V2EX polyimide

Polyimide

释义 Definition

聚酰亚胺:一类高性能高分子材料,具有耐高温、耐化学腐蚀、电绝缘性好、尺寸稳定等特点,常用于电子、电气绝缘、柔性电路、薄膜与航空航天材料等。(该词也可作形容词使用,如 polyimide film “聚酰亚胺薄膜”。)

发音 Pronunciation (IPA)

/plimad/

例句 Examples

Polyimide is used to insulate wires in high-temperature devices.
聚酰亚胺用于高温设备中的电线绝缘。

Because polyimide remains stable under heat and radiation, engineers often choose it for spacecraft insulation and flexible circuit substrates.
由于聚酰亚胺在高温和辐射下仍能保持稳定,工程师常用它作为航天器绝缘材料和柔性电路基材。

词源 Etymology

Polyimide 由 **poly-**(“多、聚合的”)和 imide(“酰亚胺,一类含 -CO-NH-CO- 结构的官能团/化学结构”)组成,字面意思是“由酰亚胺结构重复单元构成的聚合物”。该材料名称来自其化学结构特征,因此多见于材料科学与工程语境。

相关词 Related Words

文学作品用例 Literary Works

该词属于专业科技词汇,在经典文学(小说、诗歌、戏剧)中出现较少;更常见于材料科学教材、工程手册、学术论文、专利文献与工业标准中(例如关于“聚酰亚胺薄膜、耐热绝缘、柔性电路基材”的技术写作)。

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