Continuous Solution Styrene-butadiene random co-polymers (sSBR)
Continuous Solution Styrene-butadiene random co-polymers (sSBR)
sSBR technology uses Li-alkyls initiated anionic polymerization in aliphatic or cycloaliphatic solvent solution in a cascade of CSTR reactors.
The first reactor is designed in such a way to guarantee a polymerization temperature lower than 80°C obtaining a better distribution of the styrene and a greater “liveness” of the chain ends.
The subsequent reactors operate at a higher temperature to complete the reaction.
It is possible to make a polymer structure modification by addition online of alkyl halides.
Process steps & Features
- Monomer and Solvent Purification
- Polymerization
- Blending
- Stripping
- Finishing
- Continuous process with narrow MWD
- Accurate microstructure and composition control (low Mw/Mn)
- Possibility of introducing Long Chain Branching (LCB) with accurate control by on-line post modification reaction
- Possible product tailoring depending on customer requirements
- Analytical manual comprehensive of analytical and physical-chemical methods
For more details
Send us your contact details if you need more informations.