Lewis Acid-Promoted Anionic Polymerization of a Monomer with High Cationic Polymerizability. Synthesis of Narrow Molecular Weight Distribution Polyoxetane and Polyoxetane-Poly(methyl methacrylate) Block Copolymer with Aluminum Porphyrin Initiators

1995 ◽  
Vol 28 (2) ◽  
pp. 651-652 ◽  
Author(s):  
Daisuke Takeuchi ◽  
Yoshihiko Watanabe ◽  
Takuzo Aida ◽  
Shohei Inoue
Keyword(s):  
Molecular Weight ◽  
Block Copolymer ◽  
Methyl Methacrylate ◽  
Molecular Weight Distribution ◽  
Lewis Acid ◽  
Weight Distribution ◽  
Anionic Polymerization ◽  
Narrow Molecular Weight Distribution ◽  
Poly Methyl Methacrylate

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,...

Nitroxide-mediated polymerization of methyl methacrylate by 4,4′-dimethoxydiphenyl-based alkoxyamine

RSC Advances ◽  
2016 ◽  
Vol 6 (77) ◽  
pp. 73842-73847 ◽  
Author(s):  
Zhecheng Zhu ◽  
Guorong Shan ◽  
Pengju Pan
Keyword(s):  
Molecular Weight ◽  
Methyl Methacrylate ◽  
Molecular Weight Distribution ◽  
Weight Distribution ◽  
Linear Increase ◽  
Narrow Molecular Weight Distribution ◽  
Nitroxide Mediated Polymerization

4,4′-Dimethoxydiphenyl nitroxide-based alkoxyamine was prepared and used to control the polymerization of methyl methacrylate. Linear increase in molecular weight with conversion and narrow molecular weight distribution was up to 65% conversion.

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