涤柔软对纯涤织物的强度影响有多大

2025-03-25 12:55:46
推荐回答(1个)
回答1:

  1. 纱线性质

  2. 织物的撕裂强度与纱线的断裂强力大约成正比,与纱线的断裂伸长率关系密切。当纱线的断裂伸长率大时,受力三角区内同时承担撕裂强力的纱线根数多,因此织物的撕裂强力大.经纬纱线间的摩擦阻力对织物的撕裂强度有消极影响。当摩擦阻力大时,两系统的纱线不易滑动,受力三角区变小,同时承担外力的纱线根数少,因此织物撕裂强力小。所以,纱线的捻度、表面形状对织物的撕裂强力也有影响。

2.织物结构

织物组织对织物撕裂强力有明显影响。在其他条件相同时,三原组织中,平纹组织的撕裂强力低,缎纹高,斜纹织物介于两者之间。织物密度对织物的撕裂强力的影响比较复杂。当纱线粗细相同时,密度小的织物撕裂强力高于密度大的织物。例如,纱布就不易撕裂.当经纬向密度接近时,经、纬向撕裂强度接近。而当经向密度大于纬向密度时,经向撕裂强力大于纬向撕裂强力。例如,府绸织物易出现经向裂口,是因为府绸织物纬密远小于经密,纬向撕裂强力远小于经向撕裂强力所致。


3.树脂整理

对于棉织物,枯胶纤维织物经树脂整理后纱线伸长率降低,织物脆性增加,织物撕裂强力下降。下降的程度与使用树脂种类,加工工艺有关。


4.试脸方法

试验方法不同时,测试出的撕裂强力不同,无可比性。因为撕裂方法不同时,撕裂三角区有明显差异。此外,撕裂强力大小与拉伸力一样,受温湿度的影响。

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