Verfahren zur Herstellung von Filmen oder Folien durch Polymerisieren von Chloral

摘要

Chloral is polymerized directly to a film or sheet of high molecular weight polychloral by applying to a solid substrate within a reaction chamber a mixture of (1) a polymerizable material including liquid chloral monomer and (2) a polymerization catalyst or forming such mixture upon the solid substrate, maintaining the mixture at polymerization temperature within the reaction chamber while supported upon the solid substrate and removing the polychloral product. The liquid chloral and polymerization catalyst may be mixed in another reaction chamber, partially polymerized and passed to the substrate in the first reaction chamber. The process may be continuous. The preferred catalyst is 2-6-dimethoxy phenyl-lithium admixed with diethyl zinc. Apparatus for carrying out the process is described.