Syndiospecific coordination (Co)polymerization of carbazole-substituted styrene derivatives using the scandium catalyst system

2021 ◽  
Author(s):  
Xiaochun Mu ◽  
Yang Li
Keyword(s):  
Rare Earth ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Catalyst System ◽  
Incorporation Rate ◽  
Metal Catalyst ◽  
Styrene Derivatives ◽  
Sequence Distributions

Perfect syndiospecific polymerization of carbazole-substituted styrene derivatives was achieved using a rare-earth metal catalyst. Also copolymerization of FSt with styrene afforded copolymers with gradient sequence distributions and easily tunable incorporation rate.

Copolymerization of ethylene with styrene catalyzed by a scandium catalyst

2018 ◽  
Vol 9 (38) ◽  
pp. 4757-4763 ◽  
Author(s):  
Shihui Li ◽  
Meiyan Wang ◽  
Dongmei Cui
Keyword(s):  
Rare Earth ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Catalyst System ◽  
Random Copolymers ◽  
System P

The pseudo-random copolymers of ethylene and styrene can also be generated by a rare-earth metal based catalyst system.

An Efficient Catalyst System at Mild Reaction Conditions Containing Rare Earth Metal Complexes

2013 ◽  
Vol 60 (12) ◽  
pp. 1463-1466 ◽  
Author(s):  
Wen-Zhen Wang ◽  
Yang Wu ◽  
Yan-Shan Duan ◽  
Jun-Tao Zhang ◽  
Peng-Hui Yang ◽  
...  
Keyword(s):  
Rare Earth ◽  
Metal Complexes ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Catalyst System ◽  
Reaction Conditions ◽  
Efficient Catalyst ◽  
Rare Earth Metal Complexes

Synthesis and properties of carbon dioxide – epoxides copolymers from rare earth metal catalyst

2003 ◽  
Vol 195 (1) ◽  
pp. 281-286 ◽  
Author(s):  
Zhilong Quan ◽  
Jiadong Min ◽  
Qinhai Zhou ◽  
Dong Xie ◽  
Jingjiang Liu ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Rare Earth ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Metal Catalyst

Asymmetric epoxidation of α,β-unsaturated ketones catalyzed by rare-earth metal amides RE[N(SiMe3)2]3 with chiral TADDOL ligands

2021 ◽  
Author(s):  
Haiwen Shan ◽  
Chengrong Lu ◽  
Bei Zhao ◽  
Yingming Yao
Keyword(s):  
Rare Earth ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Asymmetric Epoxidation ◽  
Metal Catalyst ◽  
Unsaturated Ketones ◽  
Metal Amides

The first application of rare-earth metal catalyst combined with TADDOLs in the asymmetric epoxidation of α,β-unsaturated ketones is disclosed.

Phase selectivity and tunable photophysical nature of rare earth metal–organic frameworks of EuxY1−x-PTC (H3PTC = 2,4,6-pyridine tricarboxylic acid; x = 0–1)

2020 ◽  
Vol 49 (42) ◽  
pp. 14985-14994
Author(s):  
Xu-Sheng Gao ◽  
Mei-Juan Ding ◽  
Jin Zhang ◽  
Li-Duo Zhao ◽  
Xiao-Ming Ren
Keyword(s):  
Rare Earth ◽  
Solid Solutions ◽  
Rare Earth Metal ◽  
Metal Organic Frameworks ◽  
Earth Metal ◽  
Tricarboxylic Acid ◽  
Excitation Wavelength ◽  
Metal Organic ◽  
Phase Selectivity

All solid solutions (EuxY1−x-PTC, x = 0.013–0.82) are isomorphic to Eu-PTC, but different from Y-PTC, and show phase selectivity as well as excitation wavelength dependent emission.

scholarly journals Experimental Investigation of WE54 magnesium rare earth metal alloys by ageing treatment

2021 ◽  
Vol 1104 (1) ◽  
pp. 012025
Author(s):  
Sachendra ◽  
Shailesh Kumar Singh ◽  
Ujjwal ◽  
Satyajeet Kumar ◽  
Kuldeep Singh
Keyword(s):  
Experimental Investigation ◽  
Rare Earth ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Metal Alloys ◽  
Ageing Treatment

Phosphorylated-calix[4]arene double-deckers of single rare earth metal ions

2021 ◽  
Author(s):  
Marjan Hosseinzadeh ◽  
Sergio Sanz ◽  
Jan van Leusen ◽  
Natalya V Izarova ◽  
Euan K Brechin ◽  
...  
Keyword(s):  
Rare Earth ◽  
Metal Ions ◽  
Rare Earth Metal ◽  
Earth Metal ◽  
Double Decker ◽  
Organic Framework

Combination of phosphoryl and calix[4]arene moieties in the same organic framework (LPO) directs the formation of homoleptic double-decker complexes [LnIII(LPO)2](O3SCF3)3 for Ln = Tb and Dy, with the latter displaying...

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