一种无机改性导电共聚酯的研究

Research on an inorganic modified conductive copolyester

涤纶是聚酯纤维习惯叫法,具有强度高、易清洗、染色牢度高、技术成熟、生产成本低的优点,是理想的纺织品原料,但它的缺点也很明显,其分子结构中缺少亲水性基团,因此纤维的公定回潮率低,纤维互相摩擦产生的静电不容易快速消散,积累的静电到一定程度时会击穿空气瞬间释放产生火花,危害生产安全。本研究以硅藻土、海藻酸钠分散在乙二醇中配制成吸湿改进剂,在分子链中接枝少量亲水性的磺酸基团,增加纤维的吸湿率,从源头降低体积比电阻。

Polyester is a commonly used term for polyester fiber,which has the advantages of high strength,easy cleaning,high dyeing fastness,mature technology,and low production cost.It is an ideal textile raw material,but its disadvantages are also obvious.Its molecular structure lacks hydrophilic groups,so the common moisture regain of fibers is low,and the static electricity generated by fiber friction is not easy to dissipate quickly,When the accu-mulated static electricity reaches a certain level,it will instantly break through the air and release sparks,endange-ring production safety.In this study,diatomaceous earth and sodium alginate were dispersed in ethylene glycol to prepare a moisture absorption modifier.A small amount of hydrophilic sulfonic acid groups were grafted onto the molecular chain to increase the moisture absorption rate of the fiber and reduce the volume specific resistance from the source.