研究了喂入粗纱间距、捻系数与成纱性能的关系,测试分析了聚丙烯腈预氧化纤维涤纶长丝包芯纱的性能。
Relation among feeding roving gauge, twist factor and yarn property were researched, property of polyacrylonitrile preliminary heat treatment in oxidizing polyester filament core-spun yarn was tested.
通过液相稳定化法制备了聚丙烯腈稳定化纤维。
The stabilized polyacrylonitrile fiber was prepared by the method of liquid-phase stabilization and carbonized in nitrogen atmosphere.
为加快聚丙烯腈纤维的预氧化速度,采用催化剂处理方法,借助于DS C曲线来评定催化效果。
Catalyst processing method is used to speed up the preoxidation of polyacrylonitrile fibre. The catalysis results are evaluated with the aid of DSC curves.
在聚丙烯腈中空纤维膜反应器油-水两相体系中,使用表面活性剂包衣酶催化水解橄榄油。
The hydrolysis of olive oil catalyzed by surfactant-coated lipase in a biphase system was studied in a hollow fiber membrane reactor made of hydrophilic polyacrylonitrile.
主要研究了不同弹性模量的钢纤维、聚丙烯纤维和聚丙烯腈纤维混杂对水泥混凝土的干燥收缩性能的影响。
In this paper, the effects of the steel fibers of different elastic modules, polypropylene fibers and polyacrylonitrile fibers on the dry shrinkage of concrete are studied.
本文将聚乙烯醇和壳聚糖混合物涂到聚丙烯腈中空纤维内表面制备用于渗透汽化过程的中空纤维复合膜。
By coating the blend of poly (vinyl alcohol) and chitosan on the inner surface of poly (acrylonitrile) hollow fiber ultrafiltration membrane, the composite membrane for pervaporation was obtained.
发现在该共混体系中,聚氨酯硬段与聚丙烯腈之间存在一定程度的相互作用。
It was found that there existed some interaction between the hard segment of polyurethane and polyacrylonitrile in this polymer blend system.
合成了一种多官能团聚丙烯腈纤维,并测定了它的抗菌消臭性能。
A novel of the polyacrylonitrile antibacterial fiber containing multi functional groups was prepared and characterized.
文章探讨了聚丙烯腈基碳纤维的生产技术、形成机理,阐明了碳纤维的主要用途及广阔的发展前景。
The production technique and forming mechanism of polyacrylonitrile carbon fibre are discussed and the main use of carbon fibre as well as its vast development vistas are expounded.
对聚丙烯腈纤维增强水泥砂浆和混凝土的早期阻裂性能进行了试验研究。
Tests of restrained initial shrinkage properties with plain and polyacrylonitrile fiber reinforced concrete and mortar are introduced in this paper.
以聚丙烯腈膜为基膜,壳聚糖为改性剂,采用紫外辐射法制备了一种新型纳滤膜。
A new nanofiltration membrane was prepared by using the method of ultraviolet irradiation and polyacrylonitrile membrane as matrix membrane and chitosan as modifier.
本文以毡状粘胶纤维、酚醛纤维和聚丙烯腈纤维为原料研制了活性炭纤维(ACF),并考察了它们的物化性能。
Studies have been made on the preparation and physicochemical properties of activated carbon fibers(ACF), prepared from felts of rayon, phenol-formaldehyde resin, and polyacrylonitrile.
因此,认为纤维素和聚丙烯腈在非晶区具有一定的相容性。
Then, we consider that the cellulose and polyacrylonitrile are somewhat compatible in their amorphous area.
聚丙烯腈不溶于丙烯腈。
研究了磷酸对聚丙烯腈基低温碳材料的改性作用。
Modification function of phosphoric acid to low temperature carbon based on polyacrylonitrile was investigated.
聚丙烯腈(PAN)可作为一种新型的治疗用栓塞剂。
Preparations of polyacrylonitrile (PAN) are now being considered as possible new therapeutic embolization agents.
用炭黑政性聚丙烯腈原丝,制得了富含中孔的活性炭纤维,研究了它对大分子物质VB12的吸附性能。
The mesoporous activated carbon fibers have been manufactured from polyacrylonitrile fibers with carbon black addition, then its adsorption of VB12 has been studied.
本文用在位X-射线衍射技术研究了PAN(聚丙烯腈)纤维的预氧化过程。
The preoxidizing process of polyacrylonitrile (PAN) fiber is investigated with in-situ X-ray diffraction techniques in this paper.
根据聚丙烯腈基碳纤维生产工艺路线,从原丝、 预氧化、碳化工艺及结构上分析了聚丙烯腈基碳纤维焦油形成的原因。
The reasons for tar formation from polyacrylonitrile-based carbon fiber were analyzed from the structure and the production line, from as-spun fiber, pre-oxidation to carbonization.
以聚丙烯腈纤维为原料,加入羟胺试剂,将腈基转变为偕胺肟基团,使聚丙烯腈纤维改性成含有偕胺肟基团的螫合纤维。
Polyacrylonitrile fiber was modified into a chelating fiber containing amidoxime group by adding hydroxylamine, resulting from that nitrile group was transformed into amidoxime group.
为了有效地处理含重金属离子的废水,制备了改性聚丙烯腈纤维吸附剂。
Modified acrylic fiber adsorbent was prepared for the efficient treatment of the electroplating wastewater containing heavy metallic ions.
提出了纺制耐热性好的聚丙烯腈中空纤维膜可能的方法和意义。
It also suggests the method of spinning the heat resistance PAN hollow fiber membrane and its significance.
介绍了各类改性聚丙烯腈纤维的制备方法、性能和用途。
This paper introduces varieties of differential acrylic fibers, production methods, performance and application.
本文采用干湿法纺制共聚丙烯腈纤维,并进行预氧化,碳化制成碳纤维。
Carbon fiber is produced by dry-wet spinning of copolymerized PAN followed by preoxidation and carbonization.
介绍了聚丙烯腈基活性碳纤维的制备工艺和其制品开发的技术措施,并论述了活性碳纤维在医药及食品工业方面的应用。
The technique of making the active carbon fiber and the technical measure of developing its product were introduced, and its application in medical and food industry were expounded in this article.
利用液-液置换法测定了醋酸纤维ca超滤膜及聚丙烯腈pan超滤膜的孔径及孔径分布。
The pore size and the pore size distribution of CA and PAN UF membrane were determined by liquid-liquid displacement method.
利用凝胶纺丝方法制备了聚丙烯腈基碳纤维原丝。
The PAN-based carbon fiber precursor was prepared with gel spinning method.
使用国产聚丙烯腈基碳纤维进行石墨化实验,制备高模量的碳纤维。
Graphitization experiments are carried out on PAN-based carbon fibers manufactured in China to prepare high modulus carbon fibers.
使用国产聚丙烯腈基碳纤维进行石墨化实验,制备高模量的碳纤维。
Graphitization experiments are carried out on PAN-based carbon fibers manufactured in China to prepare high modulus carbon fibers.
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