Dynamic TG was used to study the imidization kinetics of the fluorinated poly (amic-acid) film.
采用动态热重法研究了含氟聚酰胺酸在整个亚胺化反应温度范围内的反应动力学。
The results showed that the polymer with 1 of polymerization degree had the fastest imidization rate;
聚合度为1的聚酰胺酸的链段运动能力强, 反应速率快;
The change of imidization velocity during thermally staged curing was explained from molecular activity.
用热环化过程中分子活动性的变化解释了酰亚胺化反应过程中环化速率的变化。
The chemical structure of the freestanding films was investigated with FTIR spectroscopy and the degree of imidization was calculated.
采用傅里叶变换红外光谱仪(FTIR)对样品进行化学结构分析并且根据谱线计算了不同热处理下薄膜的亚胺化程度。
The tensile strength of polyimide film will also be affected by the temperature of de-solvent and the heating way of thermal imidization.
不同的去溶剂温度和热亚胺化的升温方式对聚酰亚胺薄膜拉伸强度也有较大的影响。
The imidization kinetics of the fluorinated poly(amic-acid) was studied with the whole imidization temperature range using thermal gravity analysis(TG).
采用动态热重法研究了含氟聚酰胺酸在整个亚胺化反应温度范围内的反应动力学。
Polyimides are important high-performance polymers which can be made by thermal imidization and by chemical imidization of their precursors poly(amic acids).
聚酰亚胺是一类高性能的聚合物,它可由其前驱体聚酰胺酸经热或化学亚胺化而得到。
The imidization kinetics of two kinds of fluorinated poly(amic-acid) films during the continuous increase of the temperature were investigated using dynamic TG method.
利用动态热重法研究了两种含氟聚酰胺酸薄膜在连续升温过程中的亚胺化反应动力学。
Not only the influence of different reactant concentration and mole ratio of monomers to the reactive yield , but also the influence of reactive temperature to the imidization degree were discussed.
讨论了不同反应浓度以及单体摩尔比对酰亚胺二元酸的产率的影响和反应温度对酰亚胺化程度的影响。
Not only the influence of different reactant concentration and mole ratio of monomers to the reactive yield , but also the influence of reactive temperature to the imidization degree were discussed.
讨论了不同反应浓度以及单体摩尔比对酰亚胺二元酸的产率的影响和反应温度对酰亚胺化程度的影响。
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