The fundamental difference between phenyl silicone oil and methyl silicone oil is mainly reflected in molecular structure and performance characteristics.
First of all, from the perspective of molecular structure, phenyl silicone oil contains phenyl groups in its molecules, which makes its molecules relatively large and its structure more stable. In contrast, methyl silicone oil contains only methyl groups in its molecules, has a smaller molecular weight and a relatively simple molecular structure.
Secondly, in terms of performance characteristics, due to the stability of the molecular structure of phenyl silicone oil, it exhibits higher chemical stability and thermal stability. Phenyl silicone oil has high viscosity, good transparency and unique gloss, which make it widely used in cosmetics, skin care products, hair care and chemicals. Methyl silicone oil, on the other hand, occupies an important position in lubricants, sealants, industrial coatings and other fields with its good lubricating properties, low viscosity and wide solubility.
In addition, phenyl silicone oil also exhibits higher radiation resistance and solubility in organic solvents, which further broadens its application areas. For example, in the fields of semiconductor manufacturing, vacuum metallurgy, etc., phenyl silicone oil plays an irreplaceable role due to its excellent anti-oxidation, anti-irradiation and non-hydrolysis properties.
In summary, the fundamental gap between phenyl silicone oil and methyl silicone oil in molecular structure and performance characteristics leads to their different application fields. The choice of silicone oil mainly depends on the specific application requirements and product properties.