Mingyi Silicone(Anhui) Co., Ltd.
Sealant is a sealing material that deforms with the shape of the sealing surface, is not easy to flow, and has a certain degree of adhesion. It is usually based on dry or non-drying viscous materials ......
2019-12-10⑴ Adjust the mechanical properties of vulcanized silicone rubber In order to improve the mechanical strength of the vulcanized silicone rubber, especially to increase the elongation and tear streng......
2019-12-09According to the requirements of conventional vulcanization processes such as compression vulcanization, hot air vulcanization, continuous steam vulcanization, or solution vulcanization, a vulcanizing......
2019-12-09The base compound of the hydrosilylation reaction-curing type heat-curing silicone rubber is methyl vinyl silicone rubber, and its vulcanizing agent system includes a crosslinking agent, a catalyst, a......
2019-12-09Since the silicon hydroxyl groups on the surface of the white carbon black without surface modification treatment are easy to form hydrogen bonds with the oxygen atoms in the polymer chain of the sili......
2019-12-09For compounded silicone rubbers requiring high extrusion flow properties or high dielectric properties, surface modified silica should be used as a reinforcing filler. Cyclic or linear organosiloxane ......
2019-12-09The molecular weight and molecular weight distribution, raw vinyl content, and vinyl side chain distribution of silicone rubber raw rubber polymers are closely related to the process performance and u......
2019-12-09Heat resistance: Silicone rubber has much better heat resistance than ordinary rubber, and can be used almost always at 150 degrees without performance changes; it can be continuously used for 10,000 ......
2019-12-06Long-term storage of the mixed silica gel will make the molecular structure of the mixed silica gel, and it will be difficult to open the mixture with vulcanizing agent. The main reason is caused by t......
2019-12-06Causes: Impurity of white carbon black, which contains high temperature reaction or ultraviolet discoloring substances, causing yellowing; small molecules left over from high temperature decomposition......
2019-12-06The demoldability during the rubber vulcanization process is a key indicator for directly judging whether the mixed silica gel can be applied. The mucous membrane and thermal death difference are not ......
2019-12-06The main reason: the white carbon black on the market is more than ten yuan per kilogram of mixed rubber filled with precipitation method white carbon black, the pH itself is alkaline and contains fre......
2019-12-06(1) The design of the rubber should be appropriate and reasonable. For example, the accelerator should be used in multiple ways as much as possible. Suppress scorch. In order to adapt to high-temperat......
2019-12-05Anti-scorch agents are mainly organic acids, nitroso compounds and thioimide compounds. 1. It has excellent anti-scorch performance, has little selectivity to different accelerators and rubber type......
2019-12-05(1) Improper formulation design, imbalanced configuration of vulcanization system, excessive amount of vulcanizing agent and accelerator. (2) For some types of rubber that require plasticization, t......
2019-12-05
