I run a plant that already produces high-purity calcium oxide, and I now want to convert this material into a pelletized desiccant masterbatch for plastics that will reliably absorb moisture in blow, extrusion and injection production of plastics. I need a chemical engineer with solid polymer-industry know-how to design the complete formulation and processing workflow.
The goal is a calcium-oxide based pellet that:
• Targets moisture absorption as its primary function.
• Performs consistently under both high humidity and elevated temperatures found in typical film-blowing, injection-moulding or extrusion lines.
• Integrates smoothly into common polyolefin, PET or engineering resin systems without causing plate-out, yellowing or mechanical property loss.
I can supply detailed data on our CaO purity, particle size distribution and current milling capabilities. Your job is to translate that raw material into a commercially viable desiccant masterbatch, specify any necessary carriers, coupling agents or process aids, and outline the pelletising parameters so that we can scale on our existing twin-screw line.
Key deliverables I expect:
1. A full formulation package showing CaO loading, carrier resin choice and additive percentages.
2. Recommended processing conditions (compounding temperature profile, screw design suggestions, pelletiser settings).
3. Bench-level validation plan—including simple moisture pick-up tests—and QC specs we can run in-house (loss-on-ignition, Karl Fischer, TGA, etc.).
4. Guidance on optimal let-down ratios and usage instructions for our customer data sheets.
Please let me know your relevant polymer or desiccant experience and roughly how long you would need to deliver each of the above items
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