常用塑料的耐热性能.doc

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1、常用塑料的耐热性能(未经改性的)热变形温度----------维卡软化点------------马丁耐热HDPE-----------------80-------------------------120------------------------LDPE-------------------50--------------------------95--------------------------EVA-------------------------------------------------64-------------------------PP..

2、......................102........................110........................PS........................85............................105.....................PMMA...................100..........................120......................PTFE.....................260..........................110

3、.......................ABS.......................86...........................160......................75PSF.......................185..........................180.....................150POM.......................98............................141.....................55PC.....................

4、....134.............................153...................112PA6.......................58..............................180....................48PA66......................60..............................217...................50PA1010..................55..............................159........

5、.............44PET........................70......................................................80PBT........................66..............................177....................49PPS........................240.....................................................102PPO..................

6、.....172......................................................110PI...........................360...........................300.....................LCP........................315........................................................塑料的增强耐热改性用增强改性的方法提高塑料的耐热性效果比填充还好,常用的耐热纤维主要有:石棉纤维玻璃纤维碳纤维

7、晶须聚1.结晶型树脂经30%玻璃纤维增强耐热改性.PBT的热变形温度由66度提高到210度.PET的热变形温度由98度提高到238度.PP的热变形温度由102度提高到149度.HDPE的热变形温度由49度提高到127度.PA6的热变形温度由70度提高到215度.PA66的热变形温度由71度提高到255度.POM的热变形温度由110度提高到163度.PEEK的热变形温度由230度提高到310度.2.非结晶树脂经30%玻璃纤维增强耐热改性.PS的热变形温度由93度提高到104度.PC