| 摘要 |
PURPOSE:To obtain a flame-retardant polyester elastomer composition having improved heat aging resistance and electrical characteristics, by adding an amine based antioxidant and hindered amine based light stabilizer to a polyester elastomer. CONSTITUTION:A composition obtained by blending (A) 100pts.wt. segmented polyester consisting of a polyester elastomer, e.g. terephthalic acid based crystalline polyester hard segments and aliphatic polyether soft segments, with (B) 1-5pts.wt. amine based antioxidant and (C) 0.5-5pts.wt. hindered amine based light stabilizer, preferably a piperidine based compound preferably containing the structure expressed by the formula and, as necessary, a bromine or chlorine based flame retardant, flame retardant assistance, such as antimony trioxide, and a polyfunctional monomer, such as tiallyl isocyanurate or trimethylolpropane trimethacrylate.
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