| 摘要 |
PCT No. PCT/FR96/01206 Sec. 371 Date Apr. 2, 1998 Sec. 102(e) Date Apr. 2, 1998 PCT Filed Jul. 31, 1996 PCT Pub. No. WO97/12954 PCT Pub. Date Apr. 10, 1997The invention relates to a descaling formulation comprising cellulose microfibrils, in which at least 80% of the cells have primary walls and not more than 20% of the cells have secondary walls, with a degree of crystallinity of not more than 50%. The pH of the formulation is less than or equal to 1 and more particularly less than or equal to 0.5. |
