-
公开(公告)号:US3565656A
公开(公告)日:1971-02-23
申请号:US3565656D
申请日:1968-04-11
Applicant: ALLIED CHEM
Inventor: ALLEN HOWARD T , SANTIMAURO JOHN F
CPC classification number: C09C1/0081 , C01P2006/80
Abstract: SOFT, EASILY DISPERSIBLE IRON OXIDE PIGMENTS ARE OBTAINED BY LAKING, I.E. PRECIPITATING, FRESHLY PREPARED FERROUS/FERRIC HYDROXIDE TOGETHER WITH ALUMINUM HYDROXIDE, FILTERING, WASHING THE PRECIPITATE INORGANIC SALT-FREE, AND DRYING THE PRODUCT. WHEN INCORPORATED INTO SYNTHETIC RESIN SYSTEMS, E.G. THERMOSETTING ACRYLIC RESINS, PIGMENTED COATING COMPOSITIONS OF EXCELLENT FASTNESS CHARACTERISTICS AND TRANSPARENCY ARE OBTAINED.