The isothermal crystallization kinetics of nano-CaCO_3/ PP composites was analyzed by the Avrami equation. 并用Avrami方程分析了CaCO3/PP复合材料的结晶动力学。
The equations similar to the Ozawa equation can be derived by extending the Avrami equation, the Avrami rate equation or the Avrami basic theory. 结果表明用Avrami基本方程、速率方程和经典理论均可导出与Ozawa方程同形的方程。
The isothermal crystalline process was described by the Avrami equation and the value of n was related with the crystallization temperature. The value of k of PP/ Mont composite was decreased with increasing crystallization temperature. 用Avrami方程进行等温结晶动力学研究,参数n对结晶温度有依赖性,PP/Mont复合材料的k值随温度的升高而减小。
This isothermal crystallization kinetics of PP/ talc composites was treated using Avrami equation and the effect of talc on the crystallization activation energy was treated using Kissinger equation. 用Avrami方程全面分析PP/滑石粉的等温结晶动力学,并由此获得相关的动力学参数;用Kissinger方程研究滑石粉对PP/滑石粉复合材料结晶活化能的影响。
Flory's gelation theory and Avrami equation have been used to study the gelation time t g and the cure kinetics of epoxy resin/ organo-montmorillonite/ imidazole intercalated nanocomposites at various temperatures and organo-montmorillonite loadings. 运用Flory凝胶化理论和Avrami法研究环氧树脂/有机蒙脱土/咪唑插层型纳米复合体系在不同温度及不同有机蒙脱土用量时的固化动力学。
Study on Cure Kinetics of Epoxy Resin/ Montmorillonite/ Imidazole Nanocomposite by Avrami Equation Avrami法研究环氧树脂/蒙脱土/咪唑纳米复合材料的固化动力学
It is also found that the addition of organo-montmorillonite accelerates the rate of curing reaction, but has no change on the cure reaction mechanism, and the result dealt with Avrami equation is in good agreement with the experimental results obtained by dynamic torsional vibration method. 有机蒙脱土的加入,使固化速率加快,但并不改变固化反应的机理,Avrami方程可以很好地描述凝胶点后的固化动力学。
For the non-isothermal crystallization, the crystallization rate was increased while speeding up the temperature reduction; according to Avrami equation and Ozawa equation, the ratio of Avrami index and Ozawa index was calculated as 1.31-1.49, the activation energy-87.96 kJ/ mol. 在非等温结晶过程中,结晶速率随降温速率的增大而提高,综合利用Avrami方程和Ozawa方程得到Avrami指数与Ozawa指数的比值为1.31~1.49,非等温结晶活化能为-87.96kJ/mol。
The experiments were done to verify the feasibility of the use of Avrami equation. 3. 21 varieties of wheat flours were collected all around the country. 在全国范围内征集21个小麦品种,并对其小麦粉特性进行分析。
A new kinetics equation of non-isothermal crystallization derived by combining Avrami and Ozawa equation was proved to fit for kinetics of non-isothermal crystallization of iPS-b-iPP copolymers. 联合Avrami方程和Ozawa方程推导的非等温结晶动力学方程较好地描述了iPS-b-iPP嵌段共聚物的非等温结晶动力学过程。
Compared with the Avrami equation, the Price equation hardly makes progress on describing the behavior of polymer later stage crystallization. 与Avrami方程相比,Price方程仍不能较准确地描述高聚物等温后期结晶行为。
Avrami equation is valid for analyzing the isothermal crystallization of glass fiber reinforced polypropylene. 聚丙烯及玻璃纤维增强聚丙烯的等温结晶在相当大的结晶范围内符合Avrami方程;
The aging dynamics of the alloys is in agreement with the Avrami equation. 该合金的时效动力学符合Avrami方程。
The results showed that the Avrami index obtained from Ozawa equation was close to the theoretical value, the crystallization rate constant can be obtained directly from the advanced Ozawa equation, and the calculated linear growth rate almost coincided with the theoretical value. 结果表明,用Ozawa方程解析的Avrami指数与理论值相近,用改进的Ozawa方程可直接得到结晶速率常数,求出的线生长速率与理论值基本吻合。
Then the validity of Avrami equation and Price equation is evaluated. And the quantitative data are obtained that the four factors influent on the parameters of polymer crystallization kinetics. 利用模拟结果对Avrami方程和Price方程的有效性进行了评价,得到了上述四种因素对高聚物结晶动力学参数影响的定量数据。
The isothermal crystallization behaviors of nylon 1010 with different molecular weights were studied by DSC in this paper. Within the studied temperature scope, the isothermal crystallization behavior of nylon 1010 can be described by Avrami equation. 用示差扫描量热法(DSC)研究了3种不同分子量的尼龙1010样品的等温结晶行为,在所研究的温度范围内,尼龙1010的等温结晶过程符合Avrami方程。
The isothermal crystallization of PET suit Avrami equation, and as the crystallization temperature rises, crystallization rate constant K decreases, that is to say, crystallization rate decreases. 结果表明:PET切片在DSC中的等温结晶符合Avrami方程,等温结晶温度升高,结晶速率常数K值减小,即结晶速率降低;
Avrami equation was used to fit the isothermal crystallization. 用Avrami方程对复合材料的等温结晶动力学进行了处理。
It was demonstrated that the Avrami equation was suitable for describing the isothermal and non-isothermal crystallization process of P ( 3HB-co-4HB). 对DSC数据的结晶动力学分析表明:Avrami方程适合用来分析P(3HB-co-4HB)的等温、非等温结晶过程。
Based on Avrami equation, we applied the non-linear regression analysis in dealing with these curves. 以Avrami方程为基础,采用非线性回归方法解析质地变化曲线。
Avrami equation curve analysis that crystallization can be divided into two process: primary and secondary crystallization. Avrami方程曲线分析出结晶可以分为初级和次级结晶两个过程。
The Avrami equation was used to study the isothermal crystallization kinetics of PP and PP/ OvPOSS composites. Avrami方程能够描述PP和不同体系的PP/OvPOSS复合材料的等温结晶动力学。
The isothermal crystallization behavior of PLLA and its composites was studied with differential scanning calorimetry ( DSC) and the effect of nano-SiO2 was explored. The crystallization Kinetics under isothermal conditions was described by the Avrami equation. 通过差示扫描量热仪(DSC)研究了可反应性纳米二氧化硅对聚乳酸等温结晶行为的影响;用Avrami方程研究了聚乳酸及其复合材料的等温结晶动力学。
Finally we get the following conclusions. ( 1) Sample of pure PBT and PBT/ nucleating agent blends are well in line with the Avrami equation and Mo improve equation. 总结实验得出以下结论。(1)纯PBT以及PBT/成核剂共混体系的动力学参数能很好的符合Avrami方程和Mo改进方程。
The isothermal crystallization kinetics was investigated by differential scanning calorimetry for high-flow nylon 6. The Avrami equation has been adopted to study the crystallization kinetics. 利用DSC,以Avrami方程为基础研究了高流动性尼龙6的等温结晶动力学。