I am using TfOH, DMC, dimethyldimethoxysilane and MM as the starting material, I have tried to reduce the amount of MM, but I constantly obtained low viscosity silicone oil (~100 mPa`s). I once obtained a 1000 mPa's but this reaction cannot be repeated. Could someone please give some advice. many thanks in advance
Dear Zy One
The reaction you are employing to obtain your silicone oil is based on the hydrolisis and condensation of silane groups into siloxanes. It is worth remembering that this reaction is highly influenced with the pH and the temperature. Also, it releases alcohols and water as by products. These two factor may be altering the viscosity of your final product. You should ensure that all the byproducts (that are very low viscosity) are removed after synthesis, and the conditions of pH and temperature are in good agreement to what you are looking for (long linear polydimethyl siloxanes).
Hope this helps!
- Badges
- Science topic
- Similar topics
- Computer Science and Engineering
- Computer Graphics and Animation
- 3D