B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
18/1101
B29D 11/00 (2006.01) B01J 19/00 (2006.01)
Patent
CA 1235273
ABSTRACT OF THE DISCLOSURE: A method for casting polymeric gels from volatile mixtures of monomers in open molds and to an equipment for performing this method. In the method, the same concentra- tions of volatile components of the mixture are adapted in a protective gas above the bare level which are in the equilibrium state above the monomer mixture at polymeriza- tion temperature. The equipment for performing the method consists of a main piping branch leading a pure protective gas into a polymerization apparatus and at least one aux- iliary piping branch for saturation the protective gas with a volatile component, which are formed by an inlet piping connected to a control valve for setting a constant volume flow-rate and further leading to a device for measurement of the flow rate, where their outlet pipings are connected in a common inlet entering the polymerization apparatus and a saturator for a pure volatile component of the monomer mixture is adapted in the auxiliary branch before the outlet piping.
478477
Wichterle Ivan
Wichterle Otto
Ceskoslovenska Adademie Ved
Robic Robic & Associes/associates
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