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- poly amic acid ester 聚酰胺酸酯
- Keywords poly（amic acid）s;gel;molecular sieve;store stability; 聚酰胺酸;凝胶;分子筛;稳定性;
- Keywords polyimide;partly imidized;poly（amic acid）;fiber;Imidization; 聚酰亚胺;部分成环;聚酰胺酸;纤维;亚胺化;
- Keywords pyran;fluorescence intensity;quantum yield;poly （amic acid）; 吡喃;荧光强度;量子产率;聚酰胺酸;
- Keywords polyimide;high performance;fiber;poly （amic acid）;synthesis;kinetics; 聚酰亚胺;高性能;纤维;聚酰胺酸;合成;动力学;
- Keywords Poly（amic acid）;Azobenzene;Polyimide;Second order nonlinear optical material; 聚酰胺酸;偶氮苯;聚酰亚胺;二阶非线性光学材料;
- Keywords polyimide;poly（amic acid）;the thermal solid-phase imidization;the solution imidization;potentiometric titration; 聚酰亚胺;聚酰胺酸;固相热亚胺化;溶液热亚胺化;电位滴定;
- 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.
- Synthesize poly(amic acid) by s-BPDA and 4,4'-ODA at 1:1(mol ratio ) in DMAC. 本论文中我们合成了苯胺齐聚物-聚酰亚胺梯度渐变的膜材料，并对其进行了表征：（1）以DMAC为溶剂，以摩尔比为1：1的s-BPDA和4,4’-ODA合成聚酰胺酸。
- The phenomonon was explained in view of the mechanism of chemical cyclization of poly(amic acid). 从聚酰胺酸化学环化反应机理出发对这一结果给予了解释。
- Store stability of poly(amic acid)s were investigated in different condition such as temperature, gelating state, adding molecular sieve. 考查了贮存温度、凝胶态、添加分子筛等条件对 PAA稳定性的影响 .
- Adipic acid can produce nylon 66 resin and adipic acid ester. 己二酸可生产尼龙66树脂，也可生产己二酸酯用作增塑剂、合成润滑剂。
- The storage stability of the poly(amic acid)s were investigated as function of temperature, gel state, addition of molecular sieve. 考察了贮存温度、凝胶态、添加分子筛等条件对 PAA贮存稳定性的影响 .
- Monodispersed phenyl-capped tetraaniline was added to the poly(amic acid) at different ratio, then the mixture was mixed with ultrasonic for 15h . （2）将苯封端苯胺四聚体以不同比例混入聚酰胺酸中，超声15h混匀，再将混合物刮到玻璃板上，然后逐段升温得到梯度膜。
- Two new derivatives of 4 - dicyanomethylene - 2,6 - dimethyl - 4H - pyran and the corresponding poly (amic acid) were synthesized and characterized. 两种新的4-二氰亚甲基-2;6-二甲基-4H-吡喃衍生物及对应的聚酰胺酸被合成和表征.
- By virtue of the anhydride property of the isoimide rings, the PIIs were reacted with the alcohols to form poly(amic acid) esters(PAEs). 利用异酰亚胺环具有酸酐性质的特点，使之与醇类反应，得到溶解性能优良的聚酰胺酯(PAEs)。
- A series of poly(amic acid)s based on pyromellitic dianhydride (PMDA) and oxydiphthalic tetracarboxylic dianhydride (ODPA) was prepared in different solvents. 在不同溶剂中合成了一系列均苯二酐 ( PMDA)型和二苯醚二酐 ( ODPA)型聚酰胺酸 ( PAA) .
- Maltose fatty acid ester was prepared with maltose and fatty acyl chloride in the presence of catalyst. 以麦芽糖和脂肪酰氯为原料,制备麦芽糖脂肪脂酸酯。
- It is known that sucrose fatty acid ester is an internationally accepted food additive with wide application scope. 蔗糖脂肪酸酯是一种国际上公认的食品添加剂,具有广泛的应用范围。
- For the first time, a series of novel single-walled carbon nanotubes (SWNT) / poly(amic acid) (PAA) graft composites were synthesized, and their complexes were prepared using the capability of coordination from poly(amic acid) containing bithiazole rings. 首次合成了一系列新型的单壁碳纳米管接枝聚酰胺酸的复合物,利用含联噻唑环聚酰胺酸的配位能力,制备了其金属配合物并研究了它们的磁性能和电性能。 本工作的一个重要结果是:这类配合物具有电、磁复合功能,既克服了碳管的非磁特性又可合理利用其导电性。
