V2EX lactide

Lactide

释义 Definition

lactide(丙交酯):由乳酸(lactic acid)分子脱水缩合形成的环状二聚体酯(环状二酯),常用作合成聚乳酸/聚丙交酯(PLA, polylactide)等可降解材料的单体。注:该词也可能在不同语境下指不同立体异构体(如 L-, D-, meso- lactide)。

发音 Pronunciation

/lktad/

例句 Examples

Lactide is used to make biodegradable plastics.
丙交酯用于制造可生物降解塑料。

By carefully controlling the polymerization of lactide, scientists can tailor PLA for medical sutures and implants.
通过精确控制丙交酯的聚合过程,科学家可以定制聚乳酸,用于医用缝线和植入材料。

词源 Etymology

lactide 来自 lactic(乳酸的) + 化学后缀 -ide(常用于表示某类化合物/衍生物)。整体含义可理解为“由乳酸形成的一类化合物”,在化学中通常特指乳酸形成的环状二聚体酯。

相关词 Related Words

文学与著作中的用例 Literary Works

  • **Principles of Polymerization**(George Odian)在聚合反应与单体章节中讨论包括丙交酯在内的环状酯单体及其开环聚合。
  • **Handbook of Biodegradable Polymers**(相关编著)在可降解聚酯材料部分涉及 lactide/PLA 的制备与应用。
  • **Biodegradable Polymers and Plastics**(相关学术著作/编著)讨论丙交酯作为 PLA 前体在包装与医疗材料中的用途。
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