Plasticized terephthalate-based polyester blends containing fatty acids or esters thereof

Patent · Tue Mar 22 04:00:00 EDT 2022

OSTI ID:1892726

Naskar, Amit K.; Akato, Kokouvi; Nguyen, Ngoc-Thach; Harper, David P.

A plasticized terephthalate-based polyester blend comprising a terephthalate-based polyester (e.g., polyethylene terephthalate, i.e., PET) homogeneously blended with a fatty acid or ester thereof, wherein said fatty acid or ester thereof is present in said polyester blend in an amount of 1-50 wt %. Also described herein is a method for producing a plasticized terephthalate-based polyester blend, the method comprising melt mixing a terephthalate-based polyester with a fatty acid or ester thereof at a temperature in a range of 230-250° C. to produce said polyester blend, wherein said fatty acid or ester thereof is present in said polyester blend in an amount of 1-50 wt % and is homogeneously blended with said terephthalate-based polyester.

• Research Organization: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC05-00OR22725
• Assignee: UT-Battelle, LLC (Oak Ridge, TN); University of Tennessee Research Foundation (Knoxville, TN)
• Patent Number(s): 11,279,805
• Application Number: 16/519,396
• OSTI ID: 1892726
• Country of Publication: United States
• Language: English