Patent ID: 6905785
Filing Date: 2005-06-14
Classification: C08G,C09K,H01L,Y10S

Abstract:
1. A method of producing a polymeric fluorescent substance wherein one or more monomers represented by the general formula (1) are polymerized in a solvent containing one or more aromatic hydrocarbon solvents and/or ether solvents in the presence of a zerovalent nickel complex in an amount of 1.8 mol or more based on 1 mol of said monomers, wherein, Ar 1 represents a divalent groups selected from the group consisting of arylene groups, divalent heterocyclic compound groups, and divalent or trivalent hetero atom-bonded arylene or divalent heterocyclic compound groups; Ar 1 may have one or more substituents; X 1 and X 2 represent leaving groups which may be the same or different, and wherein the substance has a polystyrene reduced weight-average molecular weight of 6×10