WATER-SWELLING LAYERED DOUBLE HYDROXIDE, METHOD FOR PRODUCING SAME, GEL OR SOL SUBSTANCE, DOUBLE HYDROXIDE NANOSHEET, AND METHOD FOR PRODUCING SAME

摘要

Provided is a water-swelling layered double hydroxide characterized by having an organic sulfonic acid anion (A-) between layers, and by being represented by the belowmentioned general formula (1): QZR(OH)2(Z+1)(A-)(1-y)(Xn-)y/n·mH2O...(1). Here, Q is a divalent metal, R is a trivalent metal, A- is an organic sulfonic acid anion, m is a real number greater than 0, and z is in the range of 1.8 = z = 4.2. Xn- is the n-valent anion remaining without A­­- substitution, n is 1 or 2, y represents the remaining portion of Xn-, and 0 = y < 0.4.