Method for judging dyed stripes of polyamide fiber and polyurethane fiber intertexture
An interwoven and striped technology, applied in the field of judging the dyeing stripes of nylon and spandex interwoven fabrics, can solve the problems of nylon and/or spandex fiber quality, inability to effectively avoid liability, compensation for losses, etc.
Inactive Publication Date: 2014-09-03
QUANZHOU TIANYU CHEM FIBER WEAVING IND
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Problems solved by technology
[0002] On the high-end fabrics interwoven with nylon and spandex, we often receive complaints from customers that there are dyed stripes in the fabric. The reason for the dyed stripes is mainly due to the quality problems of nylon and / or spandex fibers. At present, there is no effective test method to judge whether the dyed stripes are What kind of fiber is caused by it? Therefore, the manufacturers that produce qualified fibers cannot effectively evade responsibility, resulting in compensation for losses
Method used
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Experimental program
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Embodiment Construction
[0014] A method for judging the dyeing stripes of nylon 6 and spandex interwoven fabric, comprising the steps of:
[0015] (1), prepare the hydrochloric acid solution that mass percent concentration is 16% on the first beaker;
[0016] (2), support the polyamide 6 and spandex interwoven fabric with dyed stripes flatly on the mouth of the second beaker, the tension should not be too large, just keep the surface of the fabric smooth;
[0017] (3), use a glass rod to dip one end of the hydrochloric acid solution, and gently and evenly smear it on the surface of the nylon 6 and spandex interwoven fabric, so that the nylon 6 fiber in the interwoven fabric is fully dissolved;
[0018] (4), wash the interlaced fabric with clear water, and dry;
[0019] (5) Observe whether the dyeing stripes on the interwoven fabric exist. If the dyeing stripes disappear, it means that the dyeing stripes are caused by nylon 6. If the dyed stripes still exist, it means that the dyed stripes are not ca...
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The invention discloses a method for judging dyed stripes of a polyamide fiber and polyurethane fiber intertexture. The method comprises the steps of dissolving away polyamide fibers in the polyamide fiber and polyurethane fiber intertexture with the dyed stripes by using hydrochloric acid, and then observing whether the dyed stripes of the intertexture exist or not, wherein if the dyed stripes disappear, the dyed stripes are caused by the polyamide fibers; if the dyed stripes still exist, the dyed stripes are not caused by the polyamide fibers. By adopting the method, the reason of producing the dyed stripes can be quickly and effectively judged, so that manufacturers producing qualified fibers can effectively evade responsibility to avoid economic loss.
Description
technical field [0001] The invention relates to a method for judging dyed stripes of nylon and spandex interwoven fabrics. Background technique [0002] On the high-end fabrics interwoven with nylon and spandex, we often receive complaints from customers that there are dyed stripes in the fabric. The reason for the dyed stripes is mainly due to the quality problems of nylon and / or spandex fibers. At present, there is no effective test method to judge whether the dyed stripes are What kind of fiber is caused by it, therefore, the manufacturers that produce qualified fibers cannot effectively evade responsibility, resulting in compensation for losses. Contents of the invention [0003] The object of the present invention is to provide a method for effectively judging the dyeing stripes of nylon and spandex interwoven fabrics in view of the deficiencies in the prior art. [0004] The purpose of the present invention is achieved through the following technical solutions: [...
Claims
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IPC IPC(8): D06P5/02D06P3/82G01N33/36
Inventor 赖秀珍王鹏郭燕兰宋建生
Owner QUANZHOU TIANYU CHEM FIBER WEAVING IND