| 摘要 |
<p>PCT No. PCT/FI88/00033 Sec. 371 Date Sep. 8, 1989 Sec. 102(e) Date Sep. 8, 1989 PCT Filed Mar. 7, 1988 PCT Pub. No. WO88/07104 PCT Pub. Date Sep. 22, 1988.A procedure for manufacturing lignocellulosic material products and for improving their strength and water resistance characteristics, high-molar mass lignin derivatives being added to the lignocellulosic material, of which at least 35% by weight are over 5000 in molar mass.</p> |
