CN106702785A - 一种高效节能的染色工艺 - Google Patents
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Abstract
本发明公开了一种高效节能的染色工艺,所述工艺包括如下步骤:(1)前处理;(2)染色;(3)堆置;(4)水洗;(5)整纬、拉幅、预缩。本发明染色工艺具有染色过程短,节省工序的特点,还改善前后色差、边中差,大大提高了面料水洗效果(深色系列比较明显)。
Description
技术领域
本发明涉及印染技术领域,尤其是涉及一种通过节省工序的方式降低能耗的染色工艺。
背景技术
传统染色方法中的轧染工艺为在70~90℃条件下化料、过滤后转入不锈钢大桶,之后进行进布→轧料→预烘→预烘→烘筒→中车→轧固色→汽蒸→冷水洗→冷水洗→皂洗→皂洗→冷水洗→烘筒→出布,上述工艺含有4道冷水,4道热水再烘干,其工艺流程长,能耗大,染料只吸附在面料表面,在预烘、汽蒸过程中容易产生边中差前后色差水电汽浪费大。
一般染色过程中,特别是活性染色,对于前处理布面毛效渗透,丝光碱浓度要求都比较高,在轧染染色过程车速、温度、湿度对活性染色都会生产很多不稳定因素,如前后色差、边中差,布面急烘一系列问题。
发明内容
针对现有技术存在的上述问题,本申请人提供了一种高效节能的染色工艺。本发明染色工艺染色过程短,采用冷轧堆的简单工艺不仅节省了工序,还改善前后色差、边中差,大大提高了水洗效果(深色系列比较明显)。
本发明的技术方案如下:
一种高效节能的染色工艺,所述工艺包括如下步骤:
(1)前处理,对面料进行烧毛、定型处理;
(2)染色,将面料置于冷轧堆染设备上进行进布→轧料→打卷处理;
(3)堆置,将步骤(2)染色好的面料置于温度为30~45℃,湿度为20~35%的厂棚中堆置8~10h;
(4)水洗,将经过步骤(3)处理的面料置于2个冷水洗,3个热水洗后烘干,即经过常温冷水洗→常温冷水洗→95±2℃热水洗→95±2℃热水洗→95±2℃热水洗→烘干;
(5)整纬、拉幅、预缩。
所述步骤(2)中染色所用染料包括:汽巴G黑45~60g/L,汽巴S-4R橙2~4g/L,汽巴S-D红2~5g/L,螯合分散剂0.5g/L;
所述步骤(2)中染色所用助剂浓碱;
采用比例泵将染料与助剂按照4:1的体积比,自动打入冷轧堆染设备上的染色槽中。
所述步骤(1)中面料经过预处理,预处理的方法为:
(1)将面料置于含有30~70g/L烧碱,5~10g/L精炼渗透剂,5~10g/L螯合分散剂的溶液中,100±2℃的条件下堆置60~90min,后烘干至面料湿度为50%;
(2)将经过步骤(1)处理的面料置于含有4~8g/L双氧水的溶液中,在100±2℃的条件下堆置60~90min,出布、烘干;
(3)将经过步骤(2)处理的面料经过170~220℃的烧碱进行丝光处理。
所述步骤(2)中浓碱,需将原360g/L稀释为60g/L的淡碱。
本发明有益的技术效果在于:
本发明染色工艺染色过程短,采用冷轧堆的简单工艺不仅节省了工序,还改善前后色差、边中差,大大提高了水洗效果(深色系列比较明显)。
本发明工艺过程中水洗步骤相对较少,避免了产生大量的印染废水,减少了污废水的排放、具有节能减排的特点。
具体实施方式
下面结合实施例,对本发明进行具体描述。
实施例1 4.0×4.0/133×72
一种高效节能的染色工艺,所述工艺包括如下步骤:
(1)前处理,对面料进行烧毛→退浆→氧漂→丝光处理;
(2)染色,将面料置于冷轧堆染设备上进行进布→轧料→打卷处理;
(3)堆置,将步骤(2)染色好的面料置于温度为45℃,湿度为30%的厂棚中堆置8~10h;
(4)水洗,将经过步骤(3)处理的面料置于2个冷水洗,3个热水洗后烘干,即经过常温冷水洗→常温冷水洗→95±2℃热水洗→95±2℃热水洗→95±2℃热水洗→烘干;
(5)整纬、拉幅、预缩。
所述步骤(2)中染色所用染料包括:汽巴G黑45g/L,汽巴S-4R橙4g/L,汽巴S-D红5g/L,螯合分散剂0.5g/L;
所述步骤(2)中染色所用助剂浓碱,需将原360g/L稀释为60g/L的淡碱;
采用比例泵将染料与助剂按照4:1的体积比,自动打入冷轧堆染设备上的染色槽中。
所述步骤(1)中面料经过预处理,预处理的方法为:
(1)将面料置于含有50g/L烧碱,5g/L精炼渗透剂,10g/L螯合分散剂的溶液中,100±2℃的条件下堆置80min,后烘干至面料湿度为50%;
(2)将经过步骤(1)处理的面料置于含有8g/L双氧水的溶液中,在100±2℃的条件下堆置60min,出布、烘干;
(3)将经过步骤(2)处理的面料经过180℃的烧碱进行丝光处理。
本实施例的染色工艺,简单,经过堆置后,表面带有的浮色及杂质被去除,而且减少了排污量、节约了汽蒸,同时还提高了印染面料的干湿磨牢度、水洗牢度。测试结果如表1所示。
实施例2 60×60/90×88
一种高效节能的染色工艺,所述工艺包括如下步骤:
(1)前处理,对面料进行烧毛→退浆→氧漂→丝光处理;
(2)染色,将面料置于冷轧堆染设备上进行进布→轧料→打卷处理;
(3)堆置,将步骤(2)染色好的面料置于温度为30℃,湿度为35%的厂棚中堆置8~10h;
(4)水洗,将经过步骤(3)处理的面料置于2个冷水洗,3个热水洗后烘干,即经过常温冷水洗→常温冷水洗→95±2℃热水洗→95±2℃热水洗→95±2℃热水洗→烘干;
(5)整纬、拉幅、预缩。所得面料的性能测试结果如表1所示。
所述步骤(2)中染色所用染料包括:汽巴G黑60g/L,汽巴S-4R橙2g/L,汽巴S-D红4g/L,螯合分散剂0.5g/L;
所述步骤(2)中染色所用助剂浓碱,需将原360g/L稀释为30g/L的淡碱;
采用比例泵将染料与助剂按照4:1的体积比,自动打入冷轧堆染设备上的染色槽中。
所述步骤(1)中面料经过预处理,预处理的方法为:
(1)将面料置于含有30g/L烧碱,10g/L精炼渗透剂,10g/L螯合分散剂的溶液中,100±2℃的条件下堆置90min,后烘干至面料湿度为50%;
(2)将经过步骤(1)处理的面料置于含有8g/L双氧水的溶液中,在100±2℃的条件下堆置90min,出布、烘干;
(3)将经过步骤(2)处理的面料经过220℃的烧碱进行丝光处理。
本实施例的染色工艺,简单,经过堆置后,表面带有的浮色及杂质被去除,而且减少了排污量、节约了汽蒸,同时还提高了布面饱满度。
实施例3 20×16/128×60
一种高效节能的染色工艺,所述工艺包括如下步骤:
(1)前处理,对面料进行烧毛→退浆→氧漂→丝光处理;
(2)染色,将面料置于冷轧堆染设备上进行进布→轧料→打卷处理;
(3)堆置,将步骤(2)染色好的面料置于温度为40℃,湿度为35%的厂棚中堆置8~10h;
(4)水洗,将经过步骤(3)处理的面料置于2个冷水洗,3个热水洗后烘干,即经过常温冷水洗→常温冷水洗→95±2℃热水洗→95±2℃热水洗→95±2℃热水洗→烘干;
(5)整纬、拉幅、预缩。所得面料的性能测试结果如表1所示。
所述步骤(2)中染色所用染料包括:汽巴G黑50g/L,汽巴S-4R橙3g/L,汽巴S-D红2g/L,螯合分散剂0.5g/L;
所述步骤(2)中染色所用助剂浓碱,需将原360g/L稀释为30g/L的淡碱;
采用比例泵将染料与助剂按照4:1的体积比,自动打入冷轧堆染设备上的染色槽中。
所述步骤(1)中面料经过预处理,预处理的方法为:
(1)将面料置于含有70g/L烧碱,5g/L精炼渗透剂,8g/L螯合分散剂的溶液中,100±2℃的条件下堆置80min,后烘干至面料湿度为50%;
(2)将经过步骤(1)处理的面料置于含有6g/L双氧水的溶液中,在100±2℃的条件下堆置90min,出布、烘干;
(3)将经过步骤(2)处理的面料经过220℃的烧碱进行丝光处理
对比例
一种现有的染色工艺,所述工艺包括如下步骤:
(1)前处理,对面料进行烧毛、定型处理;
(2)染色、水洗:进布→轧料→预烘→预烘(100±2℃)→烘筒→中车→轧固色→汽蒸(100±5℃)→冷水洗→冷水洗→皂洗(95℃)→皂洗(100℃)→冷水洗→烘筒→出布;
(3)整纬、拉幅、预缩。所得面料的性能测试结果如表1所示。
所述步骤(2)中染色所用染料包括:汽巴G黑50g/L,汽巴S-4R橙3g/L,汽巴S-D红2g/L,螯合分散剂0.5g/L;所用助剂浓碱;
采用比例泵将染料与助剂按照4:1的体积比,自动打入染色槽中。
表1
实施例1 | 实施例2 | 实施例3 | 对比例 | |
水洗牢度/级 | 4-5 | 4-5 | 4-5 | 3-4 |
干磨牢度/级 | 4-5 | 4-5 | 4-5 | 4 |
湿磨牢度/级 | 4-5 | 4-5 | 3-4 | 2-3 |
Claims (3)
1.一种高效节能的染色工艺,其特征在于所述工艺包括如下步骤:
(1)前处理,对面料进行烧毛、定型处理;
(2)染色,将面料置于冷轧堆染设备上进行进布→轧料→打卷处理;
(3)堆置,将步骤(2)染色好的面料置于温度为30~45℃,湿度为20~35%的厂棚中堆置8~10h;
(4)水洗,将经过步骤(3)处理的面料置于2个冷水洗,3个热水洗后烘干,即经过常温冷水洗→常温冷水洗→95±2℃热水洗→95±2℃热水洗→95±2℃热水洗→烘干;
(5)整纬、拉幅、预缩;
所述步骤(2)中染色所用染料包括:汽巴G黑45~60g/L,汽巴S-4R橙2~4g/L,汽巴S-D红2~5g/L,螯合分散剂0.5g/L;
所述步骤(2)中染色所用助剂浓碱;
采用比例泵将染料与助剂按照4:1的体积比,自动打入冷轧堆染设备上的染色槽中。
2.根据权利要求1所述的染色工艺,其特征在于所述步骤(1)中面料经过预处理,预处理的方法为:
(1)将面料置于含有30~70g/L烧碱,5~10g/L精炼渗透剂,5~10g/L螯合分散剂的溶液中,100±2℃的条件下堆置60~90min,后烘干至面料湿度为50%;
(2)将经过步骤(1)处理的面料置于含有4~8g/L双氧水的溶液中,在100±2℃的条件下堆置60~90min,出布、烘干;
(3)将经过步骤(2)处理的面料经过170~220℃的烧碱进行丝光处理。
3.根据权利要求1所述的染色工艺,其特征在于所述步骤(2)中浓碱,需将原360g/L稀释为60g/L的淡碱。
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