在聚合反应挤出过程中,化学热效应显著影响材料体系温度,从而影响反应速率以及高分子材料结构与流变性能。
The chemical calorific effect has a great influence on the temperature, the reaction rate, the polymer material structure and rheological property in reactive extrusion processes for polymerization.
用转矩流变仪研究了大分子偶联剂改性的滑石粉与聚丙烯的混炼性能,测得了转距与时间、温度、配方、转速的关系曲线。
Ultrafine talc modified with macromolecule coupling agent and PP was mixed with rheometer and curves of torsion, time, temperature, prescription and rev were investigated in this paper.
本文研究了不同溶剂对离子性和非离子性高分子稀溶液的分子构型和流变性能的影响。
The effect of solvent properties on molecular configuration and rheological behavior of ionic and non-ionic dilute polymer solutions was studied.
本文以分子动力学方法模拟了纳米级液体薄膜的流变特性。
The rheological behavior of nanometer-thick liquid film has been predicted by Molecular Dynamics Simulation.
茂金属聚乙烯的分子链长支化结构对其流变特性有重要影响,长支链可以使熔体弹性和剪切变稀效应明显增强。
The molecular long chain branch structure of metallocene polyethylene has great effects on it's rheological behavior, long chain branch can significantly enhance melt elasticity and shear thinning.
目的检测高分子右旋糖酐法致高血黏度大鼠模型血液有形成份及血液流变性指标,寻找其变化规律并分析原因。
Objective To detect indexes of the visible components and hemorheology of high blood viscosity rats model by high polymer dextran, look for the law of changes and analyze causes.
若选择合适的构造子并将其作恰当修饰,则有可能通过调节构造子间的超分子作用来调控体系的流变学行为。
If the building blocks are chose and modified rightly, it is possible to control the rheology properties by tuning the supramolecular interactions between building blocks.
介绍了HAAKE转矩流变仪的系统组成及其在高分子材料成型加工中的应用。
The composition of HAAKE torque rheometer and its application to polymer moulding were introduced.
萧乾的一生极富传奇性,他的人生选择及创作的流变,体现了一代知识分子对社会、人生和艺术的真诚;
Xiao Qian's whole life is extremely legendary, his life choices and changes in his works have manifested a generation of intellectual's sincerity to social, the life and the artistic.
对聚乙二醇交联制备的透明质酸衍生物材料进行流变性能测试,结合高聚物流变性能机理及聚合物分子结构对试验结果进行分析讨论。
The experimentation results were discussed with a test of the rheological properties of hyaluronic acid derivative cross-linked by polyethylene glycol, and a mechanism study of macromolecule rheology.
治疗前后血液流变学改变比较,低分子右旋糖酐也有降低血粘度的作用。
The change in blood rheology before and after treatment was compared and it was found that low molecular dextran also had an effect on reducing blood viscosity.
粘度是液体的主要传递性质之一,是化工、石油和流体工程等领域中所必需的基础数据之一,是水溶性高分子溶液重要的流变性质。
Viscosity is an important character of water-soluble polymer solution, meanwhile, it is basic data for chemical engineering, petroleum and fluid engineering.
高分子结构流变学研究流变性质与长链高分子结构的关系。
The polymer structural rheology studies the relations of rheological properties with long chain structure of polymers.
结果表明:在PA 6中加入少量的PAMAM树形分子即可显著提高PA的流变性能和加工性能,PAMAM可作为PA6的流变学改性剂和新型加工助剂。
It shows that the processing and rheological properties of PA6 are obviously improved with the addition of a small amount of PAMAM. PAMAM can act as rheological modifier and processing aid of PA6.
红外光谱的分析表明改性邻苯二甲酸二丁酯的加入减少了分子间的缔合作用,从而降低了粘度,提高了喂料的流变性能。
The modified DBP can decrease the association of the molecular in the feedstock to decrease the viscosity thus to improve the rheological behavior.
考察了低分子量阳离子瓜胶凝胶体系的流变特性,结果表明该体系具有良好的粘弹性和剪切变稀性。
Furthermore, the rheological properties of the gel systems were studied. The results show that the gel systems possess fine viscoelasticity and shear thinning property.
目的探讨脂质微泡与高分子聚合物超声造影剂在大鼠肠系膜微循环中的流变学特征。
Objective To investigate the microvascular rheology characteristics of lipid - and polymer-shelled ultrasound contrast agents in mesentery microcirculation of rats.
目的探讨脂质微泡与高分子聚合物超声造影剂在大鼠肠系膜微循环中的流变学特征。
Objective To investigate the microvascular rheology characteristics of lipid - and polymer-shelled ultrasound contrast agents in mesentery microcirculation of rats.
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