采用组合分散混合系统,成功制得高黏度硅基绝热层胶料,并对高黏度硅基绝热层胶料分散工艺进行研究,确定了基料混合时间、韧性纤维的最佳分散参数、脆性纤维解束及高黏度胶料混合的最佳工艺参数。在分散速度为1000r/min,搅拌速度为30r/min,搅拌时间为15min,解束速度为500r/min,传输速度为650r/min条件下,制得的高黏度硅基绝热层胶料的拉伸强度达到5.05MPa,密度偏差为3.60%,绝热层线烧蚀率为0.008mm/s。高黏度硅基绝热层胶料在所含脆性纤维不受物理损坏的同时,具有良好的性能。

Usd a combination of decentralized hybrid systems,designing a combination of brittle fiber disperser and high viscosity rubber mixer,studying the technology of dispersion process of high viscosity silicone insulation.The optimum technological parameter was determined for the mixing time of basal rubbe,brittle fiber dispersion and high viscosity rubber mixture.Under the conditions of 1000r/min dispersion speed,30r/min stirring speed,15 min stirring time,500 r/min beam splitting speed and 650 r/min transmission speed,the tensile strength of compound was 5.05MPa,the density deviation was 3.60% and the ablation rate of the insulation layer was 0.008mm/s.The compound had good properties while the brittle fibers contained in it were not damaged physically.