Magnesium Bromide (MgBr2) as a Catalyst for Living Cationic Polymerization and Ring-Expansion Cationic Polymerization

2021 ◽  
Author(s):  
Yuji Daito ◽  
Reina Kojima ◽  
Naoyuki Kusuyama ◽  
Yasuhiro Kohsaka ◽  
Makoto Ouchi
Keyword(s):  
Vinyl Ether ◽  
Cationic Polymerization ◽  
Ring Expansion ◽  
Magnesium Bromide ◽  
Effective Catalyst ◽  
Living Cationic Polymerization ◽  
Cationic Polymerizations

Magnesium bromide (MgBr2) was found as an effective catalyst for ring-expansion cationic polymerizations of isobutyl vinyl ether (IBVE) initiated by a “cyclic” hemiacetal ester (HAE) bond-based initiator leading to syntheses...

Synthesis of block or graft copolymers containing poly(styrene derivative) segments by living cationic polymerization using acetal moieties as latent initiating sites

2015 ◽  
Vol 6 (35) ◽  
pp. 6316-6324 ◽  
Author(s):  
Norifumi Yokoyama ◽  
Hirotoshi Yoshida ◽  
Arihiro Kanazawa ◽  
Shokyoku Kanaoka ◽  
Sadahito Aoshima
Keyword(s):  
Vinyl Ether ◽  
Cationic Polymerization ◽  
Graft Copolymers ◽  
Living Cationic Polymerization ◽  
Cationic Polymerizations

Block and graft copolymers were synthesized via acetal-initiated living cationic polymerizations of p-methylstyrene using poly(vinyl ether)s with acetal moieties.

Synthesis of Methyl Vinyl Ether-Styrene Block Copolymers by the Sequential Living Cationic Polymerization

1994 ◽  
Vol 27 (14) ◽  
pp. 3714-3720 ◽  
Author(s):  
Takahiro Ohmura ◽  
Mitsuo Sawamoto ◽  
Toshinobu Higashimura
Keyword(s):  
Block Copolymers ◽  
Vinyl Ether ◽  
Cationic Polymerization ◽  
Methyl Vinyl ◽  
Living Cationic Polymerization ◽  
Methyl Vinyl Ether

In-Situ Direct Analysis of the Growing Species by119Sn NMR Spectroscopy:  Living Cationic Polymerization of Isobutyl Vinyl Ether with HCl/SnCl4/nBu4NCl1

1998 ◽  
Vol 31 (15) ◽  
pp. 4703-4709 ◽  
Author(s):  
Hiroshi Katayama ◽  
Masami Kamigaito ◽  
Mitsuo Sawamoto
Keyword(s):  
Nmr Spectroscopy ◽  
Vinyl Ether ◽  
Cationic Polymerization ◽  
Direct Analysis ◽  
Living Cationic Polymerization

Living Cationic Polymerization of Vinyl Ether with a Thienyl Group

2015 ◽  
Vol 72 (7) ◽  
pp. 433-439
Author(s):  
Takeshi NAMIKOSHI ◽  
Ayaka KANEDA ◽  
Takashi MIYANAGA ◽  
Shinji WATANABE ◽  
Miki MURATA
Keyword(s):  
Vinyl Ether ◽  
Cationic Polymerization ◽  
Living Cationic Polymerization ◽  
Thienyl Group

Block copolymers of 2-hydroxyethyl vinyl ether and alkyl vinyl ether by living cationic polymerization: new nonionic macromolecular amphiphiles

1987 ◽  
Vol 20 (9) ◽  
pp. 2045-2049 ◽  
Author(s):  
Masahiko Minoda ◽  
Mitsuo Sawamoto ◽  
Toshinobu Higashimura
Keyword(s):  
Block Copolymers ◽  
Vinyl Ether ◽  
Cationic Polymerization ◽  
Living Cationic Polymerization ◽  
Alkyl Vinyl Ether

Living cationic polymerization of 2-vinyloxyethyl phthalimide: Synthesis of poly(vinyl ether) with pendant primary amino functions

1988 ◽  
Vol 26 (12) ◽  
pp. 3361-3374 ◽  
Author(s):  
Tamotsu Hashimoto ◽  
Hiroshi Ibuki ◽  
Mitsuo Sawamoto ◽  
Toshinobu Higashimura
Keyword(s):  
Vinyl Ether ◽  
Cationic Polymerization ◽  
Living Cationic Polymerization ◽  
Primary Amino
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