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Low Temperature Bleaching (LTB): A Sustainable Wet Processing Technique 低温漂白:一种可持续的湿法加工技术
Pub Date : 2018-02-28 DOI: 10.4172/2165-8064.1000341
Salauddin Sk
Bleaching is the first step of textile wet processing. For successful dyeing in the subsequent process; proper bleaching is a must that’s why bleaching is called the heart of textile wet processing like carding is the heart of spinning. commercial bleaching is done all over the world generally in boiling or near boiling temperature that is 98°C to 105°C. But in this case the cellulose loses its strength significantly as the degree of polymerization (DP)decreases due to breakage of cellulose chain. To overcome this problem new technology has developed where bleaching can be done at 70°C. In our study we found that there are several advantages of low temperature bleaching over high temperature bleaching-lower damage of cellulose chain, less processing time, lower energy consumption, lower amount of dyes consumption to produce same depth, lower amount of auxiliaries needed. No negative effect on overall quality test results. So it is observed that low temperature bleaching has outstanding advantages over high temperature.
漂白是纺织品湿法加工的第一步。为后续工序染色成功;适当的漂白是必须的,这就是为什么漂白被称为纺织品湿法加工的心脏,就像梳理是纺纱的心脏一样。世界各地的商业漂白通常在沸点或接近沸点的温度下进行,温度为98°C至105°C。但在这种情况下,由于纤维素链断裂,聚合度(DP)降低,纤维素的强度明显下降。为了克服这个问题,人们开发了一种新技术,可以在70°C下进行漂白。在我们的研究中,我们发现低温漂白比高温漂白有几个优点:纤维素链的破坏更小,加工时间更短,能耗更低,产生相同深度的染料消耗更少,所需的助剂量更少。对整体质量测试结果无负面影响。由此可见,低温漂白比高温漂白有明显的优点。
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引用次数: 0
Textile CAD Analysis for Warp and Weft Patterning 经纬图案的CAD分析
Pub Date : 2018-02-19 DOI: 10.4172/2165-8064.1000332
S. Islam
The aim of this paper is to do patterning in both warp and weft direction against Computer Aided Design for a woven fabric. Patter design is given by the buyer to the fabric manufacturer to make a yarn dyed fabric where the original design or color patter will be reflected in the fabric that will be made. How many yarns will be needed in warp direction and how many yarns will be needed in weft direction that is also shown in this project. This project work is not only a paper work but also a practical solution for the textile learners, designers, fabric developer and also to many textile experts. Textile design CAD contains, the pattern design of the fabric, that is given by the buyer, to the fabric manufacturer, to produce a fabric, where in fabric, will have the actual and exact appearance and look, as like as the CAD. Textile patterning CAD analysis is a step by step examine on original CAD. Actually, textile CAD analysis is the methodical calculating-inspection on CAD, for setting up the pattern design of paper into a fabric, through longitudinal and transverse direction of fabrics. The courses of actions those are applied by the engineers during CAD analysis has been stated in this paper.
本文的目的是利用计算机辅助设计方法对织物进行经纬方向的图案设计。图案设计是由买方提供给面料制造商制作色织面料,原始的设计或颜色图案将体现在将要制作的面料上。在经纱方向上需要多少支纱,在纬纱方向上需要多少支纱,这也在这个项目中显示出来。该项目工作不仅是一份书面工作,而且是纺织学习者、设计师、面料开发人员以及许多纺织专家的实际解决方案。纺织品设计CAD包含,面料的图案设计,即由买方提供给面料制造商,以生产出一种面料,在面料中,将具有实际和准确的外观和外观,就像CAD一样。纺织品图案CAD分析是在原有CAD基础上逐步进行的检验。纺织品CAD分析实际上是通过织物的纵向和横向,将纸上的图案设计建立在织物上,在CAD上进行有条不紊的计算和检验。本文阐述了工程师在进行CAD分析时所采取的行动过程。
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引用次数: 3
Fabric Designing for Product Development by Combination of Weaves through CAD 基于CAD的织物组合设计与产品开发
Pub Date : 2018-02-13 DOI: 10.4172/2165-8064.1000343
Neelam Saini, S. Yadav, Rose Mn
CAD plays an important role in creation of new designs and the production processes in fast changing global trade. Computer Aided Textile Designing software is the new concept for designing in less time of today’s era. Computers help to work easily in a short duration and more work with more production also. The application of Computer Aided Designing software is used in fields of weaving, fashion, embroidery, apparels, printing and knitting. Different weave patterns as well as combination of two or more weaves in development of products are created by Corel DRAW. The present study was conducted in Hisar and Panipat city. Different weave patterns were created through Corel DRAW. Total of eleven different weaves were created. Out of eleven top ranked three weaves were selected for creation of weave combination designs. Total thirty weave combination designs were created. Out of thirty designs top ranked six designs were selected on the basis of experts’ preferences. These six designs were selected for preparation of fabrics with different weave combination designs and color combination suitable for the development of the products. Thus, the prepared fabric used for the development of apparels.
在快速变化的全球贸易中,CAD在创造新设计和生产过程中发挥着重要作用。计算机辅助纺织品设计软件是当今时代设计的新概念,在更短的时间内进行设计。电脑有助于在短时间内轻松工作,也有助于更多的工作和更多的生产。计算机辅助设计软件应用于纺织、服装、刺绣、服装、印刷、针织等领域。Corel DRAW在产品开发中创造了不同的编织图案以及两种或两种以上编织的组合。本研究是在希萨尔和帕尼帕特市进行的。通过Corel DRAW创建不同的编织图案。总共创造了11种不同的编织。从排名前11位的织物中选出3种织物进行织物组合设计。共创建了30种编织组合设计。在排名靠前的30个设计中,有6个设计是根据专家的喜好选出的。选择这6种设计,制备适合产品开发的不同组织组合设计和颜色组合的织物。因此,所制备的织物用于服装的开发。
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引用次数: 0
Textile Performance of Functionalized Cotton Fiber with 3-Glycidoxypropyltriethoxysilane 3-缩水氧基丙基三乙氧基硅烷功能化棉纤维的纺织性能
Pub Date : 2018-02-05 DOI: 10.4172/2165-8064.1000337
M. I. H. Mondal, Md. Khademul Islam, F. Ahmed
The surface modification of cotton fiber was successfully carried out by condensation polymerization with 3-glycidoxypropyltriethoxysilane (GPTES) in an ethanol-water medium. The purpose was to enhance the tensile strength and softness properties of the cotton, by introducing a more flexible Si-O bond between the silane coupling agents and the cotton fiber. The moisture absorption of modified cotton fiber is lower than the raw cotton fiber. The swelling behaviour of modified cotton fiber was decreased in the polar solvents, whereas swelling increased in nonpolar solvent. The FTIR spectra showed two additional peaks at 860 cm-1 (Si-OH symmetric stretch) and 1207 cm-1 (Si-O-C bending) respectively as a function of silane absorption by the fiber surface. Scanning electron microscopy (SEM) coupled with X-ray diffraction (XRD) was studied to identify the surface morphology and the structural characteristics of the raw and modified fibers respectively. The absorption of reactive brown 10 and reactive orange 14 by the modified fiber was comparatively higher than untreated cotton fiber. Color fastness of raw and modified fibers to spotting with soap washing, sunlight, acids and alkalis have been studied.
在乙醇-水介质中,用3-缩水氧基丙基三乙氧基硅烷(GPTES)进行缩聚,成功地对棉纤维进行了表面改性。目的是通过在硅烷偶联剂和棉纤维之间引入更灵活的Si-O键来提高棉花的抗拉强度和柔软性。改性棉纤维的吸湿性低于原棉纤维。改性棉纤维在极性溶剂中的溶胀性减弱,而在非极性溶剂中的溶胀性增强。FTIR光谱在860 cm-1 (Si-OH对称拉伸)和1207 cm-1 (Si-O-C弯曲)处显示出两个额外的峰,这是纤维表面硅烷吸收的函数。利用扫描电子显微镜(SEM)和x射线衍射仪(XRD)对原纤维和改性纤维的表面形貌和结构特征进行了表征。改性棉纤维对活性棕10和活性橙14的吸收率高于未处理棉纤维。研究了原料纤维和改性纤维的皂洗、日光、酸、碱染色牢度。
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引用次数: 6
A Step-by-Step Chemical Recipe to Dye Commercial Cotton with Natural Indigo Dyes in an Open Bath for the Beginners and Artisans 一个循序渐进的化学配方染色商业棉花与天然靛蓝染料在一个开放的浴为初学者和工匠
Pub Date : 2018-02-02 DOI: 10.4172/2165-8064.1000336
I. Shuvo
With the emergence of the need for natural bio-based chemical dyed wearable substrates, such as apparel or textiles, the demand for value-added craftsmanship induced on apparel or textiles is also on the rise. Local artisans are also exporting their value-added apparel products by diversifying their product range creating more local employment. Nowadays global retail fashion houses are also introducing naturally dyed wearable substrates for the increasing consumer demand for eco-friendly green products and concerns with global climate change. Small and medium entrepreneurs (SMEs) or artisans are also keeping pace with this new trend of offering such natural dyed products to the consumers. Therefore, this has created a new space for local artisans to produce various designs using natural dyes. The natural indigo dyed product is in great demand in the high-end fashion retail houses as well as in boutiques. However, little knowledge is available for the artisans to apply indigo vat dyes naturally extracted from the leaves of Indigofera tinctoria plants, because of the lack of technical knowledge, complications of chemical recipe parameters, zero access to expensive heavy industrial machinery. Therefore, an attempt was taken to formulate an easy chemical recipe to dye cellulosic cotton fabric with natural indigo dyes without the need of any industrial dyeing machinery as well as conforming proper fastness to rubbing and washing, which are basically the major concerns for any vat dyed commercial products to meet the export demand. The chemicals used for this recipe formulation are also commercially available and cheap, making it an appropriate choice for local artisans to use and sell their finished end-product to exportable markets. The most important finding was the effect of vatting temperature to act as a major player to form water-soluble leucoindigo vat dyes from their insoluble solid dye state. Azo test was also conducted to confirm the absence of any carcinogenic amine containing any azo functional group that is harmful to the skin. Additionally, two different temperatures, such as 23oC and 30oC was used to produce the vatting recipe required for successful dyeing within 5 minutes at a lower temperature of 40°C, which will not cost any additional expenditure for the local artisans as they can produce this fermented vat on normal atmospheric conditions.
随着对天然生物基化学染色可穿戴基材(如服装或纺织品)的需求的出现,对服装或纺织品的增值工艺的需求也在上升。本地工匠也通过产品种类多样化,出口增值服装产品,创造了更多的本地就业机会。如今,全球零售时装公司也在推出自然染色的可穿戴基板,以满足消费者对环保绿色产品日益增长的需求,并关注全球气候变化。中小型企业家或工匠也跟上了向消费者提供这种天然染色产品的新趋势。因此,这为当地工匠创造了一个使用天然染料制作各种设计的新空间。天然靛蓝染色产品在高档时装零售店和精品店都有很大的需求。然而,由于缺乏技术知识,化学配方参数复杂,无法获得昂贵的重工业机械,工匠们几乎没有知识来应用从靛蓝植物叶子中自然提取的靛蓝还原染料。因此,本文试图制定一种简便的化学配方,使纤维棉织物在不需要任何工业染色机械的情况下,用天然靛蓝染料染色,并符合适当的摩擦牢度和洗涤牢度,这基本上是任何还原染色商业产品满足出口需求的主要关注点。这种配方中使用的化学品也可以在市场上买到,价格便宜,使其成为当地工匠使用并向出口市场销售成品的合适选择。最重要的发现是发蜡温度的影响,是形成水溶性白靛蓝还原染料的主要因素。还进行了偶氮测试,以确认不存在任何含有偶氮官能团的致癌胺,对皮肤有害。此外,还使用了两种不同的温度,如23℃和30℃,在较低的40℃温度下,在5分钟内成功染色所需的发酵液,这对当地工匠来说不会产生任何额外的支出,因为他们可以在正常大气条件下生产这种发酵大桶。
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引用次数: 3
Appraising Variations in Climate Change Parameters Along the Lower West African Region 评估下西非地区气候变化参数的变化
Pub Date : 2018-02-01 DOI: 10.5923/j.safety.20180701.01
E. Merem, Y. Twumasi, J. Wesley, P. Isokpehi, S. Fageir, M. Crisler, C. Romorno, A. Hines, G. S. Ochai, S. Leggett, E. Nwagboso
Narrow minded skeptics in the twenty first century deny the existence of climate change and the resultant risks threatening the welfare of cities through the destruction of properties, displacement and environmental degradation. The global climate change concern is now more important than ever in the sub Saharan African region of West Africa where the vulnerabilities remain obvious. Accordingly, in the last several years, the lower West African region continues to be an epicenter of inclement weather hazards. For that, there exists mounting evidence of risks based on recurrent challenges triggered by surge in extreme climate parameters in the savannahs, the tropical moist areas and the coastal landscapes in Nigeria, Benin, Togo, Ghana, Ivory Coast and Senegal. In these areas of the West Africa region, climate change parameters such as droughts, flooding, storm surge, and elevated temperature and greenhouse gas emissions continue to threaten the surrounding ecology. Just as climate hazards have captured the attention of various scholars in other areas, very little has been done to study the area despite its vulnerability to sea level rise, torrential rainfalls, coastal inundation and storm surge. In all these, the projected climate change trends point to continual dispersion of elevated temperature and evidence of harsh weather conditions all through the region. With the gravity of the hazards now obvious, this research fills that void in the literature, by analyzing climate change parameters threatening the study area with the use of mix scale methods of GIS, secondary data, and descriptive statistics with focus on the trends, factors, impacts and efforts of the institutions. Taking a cue from the analysis, the results show the prevalence of climate change risks and impacts in the form of flooding hazards, droughts, greenhouse gas emission, sea level rise, pollution, environmental degradation and displacement of citizens. With the impacts attributed to socio-economic and physical elements, the GIS mapping reveals a gradual spreading of climate change hazards under different scales to various areas across the region from Nigeria to Senegal. To remedy the issue, the paper proffers some suggestions such as the need for adaptation, the design of efficient planning and policy in the region.
在21世纪,心胸狭窄的怀疑论者否认气候变化的存在,以及由此产生的破坏财产、流离失所和环境恶化等威胁城市福利的风险。在西非撒哈拉以南非洲地区,全球气候变化问题现在比以往任何时候都更加重要,因为该地区的脆弱性仍然很明显。因此,在过去几年中,西非下游地区继续成为恶劣天气灾害的中心。为此,有越来越多的证据表明,在尼日利亚、贝宁、多哥、加纳、科特迪瓦和塞内加尔的热带大草原、热带潮湿地区和沿海景观中,极端气候参数激增引发的周期性挑战引发了风险。在西非地区的这些地区,干旱、洪水、风暴潮、气温升高和温室气体排放等气候变化参数继续威胁着周围的生态。正如气候灾害引起了其他地区众多学者的注意一样,尽管该地区容易受到海平面上升、暴雨、沿海洪水和风暴潮的影响,但对该地区的研究却很少。在所有这些情况下,预测的气候变化趋势表明,整个地区的气温升高和恶劣天气条件持续分散。在灾害严重程度明显的情况下,本研究利用GIS、二手数据和描述性统计的混合尺度方法,对研究区域的气候变化威胁参数进行分析,重点分析研究区域的趋势、因素、影响和机构的努力,填补了这一文献空白。根据分析结果,结果显示气候变化风险和影响的普遍性,表现为洪涝灾害、干旱、温室气体排放、海平面上升、污染、环境退化和公民流离失所。由于社会经济和自然因素的影响,地理信息系统地图显示气候变化危害在不同尺度上逐渐蔓延到从尼日利亚到塞内加尔的各个地区。为了解决这一问题,本文提出了一些建议,如适应的必要性,设计有效的规划和政策在该地区。
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引用次数: 6
Information Sharing along the Global Textile Supply Chain for Maximizing their Added Values 全球纺织品供应链信息共享,实现附加值最大化
Pub Date : 2018-01-30 DOI: 10.4172/2165-8064.1000334
I. Shuvo
Information flows within global textile supply chains and between supply chains stakeholders should be suppressed as much as possible so as to maximize the added value of textile products when they move along the supply chain process. However, information flows between supply chain stakeholders with their corresponding distinct supply chains should not be suppressed in order to make sure that the supply meets the demand effectively and efficiently. Because stakeholders reduce the bullwhip effect by ordering the commercial textiles’ consignments based on the demand order sizes which they get from their downstream firms by means of information sharing technology. Out of many reengineering efforts taken by many textile supply chain giants to improve their supply chain operating efficiencies, information sharing between partners is one key initiative and sharing sales information is a significant strategy to counter bullwhip effect. Hence, it is high time; textile scientist as well as the merchandisers gave thought in this segment of global textile supply chain and maximized the revenue by means of information sharing from backward linkage industries to forward linkage industries.
尽可能抑制全球纺织品供应链内部和供应链利益相关者之间的信息流动,使纺织品在供应链过程中增值最大化。然而,供应链利益相关者与其相应的不同供应链之间的信息流不应被抑制,以确保供应有效地满足需求。因为利益相关者通过信息共享技术,根据从下游企业获得的需求订单大小来订购商用纺织品,从而减少了牛鞭效应。在许多纺织供应链巨头为提高供应链运营效率而采取的诸多重组措施中,合作伙伴之间的信息共享是一项关键举措,而销售信息共享是对抗牛鞭效应的重要策略。因此,是时候了;纺织科学家和跟单商都在全球纺织供应链的这一环节进行思考,通过后向联动产业与前向联动产业的信息共享,实现收益最大化。
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引用次数: 1
Comparative Study between the Characteristics of the Egyptian and the Sudanese Cotton Knitted Fabrics 埃及和苏丹棉针织织物特性的比较研究
Pub Date : 2018-01-20 DOI: 10.4172/2165-8064.1000330
A. Fouda, E. Am
Due to the spread of the Egyptian cotton substitutes (the Greek and the Sudanese); this study aims at evaluating the characteristics of the single jersey knitted fabrics produced from these cotton types. Moreover, to evaluate the extent of the change in these characteristics as the fabric cost decreases. Single Jersey knitted fabrics were produced with the same stitch length, but from different cotton yarns; Egyptian (Giza 86), Sudanese (Acala), and Egyptian/ Sudanese blend 50:50, and by using three levels of yarn twist factor. Several fabrics characteristics were tested such as color characteristics and color fastness to washing, perspiration, and abrasion. The moisture management properties were measured and the results showed that the Egyptian cotton fabrics exhibited a significant improvement in terms of the overall moisture management, the weight of square meter, a slight improvement in the shrinkage and some color properties. However, the results showed the insignificant effect of cotton type or yarn twist factor used on the color fastness properties.
由于埃及棉花替代品(希腊和苏丹)的传播;本研究的目的是评价用这些棉种生产的单件针织棉织物的性能。此外,为了评估这些特性的变化程度随着织物成本的降低。以不同棉纱为原料,以相同的针长生产单件针织针织物;埃及(吉萨86),苏丹(阿卡拉),和埃及/苏丹50:50混纺,并通过使用三个级别的纱线捻度因子。测试了几种织物的特性,如颜色特性和耐洗涤、耐排汗、耐磨损的色牢度。对埃及棉织物的吸湿性能进行了测试,结果表明,埃及棉织物在整体吸湿性能、平方米重量、收缩率和部分颜色性能方面均有明显改善。结果表明,棉种和纱线捻度对织物色牢度的影响不显著。
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引用次数: 3
A Novel Fluorescent Disperse Dye based on N-Polyamidoamine Dendrimer-1,8 Naphthalimide: Synthesis, Characterization and Dyeing Properties on Polyester Fibres 新型n -聚酰胺树突状-1,8萘酰亚胺荧光分散染料的合成、表征及对聚酯纤维的染色性能
Pub Date : 2018-01-01 DOI: 10.4172/2165-8064.1000363
M. Dodangeh, M. Mohammadian, S. Aryabadie
Polyamidoamine dendrimer of zero generation was prepared by a divergent synthesis scheme using the reagent excess method starting from ethylenediamine by consecutive Michael addition and ester amidation reaction. In order to obtain the fluorescent dye, the amino end groups of synthesized dendrimer were reacted with 4-amino- 1,8-naphthalimide via aromatic nucleophilic substitution reaction. The chemical structures of prepared dye and its corresponding intermediates were studied by FTIR, 1HNMR, 13CNMR and UV-Visible spectroscopic techniques. Synthesized dye was applied as a disperse dye on polyester fabric by high temperature exhaustion dyeing and relevant characteristics of dyed fabrics including dye ability, build up, wash and light fastness were evaluated. Also the position of color in CIELAB coordinates (L*, a*, b*, h°, C*) was assessed.
以乙二胺为起始原料,采用试剂过量法,经连续迈克尔加成和酯酰胺化反应,采用发散合成方案制备了零代聚氨基胺树状大分子。为了获得荧光染料,将合成的树状大分子的氨基端与4-氨基- 1,8-萘酰亚胺通过芳香亲核取代反应进行反应。用FTIR、1HNMR、13CNMR和紫外可见光谱技术研究了所制染料及其中间体的化学结构。将合成染料作为分散染料应用于涤纶织物的高温耗尽染色,并对染色织物的染色性能、起色性、洗涤性和耐光性进行了评价。还评估了颜色在CIELAB坐标(L*, a*, b*, h°,C*)中的位置。
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引用次数: 4
Design and Development of Product Data Management (PDM) For Textile Company 纺织企业产品数据管理(PDM)的设计与开发
Pub Date : 2018-01-01 DOI: 10.4172/2165-8064.1000370
S. Abdissa, A. Worku, C. Shekar
Information technology is involving in various field of study. Apparel and textile manufacturing IT is used in to two ways. The first case is IT used to manage, guide, control and support in automating different machine types, and the second one IT is used as information communication and management tool in the company. Current Textile and Garment factories are partly trying to use semi-automatic and full automatic machines for production, but the extent of applying effective data organization administration system is very low [1].
信息技术涉及到各个研究领域。服装和纺织制造业的信息技术有两种用途。第一个案例是IT用于管理、指导、控制和支持不同类型机器的自动化,第二个案例是IT用于公司内部的信息沟通和管理工具。目前部分纺织服装厂正在尝试使用半自动和全自动机器进行生产,但应用有效的数据组织管理系统的程度很低[1]。
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引用次数: 2
期刊
Journal of Textile Science & Engineering
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