By mixing activated carbon with AN-VDC copolymer and using DMF as the solvent of coagulation bath, the absorbable and flame retardant AN-VDC copolymer fibers is prepared. 用无机活性炭与丙烯腈-偏氯乙烯共聚体共混,以二甲基甲酰胺(DMF)为溶剂纺制了腈氯纶吸附与阻燃纤维。
Effect of Coagulation Bath Conditions on Cross Section and Skin-Core Structure of PAN Nascent Fibers during Wet-Spinning 凝固浴条件对湿纺PAN初生纤维截面形状和皮芯结构的影响
The composition of coagulation bath were much effective for porous structure and blend membranes performance; 凝固浴种类直接影响膜结构及性能;
Effect of coagulation bath on microstructure and performance of PVDF/ PVA blend hollow fiber membranes 凝固条件对PVDF/PVA共混中空纤维膜结构及性能的影响
The effects of spinning dope concentration, coagulation bath temperature and addition of persimmon leaves on the mechanical properties of blend fiber were studied. 研究了纺丝原液浓度、凝固浴温度、柿叶添加量对共混纤维的力学性能的影响。
The results show that the maximum spinning speed decreases with the coagulation bath concentration increasing. 结果表明:随着凝固浴浓度增大,最大纺丝速度减小;
With short time pre-evaporation and low temperature coagulation bath, membrane's supporting layer is small and uniformity sponginess network-structure. 当预蒸发时间较短和凝固浴温度较高时,膜的支撑层为典型的小而均匀的海绵状网络孔结构,基本看不出过渡层;
It pointed out that the temperature of spinning solution, negative stretching, temperature of coagulation bath, concentration, flow and spin-finish had influence on quality of flat fiber. 指出原液温度、负拉伸、凝固浴温度、浓度、流量以及所用的油剂都会对扁平纤维的质量产生影响。
Study on Skin Frictional Drag of Fibre in Coagulation Bath and Its Application in Dry-Wet Spinning Method 凝固浴对丝条的摩擦阻力公式及其在干湿法纺丝中的应用
The effects of spinning dope temperature, coagulation bath condition, negative stretch ratio of spinneret, total shrinkage, total draw ratio and spinning velocity on acrylic fiber quality and production stability were discussed. 讨论了纺丝原液温度、凝固浴条件、喷丝板负拉伸率、总收缩率、总拉伸倍数、纺丝速度对细旦腈纶质量和生产稳定性的影响。
The experimental results indicated that low temperature of casting solution and coagulation bath, short evaporation time and low polymer concentration of casting solution tend to increase the effective porosity of membrane. 实验结果表明较低的铸膜液温度和凝胶浴温度、较短的蒸发时间和较低聚合物浓度有利于增加膜的有效孔隙率。
Through comparing the membrane performance at different coagulation bath temperature, the higher the coagulation bath temperature, the higher the pure water flux. 比较不同凝胶浴温度下的膜分离性能可以看到,凝胶浴温度提高可以显著提升膜的纯水通量。
The effects of polymer concentration, PVDF/ PS ratio, solvents, additive, temperature and composition of coagulation bath, solvent volatilization time and heat treatment temperature on the membrane performance were studied. 考察了聚合物浓度、PVDF/PS配比、溶剂种类和组成、添加剂浓度、凝胶浴温度和组成、溶剂挥发时间和热处理温度对膜孔径和孔隙率的影响。
The effects of polymer concentration, solvent volatilization time, temperature and composition of coagulation bath and the thickness of membranes are studied for preparing the best nanofiltration membrane. 实验重点考察了铸膜液固含量、溶剂蒸发时间、凝胶浴组成和温度、膜厚等因素对所制纳滤膜性能的影响。
The effects of the concentrations of PVDF and addictive in the casting solution, the second addictive and its content, the composition and temperature of the coagulation bath on the morphology of the membrane were discussed in detail. 对制膜液中聚合物及添加剂的浓度、第二添加剂及其用量以及凝胶浴的温度和组成对膜结构形态的影响进行了详细的讨论。
The maximum spinning speed decreased with the coagulation bath concentration increasing. 最大导丝速度也随凝固浴浓度的增大下降。
The gel spinning process of high-performance PVA fiber was described, and the influential factors including fiber structure, drawing process, solvents, coagulant varieties and coagulation bath temperature, etc. were discussed. 详述了凝胶纺丝制备高性能PVA纤维的工艺及其影响因素:纤维结构、拉伸工艺、溶剂、凝固剂种类、凝固浴温度等。
Porosity increases along with the increasing of coagulation bath temperature, and doesn't have relation to pre-evaporation. 孔隙率随着凝固浴温度的上升而上升,而与预蒸发时间的长短没有关系;
The results showed that the properties of the regenerated bamboo fiber prepared with lower coagulation bath temperature were improved. 实验结果表明:在较低的凝固浴温度下纺制得到的再生竹纤维素纤维的性能较好。
The water flux increases along with the prolonging of pre-evaporation and the increasing of coagulation bath temperature. 水通量随着预蒸发时间的延长、凝固浴温度的上升而上升;
Effects of the Coagulation Bath Concentration Change on Polyether Sulfone Membrane QUALITY 凝固浴的质量分数对聚醚砜(PES)超滤膜微结构和性能的影响
The ultrafiltration rate of pure water with the coagulation bath temperature increased. 随着凝固浴温度的升高,所成的膜的透水速率上升。
Polyimide fibers were prepared via dry-jet wet-spinning process with the mixture of alcohol/ water as coagulation bath. 以聚酰亚胺浓溶液为纺丝浆液,以乙醇及其与水的混合物为凝固浴,采用干湿法纺丝工艺路线纺制聚酰亚胺纤维。
The effects of coagulation bath composition and process conditions on the morphology and properties of PAA fiber were studied. The effects of different imidization methods on the morphology and properties of PI fiber were also studied. 研究了凝固浴组成和工艺条件对PAA形态结构和纤维性能的影响,以及不同酰亚胺化方法对PI纤维形态结构和性能的影响。
Effects of Coagulation Bath Treatment on Separation Properties of Chitosan Ultrafiltration Membrane 凝固浴处理对聚氨基葡糖超滤膜分离性能的影响
Different membrane-forming conditions, including solid content and temperature of solution, filling solution pressure, the pressure of coagulation bath, the velocity of first roller, the velocity of winding up have different influence on the properties and structure of membrane prepared from blend polyether sulfone. 研究了不同成膜条件,包括铸膜液中总固含量、铸膜液温度、填充液压力、凝固浴温度、第一导盘速度、卷绕速度等对聚醚砜膜结构与性能的影响。
Several spinning procedure conditions were discussed, such as coagulation bath concentration, temperature, extruding rate and core layer liquid flow rate etc. 并对凝固浴浓度和温度、挤出速率、芯液流量等纺丝工艺条件进行了探讨。
Factors influencing membrane morphology such as polymer, polymer concentration, solvent/ non-solvent, composition of casting soluting, composition of coagulation bath were also discussed in this paper. 并对影响膜结构形态的因素如聚合物的选择、聚合物的浓度、溶剂/非溶剂体系的选择、制膜液的组成、凝胶浴的组成等进行了讨论。
Sulfuric acid, ammonium chloride, sodium hydroxide and ethanol were selected as coagulation bath under different coagulation temperature and coagulation time to manufacture HEC membranes. 分别选取硫酸、氯化钕、氢氧化钠和乙醇等溶剂作为凝固浴,在不同凝固温度和凝固时间下凝固制备HEC膜。
Different types of alginate fibers can be prepared by the changes of the coagulation bath; they have different structures and capabilities. 通过改变凝固浴的种类可以制备不同种类的海藻酸盐纤维,不同种类的海藻酸盐纤维在结构和性能上各有不同。