卤代芳烃的氰化反应在液晶单体合成中广泛应用,但传统的加热方法反应时间长、温度高。
Cyanation of aryl halides is widely used in the synthesis of liquid crystals, but its traditional heating reactions require long time and high temperature.
摘要卤代芳烃的氰化反应在液晶单体合成中广泛应用,但传统的加热方法反应时间长、温度高。
Cyanation of aryl halides is widely used in the synthesis of liquid crystals but its traditional heating reactions require long time and high temperature.
采用胆甾混合液晶和单体混合,在紫外光照下4小时后,制备出了实际液晶显示样品单元。
The actual samples were prepared with chirality mixing liquid crystal and monomer in ultraviolet irradiation for 4 hours.
表明层状液晶体系是获取更多MB单体的理想介质。
Thus the lamellar liquid crystal system appears to be the ideal medium to acquire more MB monomers.
采用非等温差示扫描量热法(dsc)研究了一种长侧链取代液晶环氧单体与甲基六氢苯酐的固化反应历程,考察了体系的固化反应动力学特征。
A liquid crystalline epoxy monomer with long lateral substituent was cured with anhydride and the cure kinetics was investigated by non-isothermal DSC technique.
本论文根据混合液晶配制的需要,设计、合成了两类单体液晶,并将其添加到混合液晶中来改善混合液晶的综合性能。
According to the well properties of mixed liquid crystals, two kinds of liquid crystal monomers were designed and synthesized and then added to mixed liquid crystals.
结果表明,单体和聚合物均呈现向列型液晶织态结构,聚合物在较宽的温度范围内有很好的液晶性。
The results show that the texture of monomer and polymer are the type of nematic liquid crystalline, and the polymer has good liquid crystal performance .
单体的聚合通过维持该混合物处在一定的液晶态的条件下经紫外线固化来完成。
The polymerisation of the monomer is carried out by UV curing the mixture when it was kept in a specific phase which can be obtained by controlling the temperature of the ferroelectric liquid crystal.
聚合物的液晶行为用DSC、偏光显微镜和X射线衍射进行了表征,发现单体有热致液晶性;
The liquid crystalline behavior of the copolymers was characterized by DSC, polarizing microscopy with a heating stage and X ray diffractometer.
聚合使单体的液晶稳定性增加、液晶相温度范围变宽;
The stability of liquid crystalline phase was enhanced by polymerization.
探讨了单体摩尔比、反应温度、催化剂等因素对液晶合成的影响。
Then the effect of monomer molar ratio, reaction temperature and catalyst on the synthesis of LCP is studied.
发现含香草酸第三单体的PHB/PET/VA三元共聚酯具有较快共聚反应速率、较低熔融温度、典型热致液晶行为和良好成纤性。
The results show that PHB/PET/VAter-polyester with vanillic acid has faster copolycondensation rate, lower melting temperature, typical thermotropic liquid crystallinity and better spinnability.
两端带有碳碳双键,尺寸与液晶分子相近的刚性小分子单体在线偏振紫外光照射下聚合,形成的聚合物膜能够诱导液晶分子均匀取向。
The monomers with vinyl groups at two ends of the main chain after exposed to linearly polarized ultraviolet (LPUV) light can induce homogeneous alignment of liquid crystal molecules.
本发明还涉及该化合物的用途,该单体液晶可以用于混配液晶中,而这种混配液晶可应用于液晶显示器中。
The present invention also relates to the use of the compound, and the monomer liquid crystal compound may be used in compounding composite liquid crystal for LCD.
在胆甾液晶材料中掺入少量的聚丙烯类单体材料制作了一种新型的聚合物网络胆的液晶显示器。
A novel polymer network stabilized cholesteric liquid crystal display was fabricated by doping a low concentration of liquid crystalline monomer and polymerizing under UV light at planar state.
用平行液晶器件测定了混合液晶的响应速度,发现混入NCS单体10%后器件的响应速度约有20%的提升。
The response time of the liquid crystal mixture containing NCS material was 20% faster than the original LC material when the concentration of the NCS LC material is 10%.
用平行液晶器件测定了混合液晶的响应速度,发现混入NCS单体10%后器件的响应速度约有20%的提升。
The response time of the liquid crystal mixture containing NCS material was 20% faster than the original LC material when the concentration of the NCS LC material is 10%.
应用推荐