JP2008530312A5 - - Google Patents

Claims (4)

A method of adjusting the permeability of a zeolite or molecular sieve comprising coating the inner surface of the zeolite or molecular sieve with a nanostructured material selected from the group consisting of POSS and POS, wherein the gas separation characteristics of the zeolite or molecular sieve are coated As a result of the modification. The method of claim 1 , wherein the zeolite or molecular sieve is coated with the nanostructured material using a technique selected from the group consisting of solventless technology and supercritical fluid assist technology. 3. The method according to claim 2 , wherein the technique is a processing method selected from the group consisting of a molten state processing method, a spray processing method, a flow processing method and a mixing processing method. A The method of claim 1, nanostructured material, POSS-silanols, formula _{[(RSiO 1.5) 4 (R} 1 XSiO 1.0) 3] Σ7 siloxide of polysilsesquioxane [( RSiO _{1.5) n]} Σ _# and POSS fragments _{[(RSiO 1.5) m (R} 1 XSiO 1.0) n] Σ Ri compounds derived der selected from the group consisting of _#, where the R R ¹ represents an organic substituent, which can be the same or different, X is a functional group, m and n represent the stoichiometry of the formula, Σ represents a nanostructure, and # represents a nanostructure A method representing the number of silicon atoms contained in a structure .