Eastman Chemical Company
BLENDS OF COPOLYESTERS HAVING RECYCLED CONTENT AND HIGH HEAT RESISTANCE

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Abstract:

Described are polymer compositions that include a blend of recycled poly(ethylene terephthalate) (rPET) and a copolyester based on monomers that include on terephthalic acid (TPA), ethylene glycol (EG) and 2,2,4,4-tetramethyl-1,3-cyclobutanediol (TMCD), wherein the blend has improved engineering properties compared to the rPET material.

Status:
Application
Type:

Utility

Filling date:

6 May 2020

Issue date:

16 Jun 2022