Double‐external‐field enables bulk controlled radical polymerization with narrow molecular weight distribution at high conversion

AIChE Journal ◽  
2020 ◽  
Vol 66 (7) ◽  
Author(s):  
Chao Bian ◽  
Yin‐Ning Zhou ◽  
Zheng‐Hong Luo
Keyword(s):  
Molecular Weight ◽  
External Field ◽  
Radical Polymerization ◽  
Molecular Weight Distribution ◽  
Weight Distribution ◽  
Controlled Radical Polymerization ◽  
High Conversion ◽  
Narrow Molecular Weight Distribution

Visible-light-induced controlled radical polymerization of methacrylates mediated by a pillared-layer metal–organic framework

2016 ◽  
Vol 18 (6) ◽  
pp. 1475-1481 ◽  
Author(s):  
Yue Liu ◽  
Dashu Chen ◽  
Xingyu Li ◽  
Ziyang Yu ◽  
Qiansu Xia ◽  
...  
Keyword(s):  
Molecular Weight ◽  
Visible Light ◽  
Atom Transfer Radical Polymerization ◽  
Radical Polymerization ◽  
Molecular Weight Distribution ◽  
Weight Distribution ◽  
Metal Organic Framework ◽  
Controlled Radical Polymerization ◽  
Narrow Molecular Weight Distribution ◽  
Metal Organic

A visible light responsive MOF material has been constructed by the pillared-layer approach to conduct atom transfer radical polymerization. The as-prepared polymers show narrow molecular weight distribution and high retention of chain-end activity.

Thermally driven directional free-radical polymerization in confined channels

2019 ◽  
Vol 10 (8) ◽  
pp. 920-925
Author(s):  
Preeta Datta ◽  
Kirill Efimenko ◽  
Jan Genzer
Keyword(s):  
Molecular Weight ◽  
Free Radical ◽  
Radical Polymerization ◽  
Molecular Weight Distribution ◽  
Weight Distribution ◽  
Free Radical Polymerization ◽  
Narrow Molecular Weight Distribution ◽  
Thermally Driven ◽  
Poly Acrylamide

We report on the formation of poly(acrylamide) (PAAm) with a relatively-narrow molecular weight distribution (MWD) by means of thermally-driven directional free-radical polymerization carried out in polymerization chambers featuring two parallel glass walls separated by various distances, ranging from sub-millimeter to a few millimeters.

Peculiarities of flow and viscoelastic properties of solutions of polymers with a narrow molecular-weight distribution

1973 ◽  
Vol 9 (11) ◽  
pp. 1231-1249 ◽  
Author(s):  
G.V. Vinogradov ◽  
A.Ya. Malkin ◽  
N.K. Blinova ◽  
S.I. Sergeyenkov ◽  
M.P. Zabugina ◽  
...  
Keyword(s):  
Molecular Weight ◽  
Molecular Weight Distribution ◽  
Weight Distribution ◽  
Viscoelastic Properties ◽  
Narrow Molecular Weight Distribution

Controlled and Efficient Polymerization of Methyl Methacrylate Catalyzed by Pyridinylidenaminophosphines Based Lewis Pairs

2021 ◽  
Author(s):  
Fang Ge ◽  
Sun Li ◽  
Zhe Wang ◽  
Wenzhong Zhang ◽  
Xiaowu Wang
Keyword(s):  
Molecular Weight ◽  
Methyl Methacrylate ◽  
Molecular Weight Distribution ◽  
Weight Distribution ◽  
Living Polymerization ◽  
Narrow Molecular Weight Distribution ◽  
Synthetic Approaches ◽  
Lewis Pairs

Developing different synthetic approaches to realize controlled or living polymerization are aspirational to achieve polymers with defined molecular weight, narrow molecular weight distribution and unambiguous structures by polymer chemists. Herein,...

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