Solenis Technologies, L.p.

Hercules Corporation

Michael A Evans

Daniel F Varnell

Bryan K Spraul

Richard J Riehle

Anthony J Allen

Mark T Crisp

Ashley Hawkins Lewis

Jeffrey H Peltier

James M Wescott

Daniel F Varnel

Jeffrey Hubert Peltier

Ashley H Lewis

Provided is a process for improving the performance of wet-strength resins, such as polyaminopolyamide-epichlorohydrin resins, by treatment with a base to increase molecular weight to provide improved wet strength.

Process to improve performance of wet-strength resins through base activation

Disclosed is an adhesive composition comprising a protein component, an AE adduct component and an isocyanate component. Also disclosed is a composite and a method of making a composite comprising a substrate and the adhesive composition of the present invention.

Protein adhesive formulations with amine-epichlorohydrin and isocyanate additives

The invention is directed to composition, preparation and use of composite materials based on an adhesive with solids levels above 45% by weight that contain stable polyamidoamine-epihalohydrin resins (PAE resins) of solids greater than 40% where the relative high solids of the PAE enables the high solids content of the adhesive. Furthermore, at least 45% of the solids portion of the adhesive is made up of a combination of the solids of the PAE resin and the solids of the protein source. The invention is also directed an adhesive comprised of the PAE in combination with a soy protein source. The invention is also directed toward use of the adhesive in composite materials and in particular wood containing composite materials, and more specifically wood fiber or particle based composites.

Adhesive compositions

Growing community of inventors

Wilmington, DE, United States of America

Michael A Evans