Preparation of Metal Nanoparticles Using Water-Soluble Poly ( Amic Acid) Salts as the Intermediate 以水溶性聚酰胺酸盐为载体制备金属纳米粒子
The potentiometric titration technique was used to determine the content of residual amic acid in polyimide, which was synthesized by the two-step method. 未完全环化的酰胺酸对聚酰亚胺的性能有重要影响,用电位滴定法可直接测定其含量。
Effect of molecular weight of poly ( amic acid) end-capped with phthalic anhydride on the rate of imidization 聚酰胺酸相对分子质量对亚胺化速率的影响
Preparation and Study of Polyimide and Poly ( Amic Acid) Micro-and Nano-spheres 聚酰亚胺及聚酰胺酸微纳米颗粒的制备及研究
Kinetic Study of the Thermal Imidization for Poly ( amic acid) Film 聚酰胺酸薄膜表面热亚胺化动力学研究
Study on store-stability of poly ( amic acid) s and hyperbranched polyimide 聚酰胺酸稳定性和超支化聚酰亚胺的研究
The poly ( amic acid) exhibited good solubility in common organic solvents. 该聚酰胺酸在普通有机溶剂中具有良好的可溶性。
A series of phthaloyl chitosans ( PCS) with different degree of substitution of amic acid were synthesized from completely deacetylated chitosan at room temperature. 室温条件下从完全脱乙酰化壳聚糖出发合成了不同酰胺酸取代度的邻苯二甲酰化壳聚糖,并以此为标样,标样的取代度由X射线光电子能谱(XPS)确定。
On the Storage-stability of Poly ( amic acid) s 聚酰胺酸贮存稳定性
And the rate of the polymer with 6 of polymerization degree had greater than that of the polymer, which polymerization degree was 18.But they had nearly the same content of residual amic acid at 20 min. 聚合度为6的聚酰胺酸反应速率稍大于聚合度为18的聚酰胺酸,但在反应初期较聚合度为18的慢,且它们的剩余聚酰胺酸的质量分数较为相近。
In this dissertation, we report our efforts on the preparation of Ag and Au NPs based on water-soluble poly ( amic acid) ( PAA) via a novel ion exchange self-assembly technique. 本文以水溶性聚酰胺酸(PAA)为基体,采用一种新颖的离子交换自组装法,分别在水溶液和固相超薄中制备银、金纳米粒子。
Mixed sol makes reaction heat of poly ( amic acid) reduce. 混合溶胶使聚酰胺酸的反应热降低,加速了聚酰胺酸的亚胺化反应。