Patent ID: 6982069
Filing Date: 2006-01-03
Classification: B41M,Y10T

Abstract:
1. A porous hydrotalcite compound represented by the following formula (1): wherein M II is Mg 2+ or/and Zn 2+ , A 1 n− is a silicic acid ion (HSi 2 O 5 − ) and a sulfuric acid ion (SO 4 2− ), or a silicic acid ion (HSi 2 O 5 − ), A 2 m− is an anion selected from the group consisting of CO 3 2− , NO 3 − , Cl − and OH − , x and y satisfy 0.50<x≦0.80 and 0<y<2, and b satisfy 0.50<na+mb≦0.80, and having a BET specific surface area of 50 to 400 m