Although the components of wood – cellulose and lignin – are exceedingly cheap ... yet missing from the printed wood are the long fibers that naturally occur during the growth process.

It is now well known that greater proportions of lignin cannot be extracted from wood unless the solvent ... forces would render the dissolution of cellulose in water impossible.

Up to now, wood waste has had to be disposed of at great expense and, at best, has been used to generate energy in ...