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通过添加导电填料和防霉剂制备了具有防霉性能和电磁屏蔽性能的硅橡胶胶料;比较了3种防霉剂对硅橡胶硫化性能和防霉性能的影响。结果表明,防霉剂对硅橡胶具有延迟硫化作用;添加防霉剂后,硅橡胶防霉性能明显提高;液体防霉剂的防霉效果好于固体防霉剂。铝银导电体系的导电性能优于石墨镀镍体系,但石墨镀镍体系的防霉性能优于铝银导电体系;在铝银导电体系中加入防霉剂可得到高导电性防霉电磁屏蔽硅橡胶胶料。
Silicone rubber compounds with anti-mold properties and electromagnetic shielding properties were prepared by adding conductive fillers and antifungal agents. The effects of three anti-mold agents on the vulcanization and anti-mold properties of silicone rubber were also compared. The results showed that the antifungal agent had delayed vulcanization to silicone rubber. The antifungal property of silicone rubber increased obviously after antifungal agent was added. The antifungal efficacy of liquid antifungal agent was better than solid antifungal agent. Conductive properties of aluminum-silver conductive system is better than that of graphite nickel-plated system, but the anti-mold performance of graphite nickel-plating system is better than that of aluminum-silver conductive system. Adding anti-mildew agent to the aluminum-silver conductive system can obtain high conductivity mold-proof electromagnetic shielding silicon Rubber compound.