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- The acetyl degree of substitution( A DS ) of AEC was determined by NMR, IR. The relationship between thermotropic liquid crystalline properties, texture and A DS of AEC was studied by means of DSC, HSPLM. 用NMR、IR测定了AEC的乙酰取代度(A-DS),用DSC、HSPLM研究了AEC的热致液晶性能、织构与A-DS的关系。
- Thermal transitions and liquid crystalline properties of copolyesters based onpoly(butyleneterephthalate)(PBT)and p-hydroxybenzoic acid(PHB ) were examined byDSC and hot stage polarizing microscopy. 采用差示扫描量热仪和热台偏光显微镜研究了对羟基苯甲酸(PHB)/聚对苯二甲酸丁二酯(PBT)共聚酯的热转变行为和液晶性。
- In this paper,The study on lyotropic crystals and thermotropic crystals of cellulose and its derivatives is reviewed in detail,including liquid crystalline properties,and rheological properties. 就纤维素及其衍生物溶致性液晶和热致性液晶的液晶性及其影响因素、和流变性能等方面的研究作了较为详尽的综述。
- The thermotropic liquid crystalline properties of PEAs obtained with different DMBD/BPA(mol) are characterized by DSC, polarizing optical microscope(POM) and wide angle X ray diffraction. 用DSC、X光衍射分析和偏光显微镜等手段表征了该类聚合物的热致液晶性质,确认了不同单体比例的PEA均为热致向列型液晶聚合物,且不出现液晶相转变温度直至聚合物分解。
- liquid crystalline property 液晶性
- STUDY ON THERMOTROPIC LIQUID CRYSTALLINE PROPERTIES OF ACETYL ETHYL CELLULOSE AND ITS IN SITU COMPOSITE WITH PA6 乙酰乙基纤维素的热致液晶性能及其与PA6原位复合的研究
- Effects of concentration and boundary conditions on cholesteric liquid crystalline condensed state structure and optical property of ethyl-cyanoethyl cellulose were investigated. 在胆甾相与各向同性相共存时,随着浓度的变化,溶液会呈现出多种织构形态。
- Compared with other resins, thermoset liquid crystalline resins (TLCR) have superior manufacturability, mechanical property, heat resistance and dielectric property. 摘要与其它树脂相比,热固性液晶树脂的成型工艺性、机械性能、耐热性、电性能等更为优异,应用前景更为深远。
- Structure and Liquid Crystalline Properties of Thermotropic Liquid Crystalline Polyesteramides with Regular Aromatic-Aliphatic Chain Structure 热致液晶规则芳-脂族聚酯酰胺的结构与液晶性能
- The crystalline property of granular resistant starch(RS) was studied by X-ray diffractometer. 采用X-射线衍射仪对颗粒态抗性淀粉的结晶性质进行了研究。
- Water absorption, emulsifying property and crystalline property of the amphiphilic(styrene-butadiene-ethy-lene oxide)multiblock copolymers were studied. 研究了(苯乙烯-丁二烯-环氧乙烷)两性多嵌段共聚物的吸水性能、乳化性能及结晶性能。
- A side chain liquid crystalline polysiloxane with p( allyloxy) benzoxy p cyanophenyl as a monomer was synthesized. 研究以对-烯丙氧基苯甲酸对-氰基苯酚酯为单体的聚硅氧烷侧链液晶高分子的合成方法。
- Application of radial liquid crystalline macromolecules as stationary phase of capillary GC. 星形大分子液晶在毛细管柱气相色谱分析中的应用研究。
- A synthetic liquid crystalline compound was studied by means of variable-temperature FT-IR spectroscopy. 摘要对合成的液晶化合物进行变温红外光谱研究。
- Butyryl chitosan can form cholesteric liquid crystalline phase by dissolving in more than ten solvents. 丁酸壳聚糖能溶于十多种溶剂中形成胆甾型液晶相。
- The liquid crystalline of T(2-ROP)PH2 and their metal derivatives were indicated by DSC and polarized-light microscope. 另外,用DSC和偏光显微镜对T(2-ROP)PH_2及其金属配合物的液晶性能进行了研究。
- The theoretical study predicted the stability ranges of various lyotropic liquid crystalline phases. 理论预测了各种溶致液晶相的稳定区域。
- Then the synthesis of ladderlike polysiloxane liquid crystalline with different mesogenic units was introduced. 介绍了几种液晶基元不同的梯形聚硅氧烷液晶的合成;
- They could form liquid crystalline state,and dissolve in chloroform/ p-chlorophenol solvent. 它们都具有液晶性,可溶解于氟仿-对氯苯酚混合溶剂,不溶于氯仿。
- The characters of liquid crystalline were showed by studying polymer with DSC, SAXD,WASXD,PLM . 超支化聚酯是以3,5二羟基甲苯和3,5二羟基苯甲酸为原料,采用“一锅煮”的方法合成而得。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries