Solid Defoaming Agent
AssigneeAu Optronics Corporation
InventorsShao-Hai Fang, Hey-Uan Wei
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Abstract
The present invention provides a method for producing a solid defoaming/antifoaming agent comprising the following steps: providing an alkaline solution; adding an oil to the above alkaline solution to produce a saponification reaction; adding a liquid antifoaming agent; and putting aside the mixture containing the above alkaline solution, the oil and the liquid antifoaming agent to form the solid antifoaming agent. The ingredients of the solid antifoaming agent according to the present invention include 5˜40 weight percent vegetable oil, a 20˜40 weight percent sodium hydroxide solution and a 30˜60 weight percent liquid antifoaming agent.
Claims7
A solid antifoaming agent having the following compositions:
- 5˜40 weight percent vegetable oil;
- 20˜40 weight percent sodium hydroxide solution;
- and
- 30˜60 weight percent liquid antifoaming agent.
Dependencies are inferred from the claim text.