菠萝叶/淀粉复合材料制备工艺的研究

Study on Parameters of the Preparation of Pineapple Leaf/Starch Composites

采用加热模压成型法制备了菠萝叶/淀粉复合材料,通过正交试验探讨了不同工艺条件对复合材料力学性能的影响,明确了主要的影响因子及最优组合。结果表明:以拉伸强度作为力学性能的评价指标,随着加热温度的升高,复合材料的拉伸强度逐渐降低;在不同模压压力、不同模压时间的影响下,复合材料的拉伸强度均随着影响因子的增大呈现出先降低再增大的趋势。研究结果为利用热带作物秸秆纤维制备复合材料及性能评价提供了参考。

Pineapple leaf/starch composites were prepared by heating compression molding. The effects of different processing conditions on the mechanical properties of the composite were discussed by orthogonal experiment, and the main influencing factors and the optimal combination were identified. The tensile strength as the evaluation index of mechanical properties, the results show that the tensile strength of the composite decreases gradually with the increase of heating temperature. Under the influence of different molding pressure and molding time, the tensile strength of the composites first decreases then increases with the increase of influencing factors. The results provide a reference for the preparation of composites from tropical crop straw fiber and its performance evaluation.