| 摘要 |
PCT No. PCT/FR98/00658 Sec. 371 Date Nov. 19, 1998 Sec. 102(e) Date Nov. 19, 1998 PCT Filed Apr. 1, 1998 PCT Pub. No. WO98/44004 PCT Pub. Date Oct. 8, 1998The invention relates to the field of biological chemistry, and to polysaccharides in particular. Specifically, it concerns biological products obtained as a result of the polymerization and crosslinking in an alkaline medium of a gel, comprised of wheat or spelt wheat flour, in the presence of a dual-function crosslinking reagent. The invention further relates to a process for obtaining said biological products, consisting in forming an aqueous dispersion of flour, rendering this dispersion alkaline by adding an alkaline metal hydroxide, performing polymerization and crosslinking in the presence of a dual-function crosslinking reagent, and drying the resultant gel to obtain a vitreous, lightly colored product with a solid substance content of between 75% and 85% which is then ground into hard particles of a predetermined size. The application of the invention is abrasive particles. |
