CN101189384A - 水分芯吸短袜的去污处理 - Google Patents
水分芯吸短袜的去污处理 Download PDFInfo
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/144—Alcohols; Metal alcoholates
- D06M13/148—Polyalcohols, e.g. glycerol or glucose
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
- D06M13/217—Polyoxyalkyleneglycol ethers with a terminal carboxyl group; Anhydrides, halides or salts thereof
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/244—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons
- D06M15/256—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons containing fluorine
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
- D06M15/576—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them containing fluorine
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- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
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Abstract
公开了使用去污组合物处理的经处理的衣物,特别是白色短袜,以及用于处理所述衣物的方法。公开了在衣物和短袜结构中占主要部分的聚酯纱线来自异型截面高水分芯吸性纱线,所述衣物和短袜结构中还任选的包括其它聚酯纱线、聚酰胺纱线、棉纱和斯潘德克斯。如此构造和处理的衣物在重复的穿着和洗涤周期后表现出耐污渍再沉积性。
Description
发明领域
本发明涉及使用去污组合物(soil release composition)处理的针织袜类(hosiery),特别是短袜(socks)。所述经处理的短袜由包含聚酯以及聚酯与棉及其它纤维的聚酯共混物的纱线制成。更具体地说,所述经处理的短袜包含具有高水分芯吸能力(moisture wicking capacity)的纱线,该纱线更进一步包含具有使得水分能够移动的截面的细长丝。
发明背景
用于织物处理以防止污渍再沉积性质的组合物是公知的。这类组合物由CIBA Specialty Chemicals的欧洲专利第EP 1225269B1报道。已经表明这些组合物当用于含30-100%与聚酯或聚酰胺混合的棉的纺织品时是有效的。聚酯或聚酰胺的纯合成纤维通常也使用这类组合物处理。这里寻求的优点在于以下之一:经多个洗涤周期后增强的白色保持,以及亲水性和去污性。具有高水分芯吸能力的纱线,如在COOLMAX商标(INVISTA S.à.r.l)下出售的那些,包含具有设计为实现增强的水分移动性能的特殊截面的细聚酯长丝。这类纱线广泛用在针织袜类特别是短袜中。通常与其它纱线如棉以及与部分尼龙和斯潘德克斯结合,这类纱线在白色运动袜生产中占据一席之地。包含特殊截面纤维的织物的缺陷在于经过一定时间在重复家庭洗涤后暗淡的(dingy)外观或不太“白”的外观。这种经一定时间多次穿戴和洗涤后较差的颜色外观、缺乏崭新保持性被消费者注意到,并导致一部分向零售店的退货。
由于要求运动袜在消费者多次使用后具有高白色外观保持力,已经寻求进行处理以增强去污性。这些处理特别被寻求用于由含有聚酯纤维的纱线针织的服装和短袜,所述聚酯纤维具有目的在于增强水分移动的特定截面。这种在COOLMAX品牌下出售的短袜通过严格的水分控制标准,以符合品牌要求。这类短袜的潜在增加值可源自其对于白色外观的强化保持。
从而,存在对于开发一种既能满足工业高水分控制标准,同时又能改进颜色和崭新性保持的经改进足部衣物产品的需求。
发明概述
本发明提供一种包含至少50%聚酯复丝纱线的经处理衣物。所述复丝纱线包含具有异型单丝截面的长丝。该经处理的衣物使用含氟耐久去污组合物进行处理。所述经处理的衣物的特征在于:根据垂直芯吸测试法,毛细升高值(wicking height)至少为75毫米;按照AATCC(AmericanAssociation of Textile Chemists and Colorists)测试方法130-2000,至少为3的去污等级;和根据本文提供的污渍再沉积测试方法,在污渍再沉积方面具有至少1.0个单位的改进。所述经处理的衣物可进一步包含选自含有非异型单丝的纱线的其余纱线(a balance of yarns),所述含有非异型单丝的纱线选自天然棉纤维和合成聚合物纤维:聚酯、聚酰胺和斯潘德克斯纱线。所述经处理的衣物可进一步包括短袜或至少一双短袜。
根据本发明,进一步提供一种处理包含至少50%聚酯复丝纱线的衣物的方法,其中所述聚酯复丝纱线包含具有异型单丝截面的长丝,所述方法包括以下步骤:在含水吸尽浴(aqueous exhaustion bath)中以基于衣物重量大于5%和小于50∶1的衣物与浴比例(garments to bath ratio)实施含氟耐久去污处理;不使用插入的冲洗步骤排出所述处理浴;在转筒干燥机或等价的自动干燥机中干燥所述衣物;和在110℃-190℃温度下单独定形约60秒-约90秒的同时固化衣物。
发明详述
根据本发明的一个方面,申请人已经发现,作为在包含占主要部分的异型截面长丝纱线的衣物上的最终湿处理施加的含氟耐久去污组合物,促进了在长期洗涤周期后衣物白度和崭新外观的保持。用于这种处理方法的一种有效含氟耐久去污组合物为ZONYLSRM(CIBASPECIALTY CHEMICALS,Textile Effects,3400 WestinghouseBoulevard,Charlotte,North Carolina 28241,USA)。采用本发明方法最有效的衣物包括高含量的聚酯复丝纱线。具有低于100%聚酯的纱线的其余部分进一步包括部分棉、聚酰胺(如尼龙66和尼龙6)纱线、聚酯圆形截面长丝纱线和斯潘德克斯(如LYCRA和LYCRAT400)。高含量是指大于或等于50%和最高100%聚酯含量。这些最有效处理的聚酯纱线的长丝包含异型长丝。这里,异型长丝是指在垂直于长丝长轴方向观察时具有非圆形截面形状。一种这类异型长丝类型可在COOLMAX纱线(INVISTA,S.à.r.l.;Three Little Falls Centre,2801 Centerville Road,Wilmington,Delaware 19808 USA)中发现。COOLMAX纱线具有在每条长丝中提供“4通道(channels)”的特殊截面,并已知由于这些通道的存在而具有高效的水分芯吸性能。这些纱线的织物经过一定时间在重复家庭洗涤后,可表现出暗淡的外观或不太“白”的外观。与之相反,本文的方法及相应由其处理的产品随时间经多次穿着和洗涤后,没有这种差的颜色外观或缺乏崭新性保持。
更通常地,本发明提供一种包含至少50%聚酯(来自聚对苯二甲酸乙二醇酯合成聚合物)复丝纱线的经处理的衣物。所述复丝纱线包含具有异型单丝截面的长丝。所述经处理的衣物使用含氟耐久去污组合物ZONYLSRM进行处理。所述经处理的衣物特征在于:根据垂直芯吸测试法,毛细升高值至少为75毫米;按照AATCC测试方法130-2000测量,去污等级至少为3;和根据本文提供的污渍再沉积测试方法,在污渍再沉积中具有至少1.0个单位的改进。所述经处理的衣物可进一步包括选自天然棉纱;非异型单丝聚酯、聚酰胺和斯潘德克斯纱线的其余纱线。所述经处理的衣物可进一步包括短袜或至少一双短袜。更通常地,本文的处理用于具有主要为白色视觉美感的短袜。
根据本发明提供的方法处理包含至少50%聚酯复丝纱线的衣物,所述聚酯复丝纱线包含异型单丝,并包括以下步骤:在含水吸尽浴中以基于衣物重量大于5%和小于50的衣物与浴之比实施含氟耐久去污处理;不使用插入的冲洗步骤排出所述处理浴;在转筒干燥机或等价的自动干燥机中干燥所述衣物;和在110℃-190℃温度下单独定形约60秒-约90秒的同时固化衣物。该方法有效地促进长期洗涤周期后的白度保持。所述白度保持性质采用标准洗涤方案和合成标准化“污渍”证实。该测试方法测量经处理的织物表现出清洁且不暗淡以及在织物上没有源自洗涤水的污渍再沉积的性质。该经处理的衣物还满足根据AATCC测试方法130-2000测量至少为3的去污要求。该经处理的衣物同样也符合在“定型(boarding)”或固化工艺期间对于“白度”保持的严格要求,和严格的水分控制标准。该水分控制标准采用本领域公知的用于这类针织袜类(短袜)产品的125mm(5英寸)水毛细升高值和5平方厘米扩展面积测量。此外,这种织物处理益处的保持是耐久的。耐久意味着所述处理益处能够在采用标准去污试验的长期洗涤周期后保持。通常,这些去污试验基于污渍再沉积,和玉米油及矿物油从衣物织物上的脱除。
测试方法
拒油性(oil repellency)
拒油性等级根据American Association of Textile Chemists andColorists(AATCC)的标准测试方法118-2002测定。拒油性通过将不同表面张力的烃液滴置于织物上,然后目视测定表面润湿程度来测定。该测试测定经整理的织物耐油污染和有机液体润湿的水平。通常,该拒油性等级越高,经整理的织物对油性物质污染的耐性越好。标准测试液体列于表2中。
表2.标准拒油性测试液体
等级 | 烃 | 25℃表面张力(77)(dyn/cm) |
1 | 精制矿物油 | 31.0 |
2 | 21℃(70)65/35体积%的精制矿物油/正十六烷 | 29.2 |
3 | 正十六烷 | 27.3 |
4 | 正十四烷 | 26.2 |
5 | 正十二烷 | 24.6 |
6 | 正癸烷 | 23.6 |
取决于织物的整理、纤维或结构,可出现不同类型的润湿。对于许多织物,由于所述织物完全抵抗被一种测试液所润湿,但能够为下一种液体立即渗透,因而端点等级是显而易见的。然而,对于某些织物,端点确定较为困难。如由在液体/织物界面处织物的局部变暗(darkening)所显示的那样,这些织物对于几种测试液体表现出渐进的润湿。在黑色或深色织物上,润湿可通过液滴中“闪光(sparkle)”消失来检测。对于端点难于测定的织物,端点被认为是在30秒内在界面处导致完全变暗的测试液体。
将织物样品面向上放置于静置于水平表面上的白色吸墨纸上。从1级测试液体开始,在测试织物的五个位置上施加标准测试液体液滴。每个液滴具有约5mm的直径或0.05毫升的体积。由约45°角观测液滴30秒。如果5个液滴中至少3个没有观测到润湿或渗透织物,并且没有表现出在所述液滴周围的毛细作用,则使用2级测试液体在邻近的位置重复该试验。持续这个过程,直至5个液滴中至少3个润湿或表现出在30秒内芯吸进入该织物中。所述织物的AATCC拒油性等级确定为5个液滴中至少3个液滴没有润湿或芯吸进该织物中的最高编号的液体。可以给出半点等级,例如对于以边界情况通过测试液体5评级为4.5。以边界情况通过的例子为其中5个液滴中的3个或更多是圆形的,但在液滴边缘附近存在样品的部分变暗。在美国,普遍接受的拒油性水平为3级。去污等级
AATCC去污等级根据American Association of Textile Chemists andColorists(AATCC)标准测试方法130-2000测定。将织物样品平放在置于平滑水平面上的新AATCC织物吸墨纸上。将5滴MAZOLA玉米油(ACH Food Companies Inc.)液滴(总计0.2毫升)置于织物表面上,形成一个单一污点。然后将一片玻璃纸放置在该油滴上,并在该玻璃纸上直接放置2.27kg(5lb)砝码60秒。除去该砝码和玻璃纸,然后将该织物样品在KENMORE自动装置中在常规洗涤周期中以高水位使用100克AATCC 1993标准参比洗涤剂WOB洗涤12分钟。洗涤温度为60℃,冲洗温度为冷水。装载物总重为4lb。最终甩干周期后,将全部装载物放置在KENMORE自动干燥机中,在高温下干燥45-50分钟。
去污等级通过将所述被污染、洗涤并干燥的织物水平放置在一边与Stain Release Replica(订购编号08379,由AATCC获得)接触的无闪光沥青质桌(blacktop table)上测定。从约76cm(30英寸)的距离观察该织物,并将残余污渍与所述Stain Release Replica比对至最接近的0.5等级。等级在1(最小)-5(最大)之间给出。在美国,普遍接受的去污等级为3级。
芯吸试验方法
本发明纱线的水分芯吸性能采用公知方法测定,如通过垂直芯吸试验或水平芯吸试验。所述垂直芯吸试验可通过将纱线编织成管,然后用任何期望的试剂冲洗或处理所述管并使经处理的管空气干燥来实施。然后将所述管切成1英寸(25.4)宽、约8英寸(203mm)长的带,垂直悬挂在水上且有3英寸(75mm)在水中,5英寸(125mm)在水上。目视观测在预定时间如1分钟、5分钟、10分钟、20分钟和30分钟水被芯吸到该带上的高度。
织物的独立氟重量百分数(individual fluorine percent on weight of fabric)
织物的氟重量百分数,表示为%owfF,按如下方式确定。织物上的氟,这里表示为FFAB,采用公知的Wickbold torch法以每百万份的份数(ppm)测量。然后将该值除以表示为FFC的含氟化合物中氟的重量百分数,以得到对于该含氟化合物织物的氟重量百分数:
%owfF=FFAB/FFC
当使用多于一种含氟化合物时,织物的总氟重量百分数通过对于所有使用的含氟化合物加合织物的独立氟重量百分数得到。
污渍再沉积洗涤
使用“Lab-Line”提取混合器,制备1%或2%的DuPont标准干燥污渍(Standard Dry Soil)在1升(L)室温去离子(DI)水中的分散溶液。切取75mm×75mm(3″×3″)的织物样品。将污渍溶液加入分液漏斗中,并将织物样品置于漏斗内,最多每个漏斗中放置6个样品。在每分钟20个周期的设定下搅拌15分钟。将污渍溶液排入1L烧杯中并丢弃。用去离子(DI)水冲洗漏斗,以除去漏斗壁上的残余污渍并排干。向分液漏斗中加入1L 40℃的DI水。添加2.1克TIDEFree粉末洗涤剂。在每分钟20个周期的速率设定下搅拌15分钟。将洗涤水排入1L烧杯中并丢弃。向漏斗中加入1L 40℃的DI水,并在每分钟20个周期的速率设定下搅拌10分钟。排干冲洗水并丢弃。加入1L室温DI水,并在每分钟20圈的速率设定下搅拌10分钟。排干冲洗水并丢弃。取出样品并挤压以除去过量的水。空气干燥最少8小时或直至干燥。根据Gray Scale,AATCCEvaluation Procedure 2评价样品。
在水中分散“干燥污渍”的步骤。所述分散的DuPont污渍溶液采用Research Model 01 Szegvari Attritor System制备。制备一种80%水/20%DuPont干燥污渍的溶液。该步骤在40psi操作压力和600rpm轴速度下使用2lbs 2mm硅酸锆研磨介质进行2小时。
DuPont标准干燥污渍**
组分 | CAS号 | Wt% |
泥炭沼(peat moss)水泥高岭土,最优级(peerless)无定形二氧化硅矿物油炭黑氧化铁红 | -65997-15-11318-74-77631-86-98012-95-11309-37-1 | 381717178.751.750.50 |
**DuPont标准干燥污渍可由Textile Innovators Corporation,101 Forest st.,Windsor,NC 27983,USA(252-794-9703)购得-根据AATCC地毯污渍测试方法制备的合成污渍。
实施例
在本发明的一个实施例中,短袜样品采用以下结构细节编织:80%COOLMAX(729W型)和20%面子纱,所述面子纱在短袜顶部由以70旦尼尔34长丝的尼龙66与40旦尼尔13长丝的尼龙66双层包覆的120旦尼尔LYCRA(902C)组成,和在短袜底部以用2层70旦尼尔68长丝的尼龙66空气喷射包覆的18旦尼尔LYCRA组成。
在一个对比实施例中,短袜样品采用以下结构细节编织:63%COOLMAX(729W型)(50/50棉共混物),和37%的面子纱,该面子纱是以2层70旦尼尔68长丝尼龙66长丝纱线空气喷射包覆的18旦尼尔LYCRA斯潘德克斯。
所有发明实施例的短袜均按照以下方案整理:首先,在70℃下用0.5克/升的Merol HCS(购自Stepan CO,22 West Frontage Road,Northfield,Illinois 60063)、0.5g/l磷酸三钠和0.5g/l Lubit 64(Lanxess Corp.111 RIDC Park West,Pittsburgh,Pennsylvania)预洗涤15分钟;然后水洗(2次);加水至40/1的浴比;基于物品重量(衣物重量)的最小5%(最高10%)添加ZONYLSRM;用醋酸调节pH至5.5;搅拌下加热该浴至43℃并保持20分钟;排出所述浴;不冲洗衣物并随后滚筒干燥。采用标准定形技术在160℃下独立地定形所述衣物90秒,以保证产品固化在衣物上。
所有对比实施例的短袜采用以下方案整理:首先,在70℃下用0.5克/升的Merol HCS、0.5g/l磷酸三钠和0.5g/l Lubit 64预洗涤15分钟;添加3%的PERMALOSETM;用醋酸调节pH至6.0;搅拌下加热该浴至60℃并保持10分钟;排出所述浴;不冲洗衣物并随后滚筒干燥。采用标准定形技术在140℃下独立定形所述衣物60秒。
对比实施例和发明实施例的短袜均符合至少75mm的垂直水上升水分芯吸标准。
污染等级在下表1和2中给出。灰度(Gray Scale)等级表明白色短袜的相对“暗淡度(dinginess)”。本发明实施例在使用ZONYLSRM处理并以1%或2%污染的污渍试验测试的情况下,本发明实施例均优于对比实施例。
表1
使用1%DuPont污渍溶液 | |
80%COOLMAX短袜 | 灰度等级 |
对比实施例 | 3.5 |
以5%ZONYLSRM处理 | 4.5 |
以10%ZONYLSRM处理 | 4.5 |
表2
使用2%DuPont污渍溶液 | |
80%COOLMAX短袜 | 灰度等级 |
对比实施例 | 3.5 |
以5%ZONYLSRM处理 | 4.5 |
以10%ZONYLSRM处理 | 4.5 |
Claims (4)
1.一种包含至少50%聚酯纱线的经处理的衣物,其中所述纱线包含具有异型单丝截面的长丝,和其中所述衣物使用含氟耐久去污组合物处理,和其中所述经处理的衣物具有至少75毫米的毛细升高值和至少3的污渍再沉积等级。
2.权利要求1的经处理的衣物,包括选自包含非异型单丝的纱线的其余纱线,所述包含非异型单丝的纱线选自天然棉纤维和合成聚合物纤维:聚酯、聚酰胺和斯潘德克斯纱线。
3.权利要求1的经处理的衣物,包括短袜。
4.一种处理包含至少50%聚酯复丝纱线的衣物的方法,所述聚酯复丝纱线包含具有异型单丝截面的长丝,该方法包括以下步骤:
在含水吸尽浴中以基于衣物重量大于5%和小于50∶1的衣物与浴比例实施含氟耐久去污处理;
不经冲洗排出所述浴;
在转筒干燥机中干燥所述衣物;和
在110℃-190℃温度下单独固化所述经定形的衣物约60秒-约90秒。
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