成核剂TMC-300对聚乳酸结晶的影响
China Plastics Industry(2014)
Abstract
针对聚乳酸结晶速度慢、结晶度低的问题,通过添加聚乳酸成核剂TMC-300来改善其结晶性能.实验过程采用热重、红外、结晶速率测定仪以及X光衍射等手段考察了成核剂TMC-300对聚乳酸结晶的影响.成核剂TMC-300没有对聚乳酸的结构和晶型造成影响,但大大缩短了半晶时间.在0.8%的添加量下,半晶时间低至40 s.结果表明,TMC-300是一种有效的聚乳酸成核剂.
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Key words
crystallization,pla
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