1) PAN nascent fiber
PAN初生纤维
1.
The sample of PAN nascent fibers was prepared by wet-spinning and drying technology.
采用湿法纺丝得到聚丙烯腈(PAN)初生纤维,干燥后得到PAN初生纤维样品。
3) PAN fiber
PAN纤维
1.
Microwave activation technology of electro-spun PAN fibers and their adsorptivity;
静电纺PAN纤维微波活化技术及其吸附性能
2.
A modified Fe-polyacrylonitrile complex(Fe-AO-PAN) was prepared by reaction between the amidoximated PAN fibers(AO-PAN) and ferric chloride.
使用偕胺肟改性聚丙烯腈纤维(AO-PAN)与FeCl_3反应制备了PAN纤维铁配合物(Fe-AO-PAN),考察了PAN纤维氰基转化率(CP%)、溶液中铁离子浓度(C_(Fe))和反应温度等因素对Fe-AO-PAN配合物中铁离子含量(C_(Fe-PAN))的影响。
4) PAN fibers
PAN纤维
1.
Studies have been carried out on the tensile strength,molecular weight,crystallinity and the shrinkage rate in boiling water of four different PAN fibers by strength and elongation instrument,viscometer,X-ray dif- fractometer,and so on.
分别采用纤维强伸度仪、乌氏粘度计、X射线衍射仪等测定了4种不同PAN纤维的抗拉强度、分子量、结晶度以及沸水收缩率。
2.
PAN fibers with different drawing ratio and different preoxidation degree were investigated by means of sound velocimeter and X-ray diffraction meter.
采用声速仪及X射线衍射仪对不同牵伸倍数和不同预氧化程度的PAN纤维进行取向度和预氧化程度的测试,并将其结果进行对比。
5) PAN carbon fiber
PAN碳纤维
1.
In this paper, dielectric and semiconductor behaviors of PAN carbon fiber have been analyzed by means of Tettex bridge(type 2801),microconductor analyzer(type 2C-36).
用2801西林电桥研究了0℃~160℃聚丙烯腈(PAN)碳纤维的介电损耗因数ε、介质损耗角正切tgδ的频率特性;用微电导测试仪研究了温度、电场对PAN碳纤维的电导率γ的影响。
6) as-spun fiber
初生纤维
1.
The properties of as-spun fibers and precursors were decreased when those parameters were lower or higher than the .
分析了凝固浴温度、浓度、表观负拉伸等凝固条件对聚丙烯睛初生纤维形态结构的影响规律及作用机理,得出最佳的凝固工艺参数。
2.
The results showed that the coagulation bath composition had little influence on the size of the internal micropores in the fibers, and the fibrillation of as-spun fibers occurred in a slight degree during the spinning process.
用扫描电子显微镜研究了初生纤维形态结构 ,发现聚酰亚胺初生纤维的内部孔洞较小 ,而且受凝固浴配比的影响也较小。
3.
The effects of acid content of coagulation bath and PANI content of spin dope on the morphology and structure of as-spun fibers were studied by SEM.
采用扫描电子显微镜 ( SEM)研究了凝固浴中酸的含量以及纺丝浆液中 PANI的含量对初生纤维形态结构的影响 ,并探讨了初生纤维的微观结构对纤维的拉伸性能的影
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。
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。
参考词条