| abstract |
The present invention relates to a method for producing an expanded thermoplastic elastomer, (a) adding the monomers and / or oligomers used in the preparation of the thermoplastic elastomer to the first stage of the polymer processing machine either with or without additional starting material, (b) mixing, in a first stage of the polymer processing machine, a monomer and / or an oligomer, and optionally further starting materials, and reacting monomers and / or oligomers to produce a polymer melt, (c) transferring the polymer melt into a second stage of the polymer processing machine and adding a physical blowing agent with or without additional starting material to obtain a polymer melt comprising the blowing agent, (d) molding the polymer melt comprising the blowing agent into an expanded thermoplastic elastomer To a manufacturing method comprising the steps of: |