Mesophase相关论文
Series of 2-(3-fluoro-4-alkoxy-1,1-biphenyl-4-yl)-benzoxazole liquid crystals(coded as nPF(3)PBx)are prepared,where a la......
A series of disk-rod-disk liquid crystal trimers were synthesized.CuI-NEt3 catalyzed alkyne azide cycloaddition in tolue......
Study on Phase Transformation Behavior of Strain-induced PLLA Mesophase by Polarized Infrared Spectr
The structural transformation of mesophase to crystalline phase of strain-induced poly(L-lactic acid) has been investiga......
Molecular simulations were performed to investigate the molecular structural effects on needle coke mesophase stacking. ......
β-Phase Crystallization of Poly(vinylidene fluoride) in Poly(vinylidene fluoride)/Poly(ethyl methacr
The nature of the crystalline phase of poly(vinylidene fluoride) (PVDF) in compatible blends with poly(ethyl methacrylat......
Binding property of Al/Mg/Al thin plates fabricated by one-pass hot rolling with different reduction
In this study,Al-Mg-Al trilaminated thin plates were fabricated by one-pass hot rolling to improve the processing capaci......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
煤焦油沥青在微型高压釜中、氮气氛下,通过改变反应温度和停留时间,制取了中间相沥青(MP).采用FTIR、偏光显微镜、XRD和SEM对MP进......
采取软、硬二种沥青与一,二,四苯基硅烷混合物共炭化方式,考察了硅取代聚芳烃中间相的生成.该炭化过程在反应釜中进行,控制实验条......
过滤后的煤焦油沥青分别与一,二,三,四苯基硅烷在1MPa氩气气氛和420℃～460℃温度下共炭化,合成了硅取代聚芳烃中间相.在四种合成中......
Synthesis and characterization of non-symmetrical liquid crystals containing a cholesteryl ester moi
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
SYNCHROTRON INVESTIGATION ON MESOMORPHIC STRUCTURE OF sPP AND POLY(ETHYLENE-CO-OCTENE) IN THEIR INIT
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
以煤焦油沥青为原料 ,鳞片石墨为添加剂 ,在 4 10℃温度下反应 7h制得了中间相炭微球 (MCMBs)。在扫描电子显微镜下对它们的表面和......
过滤后的煤焦油沥青分别与一,二,三,四苯基硅烷在1MPa氩气气氛和420℃～460℃温度下共炭化,合成了硅取代聚芳烃中间相.在四种合成中......
A novel process for fabricating coal-tar pitch derived carbon foam was introduced. The coal-tar based mesophase pitch wa......
Nematogenic and smectogenic liquid crystals from new heterocyclic isoflavone derivatives: Synthesis,
A new series of liquid crystals comprising eight heterocyclic isoflavone esters, 7-alkanoyloxy-3-[4'-(3-methylbutyloxyph......
对沥青样品采用冷镶嵌树脂成型,用自动磨抛机配不同粒级防水砂纸对成型样品多次研磨、抛光;将待测样品在反射式偏光显微镜下观察、......
沥青中间相的液晶特性和流变性对沥青碳纤维、Ｃ／Ｃ复合材料等高性能材料的制造，性能和结构有重要意义，强调了在玻璃相变温度附近的粘度变......
本文用透射电镜、X 射线衍射分析等方法观察和分析了辐射状中间相沥青基石墨纤维的显微结构。结果表明,中间相沥青基石墨纤维中同......
以煤沥青为原料,采用程序升温、多管井式坩埚炉进行热转化反应,研究不同结构反应器中中间相的热聚合行为.试验显示：煤沥青中间相的......
探讨了阴离子界面活性和盐析类电解质 (特别是直链烷基苯磺酸钠 (NaLAS)和柠檬酸钠(NaCitrate)对于市售非离子表面活性剂C12～ 15E〈......
为研究芳烃共炭化对制备炭微球的影响，以中温沥青为原料，采用热缩聚法制备中间相炭微球，添加富芳烃组分蒽油，利用红外光谱表征原料结构......
通过不以肼为原料的方法合成了一系列新型结构中含有吖嗪基团的不对称含氟液晶——N-（4-烷氧基苯甲醛）-N′-（4-氟苯甲醛）缩连氮,通过红......
Structural Characteristics of Mesophase Spheres Prepared from Coal Tar Pitch Modified by Phenolic Re
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用宽角X射线衍射和傅立叶变换红外光谱仪研究了等规聚丙烯的低温等温结晶.结果表明,在快速淬冷过程中中间相与α晶的生成动力学之......
中间相沥青基碳纤维具有模量高、强度大、密度低、导热性能好、耐热性能好、耐腐蚀、抗蠕变、电磁屏蔽等一系列优异性能。尤其以突......
将齐鲁石化胜利炼油厂的催化油浆和胜利减压渣油以不同的比较混合，然后在490摄氏度和0．8MPa的条件下炭化制备针状焦，所得针状焦的光学......
采用热台偏光显微镜对两种族组分不同的煤沥青升温至550℃进行观察。结果表明，族组分不同，中间相形成过程存在差别，原生喹啉不溶物（PQI......
采用＾１３Ｃ－ＮＭＲ、Ｘ－ｒａｙ衍射、扫描和透射电镜研究了二种ＱＩ－－原生ＱＩ、次生ＱＩ（喹啉不溶物）结构，并通过热转化试验考察了它们对中间相热转化过程的影响。结果表明......
利用动态热台显微镜法对比研究了两种合成亚甲基齐聚物（均四甲苯齐聚物和四氢萘齐聚物）的中间相形成及其转化行为，发现二者均可在中温......
在热转化试验装置上，采用程序升温对三种煤焦油沥青的中间相转化动力学进行了研究，求取有关动力学参数，提出了分段一级动力学模型的处......
在热转化装置上,对宝钢Ⅰ期焦油沥青(简称I-CTP)及其添加18%、30%脱晶蒽油(简称DCAO)制成的软沥青进行了中间相转化非等温动力学研......
The non-isothermal kinetics for mesophase transformation of Baogang-I coal tar pitch (I-CTP), soft pitch consisted of I-......
The macro-and micro-structure of two groups(high modulus and high thermalconductivity)of MP-based carbon fibres were stu......
采用耗散粒子动力学方法（dissipative particle dynamics,DPD）,以介孔分子筛SBA-15的合成原料P123/TEOS/H2O为研究体系,模拟了P123/T......
采用压力反应釜探讨了一种新型煤基沥青的炭化性能。结果发现，在试验的所有炭化条件下该原料均能够形成各向异性焦，说明融并性能良好......
用电镜(SEM,TEM)研究几种聚对苯二甲酸乙二醇酯-无机纳米复合材料结构.结果表明,无机相呈中间相结构分布.比较纳米SiO2和微米MMTs......
对剪切场作用下的全同聚丙烯/弹性体乙烯-辛烯共聚物（iPP/PEcO）的共混物结晶行为进行研究,结果表明,剪切使得iPP球晶密度增加,微晶和......
采用淬火法制备聚乳酸（PLA）非晶薄膜,并利用原位显微红外光谱在线研究PLA非晶薄膜在不同退火温度下的结构演化.结果表明,PLA非晶薄膜......
如何实现中间相的受控生长一直是中间相炭材料领域的热点问题之一。本研究以预处理后的FCC油浆为原料，采用一种带气流导向作用的变......
The morphological changes of a side-chain liquid-crystalline polymethacrylate during isotropi-zation and liquid-crystall......
The kinetics of mesophase formation of a lyotropic aromatic polyamide from isotropic state has been studied by means of ......
In the ethyl-cyanoethylcellulose ((E-CE)C)/dichloroacetic acid (DCA) cholesteric liquid crystalline solution, the hand-l......
The thermotropic liquid crystalline behavior of a fusible polydiacetylene has beenstudied by using polarizing optical mi......
A series of novel mesogenic polyamides containing a flexible pendent side group wassynthesized by solution condensation ......
MORPHOLOGICAL STUDIES OF A THERMOTROPIC SIDE-CHAIN LIQUID CRYSTALLINE POLYMER DURING MESOPHASE TRANS
The morphological features of a side-chain liquid crystalline polymer during the mesophasetransitions were investigated ......
It has been reported that at temperatures above the critical there is no “continuity of liquid and gas”, as originally......
Pre-freezing anomalies are explained by a percolation transition that delineates the existence of a pure equilibrium liq......
