CN115142261A - 高柔性涤纶沙发布及其制备方法 - Google Patents

高柔性涤纶沙发布及其制备方法 Download PDF

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CN115142261A
CN115142261A CN202210880630.7A CN202210880630A CN115142261A CN 115142261 A CN115142261 A CN 115142261A CN 202210880630 A CN202210880630 A CN 202210880630A CN 115142261 A CN115142261 A CN 115142261A
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fabric
polyester
sofa
fabric body
dyeing
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郭法水
郭明
沈琦芳
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Hangzhou Huashui Fabrics Co ltd
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Hangzhou Huashui Fabrics Co ltd
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Abstract

本申请涉及家居纺织领域,具体公开了一种高柔性涤纶沙发布及其制备方法。涤纶沙发布包括面料本体,所述面料本体由经线和纬线编织而成,所述面料本体的经线密度为220‑240根/10cm,所述面料本体的纬线密度为120‑140根/10cm;其制备方法为通过对面料本体进行蔗糖脂肪酸酯处理,便于进行染色,染色后通过对面料本体进行乙酰化处理,从而获得疏水涤纶沙发布。本申请的涤纶沙发布具有不易沾染污渍和碎屑的优点;另外,本申请的制备方法具有不易使织物的强力损失严重,织物使用寿命高的优点。

Description

高柔性涤纶沙发布及其制备方法
技术领域
本申请涉及家居纺织领域,更具体地说,它涉及一种高柔性涤纶沙发布及其制备方法。
背景技术
涤纶沙发布是由涤纶纤维经过经纬编织所形成的,涤纶纤维又名聚酯纤维,其具有强度大、耐磨性好、弹性好、耐热性强的优点,同时,涤纶面料制备的沙发也具有较好的柔性,当人体躺在沙发上时,人体可以跟沙发很好的贴合,具有较高的舒适度,因此,涤纶沙发布经常被用到商务布艺沙发中。
针对上述中的相关技术,申请人认为涤纶布艺沙发在使用的过程中,容易沾染污渍和碎屑,而布艺沙发拆洗又较为困难,从而导致涤纶布艺沙发变脏影响美观和使用。
发明内容
为解决相关技术中存在的涤纶布艺沙发清洗困难的问题,本申请提供一种高柔性涤纶沙发布及其制备方法。
第一方面,本申请提供一种一种高柔性涤纶沙发布,采用如下的技术方案:
一种高柔性涤纶沙发布,包括面料本体,所述面料本体由经线和纬线编织而成,所述面料本体的经线密度为220-240根/10cm,所述面料本体的纬线密度为120-140根/10cm,所述面料本体的经线为涤纶纱线,所述面料本体的纬线包括涤纶纱线和银纱线,所述纬线的涤纶纱线和银纱线的重量比为6-9:1,所述涤纶纱线的公制支数为60-80公支,所述银纱线的公制支数为40-60公支,所述面料本体由蔗糖脂肪酸酯处理后再经染色和乙酰化处理制得。
通过采用上述技术方案,面料本体通过调节经线密度和纬线密度,形成的面料本体的密度会更高,可有效的降低螨虫通过,同时,也可以阻挡在使用布艺沙发的过程中,避免碎屑掉入沙发内部难以清理的情况发生;面料本体经过蔗糖脂肪酸酯处理后再染色和低表面能处理,使面料本体获得较好的疏水性能,从而获得良好的抗污防物能力;而设置的涤纶纱线为60-80公支,银纱线为40-60公支,从而使制得的涤纶沙发布具有良好的柔软性能,且由于疏水涤纶表面不含有极性基团,涤纶的吸湿性较差,从而导致抗静电性能较弱和易起球,通过在涤纶沙发布中掺杂银纤维线,从而提高了涤纶沙发布的抗静电性能,从而使涤纶沙发布使用更舒适。
第二方面,本申请提供一种高柔性涤纶沙发布的制备方法,采用如下的技术方案:一种高柔性涤纶沙发布的制备方法,包括以下步骤:
S1、退浆处理;
S2、预定型;
S3、染色前处理;
S3.1、将步骤S2中预定型的面料本体坯布浸渍于表面整理液中,表面整理液包括10-20g/L蔗糖脂肪酸酯,浴比为1:30,调节温度为130-140℃,浸渍时间为40-60min,接着降低温度至30-40℃,处理20-30min;
S3.2、采用1-2g/L的十二烷基磺酸钠水溶液清洗步骤S3.1的面料本体坯布,接着清水冲洗、烘干;
S4、染色;
S5、疏水整理,对步骤S4中染色的面料本体坯布进行乙酰化整理;
S6、热定型。
通过采用上述技术方案,蔗糖脂肪酸酯作为一种非离子表面活性剂,其具有疏水性的烷基链和亲水性的蔗糖环,且由于涤纶具有一定的疏水性,在高温条件下,涤纶分子链之间容易产生空隙,从而将蔗糖脂肪酸酯的烷基链嵌入涤纶分子间隙内,其中,具有亲水性的蔗糖环会停留在涤纶的表面,从而提到涤纶的亲水性,便于对涤纶进行染色处理。
优选的,染色前处理,还包括以下步骤:
所述步骤S3.1中的表面整理液,还包括1-2g/L的茶多酚和1-2g/L的聚乙烯醇混合液。
通过采用上述技术方案,由于聚乙烯醇具有较强的黏附性,茶多酚也具有较强的黏附性,且两者的共溶性良好,通过采用茶多酚混合液对涤纶沙发布进行处理,降低了采用蔗糖脂肪酸酯处理后粗糙度增加较小而强度下降的可能性,同时,在涤纶纤维的表面引入新的极性集团,避免蔗糖脂肪酸酯的亲水基团镶嵌含量较少从而导致分散染料上染困难的可能性,在提高上染率的同时,其形成的茶多酚层也会使强度有所提高。
优选的,步骤S4染色,包括以下步骤:
S4.1、将步骤S3染色前处理的面料本体坯布浸入染液中进行染色,两浸两轧,扎液率为80%,染液PH为4-6,浴比为1:20,染色起始温度为40℃,以2℃/min的速度升高温度至80℃,接着以1.5℃/min的速度升高温度至110℃,然后以1℃/min的速度升高温度至130℃,在130℃保温染色30-40min,最后以3℃/min降低温度至80℃,取出;
S4.2、清洗步骤S4.1中染色后的面料本体坯布。
通过采用上述技术方案,通过调节升温速率,降低升温速率过快从而产生色花,尤其是当上染温度达到涤纶纤维的玻璃化温度后,若升温过快,染料迅速上染纤维,形成局部上染而造成色花和色块,尤其使当染料的初始上染率高时,色花就更加严重,通过根据涤纶纤维的玻璃化温度调节上染速率,从而使上染更加均匀,降低上染过程中产生色块的可能性。
优选的,步骤S4.1中的染液包括4-8份分散染料、0.1-2份匀染剂、0.1-0.5防泳移剂RG-SDV、0.5-2份渗透剂JFC、1-3份络合剂EDTA四钠、2-4份冰醋酸。
通过采用上述技术方案,通过在染液中加入醋酸,从而调节染液的PH,使染液的PH位于分散染料的合适上染区间,同时,通过加入匀染剂,提高分散染料对涤纶纤维的其亲和力的同时,降低了升温速度过高从而导致染色不均匀的可能性;加入的渗透剂JFC可以使分散染料易于渗入涤纶内部,而防泳移剂RG-SDV的阿加入,降低了在染色、轧染和烘干的过程中出现泳移现象;络合剂EDTA四钠通过与染液中的金属离子相互螯合,降低了金属离子对分散染料的颜色产生影响的可能性;通过散染料、匀染剂、防泳移剂RG-SDV、渗透剂JFC、络合剂EDTA四钠、冰醋酸相互配合,提高了上染速率和上染效果。
优选的,所述涤纶匀染剂包括匀染剂JS-603和分散匀染剂GS中的一种或多种。
通过采用上述技术方案,通过采用匀染剂JS-603具有很强的分散性,同时具有优异的缓染性和移染性,可以有效的防止染色色花,同时,其防沾性和清缸性良好;而分散匀染剂GS具有有优良的分散性、移染性、缓染性和匀染性,同时,分散匀染剂GS可以与匀染剂JS-603混合使用,进一步的提高匀染效果。
优选的,所述分散染料包括分散蓝BGL、黄棕H-2RFL、分散红玉GFL,所述分散蓝BGL、黄棕H-2RFL和分散红玉GFL的质量比为1:1:1-3。
通过采用上述技术方案,通过使分散蓝BGL、黄棕H-2RFL、分散红玉GFL配伍,降低了是色光不稳定和出现色花的现象,提高了拼色的稳定性。
优选的,步骤S5疏水整理,包括以下步骤:
S5.1、将步骤S4染色后的面料本体坯布采用1-2g/L的醋酸酐溶液处理,处理温度为40-50℃,处理时间为10-20min,浴比为1:20;
S5.2、用1-2g/L的十二烷基磺酸钠水溶液清洗步骤S5.1中的涤纶沙发布,清水冲洗、烘干。
通过采用上述技术方案,通过使醋酸酐与涤纶纤维表面的羟基发生反应,从而封闭涤纶纤维表面的亲水基团,使其变得疏水,进而降低涤纶纤维表面的表面能,从而制备出超疏水的涤纶沙发布。
优选的,所述步骤S5.1还包括以下步骤:
醋酸酐溶液处理后,升高温度至120-130℃,加入1-2g/L的交联剂HD-7135,反应5-10min后,降低温度至室温,得涤纶沙发布。
通过采用上述技术方案,通过加入交联剂HD-7135,在120℃以上时解封闭,其中的异氰酸基可与其他羧基等亲水基团再次发生反应,进一步的提高涤纶沙发布的疏水和抗污能力。
优选的,步骤S6热定型,包括以下步骤:
对步骤S5疏水整理后的涤纶沙发布进行热定型处理,定位温度为180-210℃,定型时间为20-90s,得成品涤纶沙发布。
通过采用上述技术方案,通过对涤纶织物热定型,不仅可以消除涤纶织物的褶皱,使涤纶沙发布更加平整,从而提高涤纶织物的服用性能。
综上所述,本申请具有以下有益效果:
1、由于本申请采用较高的经纬线密度,从而获得致密的涤纶沙发布,同时,采用的纱线的公支数较高,提高了涤纶沙发布的柔性,而掺杂银线的方式,提高了涤纶织物的抗起球和抗静电性能,最后,通过蔗糖脂肪酸酯和乙酰化处理,从而获得了高柔性、抗污、抗渍的涤纶沙发布;
2、本申请中优选采用在染色前经过蔗糖脂肪酸酯处理,从而在涤纶的表面引入亲水性基团,提高了涤纶沙发布的上染效率,相较于传统的碱减量处理,其对涤纶沙发布的强力破坏较小,降低了在染色前通过对涤纶表面蚀刻从而使其强度下降的可能性;
3、本申请在染色的过程中,通过控制上染速率,使得分散染料可以均匀的渗入涤纶纤维外,降低了在上染的过程中产生色花和色块的可能性。
具体实施方式
实施例
实施例1
一种高柔性涤纶沙发布,包括面料本体,面料本体由经线和纬线编织而成,面料本体为五枚三飞经面缎纹组织,面料本体的经线密度为235根/10cm,面料本体的纬线密度为135根/10cm,面料本体的经线为涤纶纱线,涤纶纱线是由涤纶纤维加捻形成,面料本体的纬线包括涤纶纱线和银纱线,银纱线是由银纤维加捻形成,面料本体的纬线的涤纶纱线和银纱线的重量比为7:1,涤纶纱线的公制支数为60公支,银纱线的公制支数为60公支,面料本体由蔗糖脂肪酸酯处理后再经乙酰化处理制得。
高柔性涤纶沙发布的制备方法,包括以下步骤:
S1、退浆处理,将面料本体坯布置于间歇式精炼槽中,面料本体坯布浸扎于精炼液中,精炼液采用1g/L的十二烷基磺酸钠水溶液,浴比为1:50,洗涤温度为60℃,洗涤时间为30min,最后用清水洗涤,60℃烘干;
S2、预定型,将步骤S1.1退浆处理的面料本体坯布送至定形机,预定型的温度为180-190℃,时间为20-30s;
S3、染色前处理;
S3.1、将面料本体坯布置于高温高压染色机中,将步骤S2预定型的面料本体坯布浸渍于表面整理液中,表面整理液包括10-20g/L蔗糖脂肪酸酯,浴比为1:30,以2℃/min的升温速度升高温度至130℃,浸渍50min,接着以4℃/min的速度降低温度至40℃,处理20min;
S3.2、用1g/L的十二烷基磺酸钠水溶液清洗步骤S3.1中的面料本体坯布,接着用清水冲洗、60℃烘干;
S4、染色;
S4.1、将步骤S3.3中的面料本体坯布浸入染液中进行染色,两浸两轧,轧液率80%,染液包括4kg分散染料、0.1kg匀染剂、0.3kg防泳移剂RG-SDV、1.5kg渗透剂JFC、2kg络合剂EDTA、3kg冰醋酸,其中,分散染料包括1kg分散蓝BGL、1kg黄棕H-2RFL、2kg分散红玉GFL,匀染剂包括0.05kg匀染剂JS-603和0.05kg分散匀染剂GS,调节染液PH为4.5-5.5,浴比为1:20,染色起始温度为40℃,以2℃/min的速度升高温度至80℃,接着以1.5℃/min的速度升高温度至110℃,然后以1℃/min的速度升高温度至130℃,在130℃保温染色40min,最后以3℃/min降低温度降低温度至80℃,取出;
S4.2、清洗,将步骤S4.1所制备的面料本体坯布浸渍于清洗液中,清洗液包括2g/L的氢氧化钠溶液和2g/L的保险粉,接着用80℃水洗15min,最后用冷水洗,烘干;
S5、疏水整理;
S5.1、将步骤S4.2中的面料本体坯布用1-2g/L的醋酸酐溶液处理,处理温度为40℃,处理时间为20min,浴比为1:20;
S5.2、再次用1g/L的十二烷基磺酸钠水溶液清洗步骤S5.1的涤纶沙发布,清水冲洗、60℃烘干;
S6、热定型,将涤纶沙发布送入热定型机内进行热定型处理,定型温度为185-190℃,定形时间为20-90s,冷却温度为40℃,得成品涤纶沙发布。
实施例2,实施例2与实施例1的不同之处在于:步骤S3染色前处理包括以下步骤:
S3.1、将面料本体坯布置于高温高压染色机中,将步骤S2预定型的面料本体坯布浸渍于表面整理液中,表面整理液包括10-20g/L蔗糖脂肪酸酯、2g/L的茶多酚、2g/L聚乙烯醇,浴比为1:30,以2℃/min的升温速度升高温度至130℃,浸渍50min,接着以4℃/min的速度降低温度至40℃,处理20min。
实施例3,实施例3与实施例2的不同之处在于:步骤S5.1疏水整理,包括以下步骤:
S5.1、将步骤S4.2中的面料本体坯布用1-2g/L的醋酸酐溶液处理,处理温度为40℃,处理时间为20min,浴比为1:20;醋酸酐溶液处理后,升高温度至125℃,加入2g/L的交联剂HD-7135,反应10min后,降低温度至室温,得涤纶沙发布。
实施例4,实施例4与实施例3的不同之处在于:分散染料包括1.5kg分散蓝BGL、1.5kg黄棕H-2RFL、3kg分散红玉GFL。
实施例5,实施例5与实施例3的不同之处在于:分散染料包括2kg分散蓝BGL、2kg黄棕H-2RFL、4kg分散红玉GFL。
实施例6,实施例6与实施例4的不同之处在于:
高柔性涤纶沙发布的制备方法,包括以下步骤:
S1、退浆处理,将面料本体坯布置于间歇式精炼槽中,面料本体坯布浸扎于精炼液中,精炼液采用1g/L的十二烷基磺酸钠水溶液,浴比为1:50,洗涤温度为60℃,洗涤时间为30min,最后用清水洗涤,60℃烘干;
S2、预定型,将步骤S1.1退浆处理的面料本体坯布送至定形机,预定型的温度为180-190℃,时间为20-30s;
S3、染色前处理;
将面料本体坯布置于高温高压染色机中,将步骤S2预定型的面料本体坯布浸渍于表面整理液中,表面整理液包括10-20g/L蔗糖脂肪酸酯、2g/L的茶多酚、2g/L聚乙烯醇,浴比为1:30,以2℃/min的升温速度升高温度至130℃,浸渍50min,接着以4℃/min的速度降低温度至40℃,处理20min;
S3.2、将步骤S3.1中的面料本体坯布浸渍于茶多酚混合液中,茶多酚混合液由2g/L的茶多酚和2g/L聚乙烯醇混合液组成;
S3.3、用1g/L的十二烷基磺酸钠水溶液清洗步骤S3.2中的面料本体坯布,接着用清水冲洗、60℃烘干;
S4、染色;
S4.1、将步骤S3.3中的面料本体坯布浸入染液中进行染色,两浸两轧,轧液率80%,染液包括6kg分散染料、1kg匀染剂、0.3kg防泳移剂RG-SDV、1.5kg渗透剂JFC、2kg络合剂EDTA、3kg冰醋酸,其中,分散染料包括1.5kg分散蓝BGL、1.5kg黄棕H-2RFL、3kg分散红玉GFL,匀染剂包括0.5kg匀染剂JS-603和0.5kg分散匀染剂GS,调节染液PH为4.5-5.5,浴比为1:20,染色起始温度为40℃,以2℃/min的速度升高温度至80℃,接着以1.5℃/min的速度升高温度至110℃,然后以1℃/min的速度升高温度至130℃,在130℃保温染色40min,最后以3℃/min降低温度降低温度至80℃,取出;
S4.2、清洗,将步骤S4.1所制备的面料本体坯布浸渍于清洗液中,清洗液包括2g/L的氢氧化钠溶液和2g/L的保险粉,接着用80℃水洗15min,最后用冷水洗,烘干;
S5、疏水整理;
S5.1、将步骤S4.2中的面料本体坯布用1-2g/L的醋酸酐溶液处理,处理温度为40℃,处理时间为20min,浴比为1:20;醋酸酐溶液处理后,升高温度至125℃,加入2g/L的交联剂HD-7135,反应10min后,降低温度至室温,得涤纶沙发布;
S5.2、再次用1g/L的十二烷基磺酸钠水溶液清洗步骤S5.1的涤纶沙发布,清水冲洗、60℃烘干;
S6、热定型,将涤纶沙发布送入热定型机内进行热定型处理,定型温度为185-190℃,定形时间为20-90s,冷却温度为40℃,得成品涤纶沙发布。
实施例7,实施例7与实施例6的不同之处在于:匀染剂包括1kg匀染剂JS-603和1kg分散匀染剂GS。
对比例
对比例1,对比例1与实施例1的不同之处在于:步骤S3中的染色前处理为碱减量处理。
对比例2,对比例2与实施例1的不同之处在于:对比例2未进行步骤S5疏水整理。
对比例3,对比例3与实施例4的不同之处在于:分散染料包括0.5kg分散蓝BGL、0.5kg黄棕H-2RFL、1kg分散红玉GFL。
对比例4,对比例4与实施例4的不同之处在于:分散染料包括2.5kg分散蓝BGL、2.5kg黄棕H-2RFL、5kg分散红玉GFL。
对比例5,对比例5与实施例6的不同之处在于:匀染剂包括0.005kg匀染剂JS-603和0.005kg分散匀染剂GS。
对比例6,对比例6与实施例6的不同之处在于:匀染剂包括2kg匀染剂JS-603和2kg分散匀染剂GS。
对比例7,对比例7与实施例1的不同之处在于:步骤S4.1染色起始温度为40℃,以2℃/min的速度升高温度至130℃,在130℃保温染色40min,最后以3℃/min降低温度降低温度至80℃,取出。
性能检测试验
抗湿性测试:按照《纺织品的标准试验方法.第22部分:表面抗湿性测定.沾水试验》,沾水等级:
1级--受淋表面全部润湿。
2级--受淋表面有一半润湿,这通常是指小块不连接的润湿面积总和。
3级--受淋表面仅有不连接的小面积润湿。
4级--受淋表面没有润湿,但在表面沾有小水珠。
5级--受淋表面没有润湿,在表面也未沾有小水珠。
耐水洗测试:按照《纺织品.试验时采用额家庭洗涤剂及干燥程序》,对涤纶沙发布皂洗30次后测试改性涤纶织物与水的接触角。
耐皂洗色牢度测试:按照《纺织品色牢度试验耐皂洗色牢度》,对涤纶沙发布进行色牢度测试。
强度测试:采用HD026N型电子织物强力仪,根据《纺织品织物拉伸性能第一部分:断裂强力和断裂伸长率的测定条样法》,测定涤纶沙发布的断裂强力。
检测方法/试验方法
表1是本申请实施例的性能测试数据
Figure BDA0003764048280000081
Figure BDA0003764048280000091
表2是本申请对比例的性能测试数据
Figure BDA0003764048280000092
结合实施例1和对比例1并结合表1、表2可以看出,相较于碱减量对涤纶纤维表面处理,采用蔗糖脂肪酸酯对涤纶纤维进行处理,其断裂强力不仅不会下降,反而会有所上升。这可能是因为在高温镶嵌的过程中,蔗糖脂肪酸酯镶嵌到涤纶纤维表面,而当温度降低时,涤纶纤维中的大分子不能很好的回到原来的状态,导致涤纶纤维在长度方向上相对缩小,涤纶纤维结晶度降低,纤维变粗,因此断裂强度会有所上升。
结合实施例1和实施例2并结合表1可以看出,采用蔗糖脂肪酸酯、茶多酚和聚乙烯醇共同处理时,耐皂洗色牢度和断裂强度均有所升高。这是由于蔗糖脂肪酸酯镶嵌于涤纶纤维之间时,茶多酚和聚乙烯醇也可黏附于涤纶纤维的表面,在为涤纶纤维提供更多的亲水基团的同时,聚乙烯醇和茶多酚所形成的亲水层也可使涤纶纤维的强度有所提高。
结合实施例2和实施例3并结合表1可以看出,在进行疏水处理的过程中,通过先加入醋酸酐再加入交联剂HD-7135的方式,其性能均有所提高,主要是由于在染色后醋酸酐可以与涤纶表面的羟基进行反应,从而提高涤纶纤维的疏水性,且交联剂的加入,也可与涤纶纤维表面的亲水基团反应,同时,可交联形成一层疏水膜,在避免小分子染料向外迁移的同时,提高了涤纶纤维的疏水性能和强度。
结合实施例4-7、对比例3-6并结合表1和表2可以看出,当分散染料为6份、匀染剂为1份时,其效果较佳。主要是由于,当分散染料的含量较少时,阴离子分散剂所包复的分散染料的含量就会减少,从而导致染色不均匀,从而使色牢度降低,而当分散染料过多时,分散剂分子与分散染料之间的“包复能”就会降低,从而使分散染料游离出来,重新聚集成更大的染料颗粒,也会导致色牢度降低。同理,当匀染剂的匀染性能较差或匀染剂含量过高时,也会导致由于染料的热凝聚而造成色泽不均匀。综上,本申请中,最佳的实施例是实施例6。
本具体实施例仅仅是对本申请的解释,其并不是对本申请的限制,本领域技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改,但只要在本申请的权利要求范围内都受到专利法的保护。

Claims (10)

1.一种高柔性涤纶沙发布,包括面料本体,所述面料本体由经线和纬线编织而成,所述面料本体的经线密度为220-240根/10cm,所述面料本体的纬线密度为120-140根/10cm,所述面料本体的经线为涤纶纱线,所述面料本体的纬线包括涤纶纱线和银纱线,所述纬线的涤纶纱线和银纱线的重量比为6-9:1,所述涤纶纱线的公制支数为60-80公支,所述银纱线的公制支数为40-60公支,其特征在于:所述面料本体由蔗糖脂肪酸酯处理后再经染色和乙酰化处理制得。
2.一种权利要求1所述的高柔性涤纶沙发布的制备方法,其特征在于,包括以下步骤:
S1、退浆处理;
S2、预定型;
S3、染色前处理;
S3.1、将步骤S2中预定型的面料本体坯布浸渍于表面整理液中,表面整理液包括10-20g/L蔗糖脂肪酸酯,浴比为1:30,调节温度为130-140℃,浸渍时间为40-60min,接着降低温度至30-40℃,处理20-30min;
S3.2、采用1-2g/L的十二烷基磺酸钠水溶液清洗步骤S3.1的面料本体坯布,接着清水冲洗、烘干;
S4、染色;
S5、疏水整理,对步骤S4中染色的面料本体坯布进行乙酰化整理;
S6、热定型。
3.根据权利要求2所述的一种高柔性涤纶沙发布的制备方法,其特征在于:所述步骤S3.1中的表面整理液,还包括1-2g/L的茶多酚和1-2g/L的聚乙烯醇混合液。
4.根据权利要求2所述的一种高柔性涤纶沙发布的制备方法,其特征在于,步骤S4染色,包括以下步骤:
S4.1、将步骤S3染色前处理的面料本体坯布浸入染液中进行染色,两浸两轧,扎液率为80%,染液PH为4-6,浴比为1:20,染色起始温度为40℃,以2℃/min的速度升高温度至80℃,接着以1.5℃/min的速度升高温度至110℃,然后以1℃/min的速度升高温度至130℃,在130℃保温染色30-40min,最后以3℃/min降低温度至80℃,取出;
S4.2、清洗步骤S4.1中染色后的面料本体坯布。
5.根据权利要求4所述的一种高柔性涤纶沙发布的制备方法,其特征在于,步骤S4.1中的染液包括4-8份分散染料、0.1-2份匀染剂、0.1-0.5防泳移剂RG-SDV、0.5-2份渗透剂JFC、1-3份络合剂EDTA四钠、2-4份冰醋酸。
6.根据权利要求5所述的一种高柔性涤纶沙发布的制备方法,其特征在于:所述涤纶匀染剂包括匀染剂JS-603和分散匀染剂GS中的一种或多种。
7.根据权利要求5所述的一种高柔性涤纶沙发布的制备方法,其特征在于,所述分散染料包括分散蓝BGL、黄棕H-2RFL、分散红玉GFL,所述分散蓝BGL、黄棕H-2RFL和分散红玉GFL的质量比为1:1:1-3。
8.根据权利要求2所述的一种高柔性涤纶沙发布的制备方法,其特征在于,步骤S5疏水整理,包括以下步骤:
S5.1、将步骤S4染色后的面料本体坯布采用1-2g/L的醋酸酐溶液处理,处理温度为40-50℃,处理时间为10-20min,浴比为1:20;
S5.2、用1-2g/L的十二烷基磺酸钠水溶液清洗步骤S5.1中的面料本体,清水冲洗、烘干。
9.根据权利要求8所述的一种高柔性涤纶沙发布的制备方法,其特征在于:所述步骤S5.1还包括以下步骤:
醋酸酐溶液处理后,升高温度至120-130℃,加入1-2g/L的交联剂HD-7135,反应5-10min后,降低温度至室温,得涤纶沙发布。
10.根据权利要求2所述的一种高柔性涤纶沙发布的制备方法,其特征在于,步骤S6热定型,包括以下步骤:
对步骤S5疏水整理后的涤纶沙发布进行热定型处理,定位温度为180-210℃,定型时间为20-90s,得成品涤纶沙发布。
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