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柠檬酸三正丁酯与三醋酸甘油酯增塑醋酸纤维素的研究 被引量:17

Study of Cellulose Acetate Plasticized with Tributyl Citrate and Glyceryl Triacetate
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摘要 研究了柠檬酸三正丁酯(TBC)、三醋酸甘油酯(GT)及增塑剂含量为25%的复合增塑体系中不同GT含量对醋酸纤维素(CA)流变性能和力学性能的影响。结果表明,随着添加量的增加,TBC和GT都能提高CA的熔体流动速率。在添加量为25%的时候,GT和TBC单独增塑CA的熔体流动速率分别为5.42 g/(10 min)和0.060 g/(10 min);添加25%的含有20%GT与80%的TBC复合增塑剂增塑CA的冲击强度和熔体流动速率分别为9.2 kJ/m2和3.63 g/(10 min),能够获得较好的综合性能。 Effect of plasticizers, tributyl citrate (TBC) and glyceryl triacetate (GT), on the mechanical and rheological properties of cellulose acetate(CA) was investigated. It showed that the plasticizing efficiency of GT was better than that of TBC for the same addition level. When the content of TBC or GT was 25%, the melt flow rates were 0. 060 g/(10 min) for TBC and 5.42 g/(10 min) for GT. The system containing 5 % GT and 20 % TBC gave rise to an impact strength of 9.2 kJ/m2 and a melt flow rate of 3.63 g/(10 min).
出处 《中国塑料》 CAS CSCD 北大核心 2011年第3期43-48,共6页 China Plastics
基金 深圳市高分子材料改性与加工公共技术服务平台(JP200806230014A)
关键词 醋酸纤维素 柠檬酸三正丁酯 三醋酸甘油酯 增塑 cellulose acetate tributyl citrate glyceryl triacetate plasticization
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