
热致液晶
The development of lyophilic liquid crystal polymer has stimulated the development of thermotropic liquid crystal polymer.
亲液性液晶聚合物的发展刺激着热致性液晶聚合物的发展。
A series of thermotropic liquid crystal aromatic copolyesters with different length of flexible chain spacer have been investigated by FTIR.
本文用富里叶红外光谱方法研究了一系列柔性间隔链段长度不等的芳香共聚酯热致性液晶高分子。
The results demonstrate that this novel polyamide has an obvious liquid crystalline behavior when being heated into molten state, and is a typical kind of thermotropic liquid crystal.
结果表明,该聚酰胺在熔融状态下具有明显的液晶态结构,属于典型的主链型热致液晶。
Thermotropic liquid crystal plastics (LCP) are high performance engineering resins commercially produced abroad in1980's.
热致性液晶塑料是国外八十年代工业化的一类高性能工程塑料。
Glass fiber and whiskers as well as thermotropic liquid crystal polymer may achieve remarkable reinforcement.
PA增强机理包括能量转移理论和交联理论, 玻璃纤维、 晶须对PA的增强效果明显。
Their thermotropic liquid crystal properties were stu***d with polarizing optical microscopy and differential scanning calorimetry.
通过偏光显微镜和差视扫描量热法对这些化合物的热致液晶性进行了研究。
The thermotropic liquid crystal properties were stu***d through polarizing optical microscopy (POM) and differential scanning calorimetry (DSC).
化合物热致液晶性通过偏光显微镜(POM)和差示扫描量热法(DSC)研究。
In-situ composites, consisting of reinforcing thermotropic liquid crystal polymers and thermoplastic matrix, are reviewed together with their preparation, structure and properties.
综述了由增强性的热致液晶高聚物和热塑料聚合物基体组成的原位复合材料及其制备、构和性能。
Characteristics of thermotropic liquid crystal polymers used as high-performance moulded products are commented.
评价了热致液晶高聚物作为高性能成型材料的特点。
It reviewed epoxy toughened by resin alloy, and discussed several new technologies of toughening epoxy such as modified by thermoplastic resin, thermotropic liquid crystal polymer and IPN.
综述了环氧树脂的树脂合金化增韧改性,着重讨论了热塑性树脂、热致液晶聚合物和互穿网络结构等环氧树脂增韧改性新技术。
The results showed that PPC was a thermotropic liquid crystal and displayed the cholesteric banded texture.
结果表明,产物PPC具有明显的热致液晶性能,且呈现出胆甾型液晶的彩色条纹织构;
The results showed that the polymer is a thermotropic liquid crystal and appeared of nematic and smectic texture.
结果表明,该聚合物为热致液晶,能够呈现近晶相和向列相织构。
Liquid crystal polymers include thermotropic liquid crystal polymer (TLCP) and lyotropic liquid crystal (LLCP).
液晶高分子分为热致性液晶聚合物(TLCP)和溶致性液晶聚合物(LLCP)两种。
Oxygen enriching membranes are first prepared from room temperature thermotropic cholesteric liquid crystal and ethyl cellulose.
首创了室温热致胆甾液晶与乙基纤维素共混富氧膜。
The results show that the monomer has thermotropic, all the copolymers have nematic thermotropic liquid polymers and liquid crystal phase with broad temperature ranges.
所有的共聚物均为向列型热致液晶高分子和具有较宽的液晶态温度范围;
The results show that the monomer has thermotropic, all the copolymers have nematic thermotropic liquid polymers and liquid crystal phase with broad temperature ra…
所有的共聚物均为向列型热致液晶高分子和具有较宽的液晶态温度范围;
The results show that the monomer has thermotropic, all the copolymers have nematic thermotropic liquid polymers and liquid crystal phase with broad te…
所有的共聚物均为向列型热致液晶高分子和具有较宽的液晶态温度范围;
“Thermotropic liquid crystal”(热致液晶)是一种在特定温度范围内呈现液晶态的物质,其特性介于固态晶体与液态之间。以下是详细解释:
基本定义与特性
热致液晶由单一化合物或少数化合物混合物形成,仅在特定温度区间内表现出液晶相。它兼具液体的流动性和晶体的各向异性,例如分子沿特定方向有序排列,导致光学、电学性质的各向异性。
分类与对比
合成与应用
通过熔融缩聚法可合成热致液晶共聚酯(如含PET的共聚酯),用于增强材料性能。例如,作为增强纤维改善热塑性塑料的机械强度,或用于环氧树脂增韧。
物理化学性质
具有双折射、电光效应等特性,可通过外场(热、电、磁)调控分子排列,适用于显示技术、传感器等领域。
热致液晶是温度敏感型功能材料,其独特的相变行为与可调控性质使其在工程塑料、光电设备等领域有重要应用。
热致动液晶是一种具有特殊物理性质的液晶体系,能够对温度的变化做出响应,发生相变。下面将对该词进行详细解释。
名词
热致动液晶是一种特殊的液晶体系,它能够对温度的变化做出响应,从而发生相变。
英式发音:[θɜːməʊˈtrɒpɪk ˈlɪkwɪd ˈkrɪstl]
热致动液晶是一种重要的材料,在液晶显示器、光学器件等领域都有广泛的应用。
液晶是一种介于固体和液体之间的物质,在特定的温度范围内表现出一些特殊的物理性质。热致动液晶是一类具有特殊物理性质的液晶体系,它能够对温度的变化做出响应,从而发生相变。一般来说,热致动液晶具有两种不同的相,即向列相和胆甾相。当温度升高时,向列相会发生相变,由向列相转变为胆甾相。而当温度下降时,胆甾相会发生相变,由胆甾相转变为向列相。这种相变现象使热致动液晶成为一种重要的材料,在液晶显示器、光学器件等领域都有广泛的应用。
热致液晶
非热致动液晶
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