发明名称 |
A PROCESS FOR SUPPRESSING THE FOAMING OF AN AQUEOUS SYSTEM |
摘要 |
The present invention relates to a process for suppressing the foaming of an aqueous system which involves combining water and at least one defoamer composition which has a hydroxyl equivalent molecular weight of at least 400 0 DA and a cloud point less than or equal to 30~C in 1% aqueous solution. The high hydroxyl equivalent molecular weight defoamers of the present invention exhibit excellent defoaming properties at a low cloud point. Additionally, defoamers of the present invention exhibit defoaming properties which are better than those of defoamers having the same cloud point which are based o n polyoxyalkylene copolymers prepared in the presence of potassium hydroxide. The superior defoaming properties of the defoamers of the present invention are particularly useful in the manufacture or processing of food items.</SDO AB>
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申请公布号 |
CA2504726(A1) |
申请公布日期 |
2004.05.27 |
申请号 |
CA20032504726 |
申请日期 |
2003.11.03 |
申请人 |
BAYER MATERIALSCIENCE LLC |
发明人 |
BROWNE, EDWARD P. |
分类号 |
B01D19/04;(IPC1-7):B01D19/04;D21H21/12 |
主分类号 |
B01D19/04 |
代理机构 |
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