<p>A dispersion of a particulate inorganic material comprises a non-aqueous liquid medium containing a particulate inorganic material dispersed therein and an effective amount of one or more dispersing agent which serves to maintain the particulate inorganic material in dispersion in the non-aqueous medium, wherein the particulate inorganic material has an average particle size (d<SUB>50</SUB>) less than about 9 µm, the particulate inorganic material is present in the non-aqueous medium in an amount greater than about 70 % by weight of the dispersion and the viscosity of the dispersion is less than about 150 Pa.s measured at room temperature on a Bohlin rheometer using a 20mm cone/plate at a shear rate of 1/sec. A substantially dry particulate inorganic material surface treated with the dispersing agent and optionally one or more hydrophobising surface treatment agent, and capable of forming the said dispersion, is a further feature of the invention.</p>
申请公布号
WO2006100510(A1)
申请公布日期
2006.09.28
申请号
WO2006GB01101
申请日期
2006.03.24
申请人
IMERYS MINERALS LIMITED;GITTINS, DAVID, IAN;LONGEVAL, RUDY, ANTOINE, THEOFIEL;SKUSE, DAVID, ROBERT
发明人
GITTINS, DAVID, IAN;LONGEVAL, RUDY, ANTOINE, THEOFIEL;SKUSE, DAVID, ROBERT