Abstract: The disclosure relates to an adhesive composition for bonding lignocellulosic substrates. The adhesive composition contains a crosslinker and a non-urea diluent where the non-urea diluent is present in an amount from about 0.01 to about 75 weight % based on the total wet weight of the composition and where the crosslinker contains essentially no formaldehyde. Also disclosed is the adhesive further containing. an aqueous mixture of a protein source. The disclosure also relates to a process for making lignocellulosic composites utilizing the disclosed adhesive composition and to the lignocellulosic composites made using the disclosed process.
Type:
Grant
Filed:
October 9, 2008
Date of Patent:
April 3, 2012
Assignee:
Hercules Incorportated
Inventors:
Richard L. Brady, Qu-Ming Gu, Ronald R. Staib