Photoluminescence rareearth polymer material and synthesis process thereof

Abstract

A high-molecular photoluminescent material is prepared through melt grafting the rare-earth compound of organic alkenyl acid, with synthetic high-molecular basic material, dissolving in arene solvent, precipitation in acetone and drying. Its advantages are high stability, fluorescent intensity and color purity, and low cost.

Description

technical field [0001] The invention relates to the field of photoluminescent materials, in particular to a rare earth polymer photoluminescent material and a synthesis method thereof. technical background [0002] Rare earth complexes are widely used in the fields of luminescence and display due to their unique fluorescent properties. my country is a country with a large number of rare earth resources, and it is of great significance to deeply process rare earth resources into new functional materials with high added value. The polymer compound containing luminescent rare earth ions has both the excellent luminescence performance of rare earth ions and the characteristics of easy processing of polymer compounds. The current research methods are basically divided into three types: (1) Rare earth small molecule complexes are directly mixed with polymers to obtain doped polymer fluorescent materials. Although this method is simple, due to the po...

AI Technical Summary

Problems solved by technology

The current research methods are basically divided into three types: (1) Rare earth small molecule complexes are directly mixed with polymers to obtain doped polymer fluorescent materials. Although this method is simple, due to the poor compatibility of rare earth compounds and resins, When doped at a high concentration, the transparency of the material will be deteriorated and the strength will be damaged; (2) firstly synthesize a rare earth complex monomer that can undergo polymerization reaction, and then copolymerize with other organic monomers to obtain a rare earth complex copolymer polymer, Although high-efficiency and stable fluorescent materials can be produced by this method, there are certain requirements for rare earth complex monomers and matrix monomers, which often lead to high material costs and limited use; Polymers with specific functional groups such as carboxyl and sulfonic acid groups can be reacted with rare earth compounds to produce another type of fluorescent material: polymer rare earth complexes

The choice of raw materials for this type of material is wide, but when the metal content is high, ion clusters are easily formed, and fluorescence quenching often occurs