| Patent No: | CN1717368 [China] | Application No: | CN2002830085 |
| Title: | Process for preparing hydrotalcite and brucite type positive charged layers | ||
| Issue Date: | 26-05-2010 | File Date: | 23-12-2002 |
| Inventor(s): | Mahasukhray Oza Pravinchandra; Mehta Satishbhai Hariray; Ghosh Pushipito Kumar; Sheth Murnalben Vinodray; Gandhi Mahesh Ramniklal; Rameschandra Jatin Chunawala | ||
| IPC Classification: | C01B31/24, C01F7/00, C09C1/40 | ||
| Abstract: | An improved process is described for the preparation of surface modified hydrotalcite. The process comprises reaction a precursor of magnesium and aluminium in the presence of suitable alkali carbonate at high temperature. The product has a BET surface area of = 20 M<2>/gm and average particle size of = 0.5m and is useful as halogen scavenger and fire retardant. | ||