V2EX polymer melt

Polymer Melt

释义 Definition

聚合物熔体:指聚合物(常见于热塑性塑料)在加热到熔融状态后形成的可流动材料体系,常用于挤出、注塑等加工过程;其流动性与黏度会随温度、剪切速率和分子量等因素变化。(在某些语境下也可泛指“聚合物熔融过程”。)

发音 Pronunciation (IPA)

/plmr mlt/

例句 Examples

The polymer melt flows into the mold.
聚合物熔体流入模具中。

As the temperature rises, the polymer melt’s viscosity drops, which improves filling but can increase the risk of flashing at the parting line.
随着温度升高,聚合物熔体的黏度下降,这有助于充模,但也可能增加在分型面处产生飞边的风险。

词源 Etymology

polymer 来自希腊语:*poly-*(“多”)+ meros(“部分”),表示“由许多重复单元组成的物质”;melt 源自古英语 meltan(“融化”)。合起来 polymer melt 就是“处于熔融状态、可流动的聚合物材料”。

相关词 Related Words

文学与作品 Literary Works

  • Principles of Polymer Processing(Zehev Tadmor & Costas G. Gogos)
  • Polymer Physics(Michael Rubinstein & Ralph H. Colby)
  • Introduction to Polymer Viscoelasticity(Montgomery T. Shaw & William J. MacKnight)
  • Dynamics of Polymeric Liquids(R. Byron Bird, Charles F. Curtiss, Robert C. Armstrong, Ole Hassager)
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