Adhesive compositions with polyesters comprising 2,2,4,4-tetraalkyl-1,3-cyclobutanediol and methods of making the same

US12037521B2 · kind B2 · utility

Assignee

• Eastman Chemical (China) Co., Ltd.

Inventors

• Liu Deng · Kingsport, US
• Emmett Dudley Crawford · Kingsport, US
• Wentao Li · Kingsport, US
• John Thorton Maddox · Jonesborough, US
• Christopher Harlan Burk · Spurgeon, US
• Cheng Zhu · Livermore, US
• Kujtim Bizati · Johnson City, US
• Bing Yuan · Methuen, US
• Dayu Zhang · Shanghai, CN
• Tara Renee Cary · Johnson City, US
• Thauming Kuo · Kingsport, US

Key dates

• Filing date: Dec 6, 2019
• Grant date: Jul 16, 2024
• Expiry date: Feb 27, 2041

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09J2475/00
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

Adhesive compositions comprising a polyester polyol that includes residues of at least one 2,2,4,4-tetraalkylcyclobutane-1,3-diol, including, for example, 2,2,4,4-tetramethylcyclobutane-1,3-diol (TMCD). Adhesive compositions may exhibit enhanced properties as compared to conventional adhesive compositions, and may be suitable for a wide variety of end use applications, including, flexible packaging, woodworking, automotive uses, and electronics.