Gel spinning of gelatin aqueous solutions including fish gelatin. 鱼明胶等湿法凝胶纺丝。
Ultrahigh molecular weight polyethylene fibers ( UHMWPE) of different gel concentration were prepared using gel spinning process followed by solvent extraction, drying and drawing. 采用凝胶纺丝工艺制备了具有不同质量分数的超高分子质量聚乙烯凝胶纤维,并对其进行了萃取干燥和后拉伸等处理。
The key to preparing UHMW PAN concentrated solution suitable to gel spinning was to choose appropriate condition of shear modification. 适宜的搅拌剪切条件是制备适合冻胶纺的超高相对分子质量PAN溶液的关键。
The results showed that molecular weight and its distribution, the synthesis process of cellulose diacetate, the gel component and titanium dioxide particles in spinning dope, and the fluctuation of spinning technical conditions were main factors responsible for the generation of flying. 结果表明,分子量及其分布、醋酸纤维素的合成过程、纺丝浆液中的凝胶组分和二氧化钛颗粒以及纺丝工艺条件的波动等是造成飞花的主要因素。
Gel Spinning is being used successfully for the production of various high performance fibres with superior mechanical properties. 已用凝胶纺成功地开发了多种高性能纤维。
Cerium doped TiO 2 film coated on glass surface was prepared by sol gel method using spinning technique. 采用旋转涂膜工艺,以溶胶凝胶法在玻璃表面制备了掺杂铈的TiO2薄膜。
S: According to gel chromatographic working principle, three kinds of applications of gel chromatography were introduced in polymerization solution purifying, iron removing of spinning solution and waste water treatment. 根据凝胶色谱的工作原理,介绍了凝胶色谱在腈纶聚合原液除杂、腈纶纺丝溶剂除铁、腈纶废水预处理等三个方面的应用。
Gel spinning of polyacrylic fiber 聚丙烯腈纤维的凝胶纺丝
The results showed that dimethyl sulphoxide and formamide were not rational choices for gel spinning process of high-relative viscosity nylon 6 when m-cresol, sulfonic acid and formic acid were reasonable. 结果表明:二甲基亚砜和甲酰胺不宜作高相对粘度尼龙6的冻胶纺丝溶剂,硫酸、甲酸和间甲酚比较适宜;
According to different molecular weight, the melt spinning, plasticized melt spinning, gel spinning and other non industrialized spinning methods of polyethylene fibres were reviewed. The properties and application of different PE fibres were also discussed. 综述纺制不同相对分子质量聚乙烯纤维的熔融纺丝法、增塑熔融纺丝法、冻胶纺丝法及其他一些非工业化的纺丝方法,并介绍了各种聚乙烯纤维性能和用途。
This method has many advantages of simple process, high yield and low cost by comparison with gel spinning. 此法比凝胶纺丝法工艺简单,产率高、成本低。
Studies of gel spinning of PVA ⅰ. the effect of extracting condition on the structure and properties of fiber 聚乙烯醇凝胶纺丝研究Ⅰ.萃取条件对纤维结构性能的影响
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。
Result showed that the section shape of fiber prepared with gel spinning method was round and outside and inside structure was uniform. 结果表明,采用凝胶纺所得的丝条,截面形状为圆形,且表里结构均一。
Study on structure of water-soluble polyvinyl alcohol fiber via gel spinning 冻胶法聚乙烯醇水溶纤维的结构研究
The PAN-based carbon fiber precursor was prepared with gel spinning method. 利用凝胶纺丝方法制备了聚丙烯腈基碳纤维原丝。
Compared with the fibers produced by dry-wet spinning, the fibers from the not-pre-gelled gel spinning had more compact structure and fewer pores inside the fiber. The skin-core difference between the two types of fibers was, however, not pronounced. 与传统的干湿法纺丝相比,由未预凝胶化凝胶纺丝制得的初生纤维结构比较致密,孔洞较少,但是两者的皮芯结构差异并无明显区别。
Meanwhile, the diameter of fibers produced by traditional way, such as dry spinning, wet spinning, melt spinning and gel spinning, is in the range of several to several hundred micrometers. 传统的纺丝技术干纺、湿纺、熔体纺丝、胶体纺丝等生产的纤维直径在几到几百微米的范围内。