METHOD FOR PRODUCING AN RPET PLASTIC MATERIAL FOR USE IN A THIN-WALL INJECTION MOLDING METHOD AND CONTAINERS, SUCH AS CUPS, BOWLS, TRAYS OR MULTI-COMPARTMENT PACKAGINGS PRODUCED BY THE THIN-WALL INJECTION MOLDING METHOD
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United States of America
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Apr 3, 2025
app pub date -
Apr 21, 2023
filing date -
Apr 21, 2023
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Abstract
The invention relates to a method by which a starting material for injection molding having a viscosity of between 0.50 and 0.7 dL/g is produced from a recycled post-consumer PET having a viscosity of between 0.72 and 0.86 dL/g according to ASTM D4603 and a copolymer fraction of at most approximately 3%, adding a low-viscosity PET material. In the method, the comminuted and dried PET material is melted and decontaminated to such a degree that it is suitable for applications in the food sector and the consumer goods sector.
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