TOLUENE SULFONIC ACID SWELLING OF PERYLENE PIGMENTS
摘要
A method of acid swelling crude perylene pigment by treating the crude with about 2 to 10 parts by weight of toluene sulfonic acid at an elevated pressure and at temperatures ranging from 40 to 140 C.
申请公布号
WO0248267(A2)
申请公布日期
2002.06.20
申请号
WO2001US49878
申请日期
2001.11.01
申请人
SUN CHEMICAL CORPORATION
发明人
SUNG, EDWARD;ROBERTSON, GEORGE, H.;ARIZO, CHRIS, M.
