The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 22, 2022

Filed:

Jul. 23, 2019
Applicants:

Ut-battelle, Llc, Oak Ridge, TN (US);

University of Tennessee Research Foundation, Knoxville, TN (US);

Inventors:

Amit K. Naskar, Knoxville, TN (US);

Kokouvi Akato, Bear, DE (US);

Ngoc A. Nguyen, Oak Ridge, TN (US);

David P. Harper, Maryville, TN (US);

Assignees:

UT-Battelle, LLC, Oak Ridge, TN (US);

University of Tennessee Research Foundation, Knoxville, TN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 3/18 (2006.01); C08K 5/09 (2006.01); C08L 97/00 (2006.01); C08J 3/20 (2006.01); C08K 5/101 (2006.01);
U.S. Cl.
CPC ...
C08J 3/18 (2013.01); C08J 3/201 (2013.01); C08K 5/09 (2013.01); C08K 5/101 (2013.01); C08L 97/005 (2013.01); C08J 2367/02 (2013.01);
Abstract

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.


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