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1·The test has shown that as the degree of profile increases, the initial modulus and the breaking strength and elongation of profile yarn decreases. We have also quined the findi...

试验表明，在相同纺丝条件下，涤纶三叶异丝的断裂强伸度和初始模量随丝条异形度的提高而降低，而断裂强伸度变异系数、沸水收缩率和条干不匀率却随之增大。