Selectively permeable zeolite adsorbents and sealants made there

Details Selectively permeable zeolite adsorbents and sealants made there Selectively permeable zeolite adsorbents and sealants made there

1986-10-16

1988-05-24

Murtagh, John E.

Static structures (e.g., buildings)

Transparent panel having active treatment with gas or liquid

Hygroscopic material; e.g., internal drier

E06B 324

Patent

active

047457112

ABSTRACT:
The invention relates to an improved adsorbent, essentially impermeable to oxygen and nitrogen but permeable to water vapor, and to sealants incorporating said adsorbent. The adsorbent comprises outgassed zeolite having pores with apertures large enough to permit entry of gases such as oxygen and nitrogen into the pore spaces and having on its surface, covering the pore apertures, a fluid which is essentially impermeable to nitrogen and oxygen molecules and yet permeable to water vapor. The zeolite adsorbent, and sealants prepared from the zeolite, are particularly useful in the fabrication of thermal insulating glazed windows having a sealed air pocket.

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patent: 4309281 (1982-01-01), Dessau
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patent: 4477583 (1984-10-01), Rodewald
patent: 4528281 (1985-07-01), Sutt
patent: 4622249 (1986-11-01), Bowser

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