檢視热塑性的原始碼

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|<center>'''热塑性'''<br><img
src="https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fnimg.ws.126.net%2F%3Furl%3Dhttp%253A%252F%252Fdingyue.ws.126.net%252F2022%252F0411%252F2beb7383j00ra5lbt0024c000b40096c.jpg%26thumbnail%3D660x2147483647%26quality%3D80%26type%3Djpg&refer=http%3A%2F%2Fnimg.ws.126.net&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1672239040&t=214b34be6da30c00be6d2c6c3d2192ca " width="280"></center><small>  圖片來自百度</small> 
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'''物质加热发生流动变形冷却后保持形状的性质'''

''''热塑性'''是指物质在加热时能发生流动变形，冷却后可以保持一定形状的性质。大多数[[线型聚合物]]均表现出热塑性，很容易进行挤出、注射或吹塑等成型加工。在一定温度范围内，能反复加热软化和冷却硬化的性能，线形或支链型聚合物具有这种性能。日常生活中，像塑料袋、塑料衣挂等物都具有热塑性。因此，它们可以通过加热熔化来进行封口、粘合等操作。

*中文名:[[热塑性]]

*外文名:thermoplasticity

*相对概念:热固性

*常见材料:聚乙烯塑料和聚氯乙烯塑料

*释    义:物质加热时发生流动变形，冷却后保持一定形状的性质

*示    例:塑料袋、塑料衣挂