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Citation: LUO Yun-Jie, YAO Ying-Ming, SHEN Qi. A High Active Catalyst System for Polymerization of Acrylonitrile: [(Bu^tCp)₂NdMe]₂/Quarternary Ammonium Salt(Sodium Phenolate、Sodium Naptholate) System[J]. Chinese Journal of Applied Chemistry, ;2001, 18(5): 392-395. shu

A High Active Catalyst System for Polymerization of Acrylonitrile: [(Bu^tCp)₂NdMe]₂/Quarternary Ammonium Salt(Sodium Phenolate、Sodium Naptholate) System

1.
Department of Chemistry and Chemical Engineering, Suzhou University, Suzhou 215006

Received Date: 29 December 2000
Available Online: 21 February 2001
Fund Project:

The polymerization of acrylonitrile catalyzed by [(Bu^tCp)₂NdMe]₂/quarternary ammonium salt(sodium phenolate、sodium naptholate) was first studied. The catalytic activity of [(Bu^t-Cp)₂NdMe]₂(Cat) was greatly increased by adding quarternary ammonium salt, sodium phenolate or sodium naptholate, such as CH₃(CH₂)₁₅NBrMe₃, Me₄NBr, (C₄H₉)₄NBr, 2,6-di-Bu₂^t-4-MeC₆H₂ONa, 4-Bu^tC₆H₄ONa and (2-MeC₁₀H₆ONa). The polymerization conditions were investigated, including the effects of the mole ratio of (C₄H₉)₄NBr to (Cat), the amount of (Cat), monomer concentration, polymerization temperature and solvent. The conversion of acrylonitrile was as high as 65.4% at the polymerization conditions: [(C₄H₉)₄NBr]/[Cat]=2, [Cat]=2.0×10^-5 mol/g, x(M)=50%, 40℃, toluene, 2 h.
- bis(tertbutylcyclopentadienyl) methylneodymium,
- sodium phenolate,
- sodium naptholate,
- quarternary ammonium salt,
- acrylonitrile,
- catalytic polymerization
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A High Active Catalyst System for Polymerization of Acrylonitrile: [(ButCp)2NdMe]2/Quarternary Ammonium Salt(Sodium Phenolate、Sodium Naptholate) System

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通讯作者: 陈斌, bchen63@163.com

A High Active Catalyst System for Polymerization of Acrylonitrile: [(Bu^tCp)₂NdMe]₂/Quarternary Ammonium Salt(Sodium Phenolate、Sodium Naptholate) System