CN105780552B - 一种木棉混纺织物的染色工艺 - Google Patents
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Abstract
一种木棉混纺织物的染色工艺,属于木棉混纺织物染色技术领域。依次包括轧碱、退浆煮练、氧漂、丝光、染色、汽蒸固色、皂洗、水洗、调节pH值和整理步骤;在染色中将木棉混纺织物浸轧染液,浸轧温度20~30℃,浸轧率74~76%,120~140℃烘干、冷却;染液包含活性染料0.2~10 g/L、渗透促进剂1~2g/L、染料保护剂2~3g/L和水;活性染料为SE型活性染料,渗透促进剂为阿白消、染料保护剂为阿白特斯。本发明的一种木棉混纺织物的染色工艺能够解决木棉混纺织物染色后手感发硬、牢度太差的问题,所得木棉混纺织物色牢度高、手感蓬松、柔软。
Description
技术领域
本发明涉及一种木棉混纺织物的染色工艺,属于木棉混纺织物染色技术领域。
背景技术
木棉纤维具备中空度高、保暖性好、轻柔、滑糯的性能,与棉、麻、天丝混纺后,做成服装,具有张力保暖、快速导温、天然抗菌、羊绒般滑糯的高档服装面料。
申请人在研究中发现:现有技术对木棉混纺面料前处理、染色存在一定困难。首先,现有木棉混纺织物手感较差,因木棉与棉、麻混纺,各纤维煮练、退浆条件不一致,强碱退浆,木棉纤维脆损,强力下降,煮练条件成绉,棉、麻煮练不透,造成手感发硬、染色不匀。其次,现有木棉织物色牢度较差。木棉属天然纤维素纤维,外观有白、黄、黄棕色三种颜色,长8~32mm,直径20~45um,纵向外观圆柱型,表面光滑、中段较粗,具有独特的薄壁大中空结构,这种纤维结构的处理与棉麻纤维结构差距较大,棉纤维长度在23mm~45mm之间,棉纤维纵向呈扁平的转带状,封闭的一端尖细,生长在棉籽上的一端较粗且敞口,棉纤维的横断面由许多同心层组成,分初生层、次生层、中腔三个部分,前处理精练达不到染色所要求的条件,所以导致染色色牢度较差。最后,申请人发现织造后未染色的木棉混纺织织物虽然具有柔软的手感,但木棉混纺织物采用现有染色工艺染色后,织物变得粗硬、丧失了其手感柔软的特性。
发明内容
本发明要解决的技术问题是:克服现有技术的不足,提供一种木棉混纺织物的染色工艺,该木棉混纺织物的染色工艺能够解决木棉混纺织物染色后手感发硬、牢度太差的问题,所得木棉混纺织物色牢度高、手感蓬松、柔软。
本发明解决其技术问题所采用的技术方案是:该木棉混纺织物的染色工艺,其特征在于,包括如下步骤:依次包括轧碱、退浆煮练、氧漂、丝光、染色、汽蒸固色、皂洗、水洗、调节pH值和整理步骤;
一种木棉混纺织物的染色工艺,其特征在于,依次包括轧碱、退浆煮练、氧漂、丝光、染色、汽蒸固色、皂洗、水洗、调节pH值和整理步骤;
所述的染色步骤是将木棉混纺织物浸轧染液,浸轧温度20~30℃,浸轧率74~76%,120~140℃烘干、冷却;染液中含有活性染料0.2~30g/L、渗透促进剂1~2g/L和染料保护剂2~3g/L;其中,所述的活性染料为SE型活性染料,渗透促进剂为阿白消,染料保护剂为阿白特斯;
所述的整理步骤是将木棉混纺织物浸渍整理液,浸轧温度20~30℃、轧余率70~72%;整理液包含蓬松剂58~63g/L、固色剂4~6g/L;蓬松剂为多元嵌段蓬松剂,固色剂为季铵盐型阳离子无醛固色剂。
所述的轧碱步骤是将木棉混纺织物浸轧碱液,碱液中含有质量百分比浓度27.5%的H2O2 10g/L、精练渗透剂 10~13g/L和NaOH 28~31g/L,冷堆20~24小时。
所述的退浆煮练步骤是将木棉混纺织物送入100~103℃汽蒸,堆置65~75min, 90~95℃水洗3~4道。
所述的丝光步骤是将木棉混纺织物浸渍含NaOH 115~125g/L的氢氧化钠水溶液。
所述的氧漂步骤是将木棉混纺织物浸渍氧漂液,经100~103℃汽蒸25~30min,90~95℃水洗3~4道;氧漂液中含有煮练剂 6~10g/L、H2O2 3~6.5g/L和稳定剂2~5g/L。
所述的皂洗步骤是将木棉混纺织物加90~95℃皂洗液,皂洗2~3min;皂洗液中含有皂洗剂8~10g/L;所述的水洗步骤是将木棉混纺织物加90~95℃水,水洗3~4道。
所述的调节pH值步骤是将木棉混纺织物浸渍调节液,调节木棉混纺织物表面pH值至6~7;调节液为冰醋酸浓度1~2g/L的醋酸水溶液。
所述的汽蒸固色步骤是将木棉混纺织物浸轧固色液,浸轧温度30℃,轧浸率85%、102℃ 汽蒸60秒;固色液中含有氢氧化钠5~7g/L、 NaCl 190~210g/L、Na2CO3 18~22g/L、防染剂2.5~3.5g/L和润滑剂 1.5~2.5g/L。
所述的润滑剂为阿润白,防染剂为防染盐S。
所述的轧碱步骤是将木棉混纺织物浸轧碱液,碱液中含有质量百分比浓度27.5%的H2O2 10g/L、精练渗透剂 10~13g/L和NaOH 28~31g/L,冷堆20~24小时。
申请人对于本发明的说明如下:本发明的木棉混纺织物是木棉纤维和棉纤维混纺纱线织造的织物,其中木棉纤维在木棉混纺织物中所占的质量百分比为20~60%。优选的,木棉纤维在木棉混纺织物中所占的质量百分比为30~50%。木棉混纺织物采用现有工艺染色后织物的强力损失更为严重、易丧失柔软、蓬松的手感,染色牢度不理想的表现相比木棉混纺织物更为明显,采用本发明的工艺可以很好的解决以上问题。
在轧碱步骤中:渗透精练剂主要成分为异构十三烷醇醚与多羟基化合物、多羧基化合物的共聚物,该渗透精练剂具有极强的润湿、分散、渗透、乳化、脱油、洗涤能力,在碱度较低条件下,去除各种浆料和杂质,使织物获得较高毛效和白度,保持木棉纤维不降低、不脆损。优选的渗透精练剂为烟台源明纺织科技生产的多功能练漂剂DX-9551X。优选的,轧碱步骤的具体操作为:将木棉混纺织物浸轧碱液,碱液中包含质量百分比浓度27.5%的H2O210g/L、精练渗透剂 12g/L、NaOH 20g/L,冷堆22~23小时。
在退浆煮练步骤中:在高温条件下,有效去除棉杂、麻皮及PVA浆料,获得较好手感。在氧漂步骤中:保持强力的条件下,获的白度。优选的氧漂液中含有煮练剂 7~9g/L、H2O24~6g/L和稳定剂2~4g/L。优选的氧漂液中含有煮练剂 8g/L、H2O2 5g/L和稳定剂3g/L,以便于染色步骤中活性染料的上染。
在丝光步骤中:丝光是指利用浓碱液在张力作用下处理织物,以改善其性能的方法。织物浸轧碱液时棉纤维会发生溶胀,而在张力作用下能够消除织物的皱纹,使纤维表面变的光滑的圆柱体,增加对光线的漫反射,织物表面显现出视觉上的光泽感。能够提高布面光泽,使织物得色率提高,以期达到较高的染色牢度。优选的,步骤4)的具体操作为:将木棉混纺织物浸渍含NaOH 120g/L的氢氧化钠水溶液。
在染色步骤中:活性染料为SE型活性染料,SE型活性染料具备3个氟系均三嗪活性基因,具有其他染料所不具备的高上染率、高的牢度指标。优选的,活性染料为生产的高日晒AVITERA SE型活性染料。在汽蒸固色步骤中:加入HUNTSMAN生产的阿白润可有效改变手感的染色绉条。阿白润(ALBAFLUID)改善液体分子与疏水性物质的结合和吸附,避免湿加工中形成折皱,改善SE型活性染料的溶解性和分散性;防染剂为防染盐S,成分为间硝基苯磺酸钠。
在皂洗步骤中:采用皂洗剂和溶剂水混合后作为皂洗液进行皂洗,以有效去除浮色。皂洗剂为皂洗剂630或皂洗剂LFX-102,皂洗剂630生产厂家为大染坊丝绸有限公司。皂洗剂LFX-102生产厂家为淄博丰晟化工有限公司。
退浆煮练步骤、氧漂步骤和水洗步骤中所述的水洗,均在热水箱中进行。常规的热水箱均分为多格设计,每格算一道,织物在热水箱之中依次经过多格,不断水洗。水洗3~4道指的是在热水箱中通过送布辊经3~4格水洗,每道水洗的时间为0.3~1min。
在调节pH步骤中:冰醋酸和水配置成的醋酸水溶液作为调节液,该调节液能够充分渗入纤维内部,全面中和织物的布面含碱量。调节pH步骤中木棉混纺织物表面pH值不易大于7或小于6,当pH值过大或时,均不利于后续整理中充分浸渍蓬松剂,还容易损伤木棉纤维,破坏织物柔软的手感。优选的,调节木棉混纺织物表面pH值至6.5~6.8。该pH值能够保证木棉混纺织物后续整理步骤中顺利浸渍蓬松剂,进一步提高木棉混纺织物的蓬松手感。优选采用HUNTSMAN生产的冰醋酸。
在整理步骤中:加入烟台源明生产的多元嵌段蓬松剂,使染色后获得较为丰满的手感。所述的多元嵌酸蓬松剂为季铵盐类无醛固色剂LD-98,属于季铵盐类、线性阳离子结构,依靠阳离子与活性染料阴离子的结合,以及聚合物与染料和纤维间的范德华力而有较大亲和力,这类固色剂不形成胶来,不影响染料与纤维的结合,色光和耐光牢度不发生变化。因此获得较高牢度指标。优选的,在整理步骤后还包括预缩步骤,预缩步骤采用经纬向缩率小于3%。预缩又称机械预缩整理,是指用物理方法减少织物浸水后的收缩以降低缩水的整理过程。经纬向缩率小于3%能够保证最后成品木棉混纺织物的稳定,幅宽误差小。
与现有技术相比,本发明的一种木棉混纺织物的染色工艺所具有的有益效果是:
1、该木棉混纺织物的染色工艺能够解决木棉混纺织物染色后手感发硬、牢度太差的问题,所得木棉混纺织物色牢度高、手感蓬松、柔软。使用SE型活性染料含三个氟代均三嗪的活性染料,以及阿白润等助剂的选用,使木棉混纺织物获得较高的染色牢度。整理步骤中用蓬松剂58~63g/L、固色剂4~6g/L;蓬松剂为多元嵌段蓬松剂,固色剂为季铵盐型阳离子无醛固色剂,不但使木棉混纺织物的牢度有质的提高,多元嵌段蓬松剂的应用使木棉混纺织物有了不一样的手感,悬重可比真丝,滑糯、细腻如羊绒,挺阔、厚重如天丝。
2、该木棉混纺织物的染色工艺所得木棉混纺织物手感顺滑、光洁程度高、得色率高。申请人通过添加渗透精练剂,有效解决了在低碱情况下去除棉杂、精练麻皮的难题,提高手感的顺滑程度。申请人通过研究找出丝光NaOH浓度临具点,既保护了木棉特性,又提高了棉麻的布面光洁程度、得色率。
具体实施方式
实施例1~5是本发明的一种木棉混纺织物的染色工艺的具体实施方式,其中实施例1为最佳实施例。1)轧碱中:五合一精练渗透剂为烟台源明纺织科技生产的多功能练漂剂DX-9551X。3)氧漂中:煮练剂为无锡开来生物科技公司生产的煮练剂HS-120A。稳定剂为无锡开来生物科技公司生产的稳定剂H2000B。5)染色中:活性染料为HUNTSMAN 生产的高日晒AVITERA SE染型活性染料;渗透促进剂为为HUNTSMAN生产的阿白消;染料保护剂为HUNTSMAN生产的阿白特斯。6)汽蒸固色中:润滑剂为HUNTSMAN生产的阿润白;防染剂为防染盐S。7)皂洗中:皂洗剂为大染坊纺织有限公司生产的皂洗剂630。9)调节pH中:冰醋酸为江苏索普化工生产。10)整理中:蓬松剂为烟台源明纺织科技有限公司生产的多元嵌段蓬松剂GTS-8288;季铵盐型阳离子无醛固色剂为烟台源明科技公司生产的无醛固色剂LD-98。为了便于比较木棉混纺织物染色后的强力,实施例所用木棉混纺织物采用木棉和棉混纺的纱线织造,为弹力斜纹,纱织20×16+70D 96×54,20×16表示纱织,96×54表示经纬密,木棉混纺织物木棉与棉的质量比为45:55。
实施例1
1)轧碱:将木棉混纺织物浸轧碱液,碱液中包含质量百分比浓度27.5%的H2O2 10g/L、精练渗透剂 12g/L、NaOH 20g/L,冷堆22小时;
2)退浆煮练:退浆煮练采用将木棉混纺织物送入汽蒸箱100~103℃汽蒸,堆置65min,90~95℃水洗3道;
3)氧漂: 将木棉混纺织物浸渍氧漂液,经100~103℃汽蒸30min,90~95℃水洗4道;氧漂液中含有煮练剂8g/L、H2O25g/L和稳定剂3g/L;
4)丝光:将木棉混纺织物浸渍含NaOH 120g/L的氢氧化钠水溶液;
5)染色:将木棉混纺织物浸轧染液,浸轧温度20~25℃,浸轧率74%,120~125℃烘干、冷却;染液包含活性染料0.65g/L、渗透促进剂1g/L、染料保护剂2g/L,水为溶剂;所述的活性染料为SE型活性染料,渗透促进剂为阿白消、染料保护剂为阿白特斯;
6)汽蒸固色:将木棉混纺织物浸轧固色液,浸轧温度30℃,轧浸率85%、102℃ 汽蒸60秒;固色液包含氢氧化钠6g/L、 NaCl 200g/L、Na2CO3 20g/L、防染剂3g/L、润滑剂 2g/L,水为溶剂;
7)皂洗:将木棉混纺织物采用90~95℃皂洗液,皂洗2.5min;皂洗液中水为溶剂,皂洗液含有皂洗剂9g/L;
8)水洗:90~95℃水洗3道;
9)调节pH :将木棉混纺织物浸渍2g/L的醋酸水溶液,调节木棉混纺织物表面pH至6.5;
10)整理:将木棉混纺织物浸渍整理液,浸轧温度25~30℃、轧余率70%;整理液包含蓬松剂60g/L、固色剂5g/L,水为溶剂。
实施例2
1)轧碱:将木棉混纺织物浸轧碱液,碱液中包含质量百分比浓度27.5%的H2O2 10g/L、精练渗透剂 10g/L、NaOH 28g/L,冷堆24小时;
2)退浆煮练:退浆煮练采用将木棉混纺织物送入汽蒸箱100~103℃汽蒸,堆置65~75min, 90~95℃水洗3~4道;
3)氧漂:将木棉混纺织物浸渍氧漂液,经100~103℃汽蒸25~30min,90~95℃水洗3~4道;氧漂液中含有煮练剂 8g/L、H2O2 5.5g/L和稳定剂3.5/L;
4)丝光:将木棉混纺织物浸渍含NaOH 115~125g/L的氢氧化钠水溶液;
5)染色:将木棉混纺织物浸轧染液,浸轧温度25~30℃,浸轧率75%,125~130℃烘干、冷却;染液包含活性染料1.5 g/L、渗透促进剂1.5g/L、染料保护剂2g/L,水为溶剂;所述的活性染料为SE型活性染料,渗透促进剂为阿白消、染料保护剂为阿白特斯;
6)汽蒸固色:将木棉混纺织物浸轧固色液,浸轧温度30℃,轧浸率85%、102℃ 汽蒸60秒;固色液包含氢氧化钠6.5g/L、 NaCl205g/L、Na2CO3 20g/L、防染剂3.2g/L、润滑剂2.2g/L,水为溶剂;
7)皂洗:将木棉混纺织物采用90~95℃皂洗液,皂洗3min;皂洗液中水为溶剂,皂洗液含有皂洗剂8g/L;
8)水洗:90~95℃水洗3道;
9)调节pH :将木棉混纺织物浸渍1g/L的醋酸水溶液,调节木棉混纺织物表面pH至6.5;
10)整理:将木棉混纺织物浸渍整理液,浸轧温度20~25℃、轧余率72%;整理液包含蓬松剂60g/L、固色剂6g/L,水为溶剂。
实施例3
1)轧碱:将木棉混纺织物浸轧碱液,碱液中包含质量百分比浓度27.5%的H2O2 10g/L、精练渗透剂13g/L、NaOH 30g/L,冷堆20小时;
2)退浆煮练:退浆煮练采用将木棉混纺织物送入汽蒸箱100~103℃汽蒸,堆置65~75min, 90~95℃水洗3~4道;
3)氧漂:将木棉混纺织物浸渍氧漂液,经100~103℃汽蒸25min,90~95℃水洗3道;氧漂液中含有煮练剂 9g/L、H2O2 4g/L和稳定剂2g/L;
4)丝光:将木棉混纺织物浸渍含NaOH 115~125g/L的氢氧化钠水溶液;
5)染色:将木棉混纺织物浸轧染液,浸轧温度20~30℃,浸轧率74~76%,120~140℃烘干、冷却;染液包含活性染料2.5 g/L、渗透促进剂2g/L、染料保护剂2.5g/L,水为溶剂;所述的活性染料为SE型活性染料,渗透促进剂为阿白消、染料保护剂为阿白特斯;
6)汽蒸固色:将木棉混纺织物浸轧固色液,浸轧温度30℃,轧浸率85%、102℃ 汽蒸60秒;固色液包含氢氧化钠5.5g/L、 NaCl195g/L、Na2CO3 19.5g/L、防染剂2.8g/L、润滑剂1.8g/L,水为溶剂;
7)皂洗:将木棉混纺织物采用90~95℃皂洗液,皂洗2.5min;皂洗液中水为溶剂,皂洗液含有皂洗剂9.5g/L;
8)水洗: 90~95℃水洗3道;
9)调节pH :将木棉混纺织物浸渍1.5g/L的醋酸水溶液,调节木棉混纺织物表面pH至6.5;
10)整理:将木棉混纺织物浸渍整理液,浸轧温度20~25℃、轧余率71%;整理液包含蓬松剂59g/L、固色剂5g/L,水为溶剂。
实施例4
1)轧碱:将木棉混纺织物浸轧碱液,碱液中包含质量百分比浓度27.5%的H2O2 10g/L、精练渗透剂13g/L、NaOH 31g/L,冷堆21小时;
2)退浆煮练:退浆煮练采用将木棉混纺织物送入汽蒸箱100~103℃汽蒸,堆置65~75min, 90~95℃水洗3~4道;
3)氧漂: 将木棉混纺织物浸渍氧漂液,经100~103℃汽蒸25min,90~95℃水洗4道;氧漂液中含有煮练剂 7g/L、H2O2 6g/L和稳定剂4g/L;
4)丝光:将木棉混纺织物浸渍含NaOH 115~125g/L的氢氧化钠水溶液;
5)染色:将木棉混纺织物浸轧染液,浸轧温度20~30℃,浸轧率74~76%,120~140℃烘干、冷却;染液包含活性染料8g/L、渗透促进剂1.2g/L、染料保护剂2.7g/L,水为溶剂;所述的活性染料为SE型活性染料,渗透促进剂为阿白消、染料保护剂为阿白特斯;
6)汽蒸固色:将木棉混纺织物浸轧固色液,浸轧温度30℃,轧浸率85%、102℃ 汽蒸60秒;固色液包含氢氧化钠6g/L、 NaCl 210g/L、Na2CO3 22g/L、防染剂2.5g/L、润滑剂2.5g/L,水为溶剂;
7)皂洗:将木棉混纺织物采用90~95℃皂洗液,皂洗2.5min;皂洗液中水为溶剂,皂洗液含有皂洗剂10g/L;
8)水洗:90~95℃水洗3道;
9)调节pH :将木棉混纺织物浸渍2g/L的醋酸水溶液,调节木棉混纺织物表面pH至6.2;
10)整理:将木棉混纺织物浸渍整理液,浸轧温度25~30℃、轧余率70%;整理液包含蓬松剂63g/L、固色剂6g/L,水为溶剂;
11)预缩:步骤11)预缩采用经纬向缩率小于3%。
实施例5
1)轧碱:将木棉混纺织物浸轧碱液,碱液中包含质量百分比浓度27.5%的H2O2 10g/L、精练渗透剂 11g/L、NaOH 29g/L,冷堆22小时;
2)退浆煮练:将木棉混纺织物送入汽蒸箱100~103℃汽蒸,堆置65~75min, 90~95℃水洗4道;
3)氧漂: 将木棉混纺织物浸渍氧漂液,经100~103℃汽蒸25min,90~95℃水洗3道;氧漂液中含有煮练剂 8g/L、H2O25g/L和稳定剂3g/L;
4)丝光:将木棉混纺织物浸渍含NaOH 115~125g/L的氢氧化钠水溶液;
5)染色:将木棉混纺织物浸轧染液,浸轧温度20~30℃,浸轧率74~76%,120~140℃烘干、冷却;染液包含活性染料10 g/L、渗透促进剂1.5g/L、染料保护剂3g/L,水为溶剂;所述的活性染料为SE型活性染料,渗透促进剂为阿白消、染料保护剂为阿白特斯;
6)汽蒸固色:将木棉混纺织物浸轧固色液,浸轧温度30℃,轧浸率85%,102℃汽蒸60秒;固色液包含氢氧化钠5g/L、 NaCl 200g/L、Na2CO3 20g/L、防染剂3g/L、润滑剂 1.5g/L,水为溶剂;
7)皂洗:将木棉混纺织物采用90~95℃皂洗液,皂洗3min;皂洗液中水为溶剂,皂洗液含有皂洗剂9g/L;
8)水洗: 90~95℃水洗4道;
9)调节pH :将木棉混纺织物浸渍1g/L的醋酸水溶液,调节木棉混纺织物表面pH至6.8;
10)整理:将木棉混纺织物浸渍整理液,浸轧温度20~25℃、轧余率70~72%;整理液包含蓬松剂58g/L、固色剂4g/L,水为溶剂;
11)预缩:预缩采用经纬向缩率小于3%。
性能测试
表1各项指标的测试,参照美国AATCC国际标准进行试验测定,详见表1。
表1 实施例1~5所得木棉混纺织物性能
。
通过表1可看出,该木棉混纺织物的染色工艺所获得的木棉混纺织物具有较高的牢度表现,并且没有破坏木棉纤维和棉纤维本身的特性。申请人将实施例1~5所得木棉混纺织物经验货人员手触摸验货,发现实施例1~5所得木棉混纺织物表面光滑、手感蓬松、柔软。并且通过表1可看出,所得木棉混纺织物还具有较高的拉伸强力和撕破强力。
以上所述,仅是本发明的较佳实施例而已,并非是对本发明作其它形式的限制,任何熟悉本专业的技术人员可能利用上述揭示的技术内容加以变更或改型为等同变化的等效实施例。但是凡是未脱离本发明技术方案内容,依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与改型,仍属于本发明技术方案的保护范围。
Claims (6)
1.一种木棉混纺织物的染色工艺,其特征在于,依次包括轧碱、退浆煮练、氧漂、丝光、染色、汽蒸固色、皂洗、水洗、调节pH值和整理步骤;
所述的染色步骤是将木棉混纺织物浸轧染液,浸轧温度20~30℃,浸轧率74~76%,120~140℃烘干、冷却;染液中含有活性染料0.2~30g/L、渗透促进剂1~2g/L和染料保护剂2~3g/L;其中,所述的活性染料为SE型活性染料,渗透促进剂为阿白消,染料保护剂为阿白特斯;
所述的整理步骤是将木棉混纺织物浸渍整理液,浸轧温度20~30℃、轧余率70~72%;整理液包含蓬松剂58~63g/L、固色剂4~6g/L;蓬松剂为多元嵌段蓬松剂,固色剂为季铵盐型阳离子无醛固色剂;
所述的轧碱步骤是将木棉混纺织物浸轧碱液,碱液中含有质量百分比浓度27.5%的H2O210g/L、精练渗透剂 10~13g/L和NaOH 28~31g/L,冷堆20~24小时;
所述的汽蒸固色步骤是将木棉混纺织物浸轧固色液,浸轧温度30℃,轧浸率85%、102℃汽蒸60秒;
固色液中含有氢氧化钠5~7g/L、 NaCl 190~210g/L、Na2CO3 18~22g/L、防染剂2.5~3.5g/L和润滑剂 1.5~2.5g/L;所述的润滑剂为阿白润,防染剂为防染盐S。
2.根据权利要求1所述的一种木棉混纺织物的染色工艺,其特征在于:所述的退浆煮练步骤是将木棉混纺织物送入100~103℃汽蒸,堆置65~75min, 90~95℃水洗3~4道。
3.根据权利要求1所述的一种木棉混纺织物的染色工艺,其特征在于:所述的丝光步骤是将木棉混纺织物浸渍含NaOH 115~125g/L的氢氧化钠水溶液。
4.根据权利要求1所述的一种木棉混纺织物的染色工艺,其特征在于:所述的氧漂步骤是将木棉混纺织物浸渍氧漂液,经100~103℃汽蒸25~30min,90~95℃水洗3~4道;氧漂液中含有煮练剂 6~10g/L、H2O2 3~6.5g/L和稳定剂2~5g/L。
5.根据权利要求1所述的一种木棉混纺织物的染色工艺,其特征在于:所述的皂洗步骤是将木棉混纺织物加90~95℃皂洗液,皂洗2~3min;皂洗液中含有皂洗剂8~10g/L;所述的水洗步骤是将木棉混纺织物加90~95℃水,水洗3~4道。
6.根据权利要求1所述的一种木棉混纺织物的染色工艺,其特征在于: 所述的调节pH值步骤是将木棉混纺织物浸渍调节液,调节木棉混纺织物表面pH值至6~7;调节液为冰醋酸浓度1~2g/L的醋酸水溶液。
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