Abstract:
An organic/inorganic composite is provided. The organic/inorganic composite materials are sufficiently hard and brittle to be ground to form particles suitable for biological or chemical separation applications. The organic/inorganic composite materials can be magnetic or magnetically susceptible and can have functional reactive groups to allow attachment of biomolecules. Methods of making and using the organic/inorganic composites are also provided.
Abstract:
A method of preparing an aluminum metaphosphate (ALMP) particulate product includes charging a milling chamber of a ball mill with grinding media and loading an ALMP feedstock into the milling chamber. The ALMP feedstock is milled with the grinding media into ALMP particles at a particle reduction index in a range from 0.25 to 0.5. At a plurality of time steps during a period in which the milling is carried out, a fine fraction of the ALMP particles is removed from the milling chamber while a coarse fraction of the ALMP particles remains in the milling chamber for additional milling. An ALMP particulate product with a particle size distribution having a median particle size in a range from 100 μm to 700 μm is prepared from the ALMP particles removed from the milling chamber.
Abstract:
A porous ceramic honeycomb article includes a primary cordierite phase and an intercrystalline glass phase. In an as-fired condition, the porous ceramic honeycomb article exhibits microcrack parameter Nb3≦0.06 and an as-fired E500° C./E25° C. ratio ≦0.99. The article exhibits a coated microcrack parameter Nb3≦0.14 and a coated E500° C./E25° C. ratio ≦1.06 after the porous ceramic honeycomb article has been washcoated and calcined at a temperature of 550° C. After the article is exposed to a thermal treatment at a temperature ≧800° C. following washcoating and calcining, at least a first portion of the porous ceramic honeycomb article has a first treated microcrack parameter Nb3≧0.18, and a first treated mean coefficient of thermal expansion of not more than 12×10−7/° C. over a temperature range of 25° C. to 800° C. Methods of forming the porous ceramic honeycomb article are also disclosed.
Abstract:
A method of forming a carbon-based electrode includes forming a mixture of activated carbon particles, carbon black particles, binder, and an optional liquid, fibrillating the binder to form a fibrillated mixture, and forming a carbon mat from the fibrillated mixture, wherein the mixture, during the forming of the mixture, is maintained at a temperature less than 19° C. The low temperature process facilitates dispersive and distributive mixing of the components of the carbon mat.
Abstract:
A method of preparing an aluminum metaphosphate (ALMP) particulate product includes charging a milling chamber of a ball mill with grinding media and loading an ALMP feedstock into the milling chamber. The ALMP feedstock is milled with the grinding media into ALMP particles at a particle reduction index in a range from 0.25 to 0.5. At a plurality of time steps during a period in which the milling is carried out, a fine fraction of the ALMP particles is removed from the milling chamber while a coarse fraction of the ALMP particles remains in the milling chamber for additional milling. An ALMP particulate product with a particle size distribution having a median particle size in a range from 100 μm to 700 μm is prepared from the ALMP particles removed from the milling chamber.
Abstract:
A porous ceramic honeycomb article includes a primary cordierite phase and an intercrystalline glass phase. In an as-fired condition, the porous ceramic honeycomb article exhibits microcrack parameter Nb3≦0.06 and an as-fired E500° C./E25° C. ratio ≦0.99. The article exhibits a coated microcrack parameter Nb3≦0.14 and a coated E500° C./E25° C. ratio ≦1.06 after the porous ceramic honeycomb article has been washcoated and calcined at a temperature of 550° C. After the article is exposed to a thermal treatment at a temperature ≧800° C. following washcoating and calcining, at least a first portion of the porous ceramic honeycomb article has a first treated microcrack parameter Nb3≧0.18, and a first treated mean coefficient of thermal expansion of not more than 12×10−7/° C. over a temperature range of 25° C. to 800° C. Methods of forming the porous ceramic honeycomb article are also disclosed.