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1)  PAN-based carbon fiber
PAN基炭纤维
1.
Relations between sp~2 hybrid C—C bond length and structure parameters of PAN-based carbon fibers;
PAN基炭纤维中sp~2杂化的C—C原子键距与结构参数之间关系
2.
The electrical resistivity and preferred orientation of PAN-based carbon fibers with different carbonization temperatures are measured, the changing relations of electrical resistivity with carbonization temperature and preferred orientation are obtained, and the relations of electrical resistivity with carbonization temperature and preferred orientation are discussed from electron structure.
对不同炭化温度下制备的PAN基炭纤维的电阻率、乱层石墨微晶择优取向进行了测量,给出了PAN基炭纤维的电阻率随炭化温度及乱层石墨微晶择优取向的变化规律。
3.
The samples of PAN-based carbon fiber with different carbon temperature are measured using Raman scattering method.
利用Raman散射方法,对不同碳化温度下制备的PAN基炭纤维样品进行了测试,根据Raman散射的测试结果,从Fitzer碳键键距出发,得出PAN基炭纤维中乱层层面内的sp2杂化的C—C原子键距a0随炭化温度的变化。
2)  PAN-based carbon fibers
PAN基炭纤维
1.
PAN-based carbon fibers,copper and boride were mixed by grinding method, then heated in a graphitizing furnaces at high temperature.
将单质铜、硼酸、PAN基炭纤维进行混合研磨,经过石墨化炉高温处理,利用X射线衍射检测了铜和硼在热处理过程中的变化,研究催化剂的量和热处理温度对石墨化度的影响,结果显示炭纤维的石墨化度由25。
2.
The PAN-based carbon fibers heat-treated at 2 400~3 000 ℃ were investigated by means of Raman spectroscopy and Keithley 2 400 source meter.
利用拉曼(Raman)散射和直流四电极法对热处理温度2 400~3 000℃的PAN基炭纤维样品进行测试,得到PAN基炭纤维的拉曼光谱与电阻率随热处理温度的变化关系。
3.
The surface character,microstructure,and surface chemical composition of PAN-based carbon fibers were investigated by SEM,WAXRD,SAXS,XPS and Raman spectroscopy.
利用扫描电镜(SEM)、广角X射线衍射(WARD)、小角X射线散射(SAXS)、拉曼(Raman)光谱、X射线光电子能谱(XPS)等测试技术对热处理温度2400℃~3000℃的PAN基炭纤维的微观结构、表面形貌及化学组成进行了表征,分析了材料的微观组织结构与宏观性能的关系。
3)  PAN HM carbon fiber
PAN基高模炭纤维
1.
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。
4)  PAN-base HM CF
PAN基HM炭纤维
1.
The surface acidic functional groups of PAN-base HM CF were treated by anodic oxidation was determined by chemical titriment method.
利用化学滴定法分析阳极氧化PAN基HM炭纤维表面酸性官能团,结果发现:炭纤维表面酸性官能团随电流密度增大而明显增加,最终达到“饱和”。
5)  PAN-carbon fiber
PAN炭纤维
6)  polyacrylonitrile activated carbon hollow fiber
PAN基中空活性炭纤维
补充资料:Pan
分子式:C15H11N3O
分子量:249.28
CAS号:85-85-8

性质:橙红色无定形粉末。熔点141℃,溶于甲醇、乙醇、苯、醚、氯仿和热稀碱液,不溶于水。溶液在pH12以上时呈粉红色,在弱酸中呈橙红色,在浓硫酸中呈紫色。其金属络合物呈粉红色或红色。

制备方法:由2-氨基吡啶经重氮化后,与2-萘酚偶合而得。将无水乙醇与金属钠反应生成乙醇钠,然后加入2-氨基吡啶的乙醇溶液,通入亚硝酸乙酯蒸气于45-50℃反应。能毕,保温8小时,过滤出重氮盐用乙醚洗涤。将重氮盐加入2-萘酚的乙醇溶液中,在45-50℃通入二氧化碳进行偶合反应,6小时后过滤出结晶,用蒸馏水洗涤后再用乙醇重结晶,干燥即为成品。

用途:该品为络合指标剂。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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