PROCESS FOR COLOURING A THERMOPLASTIC POLYMER
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United States of America Patent
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Issued Date -
Jun 29, 2023
app pub date -
Jun 9, 2021
filing date -
Jun 10, 2020
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Abstract
A process can be used for manufacturing a coloured moulding composition with an improved optical appearance and a particularly high thermal stability. The process involves providing a thermoplastic polymer and adding a colouring preparation, or a liquid composition or a master batch containing the colouring preparation. Injection moulded parts and extruded parts can be composed of the coloured moulding composition.
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