Nature of the Entire Range of Rare Earth Metal-Based Cationic Catalysts for Highly Active and Syndioselective Styrene Polymerization

ACS Catalysis ◽  
2015 ◽  
Vol 6 (1) ◽  
pp. 176-185 ◽  
Author(s):  
Fei Lin ◽  
Xingbao Wang ◽  
Yupeng Pan ◽  
Meiyan Wang ◽  
Bo Liu ◽  
...  
Keyword(s):  
Rare Earth ◽  
Rare Earth Metal ◽  
Entire Range ◽  
Earth Metal ◽  
Styrene Polymerization ◽  
Highly Active

Rare-earth metal bis(aminobenzyl) complexes supported by pyrrolyl-functionalized arylamide ligands: synthesis, characterization and styrene polymerization performance

2018 ◽  
Vol 47 (29) ◽  
pp. 9709-9716 ◽  
Author(s):  
Min Li ◽  
Chaopan Wang ◽  
Hongzhen Xie ◽  
Zehuai Mou ◽  
Yunjie Luo
Keyword(s):  
Rare Earth ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Molar Ratio ◽  
Acid Base ◽  
Styrene Polymerization ◽  
Catalyst Systems

Acid–base reaction between Ln(CH2C6H4NMe2-o)3 and 2,5-Me2C4H2NCH2SiMe2NHC6H4R (R = H, (HL1); R = Cl-p, (HL2) in 1 : 1 molar ratio gave L1Ln(CH2C6H4NMe2-o)2 (Ln = Sc (1), La (2), Lu (3) and L2Ln(CH2C6H4NMe2-o)2 (Ln = Sc (4), La (5), Lu (6). The catalyst systems of 2 or 5/[Ph3C][B(C6F5)4] were active for syndio-specific styrene polymerization.

Controlled iso-specific polymerization of 2-vinylpyridine catalyzed by arylamide-ligated rare-earth metal aminobenzyl complexes

2018 ◽  
Vol 47 (44) ◽  
pp. 15967-15976 ◽  
Author(s):  
Min Li ◽  
Chaopan Wang ◽  
Jue Chen ◽  
Zhiyong Guo ◽  
Zehuai Mou ◽  
...  
Keyword(s):  
Rare Earth ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Highly Active

Arylamide rare-earth metal aminobenzyl complexes were employed as highly active catalysts for iso-specific polymerization of 2-vinylpyridine.

Rare earth metal benzyl complexes bearing bridged-indenyl ligand for highly active polymerization of methyl methacrylate

2009 ◽  
Vol 694 (18) ◽  
pp. 2976-2980 ◽  
Author(s):  
Dan Lin ◽  
Jue Chen ◽  
Chengcai Luo ◽  
Yong Zhang ◽  
Yingming Yao ◽  
...  
Keyword(s):  
Rare Earth ◽  
Methyl Methacrylate ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Highly Active

Mono(boratabenzene) rare-earth metal dialkyl complexes: synthesis, structure and catalytic behaviors for styrene polymerization

2015 ◽  
Vol 44 (12) ◽  
pp. 5771-5776 ◽  
Author(s):  
Xiufang Wang ◽  
Xuebing Leng ◽  
Yaofeng Chen
Keyword(s):  
Rare Earth ◽  
Structural Characterization ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Styrene Polymerization ◽  
Catalytic Activities

Synthesis and structural characterization of mono(boratabenzene) rare-earth metal dialkyl complexes were achieved by using multi-substituted boratabenzene ligands, and the synthesized scandium complexes show high catalytic activities for syndiotactic styrene polymerization upon activation with cocatalysts.

Rare-earth alkyl complexes supported by formamidinate ligands: synthesis, structure, and catalytic activity for isoprene polymerization

2014 ◽  
Vol 43 (18) ◽  
pp. 6842-6847 ◽  
Author(s):  
Liping Guo ◽  
Xiancui Zhu ◽  
Shuangliu Zhou ◽  
Xiaolong Mu ◽  
Yun Wei ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Rare Earth ◽  
Metal Complexes ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Alkyl Complexes ◽  
Highly Active ◽  
Rare Earth Metal Complexes ◽  
Isoprene Polymerization

Monoalkyl rare-earth metal complexes could be highly active catalysts for 1,4-regioselective polymerization of isoprene in the presence of cocatalysts.

Rare-earth metal bis(silylamide) complexes supported by mono-dentate arylamido ligand: synthesis, reactivity, and catalyst precursors in living cis-1,4-selective polymerization of isoprene

2016 ◽  
Vol 45 (4) ◽  
pp. 1391-1397 ◽  
Author(s):  
Liqin Shi ◽  
Qi Su ◽  
Jue Chen ◽  
Xiaonian Li ◽  
Yunjie Luo
Keyword(s):  
Rare Earth ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Molar Ratio ◽  
Metathesis Reaction ◽  
One Pot ◽  
Highly Active ◽  
Ligand Synthesis

One-pot salt metathesis reaction of LnCl3, [2,6-iPr2C6H3N(SiMe3)]Li and LiN(SiHMe2)2 in 1 : 1 : 2 molar ratio gave [2,6-iPr2C6H3N(SiMe3)]Ln[N(SiHMe2)2]2(THF) (Ln = Y, Lu, La), which were highly active for cis-1,4 polymerization of isoprene in the presence of [Ph3C][B(C6F5)4] and AliBu3.

scholarly journals Substituent Effects of Pyridyl-methylene Cyclopentadienyl Rare-earth Metal Complexes on Styrene Polymerization

2019 ◽  
Vol 37 (6) ◽  
pp. 570-577 ◽  
Author(s):  
Zhen Zhang ◽  
Zhong-Yi Cai ◽  
Yu-Peng Pan ◽  
Yan-Li Dou ◽  
Shi-Hui Li ◽  
...  
Keyword(s):  
Rare Earth ◽  
Metal Complexes ◽  
Rare Earth Metal ◽  
Substituent Effects ◽  
Earth Metal ◽  
Styrene Polymerization ◽  
Rare Earth Metal Complexes

Highly active rare-earth metal catalysts for heteroselective ring-opening polymerization of racemic lactide

2019 ◽  
Vol 48 (25) ◽  
pp. 9079-9088 ◽  
Author(s):  
Yu Pan ◽  
Wenqiang Li ◽  
Ning-Ning Wei ◽  
Yat-Ming So ◽  
Xiaoling Lai ◽  
...  
Keyword(s):  
Rare Earth ◽  
Rare Earth Metal ◽  
Ring Opening ◽  
Earth Metal ◽  
Ring Opening Polymerization ◽  
Metal Catalysts ◽  
Highly Active

Chiral anilido-oxazoline-supported Sc complexes showed outstanding activity (TOFs of up to 2910 h−1) and heteroselectivity in the ring-opening polymerization of rac-LA.

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