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Rapid synthesis of a flower-like ZnO/rGO/Ag micro/nano-composite with enhanced photocatalytic performance by a one-step microwave method

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  • Key Words:低温氟橡胶;补强体系;硫化体系;吸酸体系;拉伸性能;压缩永久变形;脆性温度;低温回缩试验

  • Abstract:以国产低温氟橡胶（牌号CG-FLT）为基体，研究配合体系（补强体系、硫化体系和吸酸体系）对低温氟橡胶胶料（以下简称氟橡胶胶料）性能的影响。结果表明：小粒径炭黑与大粒径炭黑并用可以使氟橡胶胶料获得优异的拉伸性能和较低的脆性温度；随着炭黑用量增大，氟橡胶胶料的压缩永久变形增大，小粒径炭黑对压缩永久变形增大的作用更为明显；硫化剂用量和种类对氟橡胶胶料的脆性温度影响不大；氟橡胶胶料的硫化剂用量不宜过大，以3份硫化剂双25为宜，其交联效率高于等效引发效率用量的硫化剂DCP；相较于氧化镁/氢氧化钙吸酸体系，氟橡胶胶料的吸酸体系优先选用氧化锌；氟橡胶胶料回缩10%的温度T_(R10)基本不受补强体系、硫化体系和吸酸体系的影响，其由氟橡胶基体的玻璃化温度决定。

  • Volume:v.69

  • Issue:10

  • Translation or Not:no

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