Japanese Laid Open Patent Publication No 213620/93 proposes particles having {HEAD ~ a large specific surface area} with {TAIL ~ a large roughness factor} of the particle surface, and a high oil absorption 
Japanese Laid Open Patent Publication No 213620/93 proposes particles having { HEAD ~ a large specific surface area } with { TAIL ~ a large roughness factor } of the particle surface , and a high oil absorption
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH