Diphenylsilanediol, a chemical mainly used as a structure control agent for silicone rubber. It plays a key role in the rubber cross-linking process. Rubber cross-linking means that the polymer chains in rubber are connected to each other chemically or physically to form a three-dimensional network structure, thereby improving the physical and mechanical properties, heat resistance, solvent resistance and corrosion resistance of rubber.

During the cross-linking process, diphenylsilanediol may serve as a cross-linking agent or catalyst, participating in the cross-linking reaction of the rubber molecular chain. Specifically, it may react with certain functional groups on the rubber molecular chain to form new chemical bonds, thereby transforming the originally linear rubber molecular chain into a three-dimensional network structure. This transformation causes the rubber to lose the plasticity of the mixed rubber and gain the high elasticity of the cross-linked rubber.

In addition, diphenylsilanediol may also affect the rate and extent of the cross-linking reaction, thereby affecting the cross-link density and cross-link type of the rubber. Cross-linking density is closely related to the modulus, hardness, tensile strength and other properties of rubber. The type of cross-linking bonds mainly affects the fatigue resistance and thermal oxygen aging resistance of rubber.

It should be noted that the specific mechanism of diphenylsilanediol in the rubber cross-linking process may vary depending on rubber types, cross-linking methods, reaction conditions and other factors. Therefore, in practical applications, it is necessary to select appropriate cross-linking agents and process conditions according to specific circumstances to obtain rubber products with excellent performance.

However, although we understand some possible roles of diphenylsilanediol in the rubber cross-linking process, further experimental research and theoretical analysis may be needed to reveal its specific intermolecular interactions and reaction mechanisms.