CN111809386A - 一种棉面料及其碱缩冷堆工艺 - Google Patents
一种棉面料及其碱缩冷堆工艺 Download PDFInfo
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Abstract
本发明涉及一种棉面料及其碱缩冷堆工艺。所述工艺包括如下步骤:将单匹装胚布进行松布并缝头,然后再开幅处理,得开幅面料;将开幅面料进行半漂、脱水和烘干,得烘干面料;将烘干面料浸泡于液碱中冷轧,完毕后卷装,得冷轧面料;将冷轧面料进行冷堆,然后依次中和、染色、开幅、烘干和定型,得定型面料;将定型面料进行成品检验,最后包装即可。所述工艺不仅能够达到原需要用强碱丝光及液氨处理才能得到的布面效果,而且还能从大的机器设备上转移至小的冷堆轧浆机上,另外得到的棉面料光泽度佳、抗起毛起球及抗皱性优异。
Description
技术领域
本发明属于纺织领域,具体涉及一种棉面料及其碱缩冷堆工艺。
背景技术
为解决棉及棉混纺产品布面光泽度不佳、起毛起球和折皱等问题,现在基本是通过强碱丝光及液氨处理,这就需要昂贵的设备投入及面对生产过程中大量的残液处理问题,生产成本高昂。
其中强碱丝光工艺可使面料光泽度优异且抗皱性能佳,但蓬松度较差;而液氨处理技术虽蓬松度优异,但光泽度及抗皱性能差。
现在仍缺乏可以将两者优势进行统一整合的技术。
发明内容
为了解决现有技术存在的问题,本发明提供了一种棉面料及其碱缩冷堆工艺。所述工艺不仅能够将原强碱丝光及液氨处理从大的机器设备上转移至小的冷堆轧浆机上,而且得到的棉面料光泽度佳、抗起毛起球及抗皱性优异。
本发明的方案是,提供一种棉面料的碱缩冷堆工艺,其特征在于,包括如下步骤:
(1)将单匹装胚布进行松布并缝头,然后再开幅处理,得开幅面料;
(2)将步骤(1)所得开幅面料进行半漂、脱水和烘干,得烘干面料;
(3)将步骤(2)所得烘干面料浸泡于液碱中冷轧,完毕后卷装,得冷轧面料;
(4)将步骤(3)所得冷轧面料进行冷堆,然后依次染色、开幅、烘干和定型,得定型面料;
(5)将步骤(4)所得定型面料进行成品检验,最后包装即可。
步骤(1)中所用的胚布是直接来源于织厂且是单匹布,为了生产的连续性,则需要将匹装的布松布并缝头,为后续生产做准备。
当棉面料经混纺后(如棉混纺氨纶或涤纶)具备弹性时,为了稳定其尺寸规格及面料平整度,则需要在170~190℃条件下进行胚定处理,胚定温度可根据面料的实际情况在上述范围内调整。完成后再半漂、脱水和烘干,能够使面料吸碱更加均匀,弹性光泽和匀染性更强,烘干采用鼓风烘干的方式,温度设定为100~180℃,以此方式并在此温度下,能够较快烘干面料且不会对其造成负面影响,烘干温度可根据选用机台的不同及品种的差异在上述范围内调整。但如果面料是涤棉或锦棉交织结构,因涤纶、锦纶烧毛容易产生烧毛条,故会在后续步骤中优先选择安全性更高的食毛工艺。
紧接着,根据棉织物面料品种的不同还可选择烧毛工艺,当棉织物为全棉时,为使布面光洁少毛,需进行烧毛处理,该工艺中,采用天然气压力为2~4kg,车速以毛羽光洁为准,根据面料种类和自身克重的不同,速率调节为60~100m/min(以佛山德博仕机械设备有限公司生产的DBS-SM-2200型针织烧毛机为例),布面需要光洁度高的可以选择慢机,反之选择快机。
根据不同光泽及手感需要,在冷轧工艺中,液碱浓度为3~36波美度,光泽要求越高,液碱浓度则越高:全棉,涤棉面料可以选择最高36波美度溶液,锦棉面料考虑到液碱对锦纶的破坏度,安全液碱限高为20波美度。如果水质不佳(河水等杂质较多)的情况下可以加入1~2g/L的螯合剂,如果纱线白度不佳,也可添加2-10g/L的双氧水以增加胚布白度,需要强调的是液碱温度处于15~25℃为最佳,提高液碱温度则会降低棉纤维的溶胀率。经发明人反复验证,在冷轧工艺中,机尾出布张力最好恒定,原因在于在A字架上打卷不同的张力会对布面光泽产生影响,故相同产品要做相同光泽,质量要稳定,除去碱液浓度要一致,速度要一致,温度要一致,轧辊压力要一致,机尾出布的张力也要一致。
冷轧后卷装,需要用可连续转动A字架,并根据光泽及手感要求,冷堆时间处于6~48h,也可选择用布车堆放,时间同上。
在中和和染色工艺间,还有食毛工艺,其中食毛剂为酸性食毛剂或中性食毛剂,酸性食毛剂食毛效果较中性食毛剂优,但中性食毛剂在节省工艺时间及安全性上会更佳,本发明优选广东德美精细化工集团股份有限公司所生产的中性食毛剂,用量按染液配0.2~0.5g/L,在确定具体食毛剂的用量前,需要进行打样,以不同品种布面毛羽干净为准。食毛过度会造成布的强力降低,故食毛剂的用量上还要优先考虑布的强力,在强力与毛面干净上配合选择用量。
在步骤(4)所述定型和步骤(5)所述成品检验之间还包括预缩(罐蒸)工艺,蒸汽压力为3~6kg,毛毯压力为2~4kg,速度15~35m/min,蒸汽压力,毛毯压力的大小以光泽度来评估,光泽要求越高,压力越大,同时速度越慢。
基于相同的技术构思,本发明还提供一种由上述碱缩冷堆工艺制备得到的棉面料。
本发明的有益效果为:
1、本发明所述棉面料的碱缩冷堆工艺,只需要将棉面料织物先经轧水、过浆液碱冷轧、以及冷堆处理,且染色只需要在染缸中正常中和染色就可以达到强碱丝光机生产的光泽以及在液氨处理机上生产的手感,并能赋予织物很好的抗起毛起球及抗皱性能。
2、本发明所述棉面料的碱缩冷堆工艺,能够将原强碱丝光及液氨处理从大的机器设备上转移至小的冷堆轧浆机上,节省大量设备投入及生产过程中的高能耗,从而减少大量残液排放。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚,下面将对本发明的技术方案进行详细的描述。显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动的前提下所得到的所有其它实施方式,都属于本发明所保护的范围。
实施例1
本实施例提供一种全棉双面面料的碱缩冷堆工艺,包括如下步骤:
(1)将来源于织厂单匹装胚布进行松布并缝头,以便连续进行生产,然后再开幅处理,得开幅面料;
(2)将步骤(1)所得开幅面料依次进行半漂和脱水,再于100℃条件下以鼓风方式进行烘干,既能较快烘干面料,又不会因温度过高对面料造成负面影响,完成后得烘干面料;
(3)将步骤(2)所得烘干面料进行烧毛处理,采用佛山德博仕机械设备有限公司生产的DBS-SM-2200型针织烧毛机,天然气压力为2kg,速率为60m/min,完毕后浸泡于15℃、3波美度的液碱中冷轧,再加入1g/L的螯合剂和2g/L的双氧水以增加白度,完毕后机尾出布时张力确保恒定,完成后卷装,得冷轧面料;
(4)将步骤(3)所得冷轧面料进行冷堆6h,然后依次中和、染色、开幅、烘干和定型,得定型面料;
(5)将步骤(4)所得定型面料进行预缩,蒸汽压力为3kg,毛毯压力为2kg,速度为15m/min,完毕后进行成品检验,最后包装即可。
实施例2
本实施例提供一种涤棉双面面料的碱缩冷堆工艺,包括如下步骤:
(1)将来源于织厂单匹装胚布进行松布并缝头,以便连续进行生产,然后再开幅处理,得开幅面料;
(2)将步骤(1)所得开幅面料先在170℃条件下进行胚定处理,然后再依次进行半漂和脱水,再于180℃条件下以鼓风方式进行烘干,既能较快烘干面料,又不会因温度过高对面料造成负面影响,完成后得烘干面料;
(3)将步骤(2)所得烘干面料浸泡于25℃、36波美度的液碱中冷轧,再加入2g/L的螯合剂和10g/L的双氧水以增加白度,完毕后机尾出布时张力确保恒定,完成后卷装,得冷轧面料;
(4)将步骤(3)所得冷轧面料进行冷堆48h后中和,然后选用0.2g/L的中性食毛剂进行食毛操作,以洁净布面,再依次染色、开幅、烘干和定型,得定型面料;
(5)将步骤(4)所得定型面料进行预缩,蒸汽压力为6kg,毛毯压力为4kg,速度为35m/min,完毕后进行成品检验,最后包装即可。
实施例3
本实施例提供一种锦棉双面面料的碱缩冷堆工艺,包括如下步骤:
(1)将来源于织厂单匹装胚布进行松布并缝头,以便连续进行生产,然后再开幅处理,得开幅面料;
(2)将步骤(1)所得开幅面料先在190℃条件下进行胚定处理,然后再依次进行半漂和脱水,再于140℃条件下以鼓风方式进行烘干,既能较快烘干面料,又不会因温度过高对面料造成负面影响,完成后得烘干面料;
(3)将步骤(2)所得烘干面料浸泡于20℃、20美度的液碱中冷轧,再加入1.5g/L的螯合剂和6g/L的双氧水以增加白度,完毕后机尾出布时张力确保恒定,完成后卷装,得冷轧面料;
(4)将步骤(3)所得冷轧面料进行冷堆27h后中和,然后选用0.5g/L的中性食毛剂进行食毛操作,以洁净布面,再依次染色、开幅、烘干和定型,得定型面料;
(5)将步骤(4)所得定型面料进行预缩,蒸汽压力为4.5kg,毛毯压力为3kg,速度为25m/min,完毕后进行成品检验,最后包装即可。
为了表明实施例1~3分别所得全棉双面面料、涤棉双面面料和锦棉双面面料的抗起毛起球性能以及抗皱性能,结合现有工艺制备得到的面料,进行相关测试,结果如表1所示。
表1检测结果
结果与结论:
由表1可明显看出,通过本发明制备得到的全棉双面面料、涤棉双面面料和锦棉双面面料,其抗起毛起球性能和抗皱性能明显优于常规方法。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应以所述权利要求的保护范围为准。
Claims (10)
1.一种棉面料的碱缩冷堆工艺,其特征在于,包括如下步骤:
(1)将单匹装胚布进行松布并缝头,然后再开幅处理,得开幅面料;
(2)将步骤(1)所得开幅面料进行半漂、脱水和烘干,得烘干面料;
(3)将步骤(2)所得烘干面料浸泡于液碱中冷轧,完毕后卷装,得冷轧面料;
(4)将步骤(3)所得冷轧面料进行冷堆,然后依次中和、染色、开幅、烘干和定型,得定型面料;
(5)将步骤(4)所得定型面料进行成品检验,最后包装即可。
2.根据权利要求1所述棉面料的碱缩冷堆工艺,其特征在于,在步骤(1)和步骤(2)之间还有胚定工艺,即在170~190℃对所述开幅面料进行处理,以稳定规格和布面平整度。
3.根据权利要求1所述棉面料的碱缩冷堆工艺,其特征在于,步骤(2)中,所述烘干采用鼓风烘干,温度为100~180℃。
4.根据权利要求1所述棉面料的碱缩冷堆工艺,其特征在于,在步骤(2)和步骤(3)之间还有烧毛工艺,烧毛采用天然气压力为2~4kg,速率为60~100m/min。
5.根据权利要求1所述棉面料的碱缩冷堆工艺,其特征在于,步骤(3)中,冷轧过程中还加入螯合剂和双氧水。
6.根据权利要求5所述棉面料的碱缩冷堆工艺,其特征在于,所述螯合剂的浓度为1~2g/L;所述双氧水的浓度为2~10g/L。
7.根据权利要求1所述棉面料的碱缩冷堆工艺,其特征在于,步骤(3)中,所述液碱的浓度为3~36波美度,液碱的温度为15~25℃。
8.根据权利要求1所述棉面料的碱缩冷堆工艺,其特征在于,在步骤(4)和步骤(5)之间还包括预缩工艺,预缩采用的蒸汽压力为3~6kg,毛毯压力为2~4kg,速度为15~35m/min。
9.根据权利要求1所述棉面料的碱缩冷堆工艺,其特征在于,步骤(4)中,所述冷堆的时间为6~48h。
10.权利要求1~9任一所述碱缩冷堆工艺制备得到的棉面料。
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