| 摘要 |
PCT No. PCT/FR97/00396 Sec. 371 Date Jan. 8, 1999 Sec. 102(e) Date Jan. 8, 1999 PCT Filed Mar. 6, 1997 PCT Pub. No. WO97/32920 PCT Pub. Date Sep. 12, 1997Composite particles having a core consisting of an organic polymer and a coating including at least one aluminum, silicon, zirconium and/or transition metal oxide and/or hydroxide, and optionally containing calcium carbonate, as well as methods for preparing same, are disclosed. The use of said composite particles for preparing hollow particles with a shell of the same kind as the above-mentioned coating is also disclosed. Finally, the use of said hollow composite particles as fillers or additives in plastics and elastomers is disclosed. |
