V2EX thermoplastic

Thermoplastic

定义 Definition

adj. / n. 材料科学中指一种受热会软化或熔融、冷却后又变硬的聚合物材料或相关性质。这个变化通常主要是物理过程,因此许多这类材料可以反复加热成型,但反复加工可能降低性能。常见于注塑、挤出、3D 打印和塑料回收等工程场景。

发音 Pronunciation

/θmoplstk/
/θmplstk/

例句 Examples

The bottle is made from a thermoplastic material.
这个瓶子是由热塑性材料制成的。

Because thermoplastic polymers can soften when heated, engineers often use them in injection molding and extrusion processes.
由于热塑性聚合物受热会软化,工程师常在注塑和挤出工艺中使用它们。

词源 Etymology

thermo-plastic 构成。thermo- 源自表示“热”的希腊语词根,plastic 源自表示“可塑造、可成形”的希腊语 plastikos。合起来表示“受热后可塑形”的材料特性。

相关词 Related Words

科学文献用例 Scientific Usage

  • 材料科学教材中常用来区分可反复加热成型的聚合物与热固性聚合物。
  • 聚合物工程论文中常用于讨论熔融加工、结晶行为、机械性能和热性能。
  • 制造业技术文档中常见于注塑、挤出、薄膜成型和3D打印材料说明。
  • 回收与可持续材料研究中常用于描述塑料的再加工性、性能衰减和材料分类。
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