High speed liquid chromatographic packing and process for...

Details High speed liquid chromatographic packing and process for... High speed liquid chromatographic packing and process for...

C - Chemistry, Metallurgy

08

F

402/182, 252/31

C08F 26/06 (2006.01) B01D 15/08 (2006.01) C08F 8/12 (2006.01) C08F 16/00 (2006.01)

Patent

CA 1157996

ABSTRACT OF THE DISCLOSURE A granular crosslinked copolymer suitable as a high speed liquid chromatographic packing and especially as a gel permeation chromatographic packing is disclosed. In a preferred embodiment of the invention the packing is a copolymer essentially consisting of (I) units of at least one vinyl alcohol, (II) units of at least one vinyl ester of a carboxylic acid and (III) units of at least one crosslinking monomer having an isocyanurate ring, the ratio of the units (I) to the units (II) in the copolymer being within the range satisfying the following equation: about 0.4 Image about 0.8 wherein a and b are molar ratios of the units (I) and (II), respectively, in the total units (I), (II) and (III) of the copolymer, and a process for preparing the same by suspension polymerization is disclosed.

379558

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