The formation mechanism of PAN fiber was studied with the helps of SEM and AFM.
采用SEM和AFM对不同条件下制得的纤维和膜进行测试,揭示干湿纺纤维成形机理。
Results obtained with PAN fiber and PET fiber are given as illustrative examples.
文中尚有聚丙烯睛纤维及涤纶纤维的实测示例。
The influential factors on cross section shape of PAN fiber were studied during dry-jet-wet spinning.
对干湿法纺丝中PAN纤维的截面形状影响因素进行了研究。
The effects of grafting conditions on the graft yield were studied for soybean protein-modified PAN fiber.
采用大豆蛋白质接枝改性腈纶,研究了接枝工艺条件对接枝率的影响。
The industrial production showed that the yellowness of PAN fiber was increased with the content of peroxide.
生产中发现,随丙烯腈中过氧化物含量增加,纤维的黄度增大。
Dyeing properties and thermal performance of a novel PAN fiber with ethyl acrylate as the second monomer were discussed.
考察了一种以丙烯酸乙酯为第二单体的新型腈纶的热性能和染色性能。
PAN fiber is the key precursor of the high-performance carbon fiber preparation, which has a significant impact on carbon fiber.
聚丙烯腈纤维是制备高性能碳纤维的主要前躯体。原丝的各项性能对最终产品碳纤维有着重要的影响。
It is found that the temperatures of coagulation baths would greatly influence the cross section and skin-core texture of PAN fiber.
结果表明凝固浴温度会影响初生纤维的横截面形貌与芯部结构。
The linear regression equation on the relationship between peroxide content in acrylonitrile and PAN fiber yellowness was obtained by regression analysis.
采用回归分析法,得出描述丙烯腈中过氧化物含量与聚丙烯腈纤维黄度之间关系的一元一次线性回归方程。
The whitening process was performed on PAN fiber produced by sodium thiocyanate wet spinning. The effects of the main whitening conditions on whitening effect were discussed.
对硫氢酸钠湿法二步法腈纶进行增白,探讨了主要增白工艺条件对增白效果的影响。
The results showed that the extrusion speed had effects on the irregularity of cross section, surface morphology, profile degree, sonic orientation and compactness of PAN fiber.
结果表明:喷丝速度对PAN纤维截面的规整性、表面形貌、异形度、声速取向和致密性等均会产生影响。
Methods of preparation of a oil field drilling mud water - loss control additive with waste PAN fiber hydrolyzed at high pressure had been studied and had tested its properties.
研究了用废腈纶经高压釜中水解制备油田钻井泥浆降失水剂的方法,并进行了性能试验。
The cross section morphology and skin-core structure of PAN fiber in wet-spinning are analyzed by the means of electron probe microanalyser (EPMA) and scanning electron microscope (SEM).
结果表明凝固浴温度会影响初生纤维的横截面形貌与芯部结构。
The cross section morphology and skin-core structure of PAN fiber in wet-spinning are analyzed by the means of electron probe microanalyser (EPMA) and scanning electron microscope (SEM).
利用电子探针、扫描电镜研究了聚丙烯腈在湿法纺丝工艺中的横截面形貌与皮芯结构。
This article follows up the change of lamella structure in PAN fiber spinning, preoxidation and carbonization process using electron microscope in order to find the evolution of sheet structure.
为了研究原丝中片层微观组织的演变性,借助电子显微镜,跟踪了片层组织结构在纺丝、预氧化和炭化过程中所发生的变化。
It also suggests the method of spinning the heat resistance PAN hollow fiber membrane and its significance.
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。
Based on SAXS theory and fractal theory, we obtain the calculating method and calculating formulas of the pore size, pore volume percentage and the fractal of pore surface in PAN - based carbon fiber.
基于小角X射线散射理论,利用逐级切线法和材料分形理论中的散射强度法,分别计算PAN基炭纤维内微孔大小、体积分数及微孔表面分形维数。
Carbon fiber is produced by dry-wet spinning of copolymerized PAN followed by preoxidation and carbonization.
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。
The water flux ofPAN/PU hollow fiber membranes increased with the increase of draw ratio and concentration of PAN.
PU中空纤维膜的的水通量随着拉伸倍数的增大而增大,随着PAN含量的增大而增大。
Finally, a model of anodic oxidation of PAN HM carbon fiber were proposed.
根据实验结果,提出了PAN基高模炭纤维的氧化模型。
The factors affecting the crimpability of PAN staple fiber include the overall denier of tows, crimp box height, crimping pressure and temperature, tow tension and width and heat setting temperature.
影响腈纶短纤维卷曲性能的主要因素有丝束总线密度,卷曲箱高度,卷曲压力温度,丝束张力,宽度及热定型温度。
The preoxidizing process of polyacrylonitrile (PAN) fiber is investigated with in-situ X-ray diffraction techniques in this paper.
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。
According to the experimental data of PAN precursor forming, a simple mathematic model of fiber forming was established.
以PAN原丝成形的实验数据为基础,建立简单的纤维成形数学模型。
Inereaseing the running time and reducing the stopping number of the drawing machine could improve the crimpability of PAN stable fiber.
提高牵伸机运行时间,降低停车次数,可提高腈纶短纤维卷曲稳定性。
The property of PAN-based carbon fibers and carbon fiber cloth used as negative electrode of secondary lithium ion battery is reviewed.
讨论了几种PAN基炭纤维和炭纤维布作为二次锂离子电池负极的行为。
The PAN based high modulus carbon fiber(HMCF) has been produced by high speed heating and continuous graphitization apparatus with the high frequency induction heating method.
采用高频感应快速加热连续石墨化装置,制备PAN基高模量炭纤维(HMCF)。
The PAN based high modulus carbon fiber(HMCF) has been produced by high speed heating and continuous graphitization apparatus with the high frequency induction heating method.
采用高频感应快速加热连续石墨化装置,制备PAN基高模量炭纤维(HMCF)。
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