ADDITIVES | MATERIALS


stability at high temperatures and reduce gel formation in recycled PP and PE. ThermProtect also uses speciality radical scavengers, which react with alkyl radicals to immediately stop oxidation, and acid scavengers, which react with acids to eliminate the degrading effects of inks and other contami- nants in PIR and PCR. As a result, it is possible to increase recycled content for rigid and film applications, achieve long-term stability of recycled content, extend the life of polymers and achieve sustainability goals. The new antioxidants in the range include


ThermProtect 1001145-N, which contains high performance phenolic, phosphite antioxidants plus alkyl radical and acid scavengers for recycled polyolefins and is used primarily for non-FDA film applications. ThermProtect 1001265-N meets FDA requirements and contains high performance phenolic and phosphite antioxidants, and acid scavengers. ThermProtect antioxidants are designed for PE and PP applications, including blow-moulded packaging and products, industrial products, such as garbage bags and can liners, shrink films and carrier bags and building and construction prod-


ucts, such as composite lumber, crates and buckets. The antioxidants join two ThermProtect PET additives recently introduced to the European market. ThermProtect 7000121-E contains high performance phenolic and phosphite antioxidants to reduce yellowing in recycled PET and is used primarily for injection stretch blow moulding (ISBM), injection and extrusion thermoforming processes. ThermProtect 7000119-E contains high performance phenolic and phosphite antioxidants plus a blue toner for further reduction of yellowing in recycled PET. To maximise the use and value of recycled PET,


Left: Therm- Protect from Ampacet can improve aesthetics, processability and functional- ity while


minimising the adverse effects of contami- nants in PCR


IMAGE: AMPACET


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