正交试验法优化ACR增韧PLA的制备工艺Optimization of Preparation Process of ACR Toughened PLA by Orthogonal Experiment
高金钰;赵赫;张求学;邓云娇;
摘要(Abstract)：
采用乳液聚合法制备了一系列核壳型增韧改性剂ACR并用于聚乳酸(PLA)的增韧。利用L16(45)正交试验设计方法,研究了ACR粒子的核壳比、粒径、用量以及交联剂用量对共混体系结构和性能的影响。结果得出增韧PLA的最佳工艺条件为:ACR核壳比75/25,粒径约185.0 nm,用量20%,交联剂用量0.5%。此时PLA/ACR共混物的冲击强度为29.128 kJ/m2,约为纯PLA的11倍。极差分析结果表明,ACR用量和核壳比是影响增韧效果的主要因素。
关键词(KeyWords)： 正交试验;核壳型丙烯酸酯类增韧剂;聚乳酸;增韧
基金项目(Foundation):
作者(Authors): 高金钰;赵赫;张求学;邓云娇;
DOI: 10.15925/j.cnki.issn1005-3360.2018.11.008
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