;差分扫描量热法;PVA纳米纤维膜;热重分析;

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2. The effects of chitin/chitosan nanowhiskers on the thermal, mechanical and dye adsorption properties of electrospun PVA nanofibrous membranes [J] . Cellulose . 2020,第10期

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3. Aminated-Fe3O4 nanoparticles filled chitosan/PVA/PES dual layers nanofibrous membrane for the removal of Cr(VI) and Pb(II) ions from aqueous solutions in adsorption and membrane processes [J] . Koushkbaghi Shahnaz, Zakialamdari Amirabbas, Pishnamazi Mohammad, Chemical engineering journal . 2018,第期

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4. Thermal Analysis of PVA Nanofibrous Membranes [C] . Merve Kucukali Ozturk, Banu Nergis, Cevza Candan World Textile Conference . 2019

机译：PVA纳米纤维膜的热分析
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Thermal Analysis of PVA Nanofibrous Membranes

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