<p>A method for the preparation of colloidally stable particles of inorganic solid at high concentration which method comprises at least the step of precipitating from an aqueous medium the particles of the inorganic solid in the presence of a copolymer which comprises repeating units derived from: Component A: a hydrophilic oligomer or polymer bearing an addition-polymerisable olefinically-unsaturated group; Component B: an olefinically-unsaturated compound capable of copolymerising with Component A and bearing a mineral acid group or a dicarboxylic acid group, or a carboxylic acid and a further group capable of hydrogen-bonding. n</p>
申请公布号
EP0395243(A2)
申请公布日期
1990.10.31
申请号
EP19900303697
申请日期
1990.04.06
申请人
IMPERIAL CHEMICAL INDUSTRIES PLC
发明人
BUSCALL, RICHARD;SCALES, PETER JOSEPH;WILLIAMS, SERENA JANE;NEWTON, JILL ELIZABETH