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Application filed by Ustav Makromolekularni ChemiefiledCriticalUstav Makromolekularni Chemie
Priority to CS673088ApriorityCriticalpatent/CS274968B2/en
Publication of CS673088A2publicationCriticalpatent/CS673088A2/en
Publication of CS274968B2publicationCriticalpatent/CS274968B2/en
Casting Or Compression Moulding Of Plastics Or The Like
(AREA)
Abstract
The solution concerns a method of production of plano-convex lenses, which consists in the fact that a mixture of monomers with polymer catalyser, like for example diisopropylpercarbonate or benzoinethylether, is applied on a bearing plate with a horizontal planar surface, delimited by a circular edge. Then this mixture is polymerised and when the polymerization is terminated the lens is separated from the bearing plate.
CS673088A1988-10-111988-10-11Method of plano-convex lens production
CS274968B2
(en)
Solid object, partic. contact lens - prepd. from polymer with simultaneous inter-penetration networks formed from crosslinked hydrophilic and hydrophobic polymers