煤沥青

  • 【冶】coal tar pitch
煤沥青煤沥青
  1. G2、G3型环氧煤沥青系列防腐涂料

    Coating Material of G_2 and G_3 Type Epoxy Coal Tar Series for Corrosion Protection

  2. 溶剂絮凝法制取低QI煤沥青的研究

    A study on low Qi coal tar pitch using solvent flocculation method

  3. 煤沥青中添加Fe(NO3)3的改质效果及其机理初探

    The effect of adding fe ( no_3 ) _2 on coal pitch and its mechanism

  4. 低QI含量煤沥青氢化产物的结构性质研究

    Study of the structures and properties of hydrogenated pitch with low Qi content

  5. 用FTIR法对煤沥青热氧化过程中结构转变的研究

    Study on structural transformation of coal tar pitch in thermo-oxidative processes by FTIR

  6. FT-IR表明,SBS与煤沥青发生了化学反应。

    FT-IR showed that a chemical reaction occurred between asphalt and SBS .

  7. 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。

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

  8. 采用FT-IR和元素分析研究改性煤沥青的热解过程。

    Pyrolysis process of the modified coal tar pitch is studied using FT IR and element analysis , respectively .

  9. 通过超临界流体(SCF)萃取,改善了煤沥青的炭化性质。

    The carbonization properties of coal-tar pitch were modified by supercritical fluid ( SCF ) extraction .

  10. 以沥青焦、煤沥青以及氧化沥青为原料,采用KOH活化法制备高比表面积活性炭。

    Activated carbons were prepared from asphalt coke , pitch and oxidated pitch by KOH activation method .

  11. 采用扫描电镜(SEM)观察改性后煤沥青的形貌;采用光学显微镜观察改性沥青热解产物的光学结构。

    Polarized microscope is employed to study the optical structure of pyrolyzed substances of the modified coal tar pitch and shapes of the modified coal tar pitch are observed through SEM .

  12. 煤沥青中含有大量的喹啉不溶物(QI)需要彻底脱除,低QI含量的净化煤沥青是制备浸渍剂沥青、中间相沥青、煤系针状焦的优质原料。

    Quinoline-insolubles in coal tar pitch should be removed completely . Purified pitch of low QI content is the raw materials of impregnation agent pitch , mesophase pitch and needle coke .

  13. 本文讨论了在煤沥青及其稀释沥青中添加Fe(NO3)3的改质效果,并初步探讨了改质机理。

    Abstract In this paper , the effect of adding Fe ( NO3 ) 2 , on the coal pilch and its dilute one is studed . The mechanism of modification is also discussed .

  14. 为了寻求输油管道全天候不停输防腐补伤、补口涂料,笔者介绍了G2、G3型环氧煤沥青涂料的技术性能、配制方法及应用前景。

    In exploration of weather-proof and non-stop operation for oil pipeline , the paper introduces those technical performance , preparing and mixing methods and their applicable future of G2 and G3 type epoxy coal tar coating material .

  15. 以煤沥青为原料一次能制备出3kg,BET比表面积为1437m2/g,强度为95%,表面pH值为7.3的沥青基球状活性炭。

    Pitch based spherical activated carbon has been prepared with a BET surface area of 1 437 m2 / g and strength of 95 % .

  16. 采用偏光显微镜研究PMB改性煤沥青的光学结构。

    Polarized microscope is employed to study the optical structure of semi-coke of the modified pitch .

  17. 采用傅立叶红外光谱(FT-IR)和核磁共振氢谱(1H-NMR)对煤沥青改性机理进行分析;

    The modification mechanism was studied by fourier transform infra-red ( FT-IR ) and 1H nuclear magnetic resonance ( 1H-NMR ) spectroscopy technologies , respectively .

  18. 以煤沥青为原料,使用KOH活化处理制备高品质活性炭。

    High surface area activated carbon ( HAC ) have been prepared from coal pitch by chemical activation method using KOH as a activating agent .

  19. 通过对2D炭预制体致密化发现,添加剂能够提高煤沥青对高密度的预制体的致密化效率。

    It was found that the additive could increase the densification efficiency when the high-density 2D carbon preform was impregnated and carbonized , though it seems the carbon yield maybe decrease to some degree .

  20. 采用热重和示差扫描量热技术(TG-DSC)对改性前后煤沥青的热解行为进行了分析。

    Thermal behavior of modified coal tar pitch was analyzed with thermogravimetric and differential scanning calorimetry ( TG-DSC ) .

  21. 探讨QI组分影响煤沥青热聚合改质的机理,结果表明,原料煤沥青所含原生QI炭微粒促进了热聚合改质过程中煤沥青芳烃分子的聚合。

    The mechanism of action of the QI component on the modification of coal-tar pitch has been explored . It is found that the primary QI carbonaceous particles enhance the polymerization of aromatic hydrocarbon molecules during the thermal modification .

  22. 分析了改质沥青生产装置的问题,证实了原料中QI含量对改质过程和产品质量的影响,探讨了QI影响煤沥青改质过程的机理。

    The existing problems in the modified asphalt production system are analyzed , the effect of QI concentration in feedstock on the modified process and product quality is proved , the influence of QI on mechanism of coal asphalt modified process is discussed .

  23. 以呋喃树脂为改性剂对煤沥青进行了改性,采用傅立叶红外光谱(FT-IR)和扫描电镜(SEM)对呋喃树脂改性煤沥青的机理进行了分析;

    Modification of coal tar pitch ( CTP ) as carbon materials was studied using furan resin as a modifer . The modification mechanism was studied using fourier transform infra-red ( FT-IR ) and scanning electronic microscope ( SEM ) respectively .

  24. 二乙烯基苯/煤沥青COPNA树脂热解产物的结构与性能研究

    Study on structures and properties of the pyrolyzed substance of condensed polynuclear aromatics resin using coal tar pitch as monomer and divinylbenzene as cross-linking agent

  25. 本论文以中温煤沥青为原料,蒽油和洗油为稀释剂调节煤沥青的软化点,再以混合溶剂离心法脱除软沥青中QI,蒸馏出溶剂得到精制软沥青。

    In this paper , medium temperature coal tar pitch was used as the raw material , and anthracene oil and wash oil were used to adjust the softening point as the diluents . Then remove QI from the soft pitch by the method of mixed solvent-centrifugal .

  26. 以1KPAN基高强纤维为增强体,以调制中温煤沥青为基体前驱体,采用高压浸渍-碳化工艺制备出了不同碳化压力状诚下的沥青基碳/碳复合材料。

    With 1K PAN-based HT carbon fibers as reinforcing materials and with modulated coal tar pitch as matrix precursor , bi-directional pitch-based carbon-carbon composites were obtained by HPIC ( High-Pressure Impregnation Carbonization ) technology under different carbonization pressure .

  27. 结果表明:TPA改性煤沥青的黏度与温度的关系曲线呈现W型,并且在200~225℃之间处于低黏流区,表观黏度值约200~400mPa。

    The experimental findings are as follows : ( 1 ) The curve of the relations between the viscosity and temperature is the " W " profile . There is low viscosity flow area at 200 ~ 225 ℃ in the modified coal tar pitch .

  28. 改性煤沥青的甲苯不溶吡啶可溶物(TI-PS)的含量一般保持在16.0%~19.0%;

    The content of TI-PS , which dissolves in pyridine but toluene , keeps a value from 16.0 % to 19.0 % .

  29. 煤沥青用四氢呋喃萃取分离得到四氢呋喃可溶物(THFS)和四氢呋喃不溶物(THFI)。

    Coal pitch is extracted with tetrahydrofuran to obtain tetrahydrofuran soluble ( THFS ) and tetrahydrofuran insoluble ( THFI ) .

  30. 本文进行了以煤沥青为单体、二乙烯基苯(DVB)为交联剂缩合多核芳烃(COP-NA)树脂热解产物的结构与性能研究。

    We have successfully synthesized the condensed polynuclear aromatic ( COPNA ) resin using coal tar pitch as monomer and divinylbenzene ( DVB ) as cross-linking agent in the presence of p-toluene sulfonic acid , the pyrolyzed substance structures and properties of which are studied in this paper .