CN109667061B - 超细纤维彩色基布及其制备方法 - Google Patents
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Abstract
本发明公开了一种超细纤维彩色基布及其制备方法,制备方法包括如下步骤:将尼龙6和聚乙烯为原料的海岛型短纤维经针刺形成的无纺布,浸渍在湿法浆料中,然后经过凝固和水洗,再在热甲苯中减量抽出聚乙烯,湿布不上油,直接染色,烘干,后整理,得到超细纤维彩色基布。与现有工艺相比,省去减量后上油、扩幅定型、柔软处理三道工序,流程短,节能,成本低。同时,染色过程中,采取进布湿布方式,可以有效解决进布慢、划伤问题,采取湿布不上油方式,解决了染不透问题,以及减少油剂排放造成的污水COD偏高问题。有效解决了现有染色过程中出现的进布慢、划伤、染不透问题,同时具有流程短,节能,成本低等优点。
Description
技术领域
本发明涉及超细纤维基布及其制备方法。
背景技术
随着人们对仿生学深入研究,替代真皮的材料——超纤皮在外观质感与真皮几乎没有明显区别,在内在三维结构上与真皮越来越接近,生产过程较真皮加工环保,耐用性及裁剪利用率均大大优于真皮。
超纤皮被应用于替代真皮领域,应用情景广阔。市场上需要同底同色超纤皮,因此超细纤维基布染色尤为重要,现有超细纤维基布染色加工方法主要有溢流染及轧染工艺,市场上对颜色要求高的基布大都是采用溢流染工艺,要求染透,色差小,色牢度高等。
目前,高档超细纤维基布溢流染,均是使用基布(BASE)进行染色,基布加工过程参考文献:曲建波:合成革工艺学[M].北京:化学工业出版社.2015.P18-P211中报道的加工技术。
在染色加工过程中,通常使用干布染色,经常会遇到以下几个问题:
1、厚型基布(厚度1.60mm以上)特别是硬手感进布慢,需要1小时以上,主要是因为基布硬,不易打成绳状穿过导布口,且容易跑偏,出现提布轮划伤印;
2、厚型基布上油扩幅定型后,需要经过柔软处理,才能将基布做软,但是油剂的使用不利于染料进入纤维内部上染,经常会出现染不透情况
基于此,本发明的目的在于提供了一种超细纤维彩色基布,及其制备方法,可以有效解决现有染色过程中出现的进布慢、划伤印、染不透问题,同时本方法与现有常规加工方法对比,具有流程短,节能,成本低等优点。
发明内容
本发明的目的在于提供一种超细纤维彩色基布及其制备方法,以克服现有技术存在的缺陷。
本发明所述的超细纤维彩色基布的制备方法,包括如下步骤:
将尼龙6和聚乙烯为原料的海岛型短纤维经针刺形成的无纺布,浸渍在湿法浆料中,然后经过凝固和水洗,再在热甲苯中减量抽出聚乙烯,湿布不上油,直接染色,烘干,后整理,得到超细纤维彩色基布;
所述的纺丝、无纺布针刺工艺,浸渍浆料配料、浸渍、凝固和水洗工艺,以及减量工艺均为本领域常规工艺,可参考文献:曲建波:合成革工艺学[M].北京:化学工业出版社.2015.P18-P211中报道的加工技术。
其中,所述的湿布不上油染色的工艺条件参数如下:
所述的湿布,基布带液率为60-100%,优选60-80%;
所述染色升温速率为0.5-1.5℃/min,优选0.7-1.2℃/min;
所述的染色温度为80-130℃,优选85-105℃;
所述的染色保温时间为30-120min,优选40-90min;
所述的染色降温速率为1-3℃/min;
所述的水洗温度为50-80℃;
所述的水洗遍数为1-4遍;
本发明的有益效果是:
与现有工艺相比,省去减量后上油、扩幅定型、柔软处理三道工序,流程短,节能,成本低。同时,染色过程中,采取进布湿布方式,可以有效解决进布慢、划伤问题,采取湿布不上油方式,解决了染不透问题,以及减少油剂排放造成的污水COD偏高问题。有效解决了现有染色过程中出现的进布慢、划伤、染不透问题,同时本方法与现有常规加工方法对比,具有流程短,节能,成本低等优点:
具体实施方式
下面结合具体实施方式对本发明作进一步详细描述,应理解,这些实施例仅用于说明本发明而不用于限制本发明的范围。
对比实施例1
将尼龙6和聚乙烯为原料的海岛型短纤维经针刺形成的无纺布浸渍在湿法浆料中,然后经过凝固和水洗,再在热甲苯中减量抽出聚乙烯,湿布上油,直接染色,烘干,后整理,得到超细纤维彩色基布;
所述的纺丝、无纺布针刺工艺,浸渍浆料配料、浸渍、凝固和水洗工艺,以及减量工艺均为本领域常规工艺,可参考文献:曲建波:合成革工艺学[M].北京:化学工业出版社.2015.P18-P211中报道的加工技术。
其中,所述的湿布上油工艺参数包括:
所述的上油方式为浸轧处理,优选三浸三轧;
所述的上油液为复配有机硅油剂,主要成分为氨基硅油、异构十醇聚氧乙烯醚、异构十三醇聚氧乙烯醚、二乙二醇单丁醚、水;
所述的上油液浓度为5%;
所述的上油后基布带液率为90%;
所述的扩幅定型温度为160℃;
所述的扩幅定型车速为4.5m/min;
所述的柔软处理为本领域常用的手搓揉皮工艺;
所述染色升温速率为0.7℃/min;
所述的染色温度为100℃;
所述的染色保温时间为100min;
所述的染色降温速率为3℃/min
所述的水洗温度为60℃
所述的水洗遍数为3遍
300米厚度为2.0mm基布进布时间为1小时20分钟
实施例1
将尼龙6和聚乙烯为原料的海岛型短纤维经针刺形成的无纺布浸渍在湿法浆料中,然后经过凝固和水洗,再在热甲苯中减量抽出聚乙烯,湿布不上油,直接染色,烘干,后整理,得到超细纤维彩色基布;
所述的纺丝、无纺布针刺工艺,浸渍浆料配料、浸渍、凝固和水洗工艺,以及减量工艺均为本领域常规工艺,可参考文献:曲建波:合成革工艺学[M].北京:化学工业出版社.2015.P18-P211中报道的加工技术。
其中,所述的湿布不上油染色参数包括:
所述的湿布,基布带液率为60%;
其中,所述的染色工艺参数包括:
所述染色升温速率为0.5℃/min;
所述的染色温度为80℃;
所述的染色保温时间为120min;
所述的染色降温速率为1℃/min;
所述的水洗温度为50℃;
所述的水洗遍数为4遍。
实施例2
将尼龙6和聚乙烯为原料的海岛型短纤维经针刺形成的无纺布浸渍在湿法浆料中,然后经过凝固和水洗,再在热甲苯中减量抽出聚乙烯,湿布不上油,直接染色,烘干,后整理,得到超细纤维彩色基布;
所述的纺丝、无纺布针刺工艺,浸渍浆料配料、浸渍、凝固和水洗工艺,以及减量工艺均为本领域常规工艺,可参考文献:曲建波:合成革工艺学[M].北京:化学工业出版社.2015.P18-P211中报道的加工技术。
其中,所述的湿布不上油染色参数包括:
所述的湿布,基布带液率为100%;
其中,所述的染色工艺参数包括:
所述染色升温速率为1.5℃/min;
所述的染色温度为130℃;
所述的染色保温时间为30min;
所述的染色降温速率为3℃/min;
所述的水洗温度为80℃;
所述的水洗遍数为1遍。
实施例3
将尼龙6和聚乙烯为原料的海岛型短纤维经针刺形成的无纺布浸渍在湿法浆料中,然后经过凝固和水洗,再在热甲苯中减量抽出聚乙烯,湿布不上油,直接染色,烘干,后整理,得到超细纤维彩色基布;
所述的纺丝、无纺布针刺工艺,浸渍浆料配料、浸渍、凝固和水洗工艺,以及减量工艺均为本领域常规工艺,可参考文献:曲建波:合成革工艺学[M].北京:化学工业出版社.2015.P18-P211中报道的加工技术。
其中,所述的湿布不上油染色参数包括:
所述的湿布,基布带液率为70%;
其中,所述的染色工艺参数包括:
所述染色升温速率为0.7℃/min;
所述的染色温度为105℃;
所述的染色保温时间为90min;
所述的染色降温速率为1.5℃/min;
所述的水洗温度为60℃;
所述的水洗遍数为3遍。
与对比实施例相比,300米厚度为2.0mm基布进布时间为30min,时间缩短50min;由于未使用油剂,成本降低0.50元/米;由于省去扩幅定型及柔软处理,成本降低0.65元/米,合计成本降低1.15元/米
因此,与现有常规加工方法对比,本发明提供的方法具有流程短,节能,成本低等优点。
Claims (8)
1.超细纤维彩色基布的制备方法,其特征在于,包括如下步骤:将尼龙6和聚乙烯为原料的海岛型短纤维经针刺形成的无纺布,浸渍在湿法浆料中,然后经过凝固和水洗,再在热甲苯中减量抽出聚乙烯,湿布不上油,直接染色,烘干,后整理,得到超细纤维彩色基布;
所述的湿布不上油染色的工艺条件参数如下:所述的湿布,基布带液率为60-100%;
所述超细纤维彩色基布的制备方法中在直接染色前不包括减量后上油、扩幅定型、柔软处理三道工序。
2.根据权利要求1所述的方法,其特征在于,所述染色升温速率为0.5-1.5℃/min。
3.根据权利要求1所述的方法,其特征在于,所述的染色温度为80-130℃。
4.根据权利要求1所述的方法,其特征在于,所述的染色保温时间为30-120min。
5.根据权利要求1所述的方法,其特征在于,所述的染色降温速率为1-3℃/min。
6.根据权利要求1所述的方法,其特征在于,所述的水洗温度为50-80℃。
7.根据权利要求1所述的方法,其特征在于,所述的水洗遍数为1-4遍。
8.根据权利要求1~7任一项所述方法制备的超细纤维彩色基布。
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