With the rapid development of automobile, aviation, aerospace, machinery and other fields, rubber products used in these fields required to meet higher requirements. Fluorine rubber (FKM) and silicone rubber (MVQ) have excellent performance in some areas. However, the FKM is poor in low-temperature resistance and processing performance, limiting its applicability. Although the MVQ has a wide range of temperature and excellent processing performance, but its mechanical properties and oil resistance are not good. In this work, the MVQ/FKM blends were prepared by two different mechanical blending methods. The effects of the mixing process, mass ratio, curing system and conditions of the blends were studied. The chemical compositions of the blends were analyzed by infrared spectroscopy (IR). The compatibility and the thermal properties of the blends were investigated by dynamic mechanical analysis (DMA) and thermogravimetric analysis (TGA), respectively. The results showed that the mechanical properties, compatibility and thermal stability of the blends were the best when they were prepared by kneading the FKM and MVQ individually in a two-rool mill roll, then mixing them together homegeneously with an MVQ/FKM mass ratio of 10/90, curing system of (4 phr, 1/9) dicumyl peroxide (DCP)/N, N-Dicinnamylidene-1, 6-hexanediamine (3^# Vulcanizer), first curing conditions at 170 °C under 10 MPa for 30 min and post curing conditions at 200 °C for 6 hours at 1 atmospheric pressure.

随着汽车，航空，航天，机械等领域的迅速发展，这些领域中使用的橡胶制品需要满足更高的要求。氟橡胶（FKM）和硅橡胶（MVQ）在某些领域具有出色的性能。然而，FKM的耐低温性和加工性能差，限制了其适用性。尽管MVQ具有宽温度范围和出色的加工性能，但其机械性能和耐油性均不佳。在这项工作中，MVQ / FKM混合物是通过两种不同的机械混合方法制备的。研究了混合工艺，质量比，固化体系和混合条件的影响。通过红外光谱（IR）分析共混物的化学组成。分别通过动态力学分析（DMA）和热重分析（TGA）研究了共混物的相容性和热性能。结果表明，共混物的机械性能，相容性和热稳定性最佳，方法是将FKM和MVQ分别在两辊轧机中捏合，然后以MVQ / FKM的质量比混合均匀地混合在一起。 10/90，（4 phr，1/9）过氧化二枯基（DCP）/ N，N-二肉桂亚基-1，6-己二胺（3的固化体系^＃硫化机）中，在低于10兆帕170℃下进行30分钟第一固化条件和在1个大气压下6小时200℃后固化的条件。