Lignosulphonate along with a diisocyanate used for production of fiberboards, strawboards, particleboards, oriented strand boards, wood fiber insulation boards, etc. Grafted lignin or lignosulfonate component, and resin. Binder yields low cost composite materials with having a reasonable wet strength. A lignosulphonate based modifier has been added to formaldehyde based binder systems such as phenol formaldehyde […]