Spherical porous cross-linked copolymers of...

Details Spherical porous cross-linked copolymers of... Spherical porous cross-linked copolymers of...

C - Chemistry, Metallurgy

08

J

252/31

C08J 9/28 (2006.01) C08F 8/30 (2006.01) C08F 212/14 (2006.01)

Patent

CA 1137264

ABSTRACT OF THE DISCLOSURE A porous cross-linked copolymer of chloromethylstyrene and divinylbenzene having a divinylbenzene unit represented by Xm of from about 9.0 percent by mole to about 17.0 percent by mole based on the total moles of monomer units; a content of active chlorine atom of from about 5.25 - 0.08 Xm mmole/g-dry resin to about 6.43 - 0.10 Xm mmole/g-dry resin; a water regain of from about 0.10 ml/g-dry resin to about 1.20 ml/g-dry resin; and a total volume of micro pores having a diameter of from about 500 angstroms to about 3000 angstroms of from 0.10 ml/g-dry resin to about 1.20 ml/g-dry resin; and a porous iminodiacetic acid type chelating resin having a Xm of from about 9.0 percent by mole to about 17.0 percent by mole based on the total moles of all monomer units; an ion exchange capacity of from about 5.35 - 12.0 Xml(205.6 - 1,30 Xm) meq/g-dry resin to about 7.93 - 18.1 Xm/(247.1 - 2.0 Xm) meq/g-dry resin; a water regain of from about 0.60 ml/g-dry resin to about 2.20 ml/g-dry resin; and the total volume of micro pores having a diameter of from about 500 angstroms to about 3000 angstroms of from about 0.05 ml/g-dry resin to about 0.60 ml/g-dry resin.

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