1) thermotropic
[,θə:mə'trɔpik]
热致性
1.
Synthesis and Characterization of Thermotropic Liquid Crystalline Polyurethane;
热致性液晶聚氨酯的合成及表征
2.
The thermotropic properties,the melting point(T_(m)) and the .
结果表明,所得聚氨酯产物在144~260℃均为热致性向列型液晶,其熔点(Tm)和清亮点(Ti)随着分子链柔顺性的增加而下降。
2) thermotropic liquid crystalline polymer
热致性液晶
1.
One kind of novel reactive thermotropic liquid crystalline polymer(LCPU) has been synthesized,UP/GF/LCPU in-situ hybrid composites have been successfully prepared by melt mixing technology.
利用自行合成的端基含有活性基团的热致性液晶聚合物(LCPU)对不饱和聚酯(UP)/玻璃纤维(GF)复合材料改性。
2.
In order to improve the mechanical properties and thermal stability of UP,in-situ hybrid composites of thermotropic liquid crystalline polymer(LCPU) with the group of —NCO synthesized by us,unsaturated polyester(UP) and glass fiber(GF) were successfully prepared by melt mixing technology and compression molding.
为了改进不饱和聚酯树脂在高低温和交变应力下力学性能和热稳定性较差的缺点,利用自行合成的端基含有活性基团的热致性液晶聚合物(LCPU)对不饱和聚酯(UP)/玻璃纤维(GF)复合材料改性,用DMA测试了共混物的动态力学性能,用扫描电镜(SEM)对材料断面的形态结构进行了研究。
3) thermotropic liquid crystal
热致性液晶
1.
A novel thermotropic liquid crystal curing agent was synthesized to modify epoxy resin.
合成了一种环氧树脂的热致性液晶固化剂 ,利用红外光谱、偏光显微镜 (POM )、差热分析仪 (DSC)、元素分析等手段确认其结构。
2.
Developments in blends containing thermotropic liquid crystal polymer with selfreinforcement property were reviewed.
综述了热致性液晶与热塑性工程树脂基质共混形成自增强的热塑性复合材料方面研究工作的进展。
4) thermotropic liquid crystallinity
热致液晶性
1.
The polysiloxanes exhibited an obvious and stable thermotropic liquid crystallinity and wide liquid crystalline temperature range up to 307 ℃,especially an unique columnar liquid c.
侧链液晶聚硅氧烷具有显著而稳定的热致液晶性， 其液晶相态温度范围可宽至３０７ ℃， 且可获得少见的柱状相液晶， 其广角 Ｘ 射线衍射谱图在０ 。
5) thermotropic liquid crystalline
热致性液晶
1.
Thermotropic liquid crystalline nematic phase of these block copolymers were identificd by DSC and POM with a hot stage, It is shown that for the copolymers no phase separation at lower temperatur.
ＤＳＣ和ＰＯＭ结果证明这些嵌段共聚物都属向列型热致性液晶。
6) Thermotropic liquid crystals
热致性液晶
1.
The development of the formation of lyotropic and thermotropic liquid crystals of cellulose and its derivatives,the relationship between the molecular structure and the liquid crystalline behavior and cellulose derivative composites with cholesteric order are reviewed with 79 references.
本文全面地综述了纤维素及其衍生物溶致性液晶和热致性液晶的形成，液晶性与大分子链结构，以及具有胆甾型液晶相结构的纤维素衍生物复合材料等方面的最新研究进展。
补充资料：热致性液晶纺丝熔体
分子式：
CAS号：
性质：具有旋光各向异性的成纤性液晶聚合物熔体。具代表性的是液晶聚芳酯（LCP）熔体，它在静态下具有多种结构，但在伸展流动及剪切力作用下，由于结构受破坏而取向成单分子链，易纺丝成形。其取向缓和所需时间长，因此可在取向状态下热处理固化而得高强高模和低膨胀系数纤维。
CAS号：
性质：具有旋光各向异性的成纤性液晶聚合物熔体。具代表性的是液晶聚芳酯（LCP）熔体，它在静态下具有多种结构，但在伸展流动及剪切力作用下，由于结构受破坏而取向成单分子链，易纺丝成形。其取向缓和所需时间长，因此可在取向状态下热处理固化而得高强高模和低膨胀系数纤维。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条