Acrolein scavenging in PTF and other 1,3-propanediol derived polymers

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United States of America Patent

PATENT NO 11708454
APP PUB NO 20190330420A1
SERIAL NO

16347353

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Abstract

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This disclosure provides a process for removing acrolein or allyl alcohol from a polyester composition, the process comprising: combining a polyester composition derived from 1,3-propanediol with an amino amide or a primary amine; wherein the amino amide or the primary amine is combined in sufficient quantities to scavenge acrolein or allyl alcohol produced from degradation of the polyester composition. An analysis of reactions between anthranilamide (AAA) and acrolein demonstrates how amines or amino amides can scavenge acrolein from thermally processed poly(trimethylene terephthalate) and poly(trimethylene furan-2,5-dicarboxylate), and thermodynamic models are presented as guidance for matching targets with scavenging agent.

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Patent Owner(s)

  • THE COCA - COLA COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kriegel, Robert M Decatur, US 17 102
Moffitt, Ronald D Spartanburg, US 28 205
Morales, Marlon Salvador Clemson, US 4 7
Mubarak, Christopher R Cumming, US 3 46
Nagpal,, Jr Vidhu Mars, US 1 0
Sukits, Steven F Fayetteville, US 5 3

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