Über den einfluß ungesättigter verbindungen auf die polymerisation des trioxans

The Polymerization of trioxan in the presence of small amounts of unsaturated compounds acting as chain transfer agents is described, The resulting polymers contain a larger alkali and temperature stable fraction. The chain transfer action of the unsaturated compounds can be explained by addition of the Polyoxymethlene cation to the carbon double bond followed by cleavage of a proton. Copolymerization may also occur to a smaller extent, this explains the increasing amounts of stable polymer. Most of the unsatitrated compounds investigated lower the conversion of the trioxan polymerization. The reason for this is an inhibiting interaction the between the catalyst and the unsaturatedc compound.