Patent ID: 6482867
Filing Date: 2002-11-19
Classification: B01D,B01J,C08J

Abstract:
A polymer packing material for liquid chromatography comprising:said polymer packing material having a polymer particle based on a styrene skeleton with monodispersed particle distribution, wherein said polymer packing material includes the following formula I and formula II, â€ƒwherein R in the formula II represents a hydrocarbon group having from one to 18 carbon atoms; said polymer particle having a fine pore with a diameter larger than about 2 nm and a micropore with a diameter not larger than 2 nm existing in said fine pore; said micropore having a hydrophilic inner surface; and said hydrophilic inner surface having a hydrophobic group introduced partially thereinto by chemical modification, wherein said hydrophobic group comprises from one to 18 carbon atoms.