Production of masterbatches

Masterbatches are the easiest way of adding additives or colour to plastics. Final properties or colours can be yield by dilution with the host polymer in the injection or extrusion process, but not always the final requirements are fulfilled. Problems of incompatibilities (plastic delamination), poor tinting strength, bad pigment dispersions, masterbatch overdosing or not achievement of properties are common issues when masterbatches are diluted

Our Solutions

To avoid these problems we offer solutions to Masterbatch producers or users following these guidelines:

  • Appropriated polymer selection.
  • Correct dispersion of pigments or additives into the polymer matrix.
  • Dispersion assessment by optical and SEM microscopy.
  • To introduce new additives/pigments without degradation.
  • Thermal studies of all the additives to avoid degradations.

Download our catalogue

for further information on our compounding process

Technical Support

Our experience in compounding with all kind of fillers with different polymer matrices was obtained working the last 15 years in many research funded European projects. It gave us a specialized work methodology and know-how that we apply to create the appropriate experimental design, including the most important factors affecting filler, pigment or additive dispersion.

We can help you through our following capacities:

  • To develop new MB from new pigments, fillers or additives.
  • To make short batches of masterbatch from 0-50 kg.
  • Effective mixing in co-rotating TSE.
  • Experimental designs to optimize:
    • Screw profile.
    • Processing conditions.
    • Feeding protocols.
  • Scale up productions.
  • Dilution studies in injection moulding or extrusion to assess the appearance in final items.

Other services

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Luis Roca