Containers comprising polyester compositions which comprise cyclobutanediol

US8354491B2 · kind B2 · utility

Assignee

• Eastman Chemical Company · US

Inventors

• Emmett Dudley Crawford · Kingsport, US
• Thomas Joseph Pecorini · Kingsport, US
• David Scott Porter · Middlebury, US
• Gary Wayne Connell · Church Hill, US
• Michael James Keegan · Kingsport, US

Key dates

• Filing date: Jan 28, 2011
• Grant date: Jan 15, 2013
• Expiry date: Jul 15, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31786
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Described are container(s) comprising polyesters comprising (a) a dicarboxylic acid component comprising terephthalic acid residues; optionally, aromatic dicarboxylic acid or aliphatic dicarboxylic acid residues; and (b) a glycol component comprising 15 to 50 mole % 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and 50 to 85 mole % 1,4-cyclohexanedimethanol residues; wherein the total mole % of said dicarboxylic acid component is 100 mole %, and the total mole % of said glycol component is 100 mole %;