这些优异性能主要来自于液晶聚酯大分子链的高度刚性。
These superior properties ale related with high chain stiffness of liquid crystalline plastics.
钴皂的增稠作用是皂分子因配位结合形成大分子链的结果。
The thickening ability of cobalt monosoap in non- polar media may be ascribed to the formation of polymer chains through the coordination bonding between soap molecules.
结果表明,大分子链上的氯取代基对分子链进一步氯化起阻碍作用;
The results showed that chloric substituent in polymer chains prevented the chains from further chlorination.
在PP大分子链上接枝含极性基团的乙烯基单体,可显著提高PP的阻燃性能;
The introduction of the vinyl monomer containing polar group into PP macromolecular chain could improve the flame retardance of PP obviously.
红外光谱分析表明,甲基丙烯酸单体在聚丙烯大分子链的叔碳原子上发生接枝共聚。
IR analysis shows that graft copolymerization takes place on the tertiary carbon atom of PP molecular chain.
将柠檬酸作为侧基引入到聚羧酸大分子链中,合成了一种新型聚羧酸系高效减水剂。
A new polycarboxylic acid type superplasticizer was synthesized by introducing citric acid to polycarboxylic acid molecule as branch in order to solve concretes slump-loss, bleeding and segregation.
阴离子型聚电解质在极性溶剂中会发生电离,导致大分子链上带有大量的净负电荷。
Anionic polyelectrolytes can ionize in polar solvent, forming macromolecule chains with lots of anionic charge.
疏水缔合水溶性聚合物是指在聚合物亲水性大分子链上带有少量疏水基团的一类水溶性聚合物。
The water-soluble polymers with a low content of hydrophobic groups in the main chains are called hydrophobic associative water-soluble polymer.
但因大分子链的分子内和分子间易形成氢键,所以不宜溶于许多有机溶剂,加工成型性能较差。
Because there are many hydrogen bonds between intramolecular and intermolecular chains, they cannot dissolve in many organic solvents, and their processing performance is poor.
结果表明:纤维大分子链卷曲收缩能力和分子间作用力的相互关系是影响纤维上述性能的根本因素。
The results show that the interrelation of molecular recovery ability and intermolecular force in the fibre is basic factor which affect above-mentioned fibre properties.
为提高沙蒿胶的水溶性而使其应用得以拓宽,采用向其大分子链引入羧甲基基团,制备羧甲基沙蒿胶的方法。
In order to improve the water solubility of artemisia glue and widen the application field, carboxylmethyl group was introduced into its molecular chain.
DSC表明,剥离型纳米复合材料的热稳定性提高,这是由于蒙脱土纳米片层与基体大分子链相互作用的结果。
DSC indicates that thermal stability of the composites is enhanced. This is due to the intercalation of molecular chains of matrix with exfoliated layers of MMT.
主要包括其合成方法和刚性介晶基元接枝到纤维素及其衍生物大分子链上以后对其液晶性质的影响及可能的理论解释。
The synthesis and the effect of the molecular structure on the liquid crystalline property were discussed when the mesogenic unit was grafted on the backbone of cellulose and its derivatives.
从分子运动角度分析,糊料流动是高聚物大分子链段协同“跳跃”而实现整个分子质量中心位移,对传质具有直接影响。
Analysing in the view of molecular kinetic theory, paste flowability is a shift of molecular mass center by the jump of polymer chain segment, and it affects the mass-transfer directly.
振动力场强化了EPDM与PP两相间的结合,使得大分子链段发生断裂和分解所需温度增大,提高了TPE的热稳定性能。
The vibration force field strengthens juncture between EPDM and PP, and increases temperature in which macromolecular chains are broken and decomposed, which enhances heat stability of TPE.
从印花织物印制效果参数与传质过程相应性分析,凡是影响糊料高聚物大分子链段运动的因素都将影响印花过程的传质现象。
As viewed from the relationship of the printing effect and the mass-transfer, all the elements affecting the movement of polymer chain segment of paste can affect the mass-transfer during printing.
于是本文又选用了含侧链较短的第三单体丙烯酰胺(AM),加入凝胶体系中来降低其脆性,增加共聚物大分子链间的抱合力。
And then the third monomer acrylamide (am) with short side chain is added in the gel systems to decrease brittleness and increase elasticity.
结果表明,酸度、温度、浓度和复合比影响PAA/PAM的复合水溶液中大分子链的构象和流体力学体积,适度的氢键作用可以形成均相的复合溶液。
The results showed that formation and hydrodynamic volume of complex solution are influenced by the acidity, temperature, concentration and weight ratio of PAA/PVA complex solution.
聚氨酯全称为聚氨基甲酸酯,是主链上含有重复氨基甲酸酯基团的大分子化合物的统称。
The full name of the polyurethane is the poly - urethane, which is a general designation of the macromolecular compound containing repeated amino acid ester groups.
大分子聚合物减少小尺寸液滴数量的作用,可以解释为聚合物分子链卷曲交迭从而使溶液的黏度大幅度增加。
The role of high molecular weight polymers in reducing droplet size is explained in terms of polymer coil overlap which results in a large increase in the viscosity of the solution.
聚丙烯在加工时受热将发生大分子断链降解,致使分子量减小,熔体指数上升。
PP will degrade due to heat during processing, resulting in chain scission of macromolecule, reduction in molecular weight and rise in MI.
通过大分子反应,合成了一类主链带羧基、磺酸基,支链带聚氧乙烯基醚的聚羧酸系高效减水剂。
Polycarboxylate superplasticizer with carboxylic, sulfonation groups in its main chain and polyoxyethylene ether as side chains was prepared by the macromolecular reaction.
设计将扭曲、非共平面的杂萘联苯结构引入聚芳酰胺亚胺的大分子主链,获得了耐高温、可溶解的新型聚芳酰胺亚胺。
A series of new aromatic poly(amide imide)s PI-P IV containing phthalazinone moieties are synthesized from the novel diamines I - IV by direct Yamazaki polycondensation.
按大分子主链分类,介绍了近年来大分子前药的研究进展。
Recent progresses in the studies of macromolecular prodrugs are summarized on types of main chain of macromolecular.
这种重复结构产生链状大分子。
The repeating structure results in large chain like molecules.
摘要:通过大分子反应将苯甲酸(BA)键合在聚苯乙烯(PS)侧链,制得芳羧酸功能化的聚苯乙烯psba。
Abstract: Benzoic acid (BA) ligand was bonded on the side chains of polysulfone (PS) via a polymer reaction and obtained aryl carboxylic acid-functionalized polysulfone PSBA.
树状多肽作为树枝状大分子的一种,具有不同于链状多肽的独特理化特性,在生物学领域中具有广泛的应用。
Peptide dendrimer, as a member of dendrimeric materials, has a lot of unique physical and chemical characteristics compared to normal peptide chains.
磨耗不仅会导致高分子链的断裂,而且可能会发生链转移反应和大分子自由基的异构化反应。提出了胶料磨耗是机械力引发的具有链式反应特征的力化学反应的结果。
The results show that the abrasion process is similar to its aging by heat and oxygen. The abrasion not only resulted in the fragmentation of macromolecule chain, but also would lead to ch…
磨耗不仅会导致高分子链的断裂,而且可能会发生链转移反应和大分子自由基的异构化反应。提出了胶料磨耗是机械力引发的具有链式反应特征的力化学反应的结果。
The results show that the abrasion process is similar to its aging by heat and oxygen. The abrasion not only resulted in the fragmentation of macromolecule chain, but also would lead to ch…
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