FEEDING PERFORMANCE OF LOW-MELTING OLYMER PROCESSING ADDITIVE PREBLENDS
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United States of America
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Feb 20, 2025
app pub date -
Aug 16, 2024
filing date -
Aug 16, 2024
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Abstract
An additive preblend for production of cap and closure grade polypropylene comprises a mixture of low melting temperature additives and higher melting temperature additives. Inclusion of the higher melting temperature additives eliminates dusting, bridging, and choking issues encountered when adding the lower melting temperature additives separately to a screw feeder for a polypropylene extruder.
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