| 摘要 |
Use of solid sodium aluminate with sodium oxide/alumina ratio of 1-1.5, alumina content of 53-55% and a particle size distribution of 0.1-1 mm, where the amount of solid sodium aluminate is 1-35, preferably 2-10 wt.% with respect to starch portion, or an aqueous sodium aluminate solution with a solid content of 10-45 wt.% based on starch portion, sodium oxide/alumina ratio of 1.5-1.5 and alumina content of 5-25 wt.%, as component in borax-free starch glue for paper and corrugated cardboard production, is claimed. |
