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Cross-Linkable Polymeric Materials for Adhesion

Summary: Researchers at Purdue University have developed a new class of modifiable polymers that incorporate cross-linking groups. The polymers have varied properties, e.g., hardness, crystallinity, and varied degrees of incorporated cross-linking groups. The preparation of the polymers allows for cross-linking with various metals. By combining flexibility in polymer design along with flexibility in cross-linking reactions, we present a new and versatile family of materials, including water-soluble, UV-cure, and solvent applications. Consequently, the design of new materials can include various hardness, adhesive, electronic, and optical properties. These materials were tested for strength on a polished aluminum surface, a traditionally difficult surface for bonding, and showed strong adhesion up to 5 MPa (approximately 750 lb/in2). Bonding strength is on par with superglue without having been optimized. The polymer plus cross-link material is stable in boiling water for up to two hours.

Technology Benefits: Uniquely strong, waterproof adhesive As strong as superglue without having been optimized

Technology Application: Waterproof adhesive

Detailed Technology Description: Jonathan WilkerWilker Research GroupPurdue ChemistryJonathan WilkerPurdue Materials Engineering

Countries: United States

Application No.: 8,759,465

*Abstract

*Background: Currently available polymers have a rigid structure that is not amenable to modification. It is beneficial to have access to materials with alterable physical properties to fit a given application. There is use for such polymers in industrial to medical adhesives, rustproof coatings, and many other applications.

*IP Issue Date: Jun 24, 2014

*IP Type: CIP-CIP

*Stage of Development: Process validation in lab

*Web Links: Purdue Office of Technology CommercializationPurdueInnovation and EntrepreneurshipJonathan WilkerWilker Research GroupPurdue ChemistryJonathan WilkerPurdue Materials Engineering

Country/Region: USA

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