CO.sub.2 copolymer binder for forming ceramic bodies and a shaping process using the same
AssigneeAir Products and Chemicals, Inc.
InventorsDaniel P. Kramer, Joseph G. Santangelo, James J. Weber
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Abstract
The present invention relates to a binder and a method for making and shaping a green body of ceramic powder and subsequently producing a formed ceramic body. The method of the present invention comprises admixing a ceramic powder with a binder comprising a polyalkylene carbonate to form a ceramic-binder mixture. The binder of the present invention comprises a polyalkylene carbonate, preferably polyethylene carbonate or polypropylene carbonate.
Claims9
A method for producing a shaped ceramic body which comprises:
- (a) admixing a ceramic powder with a binder comprising a polyalkylene carbonate to produce a ceramic-binder mixture;
- (b) shaping the ceramic-binder mixture into a green body;
- and
- (c) sintering the green body to form the shaped ceramic body.
A method for producing a shaped green body of ceramic powder which comprises:
- (a) admixing a ceramic powder with a binder comprising a polyalkylene carbonate to produce a ceramic-binder mixture, the ceramic-binder mixture containing between 0.5 wt % and 15 wt % binder comprising a polyalkylene carbonate;
- and
- (b) shaping the ceramic-binder mixture into a green body.
Dependencies are inferred from the claim text.