Aluminum titanate batch compositions and method
First Claim
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1. A method for producing a ceramic article comprised of a sintered phase aluminum titanate composition, comprising the steps of:
- providing a plasticized aluminum titanate precursor batch composition comprising;
an inorganic batch composition containing an alumina source, a silica source, and a titania source;
at least one of a recycled pre-reacted aluminum titanate composition or green aluminum titanate precursor composition; and
a sintering aid;
an organic binder; and
a liquid vehicle;
forming an extruded green body from the plasticized aluminum titanate precursor batch composition; and
firing the formed green body under conditions effective to convert the aluminum titanate precursor composition into a ceramic composition comprising a sintered phase aluminum titanate.
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Abstract
Aluminum titanate precursor batch compositions comprising a recycled aluminum titanate component, at least a portion of the recycled aluminum titanate component being comprised of a recycled pre-reacted aluminum titanate composition or alternatively of an un-reacted green aluminum titanate precursor composition, and methods for producing aluminum titanate ceramic articles utilizing the inventive batch compositions.
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Citations
30 Claims
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1. A method for producing a ceramic article comprised of a sintered phase aluminum titanate composition, comprising the steps of:
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providing a plasticized aluminum titanate precursor batch composition comprising; an inorganic batch composition containing an alumina source, a silica source, and a titania source;
at least one of a recycled pre-reacted aluminum titanate composition or green aluminum titanate precursor composition; and
a sintering aid;an organic binder; and a liquid vehicle; forming an extruded green body from the plasticized aluminum titanate precursor batch composition; and firing the formed green body under conditions effective to convert the aluminum titanate precursor composition into a ceramic composition comprising a sintered phase aluminum titanate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An aluminum titanate precursor batch composition comprising:
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an inorganic batch composition containing an alumina source, a silica source, and a titania source;
at least one of a recycled pre-reacted aluminum titanate composition or green aluminum titanate precursor composition; and
a sintering aid;an organic binder; and a liquid vehicle. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method for producing a ceramic article comprised of a sintered phase aluminum titanate composition, comprising the steps of:
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providing a plasticized aluminum titanate precursor batch composition comprising; an inorganic batch composition containing at least one of a recycled pre-reacted aluminum titanate composition or a green aluminum titanate precursor composition; an organic binder; and a liquid vehicle; forming an extruded green body from the plasticized aluminum titanate precursor batch composition; and firing the formed green body under conditions effective to convert the aluminum titanate precursor composition into a ceramic composition comprising a sintered phase aluminum titanate. - View Dependent Claims (22, 23, 24, 25)
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26. An aluminum titanate precursor batch composition comprising:
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an inorganic batch composition containing at least one of a recycled pre-reacted aluminum titanate composition or a green aluminum titanate precursor composition; and
a sintering aid;an organic binder; and a liquid vehicle. - View Dependent Claims (27, 28, 29, 30)
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Specification