PRELIMINARY INVESTIGATION ON THE MISCIBILITY OF ISOTACTIC POLYPROPYLENE （iPP） AND SYNDIOTACTIC POLYPROPYLENE （sPP） BLENDS

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PRELIMINARY INVESTIGATION ON THE MISCIBILITY OF ISOTACTIC POLYPROPYLENE （iPP） AND SYNDIOTACTIC POLYPROPYLENE （sPP） BLENDS

Updated：2021-06-21

- PRELIMINARY INVESTIGATION ON THE MISCIBILITY OF ISOTACTIC POLYPROPYLENE （iPP） AND SYNDIOTACTIC POLYPROPYLENE （sPP） BLENDS
- Issue 6, Pages: 569-573(2006)
- Affiliations：
  
  1.   Key Laboratory of Engineering Plastics Joint Laboratory of Polymer Science and Materials
  2.   Institute of Chemistry
  3.   Chinese Academy of Sciences
  4.   Beijing 100080
  5.   China
  6.   Graduate School of Chinese Academy of Sciences Beijing China  ,100080
  7.   State Key Laboratory of Polymer Physics and Chemistry
- Author bio：
- Funds：
  
  This work was supported by the National Natural Science Foundation of China （NSFC）（Nos. 50290090, 20490220 and 10590355）ZW acknowledges the financial support from "One Hundred Young Talents" of the Chinese Academy of Sciences.()
- DOI：
  CLC： TQ325
- Published：2006
- Accepted：
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[1]Joerg Rottstegge,Charles C. Han.PRELIMINARY INVESTIGATION ON THE MISCIBILITY OF ISOTACTIC POLYPROPYLENE (iPP) AND SYNDIOTACTIC POLYPROPYLENE (sPP) BLENDS[J].Chinese Journal of Polymer Science,2006(06):569-573.

PRELIMINARY INVESTIGATION ON THE MISCIBILITY OF ISOTACTIC POLYPROPYLENE （iPP） AND SYNDIOTACTIC POLYPROPYLENE （sPP） BLENDS[J]. 2006, (6): 569-573.
[1]Joerg Rottstegge,Charles C. Han.PRELIMINARY INVESTIGATION ON THE MISCIBILITY OF ISOTACTIC POLYPROPYLENE (iPP) AND SYNDIOTACTIC POLYPROPYLENE (sPP) BLENDS[J].Chinese Journal of Polymer Science,2006(06):569-573. DOI：

PRELIMINARY INVESTIGATION ON THE MISCIBILITY OF ISOTACTIC POLYPROPYLENE （iPP） AND SYNDIOTACTIC POLYPROPYLENE （sPP） BLENDS[J]. 2006, (6): 569-573. DOI：

摘要

<正>Experimental miscibility studies were performed on different compositions of i’PP/sPP blends

where sPP has a low syndiotacticity （[rrrr] = 81%）. Combining optical microscopy

rheology

and solid state NMR spectroscopy

the miscibility of the blends was investigated at different scales in the traditionally thought to be "immiscible" iPP/sPP blends. For the composition of iPP/sPP （90/10） blend

it shows to be miscible in the melt

and furthermore

the existence of intermolecular chain interactions between sPP and ;’PP components was detected in the solid state.

Abstract

Experimental miscibility studies were performed on different compositions of i’PP/sPP blends

where sPP has a low syndiotacticity （[rrrr] = 81%）. Combining optical microscopy

rheology

and solid state NMR spectroscopy

the miscibility of the blends was investigated at different scales in the traditionally thought to be "immiscible" iPP/sPP blends. For the composition of iPP/sPP （90/10） blend

it shows to be miscible in the melt

and furthermore

the existence of intermolecular chain interactions between sPP and ;’PP components was detected in the solid state.

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