Organic polymer particles and process for producing same

Abstract

Organic polymer particles having a structure shown by the following formula (1) are disclosed. wherein A represents an alkylidene group, an alkylene group, a cyclohexylene group, or a phenylene group, and B represents a linear or branched alkylene group or an alkylidene group having 1 to 6 carbon atoms.

1 - 4 . (canceled) 
     
     
         5 . Organic polymer particles comprising a structure shown by the following formula (3): 
       
         
           
           
               
               
           
         
         wherein E represents an alkylene group or an alkylidene group having 1 to 12 carbon atoms which may be branched, or a single bond. 
       
     
     
         6 . The organic polymer particles according to  claim 5 , wherein the structure represented by the formula (3) is derived from at least one compound selected from 2-(meth)acryloyloxyethyl phthalate, 2-(meth)acryloyloxypropyl phthalate, 20 p-vinylbenzoic acid, and vinylphenylacetic acid. 
     
     
         7 - 8 . (canceled) 
     
     
         9 . The organic polymer particles according to  claim 5 , comprising a magnetic material. 
     
     
         10 - 11 . (canceled) 
     
     
         12 . The organic polymer particles according to  claim 5 , wherein the particle surface comprises a copolymer made from a compound (A) having a structure of the formula (3) and a polymerizable unsaturated group, and another copolymerizable monomer (B). 
     
     
         13 - 14 . (canceled) 
     
     
         15 . The organic polymer particles according to  claim 12 , comprising mother particles containing nuclear particles and a magnetic material layer of superparamagnetic fine particles formed on the surface of the nuclear particles, and a copolymer layer made from the copolymer which is formed to cover the mother particles. 
     
     
         16 - 17 . (canceled) 
     
     
         18 . The organic polymer particles according to  claim 5  used for protein bonding. 
     
     
         19 - 20 . (canceled) 
     
     
         21 . A process for producing organic polymer particles comprising polymerizing a monomer part comprising a compound having a structure of the above formula (3) and an ethylenically unsaturated group.