How to deal with defects on the finished fabric surface



1. How to deal with lint caused by poor cotton yarn blending and inadequate pre-dyeing treatment</p </p a. 半制品可轻微的可重做前处理,严重的要轻掸毛后再做丝光。 </p b. 成品布要剥色后,再掸毛、丝光、套色。 </p c. …

1. How to deal with lint caused by poor cotton yarn blending and inadequate pre-dyeing treatment</p

</p

a. 半制品可轻微的可重做前处理,严重的要轻掸毛后再做丝光。

</p

b. 成品布要剥色后,再掸毛、丝光、套色。

</p

c. 成品后要做水洗的可不考虑毛毛头,水洗时可去掉或者减轻。

</p

2. How to deal with the curling phenomenon of elastic fabric</p

</p

a. 前处理用小缸做或者用冷堆。

</p

b. 长车做时,煮炼后要多加布夹,做1~2遍定型后,再做丝光、染色。

</p

3. Reasons for the reduction in finished product weight</p

</p

a. 碱的浓度过大和加工的温度过高造成纱线纤维的损伤。

</p

b. 成品门幅拉的过宽。

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c. 前处理拉伸过大造成纬密减少。

</p

4. How to deal with moldy gray cloth</p

</p

a. 霉点的颜色特别浅时,可做一些浅色,尽量不要做漂白。

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b. 根据霉点的深浅程度,做一些中深色,一般情况下,颜色越深越好。

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c. 当霉斑较重和影响坯布强力时,不能使用。

</p

五、染敏感色时,布面显现纱的条干不好造成的吸色不匀,要如何处理?

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可以考虑重新做一遍前处理,使纱线充分的膨松后,再染色。

</p

6. Things that should be paid attention to when blowing three silk threads on the sanded colored cloth</p

</p

a. 为防止把布面的毛感吹掉,用其他的布块遮挡在三丝的两边后再吹。

</p

b. 如果造成布面发亮或者毛感减弱时,可用细砂纸轻轻打磨布面,使之起毛。

</p

7. Color printing on the mid-weft yarn of gray fabric (ring spinning)</p

</p

a. 坯布厂为区别各生产班的纺纱质量,在每一落纬纱上都要用颜色做一个标记,颜色为比较鲜亮的红、蓝、绿、紫等等。此种颜色是可褪色的,不影响后加工。

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b. Test method:</p

</p

(1)用刚开的水倒在色印上,色印会自己消失。

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(2)印染前处理遇高温自己消失�

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Author: clsrich

 
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