Study of the Structure and Properties of Dynamically Vulcanizated EPD I／PP／HDPE Blends

JIANG  Peng-Cheng; CAO  You-Ming

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Study of the Structure and Properties of Dynamically Vulcanizated EPD I／PP／HDPE Blends

更新时间：2026-05-27

- Study of the Structure and Properties of Dynamically Vulcanizated EPD I／PP／HDPE Blends
- Vol. 27, Issue 4, Pages: 71-75(2010)
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- Online First：25 December 2010，
  
  Published：2010
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蒋鹏程, 曹有名. 动态硫化EPDM／PP／HDPE热塑性弹性体结构与性能的研究[J]. 广东工业大学学报, 2010, 27(4): 71-75.

JIANG Peng-Cheng, CAO You-Ming. Study of the Structure and Properties of Dynamically Vulcanizated EPD I／PP／HDPE Blends[J]. 2010, 27(4): 71-75.
蒋鹏程, 曹有名. 动态硫化EPDM／PP／HDPE热塑性弹性体结构与性能的研究[J]. 广东工业大学学报, 2010, 27(4): 71-75. DOI：

JIANG Peng-Cheng, CAO You-Ming. Study of the Structure and Properties of Dynamically Vulcanizated EPD I／PP／HDPE Blends[J]. 2010, 27(4): 71-75. DOI：

摘要

研究了三元乙丙橡胶(EPDM)／聚丙烯(PP)／高密度聚乙烯(HDPE)动态硫化热塑性弹性体(TPV)的力学性能、流变性能和热性能，并用扫描电镜(SEM)扫描其断面形貌．结果表明，随着HDPE的用量增加，TPV的拉伸强度和撕裂强度以及硬度有所下降；在流变性能测试中Ⅱ'V体系的最大扭矩逐渐增加到最大值，随后趋于稳定； rPV体系的热失重温度和分解温度与不含HDPE的TPV相比变化不大；扫描电镜图片显示体系中EPDM包裹HDPE的壳一核结构随HDPE用量的增加而增多．

Abstract

The mechanical properties，rheological properties and thermal properties of high density polyethylene (HDPE)／ethy1 ene propyl ene diene monomer(EPDM)／polypropylene(PP)blends were studied，and the microstructure of TPV was investigated by scanning electron microscope(SEM)．Experimental results show that with the increase of HDPE，the tensile strength，tear strength and the shore A hardness of TPV decrease，that the maximum torque increases to the maximum before it gradually becomes stable during the rheologcal test，and that the thermo-gravimentric temperature and the decomposition temperature hardly change，compared with the TPV without HDPESEM analysis shows that the structure of HDPE shel1．core wrapped by EPDM increases with the increase of HDPE．

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references

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何曼君，陈维孝，董西侠．高分=产物理[M]．上海：复旦大学出版社，1990．

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