<p>A discrete powder which comprises particles in which a biliquid foam has been entrapped within a matrix of a polymeric material. A process for the preparation of these discrete powders comprises the steps of: i) preparing a biliquid foam, ii) forming a dispersion of the biliquid foam in an aqueous solution, suspension or dispersion of a polymeric material, and iii) subjecting the dispersion to drying under conditions such that a discrete powder is formed.</p>
申请公布号
WO2004002436(A1)
申请公布日期
2004.01.08
申请号
WO2003GB02713
申请日期
2003.06.24
申请人
DISPERSE LIMITED;CRUTCHLEY, NIGEL, STUART;GLADMAN, DAVID, CHARLES, FLETCHER;LENON, STEPHEN, JOHN
发明人
CRUTCHLEY, NIGEL, STUART;GLADMAN, DAVID, CHARLES, FLETCHER;LENON, STEPHEN, JOHN