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- Thermal stress and strain of modified PAN fiber during thermal-oxidation stabilization process 改性PAN共聚纤维在预氧化过程中的热应力应变
- Modified PAN fiber 改性PAN纤维
- PAN fiber and preoxidized fiber have a close relationship with carbon fiber. PAN纤维、预氧化纤维的微观形态结构与最终碳纤维的结构有着密切的关系。
- Abstract The dyeing effect on PAN fiber under different acid bath was studied,the quality of product,environment and cost was improvement. 本文详细分析了不同酸浴条件对腈纶纤维染色效果的影响，对提高产品质量，改善工作环境，降低生产成本进行了探索，并取得了良好的效果。
- What is more, whether the percentage of PAN fiber composite is 0.2% or 0.3%, the performance of SMA is stable. 2%25和0.;3%25聚丙烯腈纤维掺量对SMA各项性能指标影响不大。
- The whitening process was performed on PAN fiber produced by sodium thiocyanate wet spinning. 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 application of nitrile hydratase and esterase in the modification of PAN fiber and PET fiber was introduced. 介绍了腈水合酶及酯酶分别在腈纶和涤纶改性中的应用。
- The production expansion of evaporating equipment was introduced for solvent NaSCN in PAN fiber production. 介绍了腈纶生产中溶剂硫氰酸钠蒸发装置的扩产改造。
- 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。
- At the same time, the combining intensity between the modified layer and the base with the preoxidized PAN fibers as the reinforcer was stronger than that with the carbon fibers as the reinforcer. 同时，用预氧丝作增强剂得到的改性膜与基体之间结合的强度也明显优于用炭纤维作增强剂得到的改性膜与基体之间结合的强度。
- SEM photographs showed that after the protein has been grafted, the cracks and pores of the surface of the PAN fiber were filled with protein which gav... SEM观察表明:接枝之后,蛋白质将会填充腈纶的表面裂纹与微孔,赋予纤维以新的结构形态。
- Results indicated that the strength of the modified layer with the preoxidized PAN fibers as the reinforcer was significantly higher than that of the modified layer with carbon fibers as the reinforcer. 通过研究发现：用预氧丝作增强剂得到的改性膜的强度明显优于用炭纤维作增强剂得到的改性膜的强度。
- A new synthesize method of weak-base ion exchange fiber was developed in our lab.The process produces amine and imidazolyl functional groups chemically bonded to the PAN fiber. 介绍了聚丙烯腈(简称PAN)纤维经过水解预处理、胺化、咪化等过程的试验研究,合成一种含胺基、咪唑基,交换容量较大的弱碱性离子交换纤维。
- The relationship between molecular orientation and structure and properties of PAN fiber was studied in acrylonitrile (AN) and itaconic acid(ITA) polymer system. 研究了丙烯腈(AN),甲叉丁二酸(ITA)聚合体系中PAN分子取向与纤维结构、性能之间的关系。
- The linear regression e-quation 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。
- Preparation of Modified PAN Hollow Fiber as Flat Yarn for Carbon Fiber 改性PAN中空纤维原丝的研制
- From MA content in polymer, drawing temperature and medium, after- chawing process and heat setting temperature, the factors affecting the shrinkage rate of PAN fiber are analyzed. 着重从聚合物中丙烯酸甲酯的含量、热拉伸介质和温度、后拉伸工艺以及热定型温度出发,分析各因素对纤维收缩率的影响,探讨它们与腈纶收缩率之间的内在联系。
- The veracity and applicability of the four evaluation methods on preoxidation extent of PAN fibers were also compared. 结果表明：环化度和相对环化率适合于预氧化初期的预氧化程度表征；
- With simple procedures of surface hydrolysis, acidchloride reaction and grafting, the soybean protein can be grafted onto the PAN fiber, and then protein-modified PAN fiber was obtained. 摘要腈纶经过表面水解、酰氯化和接枝反应等过程可以在表面接枝上大豆蛋白质，制成蛋白质接枝改性腈纶。
- He cooked the pasta in a large pan of boiling water. 他用一大锅开水煮义大利面食。
