Sequence-controlled degradable polymers by controlled cationic copolymerization of vinyl ethers and aldehydes: precise placement of cleavable units at predetermined positions

2015 ◽  
Vol 6 (22) ◽  
pp. 4102-4108 ◽  
Author(s):  
Marie Kawamura ◽  
Arihiro Kanazawa ◽  
Shokyoku Kanaoka ◽  
Sadahito Aoshima
Keyword(s):  
Main Chain ◽  
Degradable Polymers ◽  
Vinyl Ethers ◽  
Cationic Copolymerization

Sequence-controlled degradable polymers with precisely placed breakable bonds in the main chain were synthesized by controlled alternating cationic copolymerization of vinyl ethers and aldehydes.

Polyaddition of vinyl ethers and phthalaldehydes via successive cyclotrimerization reactions: selective model reactions and synthesis of acid-degradable linear poly(cyclic acetal)s

2019 ◽  
Vol 10 (11) ◽  
pp. 1377-1385
Author(s):  
Tadashi Naito ◽  
Arihiro Kanazawa ◽  
Sadahito Aoshima
Keyword(s):  
Lewis Acid ◽  
Main Chain ◽  
Acid Catalyst ◽  
Vinyl Monomer ◽  
Cyclic Acetal ◽  
Vinyl Ethers ◽  
Linear Poly ◽  
Lewis Acid Catalyst ◽  
Model Reactions

A polyaddition via the cyclotrimerization of one vinyl monomer and two conjugated dialdehydes proceeded using a Lewis acid catalyst, yielding a polymer with cyclic acetal structures in the main chain.

Synthesis of polyacetals with various main-chain structures by the self-polyaddition of vinyl ethers with a hydroxyl function

2002 ◽  
Vol 40 (22) ◽  
pp. 4053-4064 ◽  
Author(s):  
Tamotsu Hashimoto ◽  
Koji Ishizuka ◽  
Akihiro Umehara ◽  
Toshiyuki Kodaira
Keyword(s):  
Main Chain ◽  
The Self ◽  
Vinyl Ethers

Exceptional copolymerizability of o-phthalaldehyde in cationic copolymerization with vinyl monomers

2019 ◽  
Vol 10 (27) ◽  
pp. 3712-3717 ◽  
Author(s):  
Keisuke Hayashi ◽  
Arihiro Kanazawa ◽  
Sadahito Aoshima
Keyword(s):  
Active Species ◽  
Vinyl Monomers ◽  
Vinyl Ethers ◽  
Cationic Copolymerization ◽  
Sterically Hindered ◽  
Alternating Copolymerization

o-Phthalaldehyde is copolymerized via the unique active species, which allows the controlled copolymerization with alkyl vinyl ethers, alternating copolymerization, and copolymerization with sterically hindered nonhomopolymerizable vinyl monomers.

Controlled cationic copolymerization of vinyl monomers and cyclic acetals via concurrent vinyl-addition and ring-opening mechanisms: the systematic study of structural effects on the copolymerization behavior

2019 ◽  
Vol 10 (39) ◽  
pp. 5304-5314 ◽  
Author(s):  
Kazuya Maruyama ◽  
Arihiro Kanazawa ◽  
Sadahito Aoshima
Keyword(s):  
Systematic Study ◽  
Ring Opening ◽  
Vinyl Monomers ◽  
Structural Effects ◽  
Vinyl Ethers ◽  
Cyclic Acetals ◽  
Cationic Copolymerization

The effects of the structures of cyclic acetals on the copolymerization behavior were systematically investigated in the cationic copolymerization with vinyl ethers.

The influence of the substituents of oxiranes on copolymerization with vinyl ethers via concurrent cationic vinyl-addition and ring-opening mechanisms

2018 ◽  
Vol 9 (4) ◽  
pp. 404-413 ◽  
Author(s):  
Yurika Miyamae ◽  
Arihiro Kanazawa ◽  
Ken-ichi Tamaso ◽  
Kazuhide Morino ◽  
Ryo Ogawa ◽  
...  
Keyword(s):  
Ring Opening ◽  
Vinyl Ethers ◽  
Cationic Copolymerization

The effects of oxirane substituents on the cationic copolymerization with vinyl ethers are discussed in terms of the reactivities of monomers and propagating species.

Synthesis of poly(vinyl ether) optical plastics by cationic copolymerization of tricyclodecane vinyl ether with functionalized vinyl ethers

2012 ◽  
Vol 126 (S2) ◽  
pp. E307-E314 ◽  
Author(s):  
Takeshi Namikoshi ◽  
Tamotsu Hashimoto ◽  
Yuka Suzuki ◽  
Michio Urushisaki ◽  
Toshikazu Sakaguchi
Keyword(s):  
Vinyl Ether ◽  
Vinyl Ethers ◽  
Cationic Copolymerization ◽  
Optical Plastics
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