GB1082090A - Antifoams - Google Patents
AntifoamsInfo
- Publication number
- GB1082090A GB1082090A GB3455464A GB3455464A GB1082090A GB 1082090 A GB1082090 A GB 1082090A GB 3455464 A GB3455464 A GB 3455464A GB 3455464 A GB3455464 A GB 3455464A GB 1082090 A GB1082090 A GB 1082090A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acids
- composition
- assistants
- normal
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
- B01D19/04—Foam dispersion or prevention by addition of chemical substances
- B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
- B01D19/0418—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing P-atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Detergent Compositions (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
An antifoaming agent comprises a tributyl and/or triamyl phosphate and 0.1 - 20% of the active ingredients, of one or more C14-C22 saturated monocarboxylic acids. The phosphate ester may be of a normal or branched chain butyl or amyl group, isobutyl being preferred. Specified acids are normal myristic, palmitic, stearic, arachidic and behenic acids. Solvents and diluents e.g. low molecular weight alcohols, e.g. n-propanol, glycols and glycol ethers may also be present in the composition. The composition may be used in an amount of 0.02 - 0.05% of the liquid to be treated, in Examples an aqueous liquid containing an alkylbenzene sulphonate possibly containing Na2CO3 or an ethylene oxide-isooctylphenol adduct. The composition may be poured or sprayed onto foaming liquid or added prior to foaming. They may be incorporated into detergents, cleaning and wetting agents, textile treating agents e.g. kier boiling assistants and mercerising assistants and plant protection ingredients. They are particularly active in the presence of ions producing hardness e.g. Mg and Ca ions. Comparative examples disclose mixtures comprising caprylic, lauric and oleic acids and tri-n-propyl, i-octyl, i-nonyl and i-decyl phosphates.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB0083116 | 1965-08-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1082090A true GB1082090A (en) | 1967-09-06 |
Family
ID=6981812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3455464A Expired GB1082090A (en) | 1965-08-03 | 1966-08-02 | Antifoams |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT269080B (en) |
BE (1) | BE685010A (en) |
CH (1) | CH423726A (en) |
DE (1) | DE1519960A1 (en) |
DK (1) | DK113636B (en) |
GB (1) | GB1082090A (en) |
NL (1) | NL6610748A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4083936A (en) * | 1975-09-19 | 1978-04-11 | Woodward Fred E | Manufacture of phosphoric acid using acid phosphate ester antifoaming compositions |
US5259963A (en) * | 1989-01-12 | 1993-11-09 | Sandoz Ltd. | Surface active compositions their production and use |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2613810C2 (en) * | 1976-03-31 | 1982-05-13 | PWA Papierwerke Waldhof-Aschaffenburg AG, 8000 München | Defoaming agents |
-
1965
- 1965-08-03 DE DE19651519960 patent/DE1519960A1/en active Pending
-
1966
- 1966-07-25 CH CH1070866A patent/CH423726A/en unknown
- 1966-07-29 NL NL6610748A patent/NL6610748A/xx unknown
- 1966-08-02 GB GB3455464A patent/GB1082090A/en not_active Expired
- 1966-08-02 DK DK398966A patent/DK113636B/en unknown
- 1966-08-03 BE BE685010D patent/BE685010A/xx unknown
- 1966-08-03 AT AT743866A patent/AT269080B/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4083936A (en) * | 1975-09-19 | 1978-04-11 | Woodward Fred E | Manufacture of phosphoric acid using acid phosphate ester antifoaming compositions |
US5259963A (en) * | 1989-01-12 | 1993-11-09 | Sandoz Ltd. | Surface active compositions their production and use |
Also Published As
Publication number | Publication date |
---|---|
NL6610748A (en) | 1967-02-06 |
CH423726A (en) | 1966-11-15 |
BE685010A (en) | 1967-02-03 |
AT269080B (en) | 1969-03-10 |
DE1519960A1 (en) | 1970-02-26 |
DK113636B (en) | 1969-04-14 |
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