一种纤维用高分子型固-固相变材料的合成及性能  

Synthesis and Properties of Polymer Solid-Solid Phase Change Material Used for Fibers

作　　者：费鹏飞[1] 西鹏[1,2] 付鹏[1] 程博闻[1] 

机构地区：[1]天津市纤维改性与功能性纤维重点实验室,天津工业大学,天津300387 [2]高分子物理与化学国家重点实验室,中国科学院化学研究所,北京100080

出　　处：《高分子材料科学与工程》2013年第7期1-4,共4页Polymer Materials Science & Engineering

基　　金：国家自然科学基金资助项目(51203112);中国纺织工业协会资助项目(2009076);天津市自然科学基金项目(13JCYBJC17200);黑龙江省自然科学基金项目(E201259)

摘　　要：利用设计合成的八羟基化合物为支化单元,通过两步法合成出了一种相变储能材料。通过红外光谱（FT-IR）、偏光显微镜（POM）、X射线衍射（XRD）、差示扫描量热分析（DSC）对所制备的样品进行了测试表征。POM测试结果表明,所制备的相变材料的相变类型为固-固相变,具有与聚乙二醇（PEG）类似的球晶结构;DSC测试结果表明,该相变材料的相变焓值较高,吸放热焓值均达到了100J/g以上。而且由于八羟基化合物的特殊分子结构使得所制备的高分子相变材料的调温区间从PEG的65.90℃-34.20℃调整到55.20℃-25.10℃,更趋近相变纤维及其服饰面料的最佳使用温度区间。In this paper, using the designed and synthesized eight hydroxyl compound as branched units, a phase change material was synthesized through the two-step method. The as-sample was characterized through FT-IR, POM, XRD, and DSC. The results of POM imply that the as-sample and polyethylene glycol （PEG）own similar micro-morphologies, their crystal structures are both spherulites. The results of DSC show that, this material has high phase transition enthalpy value, and its endothermic and exothermic enthalpy value both reach more than 100J/ g. Furthermore, owing to the special molecular structure of eight hydroxyl compound, the temperature adjusting zone of the polymer solid-solid phase change material is changed from 65.90 ℃ -34.20 ℃ of PEG to 55.20 ℃ 25.10 ℃, which is more close to the applied temperature of phase change energy storage fibers and its clothing fabrics.

关 键 词：聚乙二醇 相变 温度调控 支化单元 

分 类 号：TB383[一般工业技术—材料科学与工程]