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  Specialty Porous Materials


NanoPore's expertise in synthesis and production of porous materials with high surface area, high porosity, low density, and controlled pore size distribution allows us to develop specialty materials taylored to the needs of customers. These may range in form from thin films of a few nanometers in thickness and very high purity to large-scale synthesis of bulk granules. Compositions we produce include metal oxides (silica, alumina, titania, etc.), nonoxide ceramics, as well as carbon based materials and composites. Pore sizes range from less than one nanometer to greater than one micron. 


An example of our specialty porous materials is shown in the image above. The scanning electron microscope image is of a porous, mixed metal oxide film with a very narrow pore size distribution with pore size of approximately 300 nanometers. The electrical properties and film thickness (which is less than 2 microns) of this film were developed to meet the unique requirements of our customer. To meet their purity requirements, production is undertaken in one of our Class 100 cleanrooms.


Specialty Adsorbents

NanoPore also develops and markets high performance porous adsorbents for specialty applications. With our knowledge and expertise of porous material and surface modification, we tailor the properties of both silica and carbon-based adsorbents to achieve superior adsorption performance in applications such as gas masks, ammonia/amine removal in IC Fabs, and high temperature acid gas cleanup.

Improvements we have made to adsorbents include an increase in total uptake, an increase in uptake/retention at very low concentrations, and lowering poisoning by adsorption of secondary adsorbates. Another benefit is modifying the kinetics in order to reduce cycle time in applications such as PSA (Pressure Swing Adsorption) columns.

A typical example is shown below. In this case, NanoPore has surface modified commercial activated carbon in an effort to improve ammonia adsorption capacity. This is a preliminary result which shows approximately a 10x improvement in capacity over the starting activated carbon and 2-3x over a commerical carbon which has been impregnated for ammonia adsorption. Newer samples have capacity 2-4x higher than the sample shown below. These surface-modified carbons are in development and are being offered in developmental quantities to key customers.

For more information about NanoPore's specialty porous materials or adsorbents,
please contact us.

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