PREPARATION OF POLYPROPYLENE/CLAY NANOCOMPOSITES BY <italic style="font-style: italic">in situ</italic> POLYMERIZATION WITH TiCl<sub>4</sub>/MgCl<sub>2</sub>/CLAY COMPOUND CATALYST

Li-mei Wang; Ai-hua He

doi:10.1007/s10118-011-1070-6

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PREPARATION OF POLYPROPYLENE/CLAY NANOCOMPOSITES BY in situ POLYMERIZATION WITH TiCl₄/MgCl₂/CLAY COMPOUND CATALYST

PAPER | Updated：2021-06-21

- PREPARATION OF POLYPROPYLENE/CLAY NANOCOMPOSITES BY in situ POLYMERIZATION WITH TiCl₄/MgCl₂/CLAY COMPOUND CATALYST
- Chinese Journal of Polymer Science Vol. 29, Issue 5, Pages: 597-601(2011)
- Affiliations：
  
  a.Department of Chemistry, Dezhou University, Dezhou 253023, China
  b.Key Laboratory of Rubber-Plastics (Ministry of Education), School of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
- Author bio：
  
  **Ai-hua He (贺爱华), E-mail: aihuahe@iccas.ac.cn
- Funds：
- DOI：10.1007/s10118-011-1070-6
  CLC：
- Received：09 October 2010，
  
  Revised：2010-11-18，
  
  Accepted：19 November 2010，
  
  Published：2011
- Accepted：
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Li-mei Wang, Ai-hua He. PREPARATION OF POLYPROPYLENE/CLAY NANOCOMPOSITES BY in situ POLYMERIZATION WITH TiCl₄/MgCl₂/CLAY COMPOUND CATALYST[J]. Chinese Journal of Polymer Science, 2011, 29(5): 597-601. DOI: 10.1007/s10118-011-1070-6.
DOI：

Li-mei Wang, Ai-hua He. PREPARATION OF POLYPROPYLENE/CLAY NANOCOMPOSITES BY in situ POLYMERIZATION WITH TiCl₄/MgCl₂/CLAY COMPOUND CATALYST[J]. Chinese Journal of Polymer Science, 2011, 29(5): 597-601. DOI: 10.1007/s10118-011-1070-6. DOI：

摘要

Abstract

TiCl

/MgCl

/clay compound catalyst was prepared by chemical reaction. Exfoliated polypropylene (PP)/clay nanocomposites were synthesized by

in situ

polymerization with this compound catalyst. Effects of polymerization temperature

polymerization time

propylene pressure

solvent consumption and pre-treat time of catalyst on catalyst activity and catalytic stereospecificity were studied. Under optimal conditions

activity of the nano-compound catalyst is about 88.3 kg/(mol Ti·h). Isotacticity of PP obtained in the nanocomposites is in the range of 89%-99%

and its melting temperature is about 159℃. The weight-average molecular weight of PP can reach 6.7 × 105 - 7.8 × 105

and the molecular weight distribution is between 7.7 and 7.9.

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PREPARATION OF POLYPROPYLENE/CLAY NANOCOMPOSITES BY in situ POLYMERIZATION WITH TiCl4/MgCl2/CLAY COMPOUND CATALYST

DOI：10.1007/s10118-011-1070-6

摘要

Abstract

关键词

Keywords

references

PREPARATION OF POLYPROPYLENE/CLAY NANOCOMPOSITES BY in situ POLYMERIZATION WITH TiCl₄/MgCl₂/CLAY COMPOUND CATALYST