A composition 1, wherein {HEAD ~ component B} has {TAIL ~ a pore volume} greater than 2 cm3 /g 
has
A composition 1 , wherein { HEAD ~ component B } has { TAIL ~ a pore volume } greater than 2 cm3 /g
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH