真丝绸硫化染料染色工艺探讨

探讨了真丝绸硫化染料染色中碱剂，还原剂，氧化剂、温度、时间等因素对染色结果的影响，比较了硫化染料在真丝绸及棉织物上的染色效果。试验表明，在弱碱性条件下，真丝绸用硫化染料染色的效果类似于还原染料，是真丝绸中深色染色色鲜、牢度好、价格低的一条途径。     

环保型硫化染料在牛仔布染色中的应用

环保型硫化染料的出现,使牛仔布的染色克服了因天然靛蓝资源有限、合成靛蓝染料及普通硫化染料又对环保有害的种种尴尬,为牛仔布的开发作出了贡献。文章重点介绍了环保型硫化染料的种类、性能以及用于牛仔布经纱染色的工艺方法,并对牛仔布的染色设备作了阐述。     

试论液硫化染料卷染工艺

本文论述了液体硫化染料的性能，染色工艺，并从理论上阐述了与粉状硫化染料染色工艺的不同点。通过试验与生产实践，事实证明，液体硫化染料性能稳定，工艺流程短，应用方便。得色浓艳，拼色容易，染色效果统一，可代替部分还原当杰和活性染料，特别适用于卷染机生产。     

WLS-20在硫化染料染色棉织物固色中的应用效果评定

用自制阳离子化羽毛蛋白助剂WLS-20对棉织物进行浸渍改性后用硫化染料染色,对比了改性与未改性棉织物的染色性能,再用此助剂对改性与未改性染色棉织物进行固色处理。在前期研究的基础上,再用此助剂对不同硫化染料用量和不同种类硫化染料染色的改性与未改性棉织物进行固色后处理,评定了WLS-20在硫化染料染色棉织物固色中的应用效果。结果表明:与未改性棉织物相比,染品在染料用量相同时,WLS-20改性棉织物比普通棉织物得色更深,经WLS-20助剂固色处理,皂洗时白布的沾色明显减少,染色织物的耐摩擦牢度、耐洗色牢度提高0.5~1级。可见,WLS-20助剂是一种多功能助剂,既能作为纤维改性剂,又可作为染色织物的固色剂。     

解决海昌蓝在42支棉毛中的色花和色差问题

硫化还原染料即海昌染料,其分子结构和一般硫化染料有相似之处,染色性能介于硫化染料和还原染料之间。染后各种牢度比一般硫化染料好(特别是耐氯牢度),而且色泽鲜艳。硫化还原染料的缺点是染色坯布上有严重的色条、色块,湿摩擦牢度较差。     

“调节系数”法在硫化卷染小样放大样中的应用

随着市场经济的发展，染色产品越来越趋向于小批量、多品种，硫化染料卷染有利于这种生产，但存在一定的问题。关键一点就是在小样放大样过程中，试样次数太多、效率低，制约着生产。以纯棉灯芯绒织物为例：如一颜色订单为3000米．按试色三次每次300米计算，则试色布900米。费工费时费料，所以提高试样准确程度是提高效率的关键所在。根据生产经验，我厂一般采取“调节系数法”。取得了较好的效果。具体内容如下：设A、B、C为某色拼色用的三只硫化染料：若想使试样色泽和小样相同，则必须满足下列等式；则得到x＝t1a，y＝t2b，z＝t3c。称t…     

液体硫化染料在轧烘轧蒸工艺中的应用

液体硫化染料染色，为防范应用过程中接触空气带来的氧干扰，除添加进口防氧剂外，采用轧蒸工艺染色，这就需要轧蒸专用。作者在常规的平幅轧染机上实施轧烘轧蒸工艺，突破了设备专用的难题，顺利地将液体硫化染料用于生产。现款年来，生产２００万米外销色布，取得了重现性好、成本下降、质量稳定和良好的经济效益。     

WLS助剂改性的棉纱线硫化染料染色工艺研究

在前期研究基础上,固定阳离子改性剂WLS改性棉纱线工艺,研究硫化染料浸染染色工艺条件对染色性能的影响,优选出了改性棉纱线硫化染料浸染染色的最佳工艺,并评价改性棉纱线硫化染料浸染染色效果。结果表明,改性棉纱线硫化染料的上染百分率和K/S值显著提高。WLS助剂改性棉纱线解决了传统硫化染料染色时,还原剂用量大,染料上染率低,染色废水污染严重等问题,这种改性工艺对于节能减排,开发环保型染色工艺是非常有利的。     

WLS助剂改性的棉纱线硫化染料浸染染色工艺研究

固定阳离子改性剂WLS改性棉纱线工艺,研究硫化染料浸染染色工艺条件对染色性能的影响,优选出改性棉纱线硫化染料浸染染色的最佳工艺,评价了改性棉纱线硫化染料浸染染色效果。结果表明：改性棉纱线硫化染料的上染百分率和K/S值显著提高。WLS助剂改性棉纱线解决了传统硫化染料染色时,还原剂用量大,染料上染率低,染色废水污染严重等问题,这种改性工艺对于节能减排,开发环保型染色工艺非常有利。     

利用匀染剂SFH改善涤棉薄织物雨状条花染疵

匀染剂SFH系丙烯酰胺与丙烯酸二元共聚物。它通过其在大分子中的极性基团而吸附染料颗粒,使染料难于泳移,达到匀染效果。经该匀染剂染色,各项染色牢度均达到标准,并能提高染料给色量,节约染料15～20％。对于织物上的棉结白芯、条干不匀也有一定遮盖力。     

2.5维机织物接结经纱缩率的影响因素

由于高性能纤维成本较昂贵,在织造织物前对其纤维用量的计算显得尤为重要。基于2-2带衬经结构的层-层正交角联锁织物结构优势,织造了10种不同规格参数的织物,测试其接結经纱的缩率,分析纬纱密度、纬纱线密度、织物层数和接結经纱本身的线密度对接結经纱缩率的影响。研究发现,纬纱密度和线密度对接結经纱缩率影响非常明显,而织物层数和接結经纱本身的线密度对接結经纱缩率影响不明显。用测试得出的接結经纱缩率分别对10种织物的纤维体积含量进行计算,与称重法得出的纤维体积含量值吻合得很好,为实际生产工艺中计算高性能纱线的用量提供了较好的参考。     

Interactive effect between warp and weft of a woven ramie fabric under biaxial loadings

The occurrence of an interactive effect between warp and weft of woven fabrics under practical working conditions is an important concern for researchers. A novel 3D loading device has therefore been developed to elucidate information on materials subjected to loadings in multiple dimensions. This paper investigated the interactive effects between warp and weft in biaxial tension. Strain fields were characterized by digital speckle correlation method and Poisson’s ratio was calculated at 0° in the warp direction. The effects of different cutting angles and loading threshold values at 0° on the interactive effect were also evaluated. An interactive effect between warp and weft existed, and the influence of load at weft to warp was larger than warp to weft. Weft produced larger strain fields in both directions. As the load in the warp direction linearly increased, force values nonlinearly increased while load ratio decreased. Poisson’s ratio, however, was practically unchanged. Loading mean value curves at x and y axes had sine curve characteristics. The greatest interactive effect occurred when the warp load was 65.3% of the biaxial breaking strength.     

The effect of weaving machine setting on fabric skewness

The effect of air-jet loom settings, such as initial warp tension, back rest position, shed closing time and shed height, on fabric skewness has been investigated. Skewness was related with loom setting parameters during commercial weaving machine trials. Adjustment of loom settings was carried out at different levels without changing the properties of warp and weft yarns and fabric construction. It has been found that initial warp tension and shed height are the most significant factors affecting on fabric skewness. Skewness is decreased with an increase of the initial warp tension, especially when the shed height is 26°, but this effect is non-linear; when adjusting the shed height from 22° to 26°, fabric skewness is increased. Adjustment of the shed closing time from normal to late decreased fabric skewness, whilst raising the backrest roller over zero position did not have a significant effect on fabric skewness.     

仿牛仔织物的设计与开发

在传统牛仔织物原有风格基础上,分别以棉纱、涤/粘混纺竹节纱和涤/棉混纺纱为经纱,通过变化经纱排列比以及织物组织,设计仿牛仔织物.结果表明,经纱排列对面料的整体效果有很大影响,选择合适的经纱排列比,可取得较好的性能与外观等设计效果.     

变细度细特纯棉色织双面小提花面料的开发

通过对双面小提花面料的织物组织设计,采用不同粗细的经、纬纱进行织造,并改变纬纱密度和采用不同的色彩搭配,使织物呈现出立体方格和特殊的双面效应,对浆纱工艺和织造工艺进行优选,经纱采用双织轴喂入,克服了由于复杂的织物设计带来的织造难度,成功开发出了纯棉细特高密色织双面小提花面料。     

Impact resistance behaviour of silicone coated warp knitted spacer fabrics used for protective clothing

This paper aims to analyse the effect of coating, fabric layers and structural parameters on the impact resistance behaviour of warp knitted spacer fabrics used for protective clothing. For this purpose, six warp knitted spacer fabrics were produced by varying thickness and mesh structure and were coated with a silicone substrate. A drop-weight impact tester was used to determine the impact resistance characteristics of the samples. The results indicate that, the impact resistance properties of warp knitted spacer fabrics can be improved considerably by coating as reducing approximately 10 kN of the peak transmitted force. Also, the structural parameters such as fabric thickness and mesh structure have significant effects on impact resistance behaviour of the samples. The fabrics with higher thickness and smaller size mesh on the outer layers have better impact resistance properties. Additionally, the lamination of spacer fabrics can effectively improve the impact resistance characteristics of the spacer fabrics. The warp knitted spacer fabrics can be used as an energy absorbing material for body protection by varying their structural parameters, fabric lamination and/or by coating.     

贴面工艺对硬枫薄木贴面家具板材翘曲度的影响

主要讨论了贴面工艺对杨木多层胶合板双面贴硬枫薄木的家具板材翘曲度的影响,采用正交实验法分析了涂胶量、热压压力、热压温度、热压时间四个因素对杨木多层胶合板双面贴硬枫薄木的家具板材翘曲度的影响.结果表明,涂胶量对板材翘曲度影响最显著,热压压力与热压时间对翘曲度也有一定影响.建立了涂胶量、热压压力、热压温度及热压时间四个因素和板材翘曲度之间的四元二次回归方程.     

织机经纱张力Fuzzy-PID控制及其检测方法

为更好地控制经纱张力,防止因波动过大对织物质量产生负面影响,在论述现有经纱张力控制方法的基础上,提出采用Fuzzy-PID控制方法的合理性。根据实际经验给出简化的模糊控制规则表。面向SAURER400型织机送经系统进行试验,通过计算机、应用软件及传感器等手段及自行搭建的测试系统,对经纱的张力变化进行在线检测。实验结果表明:模糊控制经纱张力对抑制张力峰值,改善张力的特征值是行之有效的;在织造过程中降低了经纱断头率,下机织物的稀密路得到了改善。     

氨纶经编平纹布送经量的影响因素

针对氨纶经编平纹织物更换品种时送经量设置困难的问题,前梳采用33、44、55dtex的涤纶长丝、锦纶长丝,后梳采用44dtex的氨纶丝为原料,分别在卡尔迈耶HKS2-3 E经编机和利巴COP2 KE经编机上进行上机实验,考察了牵拉密度、原料线密度及种类、机号以及机型等参数对经编弹力织物前梳送经量的影响,并利用回归分析得出各影响因素与前梳送经量的关系。结果表明,以上参数均对氨纶经编弹力织物的前梳涤纶或锦纶的送经量有影响。其中,牵拉密度、机号是影响前梳送经量的高度显著性因素。     

双轴向载荷下苎麻织物经纬向的交互作用

针对植物纤维织物在实际使用条件下经纬向载荷交互影响的问题,对苎麻纤维织物在(0°、15°、30°、45°、60°、75°、90°)7个面内方向和经向设置不同载荷阈值时的力学性能进行双向拉伸试验,并用数字散斑相关方法对其应变场进行表征.结果表明:纬向载荷对经向载荷的影响较大,随着纬向载荷的线性增加,经向载荷非线性增大,经...