授权公告号:CN 104845375B授权公告日:2017年6月6日专利权人:中国工程物理研究院化工材料研究所发明人:余凤湄、芦艾、雷雅杰等本发明介绍了一种低介电常数液体硅橡胶复合材料及其制备方法。制备工艺为:100份液体硅橡胶、20~75份中空无机填料、1~10份交联剂经机械搅拌均匀,再加入0.1~3份催化剂,在室温至 Authorized release number: CN 104845375B Authorized public date: June 6, 2017 Patentee: Institute of Chemical Materials, CAEP Inventors: Yu Fengmei, Lu Yi, Lei Yajie, etc. The present invention describes a low Dielectric constant liquid silicone rubber composite and its preparation method. The preparation process is as follows: 100 parts of liquid silicone rubber, 20 to 75 parts of hollow inorganic filler, 1 to 10 parts of crosslinking agent are mechanically stirred uniformly, 0.1 to 3 parts of catalyst are further added,