<p>The invention provides particulate natural magnesium hydroxide (e.g. brucite) having a d90 less than or equal to 6.2 µm, as measured by CILAS, and a particulate filler material for use in a polymeric composition, particularly but not exclusively a flame-retardant polymeric composition, the filler material comprising the particulate natural magnesium hydroxide and optionally one or more other particulate inorganic material (e.g. alumina trihydrate).</p>
申请公布号
WO2005077829(A1)
申请公布日期
2005.08.25
申请号
WO2005GB00388
申请日期
2005.02.04
申请人
IMERYS MINERALS LIMITED;AGRA-GUTIERREZ, CESAR;WINDEBANK, MARK;PALM, SCOTT;SKUSE, DAVID;TSAI, FU-JYA, DANIEL
发明人
AGRA-GUTIERREZ, CESAR;WINDEBANK, MARK;PALM, SCOTT;SKUSE, DAVID;TSAI, FU-JYA, DANIEL