C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/43
C04B 33/13 (2006.01) C04B 33/20 (2006.01) C04B 33/24 (2006.01) C07C 211/09 (2006.01)
Patent
CA 2022663
A process for the preparation of whiteware ceramic articles employs an alkylenediamine, such as ethylenediamine, as an additive to increase the green strength of articles prepared by pressing. Optionally, the additive includes a latex such as a styrene butadiene latex in an amount effective to further improve the green strength of the articles prepared. Unlike conventional additives such as polyglycols, the additives of the present invention are effective at low dosages and would not result in ceramic articles with undesirably altered characteristics.
Huntsman Ethyleneamines Ltd.
Smart & Biggar
The Dow Chemical Company
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