The present invention relates to a TiO pigment coated sequentially in a wet treatment process with hydrous silica and hydrous alumina both in the presence of citric acid wherein the resulting pigment is coated with from 1 to 4% amorphous alumina based on the weight of the untreated TiO ; from 3 to 6% silica glass based on the weight of the untreated TiO.
Easy To Disperse, High Durability Tiopigment And Method Of Making Same
The present invention relates to a TiOpigment coated sequentially in a wet treatment process with hydrous silica and hydrous alumina both in the presence of citric acid wherein the resulting pigment is coated with from 1 to 4% amorphous alumina based on the weight of the untreated TiO; from 3 to 6% silica glass based on the weight of the untreated TiO.
Easy To Disperse, High Durability Tio2 Pigment And Method Of Making Same
Charles Bettler - Newark DE, US Michael Deibold - Wilmington DE, US
International Classification:
C09C001/36 C04B002/00
US Classification:
106442000, 106446000, 428403000, 428404000
Abstract:
The present invention relates to a TiOpigment coated sequentially in a wet treatment process with hydrous silica and hydrous alumina both in the presence of citric acid wherein the resulting pigment is coated with from 1 to 4% amorphous alumina based on the weight of the untreated TiO; from 3 to 6% silica glass based on the weight of the untreated TiO.
Easy To Disperse, High Durability Tio2 Pigment And Method Of Making Same
Charles Bettler - Newark DE, US Michael Deibold - Wilmington DE, US
International Classification:
C09C001/36 C08K009/10
US Classification:
523210000, 106447000, 106442000, 523216000
Abstract:
The present invention relates to a TiOpigment coated sequentially in a wet treatment process with hydrous silica and hydrous alumina both in the presence of citric acid wherein the resulting pigment is coated with from 1 to 4% amorphous alumina based on the weight of the untreated TiO; from 3 to 6% silica glass based on the weight of the untreated TiO.
Titanium Dioxide Pigment Coated With Boria-Modified Silica And Alumina