摘要
采用气压式毛细管流变仪对聚四氢呋喃醚二醇 / 4 ,4 —二苯基甲烷二异氰酸酯 ( PTMG/ MDI)系聚氨酯溶液的流变性能进行了分析与讨论 .结果表明 ,该溶液体系为切力变稀型流体 ,随聚氨酯中硬段含量增加 ,切力变稀现象明显 .
This paper studies the rheologic properties of polyurethane solution made from PTMG/MDI with capillary rheometer.The results show that the solution system is a shearthinning fluid and the higher the contents of the hard segments in the polyurethane chains,the more evident of the shear thinning.
出处
《天津纺织工学院学报》
北大核心
2000年第2期34-36,共3页
Journal of the Tianjin Institute of Textile Science and Technology
