China began to research and manufacture the raw rubber of heat vulcanized (also known as heat cured) silicone rubber in the late 1950s. It is not too late in the world that China began to explore silicone rubber. Due to the development work needs a large number of high-purity hydrolysates of dimethyldichlorosilane (from which octamethylcyclotetrasiloxane (D4, or DMC) is obtained; previously, due to the lack of a large number of methylchlorosilane, it is difficult to get a large number of pure dimethyldichlorosilane, and there is not enough to trial produce the basic raw material of raw silicone rubber octamethylcyclotetrasiloxane. There is also a need for appropriate catalysts in ring opening polymerization, which are major problems in the early stage of development. In particular, the industrial production of methylchlorosilane is very difficult, so the technical personnel of relevant units in China have paid a lot of labor and spent a lot of time.            Yang Dahai, Shenyang Institute of chemical industry and so on, is the first one to present the silicone rubber samples prepared from the self-made dimethyldichlorosilane to the 10th anniversary of the national day. Lin Yi and Jiang Yingyan, researchers of the Institute of chemistry, Chinese Academy of Sciences, also carried out the development of methyl silicone rubber very early. In the 1960s, more units developed silicone rubber.            Only after the success of the direct synthesis of methylchlorosilane in the stirred bed, can the raw materials for the synthesis of raw silicone rubber be obtained. Because the demand of silicone rubber is very urgent, so there are units in Shanghai and North China to start to develop silicone rubber. For example, Shanghai Chemical Research Institute in Shanghai studies the synthesis of methyl chlorosilane monomer and the exploration and test of silicone rubber; Shanghai Xincheng chemical plant and Shanghai resin plant consider the synthesis of silicone rubber from the perspective of production.            In the north, Jihua company, the first chemical industry base in China, its research institute is mainly engaged in the research and development of synthetic rubber. Later, the research institute increased research and development of silicone rubber led by Zhu BAOYING. There are also design institutes and production plants in Jihua company, which have a good one-stop cooperation condition to develop a complete set of process from methyl chlorosilane monomer to synthetic silicone rubber.            In 1958, the organosilicon part of Shenyang Chemical Research Institute was moved to the newly established Beijing Chemical Research Institute. In the early 1960s, Shenyang Chemical Research Institute established a organosilicon Research Office headed by Zhang Erci and ye Qingxuan to develop organosilicon monomer and silicone rubber. According to the opinions of the Second Bureau of the Ministry of chemical industry, Shenyang Chemical Research Institute participated in the development of silicone rubber in the Research Institute of Jilin chemical company. Because the synthesis of silicone rubber also needs vinyl ring, so Shenyang Chemical Research Institute for the synthesis of methylhydrodichlorosilane and other supporting organosilicon monomers.