Synthesis of hydrophilic copolyesters and the characterization of their moisture-related cooling properties

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• 作者：Chan Sol Kang ; Ho Jin Yoon ; Choong Hee Hong ; Sun Jin Kwon…
• 关键词：Copolyesters ; Thermal properties ; Hydrophilicity ; Cooling properties ; Washing durability
• 刊名：Fibers and Polymers
• 出版年：2015
• 出版时间：December 2015
• 年：2015
• 卷：16
• 期：12
• 页码：2513-2518
• 全文大小：522 KB
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• 作者单位：Chan Sol Kang (3)
  Ho Jin Yoon (3)
  Choong Hee Hong (3)
  Sun Jin Kwon (1)
  Hyun Sun Kim (2)
  Doo Hyun Baik (3)
  
  3. Department of Advanced Organic Materials & Textile System Engineering, Chungnam National University, Daejeon, 34134, Korea
  1. Korea Apparel Testing and Research Institute, Seoul, 02579, Korea
  2. Huvis R&D Center, Daejeon, 34326, Korea
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Polymer Sciences
  
• 出版者：The Korean Fiber Society
• ISSN：1875-0052

文摘

A series of copolyesters (Co-PETs) containing poly(ethylene glycol) (PEG), 5-sodiumsulfodimethyl isophthalate (DMS), and dimethyl isophthalate (DMI) were synthesized via the conventional two-step melt-polycondensation method. The synthesized Co-PETs were characterized by 1H-NMR spectroscopy, FT-IR spectroscopy, differential scanning calorimeter (DSC), and thermogravimetric analyzer (TGA). The DSC results showed that the melting temperature (T _m) and the heats of fusion (ΔH _m) of Co-PETs decreased with increasing the DMS content in Co-PET, while the inclusion of PEG did not affect their thermal properties significantly. The water absorption and the water contact angle of the Co-PET films were found to be significantly affected by the DMS content rather than PEG content. The moisture-related cooling properties of the fabric samples made of Co-PET 5 as well as PET were evaluated by using liquid moisture management tester (MMT) and Q _max measurements. The MMT and Q _max results indicated that Co-PET 5 fabric containing DMS 1.0 mol% and PEG 10.0 wt% in Co-PET seemed to be a good candidate for the fabric having durable cooling effects. Keywords Copolyesters Thermal properties Hydrophilicity Cooling properties Washing durability