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Preparation and characterization of thermoplastic antistatic polyurethane synthesized by in situ polymerization

机译:原位聚合合成热塑性抗静电聚氨酯的制备与表征

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摘要

Antistatic polyurethane (APU) is prepared by in situ polymerization of polyester glycol (PEL), 4,4′-diphenylmethane diisocyanate (MDI), 1,4-butanediol (BDO), and antistatic agent (AA) formed by dissolving sodium salts in polyethylene glycol (PEG). Comprehensive properties of the APU are investigated by the FT-IR, mechanical characterization, surface resistivity measurement, relative humidity (RH) study, and TGA, respectively. It is found that the surface resistivity of the APU can be effectively reduced to 10~(9.15) Ω, showing a good antistatic property. Moreover, the APU maintains a low surface resistivity (~10~(9.43) Ω) at the RH of 0.1%, revealing a non-RH-sensitive capacity of the APU.
机译:抗静电聚氨酯(APU)是通过将聚乙二醇(PEL),4,4'-二苯基甲烷二异氰酸酯(MDI),1,4-丁二醇(BDO)和将钠盐溶解于其中而形成的抗静电剂(AA)原位聚合而制备的聚乙二醇(PEG)。分别通过FT-IR,机械性能,表面电阻率测量,相对湿度(RH)研究和TGA研究了APU的综合性能。发现APU的表面电阻率可以有效降低到10〜(9.15)Ω,具有良好的抗静电性能。此外,在0.1%的相对湿度下,APU保持较低的表面电阻率(〜10〜(9.43)Ω),显示了APU的非RH敏感容量。

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