Antifoams and/or deaeraters based on oil-in-water dispersions

Details Antifoams and/or deaeraters based on oil-in-water dispersions Antifoams and/or deaeraters based on oil-in-water dispersions

B - Operations, Transporting

01

D

B01D 19/04 (2006.01) D21H 17/09 (2006.01) D21H 21/12 (2006.01)

Patent

CA 2358982

The invention relates to a defoamer and/or deareator on the basis of oil-in- water dispersions which, in the hydrophobe oil-phase, contain 3-thiaalkane-1- oles, 3-thiaoxide-alkane-1-oles, 3-thiadioxide-alkane-1-oles, esters of the compounds mentioned or the mixtures thereof as defoaming and/or deairing compounds. The invention also relates to the use of 3-thiaalkane-1-oles, 3- thiaoxide-alkane-1-oles, 3-thiadioxide-alkane-1-oles, esters of the compounds mentioned or the mixtures thereof as defoamers and/or deareators.

L'invention concerne des agents antimousse et/ou désaérateurs à base de dispersions huile dans eau, qui renferment dans la phase huileuse hydrophobe, comme composés antimousses ou désaérateurs, du 3-thia-alcane-1-ole, 3-thia-oxy-alcane-1-ole, du 3-thiadioxy-alcane-1-ole, des esters desdits composés ou leurs mélanges; ainsi que l'utilisation, comme composés antimousses ou désaérateurs, de 3-thia-alcane-1-oles, de 3-thia-oxy-alcane-1-oles, de 3-thiadioxy-alcane-1-oles, d'esters desdits composés ou de leurs mélanges.

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