• 这些优异性能主要来自液晶聚酯大分子高度刚性

    These superior properties ale related with high chain stiffness of liquid crystalline plastics.

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  • 增稠作用分子配位结合形成大分子结果。

    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.

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  • 结果表明大分子上的氯取代基对分子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.

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  • PP大分子上接枝极性基团乙烯基单体显著提高PP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.

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  • 红外光谱分析表明,甲基丙烯酸单体聚丙烯大分子原子发生共聚。

    IR analysis shows that graft copolymerization takes place on the tertiary carbon atom of PP molecular chain.

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  • 柠檬酸作为侧基引入羧酸大分子链中,合成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.

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  • 阴离子型聚电解质极性溶剂发生电离,导致大分子带有大量负电荷

    Anionic polyelectrolytes can ionize in polar solvent, forming macromolecule chains with lots of anionic charge.

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  • 水溶性聚合物是指聚合物亲水性大分子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.

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  • 大分子的分子内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.

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  • 结果表明纤维大分子卷曲收缩能力分子间作用力相互关系影响纤维上述性能根本因素

    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.

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  • 提高沙蒿水溶性使应用得以拓宽,采用大分子引入甲基基团,制备羧甲基沙蒿胶方法。

    In order to improve the water solubility of artemisia glue and widen the application field, carboxylmethyl group was introduced into its molecular chain.

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  • DSC表明剥离型纳米复合材料稳定性提高由于蒙脱土纳米片基体大分子相互作用的结果。

    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.

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  • 主要包括合成方法刚性介基元枝到纤维素及其衍生物大分子链上以后其液晶性质影响及可能理论解释。

    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.

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  • 分子运动角度分析,糊料流动高聚物大分子协同“跳跃实现整个分子质量中心位移,对质具有直接影响

    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.

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  • 振动力场强化了EPDMPP两相间结合,使得大分子段发生断裂分解所需温度增大提高了TPE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.

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  • 印花织物印制效果参数过程相应性分析,凡是影响糊料高聚物大分子运动因素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.

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  • 于是本文又选用了含较短第三单体丙烯酰胺(AM),加入凝胶体系中降低脆性增加共聚物大分子链抱合力

    And then the third monomer acrylamide (am) with short side chain is added in the gel systems to decrease brittleness and increase elasticity.

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  • 结果表明酸度温度浓度复合影响PAA/PAM复合水溶液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.

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  • 聚氨酯称为氨基甲酸含有重复氨基甲酸酯基团大分子化合物统称

    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.

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  • 大分子聚合物减少尺寸液滴数量作用可以解释聚合物分子卷曲交迭从而使溶液黏度大幅度增加。

    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.

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  • 聚丙烯加工时受热发生大分子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.

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  • 通过大分子反应,合成了一类羧基磺酸基,支带聚氧乙烯基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.

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  • 设计将扭曲、非共平面杂萘联苯结构引入酰胺大分子,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.

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  • 大分子分类,介绍了近年来大分子前药研究进展

    Recent progresses in the studies of macromolecular prodrugs are summarized on types of main chain of macromolecular.

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  • 这种重复结构产生大分子

    The repeating structure results in large chain like molecules.

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  • 摘要通过大分子反应苯甲酸(BA)聚苯乙烯(PS),制得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.

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  • 树状多肽作为树枝大分子一种具有不同于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.

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  • 磨耗不仅导致高分子断裂而且可能会发生转移反应大分子自由基的异构化反应。提出胶料磨耗机械力引发的具有反应特征的力化学反应结果

    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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  • 磨耗不仅导致高分子断裂而且可能会发生转移反应大分子自由基的异构化反应。提出胶料磨耗机械力引发的具有反应特征的力化学反应结果

    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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