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以对苯二甲酸和生物基乙二醇为原料,聚乙二醇(PEG)为第三单体,纳米氧化锌(Zn O)为抗静电添加剂,制备抗静电生物基共聚酯,并纺制抗静电生物基共聚酯纤维。通过特性黏度、热学性能、表面接触角和体积比电阻值分析PEG和纳米Zn O的添加量对生物基共聚酯切片与纤维热学性能、亲水性能及抗静电性能的影响。试验结果发现:当PEG及纳米Zn O添加量分别为摩尔分数0.2%及1.6%时,改性生物基共聚酯纤维的热学性能最稳定,抗静电性能在所研究范围内最优。
Taking terephthalic acid and bio-based ethylene glycol as raw materials, polyethylene glycol (PEG) as the third monomer and nano-zinc oxide (ZnO) as antistatic additives, antistatic bio-based copolyesters were prepared and spun Antistatic bio-based copolyester fiber. The effects of the amount of PEG and nano ZnO on the thermal properties, hydrophilicity and antistatic properties of the biocomposites were investigated by means of intrinsic viscosity, thermal properties, surface contact angle and volume resistivity. The results showed that the thermal properties of the modified bio-based copolyester fiber were the best when the addition of PEG and nano-Zn O were 0.2% and 1.6% respectively, and the antistatic property was the best in the studied range.