Composite materials, with their excellent properties such as light weight, high strength, and corrosion resistance, have been widely used in many fields such as aerospace, automotive manufacturing, and sports goods. As a key auxiliary material in the composite material molding process, organic silicon release agents are undergoing a series of innovative changes and frontier breakthroughs.
Traditional organic silicon release agents mainly form an isolation layer on the mold surface through physical adsorption to achieve the demolding of composite materials. However, with the continuous expansion of the application fields of composite materials and the increasing requirements for product performance, the performance of traditional organic silicon release agents has gradually become difficult to meet the needs. In recent years, scientific researchers have made a series of important breakthroughs in the research and development of organic silicon release agents. For example, an organic silicon release agent with self - repair function has emerged. When the isolation layer is slightly damaged by external forces during the composite material molding process, the special components in this release agent can quickly react to automatically fill the damaged part, restore the integrity of the isolation layer, and ensure that the release effect is not affected. This innovation has greatly improved the production efficiency and product quality of composite materials, reducing the waste rate caused by the failure of release agents.
In addition, there are some new types of organic silicon release agents that can form specific chemical bonds with the surface of composite materials. After demolding, this chemical bonding not only does not affect the surface performance of the composite material but can also enhance the adhesion between the composite material and subsequent coatings and adhesives. In the production of carbon fiber composite parts in the aerospace field, after using this new type of organic silicon release agent, the adhesion of the coating can be increased by about 30% - 40% during the painting and bonding processes, greatly improving the overall performance and reliability of the parts. These innovative achievements have injected powerful impetus into the development of composite material molding technology, promoting the application of composite materials in more high - end fields.