Reactive binders for porous wall-flow filters

Details Reactive binders for porous wall-flow filters Reactive binders for porous wall-flow filters

2006-03-30

2009-08-18

Greene, Jason M (Department: 1797)

Gas separation

Specific media material

Ceramic or sintered

C055S282300, C055S385300, C055S524000, C055SDIG007, C055SDIG010, C055SDIG030, C060S299000, C060S611000, C095S273000, C422S180000, C428S118000, C264S041000, C264S044000, C264S628000, C264S630000, C264S631000, C264SDIG048

Reexamination Certificate

active

07575618

ABSTRACT:
Porous ceramic articles such as ceramic filters are provided from ceramic extrusion batches comprising mixtures of oxides and oxide precursors with a reactive binder system, the binder system comprising a cellulosic temporary binder and two or more reactive binder components such as colloidal alumina, carbohydrate pore formers, reactive high charge density polymers, and chemical cross-linkers, the reactive binder system promoting cross-linking or networking reactions in the batch that enhance the fine pore structures of the porous ceramic products.

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