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Peer-reviewedCC BY 4.0Polímeros

Use of a chromium(III) catalyst containing an N,N'-di-tert-butyl-2,11-diazal[3,3](2,6)pyridinophane ligand in polymerization of ethylene and propylene

  • S. Plentz-Meneghetti
  • Pierre Lutz
  • Jacky Kress
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Abstract

Chromium (III) complex bearing N,N’- di-t-Bu-2, 11-diaza[3.3] (2,6)-pyridinophane ligand (t-Bu-N4CrCl2 +Cl-) was synthesized and characterized. This complex was tested in ethylene and propylene polymerisation, under several reaction conditions, in the presence of MAO (metilaluminoxane) or Et3Al2Cl3 (ethyl aluminium sesquichloride), as cocatalysts. The use of the catalytic system t-Bu-N4CrCl2 +Cl -/Et3Al2Cl3 led to ethylene-propylene copolymers and polyethylene, with good yields. The polymers thus produced display high molar masses and narrow polydispersities.

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Cite

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BibTeX
@article{plentzmeneghetti2026chromiumiii,
  title = {{Use of a chromium(III) catalyst containing an N,N'-di-tert-butyl-2,11-diazal[3,3](2,6)pyridinophane ligand in polymerization of ethylene and propylene}},
  author = {S. Plentz-Meneghetti and Pierre Lutz and Jacky Kress},
  journal = {Polímeros},
  year = {2026},
  month = oct,
  doi = {10.1590/s0104-14282003000200009},
  url = {https://hal.science/hal-00192896v1},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Use of a chromium(III) catalyst containing an N,N'-di-tert-butyl-2,11-diazal[3,3](2,6)pyridinophane ligand in polymerization of ethylene and propylene
AU  - S. Plentz-Meneghetti
AU  - Pierre Lutz
AU  - Jacky Kress
PY  - 2026
DA  - 2026/10/16
JO  - Polímeros
DO  - 10.1590/s0104-14282003000200009
UR  - https://hal.science/hal-00192896v1
AB  - Chromium (III) complex bearing N,N’- di-t-Bu-2, 11-diaza[3.3] (2,6)-pyridinophane ligand (t-Bu-N4CrCl2 +Cl-) was synthesized and characterized. This complex was tested in ethylene and propylene polymerisation, under several reaction conditions, in the presence of MAO (metilaluminoxane) or Et3Al2Cl3 (ethyl aluminium sesquichloride), as cocatalysts. The use of the catalytic system t-Bu-N4CrCl2 +Cl -/Et3Al2Cl3 led to ethylene-propylene copolymers and polyethylene, with good yields. The polymers thus produced display high molar masses and narrow polydispersities.
SN  - 0104-1428
SN  - 1678-5169
ER  -