CN111607989A - 一种潮湿状态纺织品数码印花的方法 - Google Patents

一种潮湿状态纺织品数码印花的方法 Download PDF

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CN111607989A
CN111607989A CN202010463186.XA CN202010463186A CN111607989A CN 111607989 A CN111607989 A CN 111607989A CN 202010463186 A CN202010463186 A CN 202010463186A CN 111607989 A CN111607989 A CN 111607989A
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pretreatment
textile
wet state
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孙付运
房宽峻
侯长华
沈允涛
李田田
钱翠香
齐乐乐
刘曰兴
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Shandong Huanghe Delta Institute Of Textile Sicnece And Technology Co ltd
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Abstract

本发明属于纺织品数码印花技术领域,尤其涉及一种潮湿状态纺织品数码印花的方法,包括以下工艺步骤:预处理工作液的制备;刮浆处理,将预处理工作液均匀刮浆在干燥纺织品上;印花处理,将刮浆处理后的潮湿纺织品不进行烘干操作,直接进行数码打印,烘干,蒸化,水洗即可。本发明可解决现有技术中使用拉幅定型机进行预处理造成的纬斜、泛黄、预处理液和能源浪费等问题,并且使用该方法的数码印花产品颜色饱满、鲜艳。

Description

一种潮湿状态纺织品数码印花的方法
技术领域
本发明属于纺织品数码印花技术领域,尤其涉及一种潮湿状态纺织品数码印花的方法。
背景技术
近年来,为适应印花订单小批量化、品种多样化、快速交货的市场需求,数码印花技术得到快速发展。为获得较好的印花效果,纺织品的数码印花在打印前需要对纺织品进行预处理,否则会出现印花得色差、精细度差、颜色不鲜艳等缺点。
现有技术中,常用的预处理方式是使用拉幅定型机进行浸轧处理液,烘干打卷,该种预处理方式易造成坯布纬斜、泛黄等问题;另外,数码印花为单面印花,只需单面上浆均匀即可,而该方式是对坯布全部浸轧预处理液进行预处理,造成预处理液及能源严重浪费。
因此,提供一种纺织品在预处理后,不进行烘干,直接在潮湿状态下进行数码打印的方法变得尤为重要。
发明内容
为解决上述现有技术中存在的问题,本发明提供一种潮湿状态纺织品数码印花的方法,本发明可解决现有技术中预处理方式造成的坯布纬斜、易泛黄以及预处理液和能源浪费严重等问题,并且使用该方法的数码印花产品颜色饱满、鲜艳。
为实现上述目的,本发明采用如下技术方案:
一种潮湿状态纺织品数码印花的方法,包括以下工艺步骤:
(1)预处理工作液的制备;
(2)刮浆处理:将预处理工作液均匀刮浆在干燥纺织品上;
(3)印花处理:将步骤2所得刮浆处理后的潮湿纺织品不进行烘干操作,直接进行数码打印,烘干,蒸化,水洗即可。
与现有技术中常用的拉幅定型机浸轧处理液的方法相比,本发明采用刮浆处理方法,可有效避免出现坯布纬斜、泛黄等问题,另外,本发明只进行单面刮浆处理,与现有技术中对坯布全部浸轧预处理液进行预处理的方法相比,可有效节约预处理液,避免能源浪费,大大降低生产成本。其次,本发明所述方法中,纺织品在预处理后,不进行烘干处理,直接在潮湿状态下进行数码打印。与现有技术中的方法相比,减少了浸轧处理液后进行烘干打卷这一工艺步骤,一方面,可以有效避免烘干处理造成的坯布泛黄等问题,另一方面大大节约了生产成本。
作为优选,所述预处理工作液包括以下重量份的组分:增稠剂1-5份、小苏打1-4份、尿素5-20份、防染盐S 0.5-2份、偏硅酸钠0.1-1份,余量为水。所述增稠剂、小苏打、尿素等用量需要根据纺织品种类进行调节,例如纺织品的种类为棉、涤纶、天丝等类型组成的纯纺或混纺织物。本发明所配置的预处理工作液,对纺织品具有较好的固色效果,使生产的数码印花产品颜色饱满、鲜艳,产品色牢度好。
作为优选,所述增稠剂为海藻酸钠、海藻酸酯、甲基纤维素、羧甲基纤维素、羟乙基纤维素、羟丙基纤维素、甲基羟乙基纤维素、淀粉、改性淀粉、聚丙烯酸酯、聚丙烯酰胺中的一种或多种。
作为优选,所述预处理工作液的粘度为500-10000mPa·s,pH为8-10。
作为优选,所述预处理工作液的制备步骤包括:
(1)将尿素、小苏打、防染盐S、偏硅酸钠加入到水中搅拌溶解,得到均匀的混合溶液;
(2)继续搅拌上述混合溶液,并缓慢加入增稠剂,继续搅拌0.5-2h,静置1h-3h,即可获得所述预处理工作液。
作为优选,刮浆处理的具体工艺为:使用目数为80-100目网板将预处理工作液对干燥纺织品进行刮浆处理,刮浆压力1mV-5mV,刮浆车速10-50mm/s,将预处理液均匀传送至网板处,将预处理液均匀刮浆在纺织品上。
作为优选,所述预处理液均匀刮浆在纺织品正面上。数码印花为单面印花,只需单面上浆均匀即可,本发明只进行单面刮浆处理,与现有技术中对坯布全部浸轧预处理液进行预处理的方法相比,可有效节约预处理液,避免能源浪费,大大降低生产成本。
作为优选,刮浆处理后纺织品带液率为30%-50%。
有益效果
本发明公开了一种潮湿状态纺织品数码印花的方法,本发明所述方法,首先将纺织品用本发明特配的预处理液进行单面刮浆处理,与现有技术中常用的拉幅定型机浸轧处理液的方法相比,本发明采用刮浆处理方法可有效避免拉幅定型机造成的坯布纬斜、泛黄等问题,另外,本发明只进行单面刮浆处理,与现有技术中对坯布全部浸轧预处理液进行预处理的方法相比,可有效节约预处理液,避免能源浪费,大大降低生产成本。
其次,本发明所述方法中,纺织品在预处理后,不进行烘干处理,直接在潮湿状态下进行数码打印。与现有技术中的方法相比,减少了浸轧处理液后进行烘干打卷这一工艺步骤,一方面,可以有效避免烘干处理造成的坯布泛黄等问题,另一方面大大节约了生产成本,而且,使用该方法的数码印花产品颜色饱满、鲜艳。
综上所述,本发明所述的一种潮湿状态纺织品数码印花的方法,可解决现有技术中预处理方式造成的坯布纬斜、易泛黄以及预处理液和能源浪费严重等问题,本发明可有效节约预处理液,避免能源浪费,大大降低生产成本,并且使用该方法的数码印花产品颜色饱满、鲜艳。因此,本发明具有突出的实质性特点和显著的进步。
具体实施方式
以下,将详细地描述本发明。在进行描述之前,应当理解的是,在本说明书和所附的权利要求书中使用的术语不应解释为限制于一般含义和字典含义,而应当在允许发明人适当定义术语以进行最佳解释的原则的基础上,根据与本发明的技术方面相应的含义和概念进行解释。因此,这里提出的描述仅仅是出于举例说明目的的优选实例,并非意图限制本发明的范围,从而应当理解的是,在不偏离本发明的精神和范围的情况下,可以由其获得其他等价方式或改进方式。
以下实施例仅是作为本发明的实施方案的例子列举,并不对本发明构成任何限制,本领域技术人员可以理解在不偏离本发明的实质和构思的范围内的修改均落入本发明的保护范围。除非特别说明,以下实施例中使用的试剂和仪器均为市售可得产品。
织物颜色指标测试参照《颜色科学与计算机测色配色实用技术》薛朝华北京:化学T业出版社,2004,62-63。
织物的耐摩擦色牢度参照GB/T 3920-1997-纺织品色牢度试验耐摩擦色牢度》测定。耐洗色牢度参照GB/T 3921.1-1997《纺织品色牢度试验耐洗色牢度:试验1》。
实施例1
(1)预处理液的准备:首先将2%的小苏打、10%的尿素、1%的防染盐S、0.3%的偏硅酸钠加入到水中搅拌溶解,得到均匀的混合溶液;继续搅拌上述混合溶液,并缓慢加入3%的海藻酸钠,继续搅拌1.5h,静置2h,即可获得预处理工作液。所述预处理工作液的粘度为6000mPa·s,pH为9。
(2)刮浆处理:使用目数为100目网板将预处理工作液对干燥纺织品进行刮浆处理,刮浆压力5mV,刮浆车速20mm/s,将预处理液均匀传送至网板处,将预处理液均匀刮浆在纺织品上,纺织品带液率为40.5%;
(3)将预处理后潮湿纺织品直接进行数码打印,烘干,蒸化,水洗即可。
使用Datacolor 650测色仪测试表征本发明实施例1和常规预处理织物颜色指标,并测试其摩擦和耐水洗牢度,实施例1处理后织物颜色和牢度指标见表1和表2。
从表1可以看出,采用本发明实施例1与常规预处理织物颜色指标相比,青色、品红、黄色、黑色亮度值L*、色彩饱和度C*值等基本一致,完全能够达到常规处理后织物的颜色指标。
表1.本发明实施例1与常规预处理织物颜色指标
Figure BDA0002511637230000041
Figure BDA0002511637230000051
表2是本发明实施例1与常规预处理织物耐水洗和耐摩擦牢度指标,可以看出,本发明实施例1与常规预处理织物的耐水洗和耐摩擦牢度一致,符合产品色牢度要求。
表2.本发明实施例1与常规预处理织物耐水洗和耐摩擦牢度指标
Figure BDA0002511637230000052
实施例2
(1)预处理液的准备:首先将2.5%的小苏打、15%的尿素、1.5%的防染盐S、0.5%的偏硅酸钠加入到水中搅拌溶解,得到均匀的混合溶液;继续搅拌上述混合溶液,并缓慢加入2%的甲基羟乙基纤维素,继续搅拌0.5h,静置2h,即可获得预处理工作液。所述预处理工作液的粘度为500mPa·s,pH为8。
(2)刮浆处理:使用目数为80目网板将预处理工作液对干燥纺织品进行刮浆处理,刮浆压力5mV,刮浆车速22mm/s,将预处理液均匀传送至网板处,将预处理液均匀刮浆在纺织品上,纺织品带液率为35.5%;
(3)将预处理后潮湿纺织品直接进行数码打印,烘干,蒸化,水洗即可,并与常规预处理织物进行打印对比。
使用Datacolor 650测色仪测试表征本发明与常规预处理织物颜色指标,并测试其摩擦和耐水洗牢度,实施例2处理后织物颜色和牢度指标见表3和表4。
本发明实施例2与常规预处理织物颜色指标见表3,可以看出,本发明实施例2预处理织物宝蓝色亮度值L*为41.7,橙色的为58.5,常规预处理织物宝蓝色亮度值L*为40.0,橙色的为59.7,颜色深度差距不大;色彩饱和度C*值基本一致。
表3.本发明实施例2与常规预处理织物颜色指标
Figure BDA0002511637230000061
表4是本发明实施例2与常规预处理织物耐水洗和耐摩擦牢度指标,可以看出,本发明预处理织物宝蓝色和橙色的耐水洗和耐摩擦牢度基本一致。
表4.本发明实施例2与常规预处理织物耐水洗和耐摩擦牢度指标
Figure BDA0002511637230000062
实施例3
(1)预处理液的准备:首先将4%的小苏打、20%的尿素、2%的防染盐S、1%的偏硅酸钠加入到水中搅拌溶解,得到均匀的混合溶液;继续搅拌上述混合溶液,并缓慢加入5%的改性淀粉,继续搅拌0.5h,静置2h,即可获得预处理工作液。所述预处理工作液的粘度为10000mPa·s,pH为10。
(2)刮浆处理:使用目数为90目网板将预处理工作液对干燥纺织品进行刮浆处理,刮浆压力1mV,刮浆车速50mm/s,将预处理液均匀传送至网板处,将预处理液均匀刮浆在纺织品上,纺织品带液率为30%;
(3)将预处理后潮湿纺织品直接进行数码打印,烘干,蒸化,水洗即可。
使用Datacolor 650测色仪测试表征本发明和常规预处理织物颜色指标,并测试其摩擦和耐水洗牢度,实施例3处理后织物颜色和牢度指标见表5和表6。
从表5可以看出,采用本发明实施例3与常规预处理织物颜色指标相比,青色、品红、黄色、黑色亮度值L*、色彩饱和度C*值等基本一致,完全能够达到常规处理后织物的颜色指标。
表5.本发明实施例3与常规预处理织物颜色指标
Figure BDA0002511637230000071
表6是本发明实施例3与常规预处理织物耐水洗和耐摩擦牢度指标,可以看出,本发明与常规预处理织物的耐水洗和耐摩擦牢度一致,符合产品色牢度要求。
表6.本发明实施例3与常规预处理织物耐水洗和耐摩擦牢度指标
Figure BDA0002511637230000072
以上实施例仅用以说明本发明的技术方案,而非对其进行限制;尽管参照前述实施例对本发明进行了详细的说明,对于本领域的普通技术人员来说,依然可以对前述实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换;而这些修改或替换,并不使相应技术方案的本质脱离本发明所要求保护的技术方案的精神和范围。

Claims (8)

1.一种潮湿状态纺织品数码印花的方法,其特征在于,包括以下工艺步骤:
(1)预处理工作液的制备;
(2)刮浆处理:将预处理工作液均匀刮浆在干燥纺织品上;
(3)印花处理:将步骤2所得刮浆处理后的潮湿纺织品不进行烘干操作,直接进行数码打印,烘干,蒸化,水洗即可。
2.根据权利要求1所述的潮湿状态纺织品数码印花的方法,其特征在于,所述预处理工作液包括以下重量份的组分:增稠剂1-5份、小苏打1-4份、尿素5-20份、防染盐S 0.5-2份、偏硅酸钠0.1-1份,余量为水。
3.根据权利要求2所述的潮湿状态纺织品数码印花的方法,其特征在于,所述增稠剂为海藻酸钠、海藻酸酯、甲基纤维素、羧甲基纤维素、羟乙基纤维素、羟丙基纤维素、甲基羟乙基纤维素、淀粉、改性淀粉、聚丙烯酸酯、聚丙烯酰胺中的一种或多种。
4.根据权利要求2所述的潮湿状态纺织品数码印花的方法,其特征在于,所述预处理工作液的粘度为500-10000mPa·s,pH为8-10。
5.根据权利要求2所述的潮湿状态纺织品数码印花的方法,其特征在于,所述预处理工作液的制备步骤包括:
(1)将尿素、小苏打、防染盐S、偏硅酸钠加入到水中搅拌溶解,得到均匀的混合溶液;
(2)继续搅拌上述混合溶液,并缓慢加入增稠剂,继续搅拌0.5-2h,静置1h-3h,即可获得所述预处理工作液。
6.述根据权利要求1所述的潮湿状态纺织品数码印花的方法,其特征在于,刮浆处理的具体工艺为:使用目数为80-100目网板将预处理工作液对干燥纺织品进行刮浆处理,刮浆压力1mV-5mV,刮浆车速10-50mm/s,将预处理液均匀传送至网板处,将预处理液均匀刮浆在纺织品上。
7.根据权利要求6所述的潮湿状态纺织品数码印花的方法,其特征在于,所述预处理液均匀刮浆在纺织品正面上。
8.根据权利要求6所述的潮湿状态纺织品数码印花的方法,其特征在于,刮浆处理后纺织品带液率为30%-50%。
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