Synthesis, Structure and Thermal Properties of Poly(vinyl alcohol)-g-isocyanate-fatty Alcohol Comb Copolymers
文献类型：期刊论文
| 作者 | Shi Hai-Feng1,2; Li Jian-Hua1; Yin Yi-Ping1; Zhang Xing-Xiang1; Wang Du-Jin2 |
| 刊名 | CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
 |
| 出版日期 | 2012-07-10 |
| 卷号 | 33期号:7页码:1613-1618 |
| 关键词 | Poly(Vinyl Alcohol) Thermal Energy Storage Comb-like Polymer Phase Change Material |
| ISSN号 | 0251-0790 |
| DOI | 10.3969/j.issn.0251-0790.2012.07.044 |
| 英文摘要 | Using the bridging role of tolylene diisocyanate (TDI), poly(vinyl alcohol)-g-tolylene diisocyanate-fatty alcohol[PVA-g-TDI-C(n), n = 14,16,18] copolymers were synthesized with the fatty alcohols as the thermal storage units along the PVA backbone via the "grafting to" method. The thermal storage behavior, thermal stability and crystalline structure of PVA-g-TDI-C(n) copolymers were detailed investigated by Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), X-ray diffraction(XRD). The results show that PVA-g-TDI-C(n) copolymers exhibit the better thermal storage ability, and the value of enthalpy increases with the side-chain length and the grafting ratio. Compared with the pure fatty alcohols, the grafted ones show the decreased thermal storage efficiency due to the confined mobility of longer methylene groups. Besides the confined mobility of methylene groups, the effect of PVA backbones and the bridging units of TDI also contribute to the decrement of thermal storage ability of PVA-g-TDI-C(n) copolymers. Additionally, PVA-g-TDI-C(n) copolymers exhibit the higher thermal stability than that of pure n-fatty alcohol, and the thermal degradation temperature is located at 324-330 degrees C, proving that it can be used as the solid-solid phase change materials in the aspects of buildings, fiber and textiles, thermal fluids, etc. So, the packing manner and thermal behavior of PVA-g-TDI-C(n) copolymers were further discussed and analyzed from the viewpoints of microstructural mobility. |
| 语种 | 英语 |
| WOS记录号 | WOS:000306880600044 |
| 出版者 | HIGHER EDUCATION PRESS |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/47431]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Shi Hai-Feng |
| 作者单位 | 1.Tianjin Polytech Univ, Inst Funct Fiber, State Key Lab Hollow Fiber Membrane Sci & Proc, Tianjin 300160, Peoples R China 2.Chinese Acad Sci, Inst Chem, CAS Key Lab Engn Plast, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Shi Hai-Feng,Li Jian-Hua,Yin Yi-Ping,et al. Synthesis, Structure and Thermal Properties of Poly(vinyl alcohol)-g-isocyanate-fatty Alcohol Comb Copolymers[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2012,33(7):1613-1618. |
| APA | Shi Hai-Feng,Li Jian-Hua,Yin Yi-Ping,Zhang Xing-Xiang,&Wang Du-Jin.(2012).Synthesis, Structure and Thermal Properties of Poly(vinyl alcohol)-g-isocyanate-fatty Alcohol Comb Copolymers.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,33(7),1613-1618. |
| MLA | Shi Hai-Feng,et al."Synthesis, Structure and Thermal Properties of Poly(vinyl alcohol)-g-isocyanate-fatty Alcohol Comb Copolymers".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 33.7(2012):1613-1618. |
入库方式： OAI收割
来源：化学研究所
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