Patent ID: 7906594

Claim:
A process for preparation of a polymer blend comprising at least one polyoxymethylene and at least one thermoplastic elastomer, the process comprising: dispersing a thermoplastic elastomer in a polyoxymethylene, the polyoxymethylene being in flake form, where a) the thermoplastic elastomer is or has been micropelletized by a pelletizing process and b) the micropelletized thermoplastic elastomer pellets are dispersed in the flake polyoxymethylene via melting and mixing of the polyoxymethylene and the thermoplastic elastomer, wherein low shear forces are used to disperse the micropelletized thermoplastic elastomer in the polyoxymethylene, and the specific energy used to disperse the micropelletized thermoplastic elastomer in the polyoxymethylene is below 0.2 kWh/kg.