BRITTLE-DUCTILE TRANSITION OF PP/EPDM/ELASTOMERIC NANO-PARTICLE TERNARY BLENDS

傅强

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BRITTLE-DUCTILE TRANSITION OF PP/EPDM/ELASTOMERIC NANO-PARTICLE TERNARY BLENDS

Updated：2021-06-21

- BRITTLE-DUCTILE TRANSITION OF PP/EPDM/ELASTOMERIC NANO-PARTICLE TERNARY BLENDS
- BRITTLE-DUCTILE TRANSITION OF PP/EPDM/ELASTOMERIC NANO-PARTICLE TERNARY BLENDS
- 高分子科学（英文版） 2006年第4期页码：389-394
- Affiliations：
  
  Department of Polymer Science and Materials Sichuan University State Key Laboratory of Polymer Materials Engineering Chengdu China ,610065
- Author bio：
- Funds：
  
  This work was financially supported by the National Natural Science Foundation of China （Nos. 20404008, 50373030 and 20490220） the Special Funds for Major State Basic Research Projects of China （No. 2003CB615600） the Ministry of Education of China as a Key Project （No. 104154）.()
- DOI：
  中图分类号： O631.3
- 纸质出版：2006
- Accepted：
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[1]傅强.BRITTLE-DUCTILE TRANSITION OF PP/EPDM/ELASTOMERIC NANO-PARTICLE TERNARY BLENDS[J].Chinese Journal of Polymer Science,2006(04):389-394.

BRITTLE-DUCTILE TRANSITION OF PP/EPDM/ELASTOMERIC NANO-PARTICLE TERNARY BLENDS[J]. 2006, (4): 389-394.
[1]傅强.BRITTLE-DUCTILE TRANSITION OF PP/EPDM/ELASTOMERIC NANO-PARTICLE TERNARY BLENDS[J].Chinese Journal of Polymer Science,2006(04):389-394. DOI：

BRITTLE-DUCTILE TRANSITION OF PP/EPDM/ELASTOMERIC NANO-PARTICLE TERNARY BLENDS[J]. 2006, (4): 389-394. DOI：

摘要

<正>The brittle-ductile transition is a very important phenomenon for polymer toughening. Polypropylene （PP） is often toughened by using rubbers

e.g.

ethylene-propylene diene monomer （EPDM） has often been used as a modifier. In this article

the toughening of PP by using a new kind of rubber

known as elastomeric nano-particle （ENP）

and the brittle-ductile transition of PP/EPDM/ENP was studied. Compared to PP/EPDM binary blends

the brittle-ductile transition of PP/EPDM/ENP ternary blends occurred at lower EPDM contents. SEM experiment was carried out to investigate the etched and impact-fractured surfaces. ENP alone had no effect on the impact strength of PP

however

with the same EPDM content

PP/EPDM/ENP ternary blends had smaller particle size

better dispersion and smaller interparticle distance in contrary to PP/EPDM binary blends

which promoted the brittle-ductile transition to occur earlier.

Abstract

The brittle-ductile transition is a very important phenomenon for polymer toughening. Polypropylene （PP） is often toughened by using rubbers

e.g.

ethylene-propylene diene monomer （EPDM） has often been used as a modifier. In this article

the toughening of PP by using a new kind of rubber

known as elastomeric nano-particle （ENP）

and the brittle-ductile transition of PP/EPDM/ENP was studied. Compared to PP/EPDM binary blends

however

with the same EPDM content

PP/EPDM/ENP ternary blends had smaller particle size

better dispersion and smaller interparticle distance in contrary to PP/EPDM binary blends

which promoted the brittle-ductile transition to occur earlier.

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