CPC C08B 31/006 (2013.01) [B01J 20/267 (2013.01); B01J 20/28054 (2013.01); C02F 1/285 (2013.01); C08B 37/0012 (2013.01); C08G 18/7621 (2013.01); C08L 5/16 (2013.01); B01J 20/28057 (2013.01); C02F 2101/36 (2013.01); C02F 2303/04 (2013.01)] | 18 Claims |
1. A porous polymeric material comprising a plurality of cyclodextrins crosslinked with a plurality of aryl diisocyanate crosslinkers, wherein one or more of the plurality of cyclodextrins are bound to a linker of formula (I):
wherein
A is an aryl moiety;
each R1 is independently H or C1-C6 alkyl;
each R2 is independently H or alkyl;
each W is independently a bond, an alkylene group, an arylene group, a heteroarylene group, —O-arylene-, —(CH2)a-arylene-, —SO2-arylene-, —NH-arylene-, —S-arylene-, —O— heteroarylene-, —(CH2)a-heteroarylene-, —SO2-heteroarylene-, —NH-heteroarylene-, —S-heteroarylene-, —(—O—(CH2)a—)x—, —(—NH—(CH2)a—)x—, —(—S—(CH2)a—)x—,
wherein a is 0-100 and x is 1-100, and each arylene or heteroarylene moiety can be substituted or unsubstituted;
each Z is a cationic moiety;
each L is
A′ is a covalent bond to A;
Z′ is a covalent bond to Z;
* is a covalent bond to ;
is a point of attachment to the plurality of cyclodextrin carbon atoms;
x is 0-8;
y1 is 1-4;
y2 is 1-4; and
y3 is 0-4.
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