SUBSTITUENT

作品数：123被引量：152H指数：5
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  • 期刊=Chinese Journal of Polymer Sciencex
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The Influence of Various Cationic Group on Polynorbornene Based Anion Exchange Membranes with Hydrophobic Large Steric Hindrance Arylene Substituent被引量：1
《Chinese Journal of Polymer Science》2023年第2期278-287,共10页Wei Wang Da-Fu Cao Xiao-Wei Sun Li Pan Zhe Ma Yue-Sheng Li 
the National Natural Science Foundation of China(No.52130307);Foundation of State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering(No.2018-K05).
A series of brominated polynorbornene derivatives,including bulky steric hydrophobic groups and highly physical and chemical stable backbones,were synthesized via ring-opening metathesis polymerization and post-functi...
关键词：Anion exchange membrane Steric hindrance Phase separation Ion conductivity Swelling ratio 
Influence of Backbone and Axial Substituent of Catalyst onα-Imino-ketone Nickel Mediated Ethylene(Co)Polymerization被引量：2
《Chinese Journal of Polymer Science》2022年第5期469-477,共9页Yu-Kai Chu Xiao-Qiang Hu Yue Zhang Da-Jun Liu Yi-Xin Zhang Zhong-Bao Jian 
financially supported by the National Natural Science Foundation of China(Nos.22122110,21871250 and 22001244);the Jilin Provincial Science and Technology Department Program(No.20200801009GH)。
Theα-imino-ketone nickel catalyst is an emerging versatile platform that is easy to prepare and allows for the production of branched high molecular weight functionalized polyethylenes.However,study on this catalyst ...
关键词：Olefin polymerization α-Imino-ketone ligand Nickel catalyst Polar monomer 
Benzosuberyl Substituents as a"Sandwich-like"Function in Olefin Polymerization Catalysis被引量：2
《Chinese Journal of Polymer Science》2021年第8期984-993,I0006,共11页Yu-Yin Wang Chao-Qun Wang Xiao-Qiang Hu Yan Xia Yue Chi Yi-Xin Zhang Zhong-Bao Jian 
the National Natural Science Foundation of China(Nos.21871250 and 22001244);the Jilin Provincial Science and Technology Department Program(No.20200801009GH).
For the rational design of metal catalyst in olefin polymerization catalysis,various strategies were applied to suppress the chain transfer by bulking up the axial positions of the metal center,among which the"sandwic...
关键词：Olefin polymerization Benzosuberyl substituent SANDWICH Nickel catalyst Polar monomer 
Controlled Radical Polymerization of Styrene Mediated by Xanthene-9-thione and Its Derivatives被引量：1
《Chinese Journal of Polymer Science》2018年第12期1303-1311,共9页Hao-Yu Yu Jiao Wang Jian-Wei Shao Dong Chen Shi-Chao Wang Li Wang Wan-Tai Yang 
financially supported by the National Natural Science Foundation of China (Nos. 21404004 and 21474006);the Innovation and Promotion Project of Beijing University of Chemical Technology
In our present work, a novel controlled radical polymerization system is developed based on xanthene-9-thione （XT）. It was found that the radical polymerization of styrene （St） became controlled in the presence of...
关键词：Controlled radical polymerizaton Xanthene-9-thione STYRENE SUBSTITUENT ESI-MS 
THE INFLUENCE OF SUBSTITUENT ELECTRONIC EFFECT ON ETHYLENE OLIGOMERIZATION ACTIVITIES OF BIS(IMINO)PYRIDYL Fe(Ⅱ) CATALYSTS:A COMBINED MOLECULAR MECHANICS AND CHARGE EQUILIBRATION METHOD
《Chinese Journal of Polymer Science》2009年第5期711-717,共7页李化毅 
supported by the National Science Foundation of China(Nos20334030,50703044 and 20734002)
Bis(imino)pyridyl Fe(Ⅱ) complexes are important catalysts in ethylene oligomerization for preparingα-olefins. The metal net charge-activity relationship of bis(imino)pyridyl Fe(Ⅱ) complexes was investigated by mole...
关键词：Ethylene OLIGOMERIZATION Fe catalyst Molecular mechanics（MM） Net charge equilibration（QEq）. 
ELECTRONIC EFFECTS OF POLYFLUORINATED SUBSTITUENTS ON THE POLYMERIZATION AND THE PROPERTIES OF POLYTHIOPHENES
《Chinese Journal of Polymer Science》1997年第1期15-23,共9页张旭庆 沈学明 杨士勇 陆伟 张景云 
This work was supported by the National Natural Science Foundation of China.
Three series of polythiophenes containing fluoroalkoxy and fluoroether substituents were prepared by electrochemical polymerization. The effect of substituents with fluoroalkoxy or ether functional groups on the elect...
关键词：electronic effect electrochemical polymerization polythiophene polyfluorinated substituent 
STRUCTURAL ANALYSIS AND ENVIRONMENTAL STABILITY OF POLYFLUORINATED GROUP SUBSTITUTED POLYTHIOPHENES
《Chinese Journal of Polymer Science》1996年第4期330-337,共8页张旭庆 沈学明 杨士勇 陆伟 张景云 
This work was supported by the National Natural Science Foundation of China.
Electrochemical polymerization of 3-fluoroalkoxy and 3-fluoroether thiophenes gives polymers with relatively high molecular weights and good processibility. Investigation of these polymers by means of GPC indicates th...
关键词：structural analysis environmental stability polyfluorinated substituent POLYTHIOPHENE 
THE EFFECT OF SUBSTITUENT ON THE THERMAL PROPERTIES OF POLYESTERS CONSISTING OF AROMATIC TYPE SCHIFF BASE MESOGENIC UNITS AND POLYMETHYLENE SPACERS
《Chinese Journal of Polymer Science》1995年第1期51-58,共8页Amar H.Al-Dujaili Iman F.Mustafa Amir T.Atto 
Polyesters consisting of substituted aromatic type Schiff base mesogenic unit andpolymethylene spacers were synthesized and their thermal transitions and liquid crystallineproperties were studied. The liquid crystalli...
关键词：Liquid crystal polymer Polyesters Aromatic type schiff base Mesogenic units SPACERS 
SUBSTITUENT CHEMICAL SHIFT (SCS) AND THE SEQUENCE STRUCTURE OF ETHYLENE-VINYL ALCOHOL COPOLYMERS
《Chinese Journal of Polymer Science》1992年第4期299-303,共5页周子南 田文晶 吴盛容 戴莹琨 冯之榴 沈联芳 袁汉珍 
Three ethylene-vinyl alcohol copolymers were studied by means of the substituent chemical shift (SCS) method. The SCS parameters of hydroxy (-OH) in two different solvents were obtained: in deuterium oxide/phenol (20/...
关键词：Ethylene-α-olefine copolymers Sequence structure Substituent chemical shift (SCS)  ^(13)C NMR. 
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