Disclosed are a class of compositions, and methods of preparing them, which compositions are comprised of {TAIL ~ inorganic oxides} and {HEAD ~ organic bases} 
Disclosed are a class of compositions , and methods of preparing them , which compositions are comprised of { TAIL ~ inorganic oxides } and { HEAD ~ organic bases }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD