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Three difunctional low polarity acrylate monomers were synthesized in this study.After purification, the obtained acrylates were then mixed with a co-monomer tricyclodecane dimethanol diacrylate(TDDA) to prepare their homopolymers and copolymers by irradiating UV-light.The chemical structures of obtained symmetry acrylates (SA1, SA2 and SA3) were characterized by NMR.The thermal degradation temperatures of the obtained films were tested by thermal gravimetric analysis (TGA).