公开(公告)号：EP2890734A4

公开(公告)日：2016-04-13

申请号：EP13832878

申请日：2013-08-28

Applicant: IXOM OPERATIONS PTY LTD

Inventor： ZHAO WEIGUO ,  RAYMOND MATTHEW ROY

IPC: C08K3/10 ,  C02F1/42 ,  C08F2/44 ,  C08F20/06

CPC classification number: C02F1/42 ,  B01J20/06 ,  B01J20/28004 ,  B01J20/28009 ,  B01J20/28019 ,  B01J39/20 ,  B01J41/14 ,  B01J47/014 ,  C02F1/285 ,  C02F1/488 ,  C02F2001/422 ,  C02F2001/425 ,  C02F2101/103 ,  C02F2101/105 ,  C02F2101/106 ,  C02F2101/163 ,  C02F2101/20 ,  C02F2101/22 ,  C02F2101/34 ,  C02F2101/345 ,  C02F2101/36 ,  C02F2101/38 ,  C02F2303/18 ,  C02F2305/12 ,  C08F2/44 ,  C08F220/32 ,  C08F222/1006 ,  C08K3/22 ,  C08K2201/01 ,  H01F1/42 ,  Y10T428/2982

Abstract: The present invention relates to polymer beads comprising a polymeric matrix and having a pitted surface, the polymeric matrix (i) comprising polymerised monomer residues of (a) at least one mono-ethylenically unsaturated monomer, and (b) at least one crosslinking monomer having at least two ethylenically unsaturated groups separated by at least 4 consecutive acyclic atoms, and (ii) having distributed therethrough solid particulate material and polymeric porogen.