Study on the aging resistance of butyl hot melt adhesive by anti-aging agent system
The influence of the combination system of anti-aging agents RD,4010NA,D,and MC on the aging effect of butyl hot melt adhesive was studied.The processing performance,mechanical properties,thermal stability,and water vapor transmission rate before and after aging(high-temperature thermal oxidative aging,wet-heat aging,thermal cycling aging,and UV aging)of butyl hot melt adhesive were investigated to determine the relatively optimal combination ratio.The research results showed that,(1)The combination use of anti-aging agents RD,4010NA,D,and MC could improve the aging resistance of butyl hot melt adhesive,increased shear strength,reduced the increase in water vapor transmission rate,and maintained a cohesive failure rate of over 72%.Among them,the anti-aging agent RD/401NA/MC when used in combination had better aging resistance compared to other formulations.(2)Taking into account the situation before and after aging,the optimal addition amount of anti-aging agents in the system was m(RD):m(4010NA)∶m(MC)=3∶3∶2.5.
anti-aging agentbutyl hot melt adhesiveaging resistance
万方数据
维普
