公开(公告)号：WO2003097748A3

公开(公告)日：2003-11-27

申请号：PCT/US2003/014758

申请日：2003-05-12

Applicant: ENGELHARD CORPORATION

Inventor： DELUCA, Carmine, V., Jr.

IPC: C09C1/00

Abstract: Optically variable interference pigments are composed of platelets of at least partly core-free titanium dioxide-coated substrate of about 1-25 mm particle size and an interference thickness of about 5-600 nm which have an oxide coating thereon.

公开(公告)号：WO2003097749A1

公开(公告)日：2003-11-27

申请号：PCT/US2003/014927

申请日：2003-05-12

Applicant: ENGELHARD CORPORATION

Inventor： DELUCA, Carmine, V., Jr. ,  CERCE, Louis, R., Jr.

IPC: C09C1/00

CPC classification number: C09C1/0021 ,  C01P2004/84 ,  C09C2200/102 ,  C09C2220/10 ,  C09C2220/106

Abstract: A pearlescent pigment comprising substrate particles having an adherent layer of rutile titanium dioxide thereon is prepared by effecting the deposition of hydrous titanium dioxide on the substrate particles after contacting the particles at elevated pH with titanium tetrachloride.

Abstract translation: 包含其上具有金红石二氧化钛的粘附层的基底颗粒的珠光颜料通过在升高的pH下与四氯化钛接触颗粒之后，在底物颗粒上沉积水合二氧化钛来制备。