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生物基戊二胺己二酸盐改性共聚酯是将生物基戊二胺己二酸盐加入聚酯体系中合成的一种新的材料,用差示扫描量热分析法和热重分析研究生物基戊二胺己二酸盐改性共聚酯的热性能,制备了改性共聚酯长丝,研究了长丝的取向度、力学性能及亲水性能等。结果表明:改性共聚酯具有较好的热性能,纤维的取向度较常规聚酯纤维降低,纤维的手感和亲水性能显著改善,改性共聚酯长丝的断裂强度降低,断裂伸长率提高,戊二胺己二酸盐添加量不宜太大,控制在10%左右比较合适。
Bio-based pentamethylene diamine adipate modified copolyester is a new material synthesized by adding bio-based pentamethylenediamine adipate to the polyester system. Differential scanning calorimetry and thermogravimetric analysis The thermal properties of bio-pentamethylene diamine adipate-modified copolyesters were studied. The modified copolyester filaments were prepared and the orientation, mechanical properties and hydrophilicity of the filaments were studied. The results showed that the modified copolyester had better thermal properties, the degree of orientation of the fibers was lower than that of the conventional polyester fibers, the feel and hydrophilicity of the fibers were significantly improved, the breaking strength of the modified copolyester filaments decreased, Increasing the rate of increase in the amount of pentamethylenediamine adipate should not be too large, control at about 10% is more appropriate.