A well-functioning release agent is generally composed of functional components and auxiliary components. The functional component may be a single organosilicon compound or a polymer, but more is a composite formulation of a silicone polymer. For example, if the silicone oil is mixed at a high or low degree, the working life of the release agent can be extended while reducing. The effect of releasing the peeling force. The functional components in the release agent also include cross-linking with the host polymer.

The catalyst, catalyst, etc., with suitable catalytic strength and curing speed, ensure that the working film of the release agent is smooth and bright, and adhered firmly on the working surface of the mold, and the synergistic main silicone polymer achieves the best use effect. Although the auxiliary component in the release agent plays a supporting role, it is indispensable. Different types of release agents are combined with different auxiliary materials, and the most commonly used auxiliary components include solvents, propellants, wetting agents, preservatives, emulsifiers, color developers, and the like.

The solvent component of the release agent is mainly used to dissolve the host silicone polymer, making it an easy-to-apply operation solution. Good solvents require that the polarity and solubility parameters match the host polymer. Some solvents themselves also have a cleaning effect, and the release agent solution is uniformly spread and attached on the working surface of the mold. In some mold release agents, the composite solvent is used, wherein the polarities and boiling points of the components are different, and the volatilization gradient is used to avoid the rapid vaporization and heat absorption of the single low-boiling solvent, so that the partial dew point causes the release agent to be whitened. Wrinkles and other defects. Aerosol type silicone release agents usually use chlorofluorocarbon as a propellant, such as trichlorofluoromethane (Fll), dichlorodifluoromethane (F12), dichlorotetrafluoroethane (F114), and the like. Due to the strong ozone depletion effect of chlorofluorocarbons, the elimination of propane, isobutane and n-butane has gradually replaced chlorofluorocarbons, becoming a universal propellant. The boiling point and vapor pressure of the propellant play a significant role in the properties of the release agent. Sometimes a single propellant cannot meet the requirements, and a mixed propellant is often used. A surfactant is generally used as a wetting agent for the release agent. The function of the wetting agent is to promote the uniform distribution of the release agent on the surface of the mold, so that the first application of the release agent and the subsequent overcoat release agent can be uniformly leveled.

The emulsion type release agent should be applied with an appropriate hydrophilic-lipophilic balance (HLB) emulsifier. The emulsifier acts as a stable emulsion while also acting as a release agent emulsion on the working surface of the mold. Emulsion type release agents sometimes need to add a small amount of preservative, the role of which is to sterilize and prevent corrosion and deterioration of the emulsion.

In order to facilitate the judgment of the thickness and uniformity of the release agent coating, it is sometimes recommended to use a color release agent operating solution. In the colored release agent, a suitable type of pigment or dye is used as a color developer, and it should be noted that the applied pigment or dye does not affect the low surface energy of the release agent and the smoothness of the coating film.