mesophase

Effect of structure of refined pitch on thermal conversion of Mesophase

精制沥青结构对中间相热转化过程的影响

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A pitch mesophase can be prepared from petroleum pitch and coal tar pitch.

从石油沥青和煤沥青中制取沥青中间相物质.

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Mesophase microbeads were prepared from coal tar pitch by thermal condensation in atmospheric pressure.

以煤焦油沥青为原料采用常压热缩聚工艺制备中间相沥青微球.

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First pET-h α CGRP was transformed to E. After E. STUDY ON THE THERMAL CONVERSION OF MESOPHASE

中间相热转化行为研究

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Thermal polymerization time was conducive to the full formation of mesophase, financial and ultimately the formation of non-spherical mesophase streamlined, fibrous coke structure.

热聚时间的延长有利于中间相小球体充分生成，融并，最终形成非球中间相广域流线型、纤维状的生焦结构。

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Results show that the C-H bonds disappeared and the C-F bonds gradually increased in the process of reaction, the plane structure of mesophase pitch molecule was destroyed and distortion molecule construction of pitch fluoride was formed.

结果表明：随着氟化反应的进行C-H键消失，C-F键形成并逐渐增加；中间相沥青中原有的大分子平面芳烃结构被破坏。

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Carbon foams were prepared from coal tar pitch, petroleum mesophase pitch, and AR pitch.

分别以煤沥青 、 石油中间相沥青和AR沥青为前驱体制备炭泡沫材料.

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The relationships between oxidization/ car-bonization/ graphitization temperature, heating rate, raw material type of mesophase pitch and oxidative stabilization extent, graphitization extent, tensile strength/ modulus, electric resistance, and fiber structure are discussed.

讨论了氧化碳化与石墨化温度、升温速率、中介相沥青原料种类与氧化稳定化程度、石墨化程度、抗张强度与模量、电阻率、纤维结构的关系；

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The results show that the mesophase pitch has excellent spinnability with a much lower spinning temperature.

结果表明：加氢反应使煤沥青分子结构中引入了脂环结构，氢化沥青中间相具有优异的可纺性，纺丝温度可降低30℃左右。

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During the more than semicentennial development, the raw material used for producing carbonaceous mesophase extended to synthetic resin or synthetic pitch, such as naphthaline pitch, PVC/ PE mixed pitch and so on.

经过半个世纪的发展，制备碳质中间相的原料扩展到合成树脂或纯芳烃缩聚而成的合成沥青，如萘沥青、聚氯乙烯/聚乙烯混合沥青等。

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The Effect Factors of Mesophase Thermal Conversion Process Used for Needle Coke Formation

形成针状焦的中间相热转化过程中影响因素研究

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During petroleum thermal conversion, asphaltene yields coke via the second liquid phase and the carbonaceous mesophase.

在石油热转化过程中, 沥青质经由第二液相和碳质中间相转化为焦.

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Thermal pyrolysis of Daqing thermal tar and Xinjiang natural bitumen at various tempertures were studied with the purpose of investigating the mesophase transformation.

通过对大庆热裂化渣油、新疆天然沥青两种典型试样在热转化时中间相转化过程的考察，初步探讨了中间相形成的一般规律。

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Study on mesophase pitch derived from 1,2,4,5 tetramethylbenzene

均四甲苯合成中间相沥青的研究

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The dynamic parameters like reaction Velocity constant and activation energy of thermal polycondensation of modified ethylene tar pitch and ethylene tar pitch were obtained. In addition, the processes of catalytic modification and mesophase transition were analyzed in terms of the composition and structural changes in the pitches.

求得了改质沥青和乙烯焦油沥青热缩聚反应速度常数和反应活化能等动力学参数，并对催化改质过程和中间相传化过程的组成和结构变化进行了分析。

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Preparation of Mesophase Pitch by Thermal Conversion of FCC Slurry

FCC油浆热转化制备中间相沥青的研究

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Study on the thermal polymerization preparation of pre-polymer with high-content mesophase from coal tar pitch

软沥青热聚合制备高含量中间相预聚体的研究

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And the formation, growth, coalescent and solidify of mesophase spherule was continuously observed, while the slurry without pretreatment only showed the formation and solidify of the mesophase spherule.

未经处理的原料只观察到了小球的出现与固化，而预处理FCC油浆可以观察到中间相小球出现、长大、融并及固化的完整过程。

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The mesophase microstructures in the pyrolyzed residue at successive temperature and time intervals were examined with a polarization microscopy and the mechanism of mesophase transformation was revealed.

用偏光显微镜观察了在不同转化温度和不同停留时间时的中间相显微结构，从中间相显微结构的变化来探讨中间相转化机理。

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The kinetics of formation of the mesophase from solvent refined AnGang medium temperature pitch and Carbon black added was studied, with the Percentage of mesophase determined by microscope.

采用光学显微镜进行中间相定量，研究了溶剂重整的鞍钢中温沥青及其添加炭黑后的中间相生成动力学。

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Boron-substituted polyaromatic mesophase prepared by co-pyrolysis of a tar pitch with pyridine-borane complex under autogeneous pressure.

以煤焦油沥青和吡啶硼烷为原料采用加压热缩聚工艺制备硼取代聚芳烃中间相沥青.

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The results show that mesophase was stripe-like fine fiber structure at 350 ℃.

结果表明，在350℃时中间相呈条纹状的细纤维结构，此时中间相沥青的流动性良好，有利于纺丝。

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The molecular distributions and constitutions of toluene soluble ( TS) in decant oil mesophase pitch ( DOMP) and ethylene tar residue mesophase pitch ( ETMP) were studied using field desorption mass spectrometry ( FDMS).

用场解吸质谱（FDMS）对乙烯渣油中间相沥青（ETMP）和澄清油中间相沥青（DOMP）之甲苯可溶组分（TS）的组成结构进行了对比研究。

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Large diameter carbon filaments from mesophase pitch for thermal management applications

高导热大直径中间相沥青炭纤维的研制及结构表征

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Carbonaceous mesophase is an excellent precursor for carbon materials, especially those with high additional value.

炭质中间相是制备炭材料, 尤其是高附加值炭材料的优质前驱体.

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Thermal polymerization temperature was too low to form a mesophase ordering; temperature was too high, the coke prepared often poor and loosely ordered.

热聚温度过低，无法形成有序性中间相；温度太高，制备的生焦往往有序性差且结构松散。

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The result shows that pitch with high carbon yield, either mesophase pitch or modified pitch, is excellent impregnant for C/ C composites and helpful to rapid densification.

结果表明，中间相沥青及改性沥青等高残炭收率沥青是CC复合材料极佳的浸渍剂，有利于快速增密。

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