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71.
分析了国产毛C07型机械式毛纺自调匀整装置存在的不足,介绍了自调匀整的基本原理和自行研制的“电脑控制式毛纺自调匀整装置”的组成,通过上机实验结果表明,该“电脑控制式毛纺自调匀整装置”具有比较理想的匀整效果,这对于改善纱条的均匀度及老机改造具有较大意义。 相似文献
72.
《Journal of Industrial and Engineering Chemistry》2014,20(1):83-90
Wool bleaching is usually carried out on raw wool through treatment with oxidizing or reducing agents. Here, nano TiO2 as a photocatalyst was applied on raw wool fabric to decompose the naturally occurred pigments under daylight irradiation. To enhance nano particles adsorption on the fabric, it was first treated with protease and then treated with nano TiO2 along with citric acid. The whiteness and yellowness indexes and hydrophilicity features of the treated wool fabrics indicated a reasonable whiteness with a significant improved hydrophilicity. This new wool bleaching approach was named as “nano photo bleaching” as a most successful bleaching application. 相似文献
73.
74.
纯羊毛织物染色中不同类型保护剂作用的比较 总被引:2,自引:1,他引:1
廖青 《北京服装学院学报(自然科学版)》2001,21(1):1-7
对合成的高活性抗定形保护剂(BP-1)、商用抗定形保护剂Miralan HTP及交联型保护剂Irgasol HTW NEW进行了较为系统的研究,考查了染浴pH值、染色温度和时间,以及保护剂浓度等因素对保护作用的影响,以织物的机构性能作为保护效果的评价标准,讨论了不同类型保护剂的保护作用和适用条件。 相似文献
75.
硫酸法测定不同环境温度下丝/羊毛混纺样品的不溶纤维含量,环境温度对实验结果有较大的影响。环境温度升高,不溶纤维含量减小,温度降低,不溶纤维含量增大,环境温度在30~40℃间结果较为稳定。 相似文献
76.
The article studied the compatibility between alkaline proteinase, neutral protease and textile auxiliaries with the wool finished. We analyzed the nonionic-organic textile auxiliaries, ionic-organic textile auxiliaries and dyes by reduction and relative activity combination method. The results showed that the salt of Na+ , K+ , NH4+ , Mg 2+ , Ca2+ promoted the catalytic of enzyme when the concentration of the salt was lower, the nonionic-surfactants could promot the catalytic of enzyme. The salt of Cu2+ ,Fe3+, Mn0 4- , ionic-surfactants and dyes could evidently restraint the catalytic of alkaline proteinase, neutral protease. The salt of Na + , K+ , NH4+ , Mg 2+ , Ca2+ promoted more evidently the catalytic of neutral protease than alkaline proteinase. The ionic-surfactants and dyes restrainted more evidently the catalytic of alkaline proteinase than neutral protease. The studies might guide the application of protease for the wool textle industry on the theory. 相似文献
77.
Wool fiber was modified by UV irradiation and then reacted with cross-linked chitosan-coated Ag-loading nano-SiO2 (CCTS-SLS) composites to prepare antibacterial wool fiber. The results show the topography of wool surface was also modified along with the formation of active radicals during UV irradiation. These active groups were used to graft antibacterial materials CCTS-SLS. Compared with parent wool fiber, the antibacterial wool fiber was improved in dyeing property. The dyeing uptake increased by 98% in a dyeing time of 50 min. Also, the antifelting performance increased as a result of the decrease in directional frictional effect after UV irradiation modification. 相似文献
78.
《Advanced Powder Technology》2020,31(1):87-93
Lyophilized wool nanoparticle powders (L-WNPP) derived from wool fibers, were extracted through the neutralization method. Here, we propose the mechanism of wool nanoparticle (WNP) formation in an aqueous solution. The effects of pH, alkali concentration, and alkali treatment time on the size and morphology of WNP were investigated. Results confirmed that WNP were well dispersed and stable in the aqueous solution and globular particles were identified with an average size of 50 nm by using 3% sodium hydroxide (NaOH) after a 4-h treatment through dynamic light scattering (DLS), zeta potential, scanning electron microscopy (SEM), and transmission electron microscope (TEM) analyses. Furthermore, fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) analyses showed that the L-WNPP maintained the chemical structure of wool protein. X-ray photoelectron spectroscopy (XPS) analysis demonstrated that higher concentrations alkaline would destroy most amide bonds of molecule chains. Moreover, L-WNPP were further used to prepare transparent protein nanoparticle films. Our results will provide guidelines for developing protein nanoparticles for biotechnology fields that require size-controlled nanoparticles. 相似文献
79.
80.
羊毛在两性表面活性剂中的低温染色研究 总被引:7,自引:1,他引:7
在弱酸性染料羊毛染色的染浴中添加两性表面活性剂N-十二烷基甜菜碱,于80℃下染色。本文分析探讨了两性表面活性剂在不同浓度、温度、pH值等条件下,对羊毛纤维表面性能和染色性能的影响。 相似文献