Study On The Synthesis And Application Of The Linear Vinyl Copolymer

In this paper, we synthesized a series of linear polymeric materials and mainly discussed polymeric materals in metal surface protection and macromolecular rare earth fluroscent materials. It consists of five parts as follows:1. A brief review of the study for two types of polymer materials has been given.2. The polymerizable intermediate of epoxy resin, which based on the reaction of epoxy resin and acrylic amide, can copolymerize with acrylonitrile, acrylic acid and its derivatives, styrene etc to form a epoxy grafted acrylic resin containing nitrile by using free radical solvent polymerization. A novel resistance to chemicals iiacrylic resin has been synthesized. The best processes concerning synthesis of the resin are determined via investigation and the factors influencing the resin properties have been discussed. The result indicated that epoxy resin's grafting and addition to acrylonitrile has remarkably improved resistance to chemicals of acrylic resin, which make it apply in chemical pot's packing domains and so on.Traditional physically blending acrylic resin and epoxy resin are easily settled and stratify. It is difficult to embody their separately characteristics, which limits its application.3. Macromolecular Rare earth fluroscent complexes with phenylamine-g-poly (styrene-co-maleic anhydride) (Ln- SMA-PA,Fig a) have been synthesized, and the characterization both for ligand and complexes have studied in detail. 4.Macromolecular Rare earth fluroscent complexes with the hydrolysate of poly(styrene-co-maleic anhydride) (Ln-SMA,Fig b) have been synthesized, and the charaeterization of ligand and complexes have studied in detail.All of these rare earth complexes have been studied by means of elemental analysis, IR spectra, nuclear magnetic resonance spectroscopy (NMR) and fluorescence spectra.The results show that these two series macromolecular rare earth complexes are structurally specific, insoluble in most organic solvents and having high thermally stablity.5. The ligand of (Z)-4-oxo-4-(phenylamino) but-2-enoic acid and its rare earth complexes (Fig c) have been synthesized,and the charaeterization of ligand and complexes have studied.The ligand of (Z)-4-oxo-4-(phenylamino)but-2-enoic acid ccould soluble in acetone, ethanol and ethyl acetate,etc.The complexes of (Z)-4-oxo-4-(phenylamino)but-2-enoic acid with lanthanide could soluble in DMF and DMSO.In addition,we confirmed the structure of the ligand and the complexes based on the results of elemental analysis,IR spectra, ¹H and ¹³C NMR. The fluorescence spectra exhibits that the Eu³⁺ complex display characteristic metal-centered fluorescence in solid state.However, in the experiment, it can not be seen that characteristic emission peaks of Tb³⁺. Reveling that their is not compatibility between the energy levels of the ligand excited states and the accepting levels of Tb³⁺ , which made the energy transfer inefficient.