涤纶织物抗静电剂的制备与性能 大学论文.doc

本科生毕业设计（论文） （ 2013 届） 设计（论文）题目 涤纶织物抗静电剂的制备与性能 分 院 材料与化学工程 涤纶织物抗静电剂的制备与性能 摘 要：本文采用对苯二甲酸乙二醇酯（DMT）、乙二醇（EG）、间苯二甲酸二甲酯-5-磺酸钠（SIPM）以及不同分子量聚乙二醇（PEG）,通过本体聚合成一系列不同分子量的亲水性聚醚酯，用于涤纶织物的表面处理。首先确定合适的反应条件。然后考察PEG分子量和含量、结构中引入SIPM、涤纶织物的浸渍时间及聚醚酯浓度对抗静电性能的影响，用红外光谱、DSC对其表征；合适的合成工艺：酯交换温度180-190℃；缩聚温度为210-230℃左右，催化剂为三氧化二锑，真空度756mmHg左右。实验结果表明，聚醚酯的抗静电性能随着PEG分子量的升高而下降，用分子量为2000的PEG，含量为70%，合成的聚醚酯是一种综合性能较好的抗静电剂。结构中引入SIPM能有效提高抗静电性。合适的后处理工艺条件：聚醚酯浓度为0.2%，浸渍时间为10min，烘焙温度为160℃。 关键词：表面处理；抗静电性；聚醚酯；红外光谱 Preparation and performance of terylene antistatic agent Abstract: In this paper, a series of different molecular weight hydrophilic polyether-ester based on dimethyl terephthalate (DMT),ethylene alcohol (EG),sodium dimethyl m-phthalate(SIPM) and various molecular weight polyethylene glycol(PEG) were prepared by polycondensation reaction.They were used as antistatic agent for terylene.First,polymerization conditions were investigated.Then,the effect of PEG molecular weight and content,bringing the SIPM into the structure, impregnating time and the concentration of polyether-ester on antistatic performance were investigated,These polyether-ester were characterized by IR and DSC.The Suitable polymerization conditions was determined as follow: transesterification was carried out within 180-190℃; polycondensation was carried out within 210-230℃ with catalyst Sb2O3,vacuity was about 756mmHg.It was found that with the molecular weight of PEG increased,the antistatic performance decreased,the polyether-ester which based on PEG 2000 with the content of 70% was a good kind of antistatic agent. Bringing SIPM into the structure can raise antistatic performance clearly. Suitable conditions of after-treatment: the concentration of polyether-ester was 0.2%, impregnating time was 10min, baking temperature was 160℃. Key words: surface treatment; Antistatic performance; polyester ester;IR 目 录 1.引言 1 2.实验部分 3 2.1 实验原料 3