Reversible adhesives

US8664463B2 · kind B2 · utility

Assignee

• ALFRED E. MANN INSTITUTE FOR BIOMEDICAL ENGINEERING AT THE UNIVERSITY OF SOUTHERN CALIFORNIA · US

Inventors

• Changhong Zhang · Brunswick, US
• Manuel Martin Orosco · Pomona, US
• Xiang Yu · Town and Country, US
• Fikret Kirkbir · Los Angeles, US
• Mark E. Thompson · Villa Park, US

Key dates

• Filing date: Oct 5, 2011
• Grant date: Mar 4, 2014
• Expiry date: Jun 29, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2203/02
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

This disclosure relates generally to adhesives and particularly to reversible adhesives. This disclosure further relates to generally adhesive articles and particularly to wound dressings comprising such adhesives. The adhesive comprises a core and a shell comprising at least two components. One of the components of the shell comprises a polymer formed by reacting a monomer of a thermally reversible polymer and the other component comprises a polymer formed by reacting a monomer of a polymer of a pressure sensitive adhesive. The wound dressing comprises a substrate and the reversible adhesive, forming a reversible wound dressing. Such wound dressings are particularly suitable for treatment of damaged sensitive tissue, for example wounds formed on a fragile skin.