Method of treating membranes with ultraviolet radiation

Details Method of treating membranes with ultraviolet radiation Method of treating membranes with ultraviolet radiation

1987-06-24

1989-06-06

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415774, 522148, 526279, C08F 3008

Patent

active

048373869

ABSTRACT:
The present invention is a process for enhancing the permselectivity of a polymeric membrane containing substituted acetylene monomer units without adversely affecting the mechanical properties of the membrane. The process comprises irradiating the surface of the membrane with ultraviolet light while maintaining it in an environment comprising a fluid which is capable of removing surface heat from the polymer film surface without significantly absorbing or depleting the intensity of the ultraviolet rays in the range of 230-280 nm.

REFERENCES:
patent: 4607088 (1986-08-01), Nomura et al.

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