Patent ID: 9404221
Filing Date: 2016-08-02
CPC Classification: B27N,C04B,C08L,D21C,D21H

Claim Text:
1. A method for making a composite product, comprising: mixing a plurality of lignocellulose substrates, a binder, and a mixture comprising a lignosulfonic acid or a salt thereof, a hydrophobizing agent, and a liquid medium to produce a resinated furnish, wherein the mixture comprises about 40 wt % to about 60 wt % of the lignosulfonic acid or salt thereof, about 1 wt % to about 20 wt % of the hydrophobizing agent, and about 20 wt % to about 59 wt % of the liquid medium, wherein all weight percents are based on the combined weight of the lignosulfonic acid or salt thereof, the hydrophobizing agent, and the liquid medium; and heating the resinated furnish to produce a composite product.