低烟量输送带用阻燃芯胶配方研究

Research on the formula of flame-retardant core rubber for low smoke conveyor belts

设计了能够降低燃烧烟气量的输送带用阻燃芯胶,芯胶配方为:80份丁苯胶,20份天然胶,50份炭黑,3.5份硫磺,1.5份NOBS,20份氯化石蜡,15份十溴二苯醚,5份三氧化二锑,20份硼酸锌,20份氢氧化铝。芯胶配方的黏合性能满足MT/T668-2019的要求,且烟密度为220。

This article designs a flame-retardant core rubber for conveyor belts that can reduce the amount of combustion smoke.The core rubber formula is:80 parts styrene butadiene rubber,20 parts natural rubber,50 parts carbon black,3.5 parts sulfur,1.5 parts NOBS,20 parts chlorinated paraffin,15 parts decabromodiphenyl ether,5 parts antimony trioxide,20 parts zinc borate,and 20 parts aluminum hydroxide.The adhesive performance of the core rubber formula meets the requirements of MT/T668-2019,and the smoke density is 220.