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- Keywords Polyamide Acid;Film;Stretching;Polyimide; 聚酰胺酸;薄膜;拉伸;聚酰亞胺;
- The polyamide acid (PAA) is in situ synthesized by chemical synthesis theory, and the polyimide composite is prepared by TEOS modification. 摘要依據化學(xué)合成原理，采用原位一體工藝，合成聚酰胺酸(PAA)，通過(guò)正硅酸乙酯的改性，制成聚酰亞胺復合材料；
- The adhesive strength of the acid film was stronger than that of the alkali film. 堿性鍍層的結合強度優(yōu)越于酸性鍍層。
- Keywords polyamide acid;polyimide;film;stretch;cast;monoaxial;biaxial; 聚酰亞胺;聚酰胺酸;薄膜;流涎;單軸拉伸;雙軸拉伸;
- Adding stearic acid into chitosan solution,edible packaging films(Chitosan film and chitosan\|stearic acid film)were prepared by casting method. 對膜的性能如抗拉強度、伸長(cháng)率、水蒸氣透過(guò)率、氣體透過(guò)率、折痕等進(jìn)行了分析。
- Keywords polyimide fiber;polyamide acid;imidization;morphology;preparation; 聚酰亞胺纖維;聚酰胺酸;酰亞胺化;形態(tài)結構;制備;
- Keywords polyimide fiber;polyamide acid;thermal imidization;mechanical properties; 聚酰亞胺纖維;聚酰胺酸;熱酰亞胺化;力學(xué)性能;
- He gave me a taste of his acid wit. 他讓我嘗到了他敏銳尖刻之機智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把銀器的表面腐蝕了。
- I am doing an experiment of neutralizing acid. 我在做一個(gè)中和酸的實(shí)驗。
- Can Jones beat Smith? That's the acid test. 瓊斯能擊敗史密斯嗎？那是個(gè)嚴峻的考驗。
- A salt or an ester of boric acid. 硼酸鹽一種硼酸鹽或硼酸酯
- She dropped acid in high school. 她高中時(shí)代服迷幻藥。
- The metal is fretted with the acid. 金屬被酸腐蝕。
- A Mature Polyamide Resin Producer and Exporter. 成熟的聚酰胺樹(shù)脂生產(chǎn)商和出口商。
- The chemical can behave as an acid. 這種化學(xué)制品能起酸的作用。
- Fibre ropes for general service. Polyamide. 通用纖維索。聚酰胺。
- The acid has eaten through the metal cover. 酸已把金屬蓋子蝕穿了。
- The worker's overalls were badly burned by acid. 這位工人的工作裝被酸腐蝕得很厲害。
