Method for making transparent continuous zeolite film and...

Details Method for making transparent continuous zeolite film and... Method for making transparent continuous zeolite film and...

2007-08-07

2007-08-07

Sample, David (Department: 1755)

Catalyst, solid sorbent, or support therefor: product or process

In form of a membrane

C502S060000, C502S064000, C502S077000, C423SDIG022, C427S377000, C427S380000, C427S397700, C427S397800, C427S443200, C427S240000, C427S427000

Reexamination Certificate

active

10942359

ABSTRACT:
A method for making transparent continuous zeolite film is provided. First a transparent precursor sol is prepared, and the precursor sol is processed to a specific concentration. The precursor solution is coated on a surface of a substrate which is heated under an ambiance of 120˜250° C. in temperature and a humidity less than saturated humidity. The packing of zeolite nanocrystals in the film converted from coated precursor sol has preferred orientation and the film shows super-hydrophobic property.

REFERENCES:
patent: 5258339 (1993-11-01), Ma et al.
patent: 5871650 (1999-02-01), Lai et al.

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