Vinyl Ether Polymerization

Vinyl ethers undergo homopolymerization via a cationic mechanism.

Vinyl ether polymerization.

This article is part of the themed collection. A preferred complex is a complex of lithium tetrafluoroborate and a glyme. Vinyl ethers undergo radical initiated copolymerization in the presence of specific monomers such as maleates fumarates and acrylics. Provided is a method for the polymerization of vinyl ethers catalyzed by complexes of a lithium salt and a polyether.

Stereoselective cationic polymerization of vinyl ethers by easily and finely tunable titanium complexes prepared from tartrate derived diols. We have recently realized ring expansion cationic polymerization of vinyl ethers by using a hemiacetal ester embedded cyclic initiator that is easily synthesized. The photoinitiated polymerization of vinyl ether ve based coatings has been studied by real time infrared rtir spectroscopy. They rely on a chiral phosphoric acid in.

In order to overcome the challenge of direct radical polymerization of vinyl ethers commercial hydroxy functional vinyl ethers such as 2 hydroxyethyl vinyl ether heve were subjected to free radical polymerization generating vinyl polymers without polyacetals obtained by self polyaddition polymerization. Herein the unique polymerization is reviewed along with the history of ring expansion polymerization. It was in 1878 that wislicenus reported the transformation of ethyl vinyl ether into a viscous material in the presence of iodine. In the presence of diaryliodonium or triarylsulfonium photoinitiators the cationic polymerization occurs rapidly upon uv exposure and continues to proceed upon storage in the dark.

They are increasingly used in radiation curing systems because of a lower toxicity profile than the commonly used acrylic monomers. This polymerization proceeds under mild conditions. 1 the first systematic investigations of vinyl ether polymerization began in 1928 at i g. Teator and leibfarth report a general protocol to polymerize a variety of such vinyl ethers isotactically see the perspective by foster and o reilly.