OLEFIN

作品数:174被引量:298H指数:9
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Isoselective Ring-opening Polymerization of Racemic Lactide Catalyzed by N-heterocyclic Olefin/(Thio)urea Organocatalysts被引量:1
《Chinese Journal of Polymer Science》2021年第6期709-715,I0006,共8页Zhen-Yu Wang Guang-Qiang Xu Li Zhou Cheng-Dong Lv Ru-Lin Yang Bing-Zhe Dong Qing-Gang Wang 
by the National Key R&D Plan(No.2017YFC1104800);the National Natural Science Foundation of China(Nos.21901249 and 21950410529);Taishan Scholars Program of Shandong Province(No.tsqn201812112);“135”Projects Fund of CAS-QIBEBT Director Innovation Foundation and DICP&QIBEBT United Foundation(No.UN201701).
The isoselective ring-opening polymerization of racemic lactide was achieved by combining N-heterocyclic olefin(NHO)with mono(thio)ureas or bis(thio)ureas as catalytic systems.The polymerization process shows high ste...
关键词:mechanism. HETEROCYCLIC polymerization 
Ethylene Polymerization and Copolymerization with Polar Monomers by Benzothiophene-bridged BPMO-Pd Catalysts被引量:6
《Chinese Journal of Polymer Science》2020年第6期579-586,共8页Hong-Liang Mu Jun-Hao Ye Guang-Lin Zhou Kang-Kang Li Zhong-Bao Jian 
the National Natural Science Foundation of China(No.21871250);the Jilin Provincial Science and Technology Department Program(No.20190201009JC);Shaanxi Provincial Natural Science Basic Research Program-Shaanxi Coal and Chemical Industry Group Co,Ltd.Joint Fund(No.2019JLZ-02).
A series of new bisphosphine-monoxide(BPMO)ligands based on benzothiophene backbone and the corresponding palladium complexes{k2-P(O)(Ph)2-3-PR1R2-C8H4S}PdMeCl{2a:R1=R2=Ph;2b:R1=R2=2-0Me-Ph;2c:R1=R2=2-CF3-Ph;2d:Rl=Ph,...
关键词:OLEFIN polymerization BISPHOSPHINE MONOXIDE Plladium Polar MONOMERS Heteroaryl backbone 
(Arylimido)vanadium(V)-Alkylidene Complexes as Catalysts for Ring-opening Metathesis Polymerization(ROMP) of Cyclic Olefins: Ligand Design for Exhibiting the High Activity被引量:2
《Chinese Journal of Polymer Science》2019年第10期943-950,I0002,共9页Kotohiro Nomura Sapanna Chaimongkolkunasin 
partly supported by Grant-in-Aid for Scientific Research on Innovative Areas ("3D Active-Site Science", No. 26105003) from The Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan;Grant-in-Aid for Scientific Research from the Japan Society for the Promotion of Science (JSPS, Nos. 15H03812, 18H01982);the Tokyo Metropolitan government (Tokyo Human Resources Fund for City Diplomacy) for pre-doctoral fellowship
(Imido)vanadium(V)-alkylidene complexes of type V(CHSiMe3)(NR)(OR?)(PMe3)2 [R = Ad, C6H5, 2,6-Me2C6H3, 2,6-Cl2C6H3;R?= 2,6-Me2C6H3, 2,6-i Pr2C6H3, 2,6-F2C6H3, C6F5, C6Cl5] exhibited from moderate to remarkable catalyt...
关键词:OLEFIN METATHESIS Molecular CATALYST RING-OPENING METATHESIS polymerization Cyclic OLEFIN VANADIUM CATALYST 
Synthesis of High Performance Cyclic Olefin Polymers Using Highly Efficient WCl6-based Catalyst System
《Chinese Journal of Polymer Science》2018年第2期214-221,共8页Yi-Ran Zhang Ji-Xing Yang Li Pan Yue-Sheng Li 
financial support by the National Natural Science Foundation of China(Nos.21234006 and U1510124)
Cyclic olefin polymers(COPs) with high glass transition temperature, high transparency(higher than 80%) in the visible light range, excellent thermal stability and outstanding mechanical properties have been synth...
关键词:Ring-opening metathesis polymerization HYDROGENATION Cyclic olefin polymers Glass transition temperature Mechanical properties 
Synergistic Effects of the ZnCl_2-SiCl_4 Modified TiCl_4/MgCl_2/THF Catalytic System on Ethylene/1-Hexene and Ethylene/1-Octene Copolymerizations被引量:1
《Chinese Journal of Polymer Science》2014年第1期84-91,共8页Wanna Phiwkliang Bunjerd Jongsomjit Piyasan Praserthdam 
financially supported by the Dusadeepipat scholarship at Graduate school of Chulalongkorn University;the Thailand Research Fund(TRF);the Higher Education Promotion and National Research University Development(AM1088A);the office of the Higher Education Commission(CHE)
The copolymerizations of ethylene with 1-hexene or 1-0ctene by using TiC14/MgCI2/THF catalysts modified with different metal halide additives (ZnCI2, SIC14, and the combined ZnC12-SiCl4) were investigated based on c...
关键词:Ziegler-Natta catalyst Lewis acid Copolymerization of ethylene with a-olefin SIC14 ZnC12. 
PRECISE SYNTHESIS OF OLEFIN BLOCK COPOLYMERS USING A SYNDIOSPECIFIC LIVING POLYMERIZATION SYSTEM被引量:4
《Chinese Journal of Polymer Science》2013年第4期541-549,共9页蔡正国 Hai-hui Su Takeshi Shiono 
This feature article summarizes the synthesis of novel olefin block copolymers using fast syndiospecific living homo- and copolymerization of propylene, higher 1-alkene, and norbornene with ansa-fluorenylamidodimethyl...
关键词:Single-site catalyst PROPYLENE Norbomene Living polymerization Block copolymer. 
PREPARATION AND CATALYTIC BEHAVIOUR OF POLYMER-BOUND METALLOPORPHYRIN IN HYDROGENATION OF OLEFIN
《Chinese Journal of Polymer Science》1998年第1期91-96,共6页王荣民 何玉凤 雷自强 王云普 李树本 
This work was supported by the National Natural Science Foundation of China.
The meso-tetraarylporphyrin has been anchored to styrene-divinylbenzene copolymers by reaction or meso-tetra(4-hydroxylphenyl) porphyrin with chloromethylated resin under mild condition. A number of polymer transition...
关键词:polymer-bound catalyst METALLOPORPHYRIN HYDROGENATION 
SYNTHESIS AND CATALYTIC PROPERTY OF POLYMER-SUPPORTED Fe-Co HETEROTETRAMETALLIC CLUSTERS
《Chinese Journal of Polymer Science》1993年第4期80-84,共5页贾成国 王云普 
Four polymer-supported Fe-Co tetrametallic clusters have been prepared by ion exchange and ligand exchange. Their structures were characterized by IR, UV/visible diffuse reflectance spectra and elemental analysis, and...
关键词:Polymer-supported Fe-Co tetrametallic cluster catalyst hydroformylation of olefin heterogenous catalysis. 
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