| 摘要 |
PCT No. PCT/NL90/00096 Sec. 371 Date Mar. 19, 1991 Sec. 102(e) Date Mar. 19, 1991 PCT Filed Jul. 16, 1990 PCT Pub. No. WO91/01346 PCT Pub. Date Feb. 7, 1991.Thin self-supporting green compact, less than 25 mu thick, containing an inorganic substance and as a binder a polymer with a weight average molecular weight of more than 400,000, which polymer in a suitable solvent can form a thermoreversible gel above room temperature, the volume fraction of the inorganic substance being more than 45% relative to the total amount of binder plus inorganic substance and a process to prepare such green compacts. |
