tar pitch
焦油沥青
2025-11-25 05:06 浏览次数 14
焦油沥青
1. pitch sense 1b
asphalt-tar pitch硬焦油沥青
asphalt-tar E pitch硬焦油沥青
modified coal tar pitch[材]
coal tar electrode pitch煤焦油电极沥青
hardwood-tar pitch硬木焦油脂
coal tar based pitch煤焦油沥青
it is found that the co-carbonized mesophase pitch derived from coal tar pitch and ldohf (the heavy fraction of light diesel oil) has not only high anisotropic content but also solubility. it…
发现煤焦油沥青和三线芳烃共炭化形成的中间相沥青具有光学各向异性发达,溶解性较好的特点,适于作为高性能炭纤维的原料。
with the mixed emulsifier and the method of ultrasonic emulsification, the waste coal tar pitch was used to produce emulsified fuel.
采用混合乳化剂和超声乳化法,以炭素厂废焦油沥青为原料生产沥青乳化燃料。
the kinetics of mesophase formation from two sorts of coal tar pitch with different primary qi content is studied in this paper. the kinetic parameters are determined.
本文研究了两种原生qi含量不同的煤焦油沥青中间相形成动力学,测得了中间相形成动力学参数。
the microstructure of modified coal tar pitch has been studied with sem.
采用sem对改性沥青的显微结构进行分析。
the formulation, production process of epoxy coal tar pitch high build coatings and its application in corrosion protective projects have been describe.
介绍了环氧煤沥青厚浆涂料的配方、工艺及其在防腐蚀工程中的应用。
the spinning of coal tar pitch raw material is key procedure of shaping in manufacturing carbon fiber.
煤沥青原料的纺丝,是碳纤维制造过程中加工成型的关键步骤。
bulk graphite was prepared from starting materials of calcined coke and coal tar pitch by the hot pressing process.
以煅后石油焦和煤沥青为基本原料,采用热压工艺制备了一系列石墨材料。
interface of air-water: epoxy zinc-rich primer and acrylic polyurethane top coating, and ipn primer and epoxy-coal tar pitch or ipn top coating;
水气界面区:环氧富锌底漆和丙烯酸聚氨酯面漆以及ipn底漆和环氧煤沥青、ipn面漆;
the coal tar pitch spheres was easy to be stabilized compared with the petroleum pitch spheres when they had similar softening point and naphthalene content.
较低软化点的石油沥青球比煤沥青球表面更易于刻蚀更难于氧化稳定化。
pyrolysis process of the modified coal tar pitch is studied using ft ir and element analysis, respectively.
采用ft- ir和元素分析研究改性煤沥青的热解过程。
conclusion: coal tar pitch can result in obvious biomembrane damage of the exposed workers.
结论煤焦沥青可导致接触者生物膜的明显损伤。
the main parameters of viscosity, spinning temperature, pressure and winding velocity for coal tar pitch fluid should be rigidly controlled during spinning.
在纺丝过程中,要严格控制煤沥青熔体的粘度、纺丝温度、压力、卷绕速度等主要参数。
it was found that coal tar pitch could not be used as-received to prepare useful carbon foams because of their higher quinoline insoluble (qi) fraction.
结果发现,由于煤焦油沥青不含中间相,且qi含量较高,导致在实验条件下不能直接制备出合格的炭泡沫。
shapes of coal tar pitch modified were observed through sem and thermal behavior was analyzed with thermo-gravimetric analysis(tga).
采用扫描电镜观察改性煤沥青的形貌;采用热解重量分析仪分析改性沥青的热行为。
in this paper extraction of three different kinds of raw coal tar pitch was carried out. the thermal behavior of raw coal tar pitch have been investigated with tg apparatus.
本文对山西三种不同类型的煤沥青进行了溶剂配制,用示差精密热分析仪研完了它们的热行为;
this article deals with the kinetics of thermal decomposition process of non-coking coal with modified coal tar pitch used in a steel company.
本文对国内某钢铁公司焦化厂所用的非焦煤配改质沥青的分解过程进行了动力学研究。
the characteristic parameter of coal tar pitch was investigated by b-l equation, the structural compositions of qi from coal tar pitch were studied by means of sem and energy spectrum.
通过b-l公式计算了煤焦油沥青的结构,采用扫描电镜(sem)和能谱分析研究了煤焦油沥青中的喹啉不溶物(qi)。
the results show that phase change of the modified coal tar pitch is different from that of parent coal tar pitch for their respective compositions change greatly.
研究表明,经过改性后煤沥青结晶组分的存在形式、数量以及相转变方式发生很大变化;改性后煤沥青的表观活化能降低、反应活性变大;
the preparation of aqua mesophase pitch (amp) was investigated by oxidation of coal tar pitch with mixtures of concentrated sulfuric acid and nitric acid.
以煤焦油沥青为原料,以浓硫酸和浓硝酸为氧化剂,可得到易溶于堿性水溶液的水性中间相沥青。
improving carbon yield and cutting down closed pores are key to reducing manufacture costs of c/c composites in case of melted coal tar pitch impregnation.
在用煤沥青浸渍增密c/c复合材料时,如何提高煤沥青的残炭率,减少制造过程中闭气孔的形成,是降低复合材料制造成本的关键。
a high quality activated carbon has been prepared from coal tar pitch by chemical activation method using kcns solution as an activating agent and through appropriate technical conditions.
以煤焦油沥青为原料,使用kcns溶液活化处理,选择适宜的工艺条件,制备出优质的活性炭。