V2EX thermoset

Thermoset

释义 Definition

热固性材料;热固性塑料(也可作形容词):一种聚合物材料在加热/固化过程中发生交联并“定型”,一旦固化后通常不能再次熔融重塑(再次加热多为分解或碳化,而不是像热塑性塑料那样软化流动)。

发音 Pronunciation (IPA)

/θ.mo.st/

例句 Examples

Thermoset plastics don’t melt when heated.
热固性塑料加热时不会熔化。

Because the thermoset resin cross-links during curing, the final part keeps its shape and resists heat better than a thermoplastic one.
由于热固性树脂在固化过程中会发生交联,最终制件能保持形状,并且比热塑性材料更耐热。

词源 Etymology

thermo- 表示“热”(源自希腊语 thermē,意为“热”),set 表示“凝固、定型”。合起来强调这类材料是“通过受热而定型”的;其关键特征是固化后形成稳定的三维网络结构(交联)。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Materials Science and Engineering: An Introduction(William D. Callister)在聚合物分类中对 thermoset 与 thermoplastic 进行对比讲解。
  • Introduction to Polymers(Robert J. Young & Peter A. Lovell)讨论热固性聚合物的结构、交联与固化机理。
  • Plastics: Materials and Processing(A. Brent Strong)介绍热固性塑料在加工、性能与应用中的常见术语与案例。
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