Hydrophobic microporous materials and process for producing same

Details Hydrophobic microporous materials and process for producing same Hydrophobic microporous materials and process for producing same

1974-08-16

1976-01-06

Schofer, Joseph L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4215, 260 4214, C08K 324, C08K 334, C08K 336, C08K 502

Patent

active

039310671

ABSTRACT:
A normally hydrophilic microporous material having a polymeric matrix and a filler dispersed throughout the matrix wherein the filler contains active polar groups, is rendered hydrophobic by exposing the material to a reactive compound. In one preferred embodiment of the invention the reactive compound is a silane or a silazane whereas in another preferred embodiment the reactive compound is a Werner-type complex of fatty acids coordinated with a metal. The treated microporous material is rendered impervious to water-based liquids but remains pervious with respect to vapors or gases.

REFERENCES:
patent: 3862030 (1975-01-01), Goldberg

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