Irradiation of hydrophilic and hydrophobic monomers to produce h

Details Irradiation of hydrophilic and hydrophobic monomers to produce h Irradiation of hydrophilic and hydrophobic monomers to produce h

1973-03-12

1976-03-09

Tillman, Murray

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415915, 20415916, 20415917, 260857G, 260873, 260884, 260885, 260886, C08F 248, C08F 254

Patent

active

039430456

ABSTRACT:
A hydrophilic polymer or copolymer is produced in an environment free from a chemical initiator and preferably by irradiation of the starting materials, particularly by gamma rays. The product polymer or copolymer is thus free from the residua of chemical initiators and the method permits the production of polymers and copolymers which are particularly suitable for use in contact with living tissue, for example as contact lenses, prosthetic devices, surgical implants, protective corneal fittings and protective membranes or bandages.

REFERENCES:
patent: 3699089 (1972-10-01), Wichterle
patent: 3721657 (1973-03-01), Seiderman
patent: 3792028 (1974-02-01), Seiderman

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