CN116617719A - Mineral oil defoaming agent and preparation method thereof - Google Patents
Mineral oil defoaming agent and preparation method thereof Download PDFInfo
- Publication number
- CN116617719A CN116617719A CN202310824364.0A CN202310824364A CN116617719A CN 116617719 A CN116617719 A CN 116617719A CN 202310824364 A CN202310824364 A CN 202310824364A CN 116617719 A CN116617719 A CN 116617719A
- Authority
- CN
- China
- Prior art keywords
- parts
- carbon black
- white carbon
- oil
- mineral oil
- 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.)
- Pending
Links
- 239000002480 mineral oil Substances 0.000 title claims abstract description 30
- 235000010446 mineral oil Nutrition 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000002518 antifoaming agent Substances 0.000 title claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000006229 carbon black Substances 0.000 claims abstract description 69
- 239000003921 oil Substances 0.000 claims abstract description 38
- 239000013530 defoamer Substances 0.000 claims abstract description 25
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 24
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 18
- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 claims abstract description 18
- 229940063655 aluminum stearate Drugs 0.000 claims abstract description 18
- 150000001408 amides Chemical class 0.000 claims abstract description 18
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 18
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000008117 stearic acid Substances 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 16
- 238000001556 precipitation Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000012071 phase Substances 0.000 claims description 10
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 9
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 9
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 9
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000005642 Oleic acid Substances 0.000 claims description 9
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 9
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 9
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 9
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 claims description 5
- 229920001214 Polysorbate 60 Polymers 0.000 claims description 4
- 239000012808 vapor phase Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims description 2
- 238000000265 homogenisation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000000052 comparative effect Effects 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 230000002209 hydrophobic effect Effects 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 6
- 229910021485 fumed silica Inorganic materials 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 229920001909 styrene-acrylic polymer Polymers 0.000 description 1
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
-
- 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
- B01D19/0463—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance containing rings other than aromatic rings
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Lubricants (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention is suitable for the technical field of defoamers, and provides a mineral oil defoamer which comprises the following raw materials in parts by weight: 50-55 parts of naphthenic oil, 200-210 parts of white oil, 1-2 parts of stearic acid, 5-10 parts of aluminum stearate, 1-5 parts of EBS wax, 0.5-1 part of amide wax, 10-21 parts of combined white carbon black and 20-21 parts of emulsifying agent. The invention also provides a preparation method of the mineral oil defoamer. The invention introduces different kinds of white carbon black mixtures, greatly reduces the cost, and has good stability and defoaming effect.
Description
Technical Field
The invention belongs to the technical field of defoamers, and particularly relates to a mineral oil defoamer and a preparation method thereof.
Background
In general, mineral oil defoamers use mineral oil as a carrier, various hydrophobic substances such as white carbon black and the like are added as a defoaming main body, and some defoaming aids and emulsifiers are added to enable the defoamer system to be stable and uniform.
The mineral oil has a certain defoaming effect, various hydrophobic substances are compounded in the mineral oil, so that the defoaming capability of the mixture is greatly enhanced, but hydrophobic particles are easily separated out of a carrier, so that the hydrophobic particles are separated out of a mineral oil system and layered, but the problem can be solved if the fumed silica is adopted, because the fumed silica is easy to form hydrogen bonds on the surface of the fumed silica after being dispersed in the mineral oil system, a structuring effect is generated, a network structure is formed, the sedimentation and layering phenomena of the hydrophobic particles can be effectively prevented by the network structure during storage, and the separation of the hydrophobic particles can be prevented. However, fumed silica is expensive, and if fumed silica is used alone, the cost of the defoamer is increased.
Disclosure of Invention
The embodiment of the invention aims to provide a mineral oil defoamer, which aims to solve the problems in the background technology.
The embodiment of the invention is realized in such a way that the mineral oil defoamer comprises the following raw materials in parts by weight: 50-55 parts of naphthenic oil, 200-210 parts of white oil, 1-2 parts of stearic acid, 5-10 parts of aluminum stearate, 1-5 parts of EBS wax, 0.5-1 part of amide wax, 10-21 parts of combined white carbon black and 20-21 parts of emulsifying agent;
the composite white carbon black is a composition of precipitation white carbon black 523, precipitation white carbon black 4 and gas phase white carbon black 6, wherein the mass ratio of the precipitation white carbon black 523, the precipitation white carbon black 4 and the gas phase white carbon black 6 is 10:19:5.
preferably, the feed comprises the following raw materials in parts by weight: 50-55 parts of naphthenic oil, 200-210 parts of white oil, 1-2 parts of stearic acid, 5-10 parts of aluminum stearate, 1-5 parts of EBS wax, 0.5-1 part of amide wax, 10-21 parts of combined white carbon black and 20-21 parts of emulsifying agent;
the combined white carbon black is a composition of precipitation white carbon black 523 and gas phase white carbon black 6, and the mass ratio of the precipitation white carbon black 523 to the gas phase white carbon black 6 is 1:1.
Preferably, the feed comprises the following raw materials in parts by weight: 50-55 parts of naphthenic oil, 200-210 parts of white oil, 1-2 parts of stearic acid, 5-10 parts of aluminum stearate, 1-5 parts of EBS wax, 0.5-1 part of amide wax, 10-21 parts of combined white carbon black and 20-21 parts of emulsifying agent;
the combined white carbon black is a composition of precipitated white carbon black 4 and vapor phase white carbon black 6, and the mass ratio of the precipitated white carbon black 4 to the vapor phase white carbon black 6 is 19:15.
Preferably, the feed comprises the following raw materials in parts by weight: 54.3 parts of naphthenic oil, 208.3 parts of white oil, 1.5 parts of stearic acid, 6 parts of aluminum stearate, 3 parts of EBS wax, 0.6 part of amide wax, 10.8 parts of combined white carbon black and 21 parts of emulsifier.
Preferably, the emulsifier is one or more of span 60, tween 60 and oleic acid polyoxyethylene ether.
Another object of the embodiment of the present invention is to provide a method for preparing a mineral oil defoamer, which includes the following steps:
adding naphthenic oil, white oil, combined white carbon black, stearic acid, aluminum stearate, EBS wax and amide wax into a reactor for rotating and dispersing, and then stirring at a reduced speed, heating and preserving heat;
homogenizing at high speed, cooling, adding emulsifying agent, homogenizing, stirring at low speed, and cooling to room temperature.
Preferably, the step of rotational dispersion, in particular at a rotational speed of 0.36krpm, is carried out for 15 minutes; the step of decelerating, stirring and heating up, and preserving heat, specifically decelerating to 0.30krpm, stirring and heating up to 160-180 ℃, and preserving heat for 25min; the step of accelerating homogenization is specifically to homogenize for 10min at the rotating speed of 7 krpm; the step of homogenizing by adding the emulsifying agent after cooling, specifically, cooling to 67-73 ℃, adding the emulsifying agent, and homogenizing for 10min; the step of stirring at a reduced speed and cooling to room temperature, specifically to 0.20krpm, is performed.
According to the mineral oil defoaming agent provided by the embodiment of the invention, different types of white carbon black mixtures are introduced, so that the cost is greatly reduced, after the gas-phase white carbon black is dispersed in a mineral oil system, active silicon hydroxyl groups on the surface of the white carbon black are easy to form hydrogen bonds, a structural effect is generated, a network structure is formed, the precipitated white carbon black can be supported under the space network structure, and the defoaming agent provided by the embodiment of the invention has good stability and defoaming effect through the selection of the component proportions.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The naphthenic oil adopted in the embodiment of the invention is purchased from Nanjing refinery Limited liability company, the white oil adopted is specifically 32# white oil, the naphthenic oil is purchased from Nanjing refinery Limited liability company, the stearic acid is purchased from Simer Feier technology, the aluminum stearate is purchased from Simer Feier technology EBS wax is purchased from Nanjing poem New Material technology Limited company, the amide wax is purchased from Nanjing poem New Material technology Limited company, the gas phase method white carbon black 6 is purchased from Shanghai Kain chemical Limited company, the precipitation method white carbon black 523 is purchased from Shanghai Kain chemical Limited company, the precipitation method white carbon black 4 is purchased from Shanghai Kain chemical Limited company, the span 60 is purchased from Guangdong Kappy chemical Limited company, and the oleic acid polyoxyethylene ether is purchased from Jiangdong Kaplan Petroleum chemical factory.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Example 1
A mineral oil defoamer, its preparation method includes the following steps:
54.3g of naphthenic oil, 208.3g of 32# white oil, 3g of white carbon black 6, 6g of white carbon black 523, 11.4g of white carbon black 4, 1.5g of stearic acid, 6g of aluminum stearate, 3g of EBS wax and 0.6g of amide wax are put into a reactor to be dispersed for 15min at the rotating speed of 0.36 krpm; then decelerating to 0.30krpm, stirring, heating to 160 ℃, stirring and preserving heat for 25min; homogenizing at 7krpm for 10min, cooling to 70deg.C, adding emulsifier 21g oleic acid polyoxyethylene ether, and homogenizing for 10min; finally, the reaction mixture was decelerated to 0.20krpm, stirred and cooled to room temperature. A product with a viscosity of 356 mPas was obtained at 25 ℃.
Example 2
A mineral oil defoamer, its preparation method includes the following steps:
54.3g of naphthenic oil, 208.3g of 32# white oil, 5.4g of white carbon black 6, 5.4g of white carbon black 523, 1.5g of stearic acid, 6g of aluminum stearate, 3g of EBS wax and 0.6g of amide wax are put into a reactor to be dispersed for 15min at a rotating speed of 0.36 krpm; then decelerating to 0.30krpm, stirring, heating to 170 ℃, stirring and preserving heat for 25min; homogenizing for 10min at 7krpm, cooling to 67 ℃, adding 1.6g span 60, 3g Tween 60 and 16.4g oleic acid polyoxyethylene ether as emulsifier, and homogenizing for 10min; finally, the reaction mixture was decelerated to 0.20krpm, stirred and cooled to room temperature. A product with a viscosity of 372 mPas was obtained at 25 ℃.
Example 3
A mineral oil defoamer, its preparation method includes the following steps:
54.3g of naphthenic oil, 208.3g of 32# white oil, 9g of white carbon black 6, 11.4g of white carbon black 4, 1.5g of stearic acid, 6g of aluminum stearate, 3g of EBS wax and 0.6g of amide wax are put into a reactor and dispersed for 15min at a rotating speed of 0.36 krpm; then decelerating to 0.30krpm, stirring, heating to 180 ℃, stirring and preserving heat for 25min; homogenizing at 7krpm for 10min, cooling to 75deg.C, adding 21g oleic acid polyoxyethylene ether as emulsifier, and homogenizing for 10min; finally, the reaction mixture was decelerated to 0.20krpm, stirred and cooled to room temperature. A product having a viscosity of 1212 mPas was obtained at 25 ℃.
Comparative example 1
A mineral oil defoamer, its preparation method includes the following steps:
54.3g of naphthenic oil, 208.3g of 32# white oil, 3g of white carbon black 6, 2.4g of white carbon black 523, 11.4g of white carbon black 4, 1.5g of stearic acid, 6g of aluminum stearate, 3g of EBS wax and 0.6g of amide wax are put into a reactor and dispersed for 15min at a rotating speed of 0.36 krpm; then decelerating to 0.30krpm, stirring, heating to 160 ℃, stirring and preserving heat for 25min; homogenizing at 7krpm for 10min, cooling to 70deg.C, adding emulsifier 21g oleic acid polyoxyethylene ether, and homogenizing for 10min; finally, the reaction mixture was decelerated to 0.20krpm, stirred and cooled to room temperature. A product having a viscosity of 710 mPas was obtained at 25 ℃.
Comparative example 2
A mineral oil defoamer, its preparation method includes the following steps:
54.3g of naphthenic oil, 208.3g of 32# white oil, 8g of white carbon black 6, 5.4g of white carbon black 523, 1.5g of stearic acid, 6g of aluminum stearate, 3g of EBS wax and 0.6g of amide wax are put into a reactor and dispersed for 15min at a rotating speed of 0.36 krpm; then decelerating to 0.30krpm, stirring, heating to 160 ℃, stirring and preserving heat for 25min; homogenizing for 10min at 7krpm, cooling to 70deg.C, adding emulsifier 1.6g span 60, tween 60 3g, and oleic acid polyoxyethylene ether 16.4g, homogenizing for 10min; finally, the reaction mixture was decelerated to 0.20krpm, stirred and cooled to room temperature. A product having a viscosity of 418 mPas was obtained at 25 ℃.
Comparative example 3
A mineral oil defoamer, its preparation method includes the following steps:
54.3g of naphthenic oil, 208.3g of 32# white oil, 6g of white carbon black 6, 11.4g of white carbon black 4, 1.5g of stearic acid, 6g of aluminum stearate, 3g of EBS wax and 0.6g of amide wax are put into a reactor and dispersed for 15min at a rotating speed of 0.36 krpm; then decelerating to 0.30krpm, stirring, heating to 160 ℃, stirring and preserving heat for 25min; homogenizing at 7krpm for 10min, cooling to 70deg.C, adding 21g of emulsifier oleic acid polyoxyethylene ether, and homogenizing for 10min; finally, the reaction mixture was decelerated to 0.20krpm, stirred and cooled to room temperature. A product with a viscosity of 841 mPa.s was obtained at 25 ℃.
Performance test:
1. defoaming agent defoaming and foam inhibition test:
200g of styrene-acrylic emulsion was added to a 1000mL cup, 1% of the defoamer products of examples 1 to 3 and comparative examples 1 to 3 were added respectively, the defoamers were dispersed at a high speed of 1495rpm for 10 minutes by a laboratory high-speed disperser, immediately after stopping, the mixture was poured into a 500mL measuring cylinder, the weight and volume of the liquid were recorded, the specific gravity was calculated, and the specific gravity value indicated that the air content was small, indicating that the defoamer was good in foam inhibition performance, and the test results were shown in Table 1:
TABLE 1
| Defoaming agent | Specific gravity g/mL |
| Example 1 | 0.850 |
| Example 2 | 0.825 |
| Example 3 | 0.820 |
| Comparative example 1 | 0.807 |
| Comparative example 2 | 0.809 |
| Comparative example 3 | 0.811 |
2. Stability test of defoamer:
the defoamer products of examples 1-3 and comparative examples 1-3 were placed into graduated centrifuge tubes at 2500rpm and centrifuged at high speed for 20min, after centrifugation, the larger the volume of the upper oily liquid in the centrifuge tube indicates the worse the stability of the defoamer, and the test results are shown in table 2:
TABLE 2
As can be seen from table 1 and table 2, the defoamer prepared by the embodiment of the invention has good stability and defoaming effect, and has the characteristics of environmental protection, safety and excellent performance; through the selection of the component proportion among the white carbon black and the control of the preparation method, the efficient, stable and uniform mineral oil type defoamer is obtained.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. The mineral oil defoaming agent is characterized by comprising the following raw materials in parts by weight: 50-55 parts of naphthenic oil, 200-210 parts of white oil, 1-2 parts of stearic acid, 5-10 parts of aluminum stearate, 1-5 parts of EBS wax, 0.5-1 part of amide wax, 10-21 parts of combined white carbon black and 20-21 parts of emulsifying agent;
the composite white carbon black is a composition of precipitation white carbon black 523, precipitation white carbon black 4 and gas phase white carbon black 6, wherein the mass ratio of the precipitation white carbon black 523, the precipitation white carbon black 4 and the gas phase white carbon black 6 is 10:19:5.
2. the mineral oil defoaming agent is characterized by comprising the following raw materials in parts by weight: 50-55 parts of naphthenic oil, 200-210 parts of white oil, 1-2 parts of stearic acid, 5-10 parts of aluminum stearate, 1-5 parts of EBS wax, 0.5-1 part of amide wax, 10-21 parts of combined white carbon black and 20-21 parts of emulsifying agent;
the combined white carbon black is a composition of precipitation white carbon black 523 and gas phase white carbon black 6, and the mass ratio of the precipitation white carbon black 523 to the gas phase white carbon black 6 is 1:1.
3. The mineral oil defoaming agent is characterized by comprising the following raw materials in parts by weight: 50-55 parts of naphthenic oil, 200-210 parts of white oil, 1-2 parts of stearic acid, 5-10 parts of aluminum stearate, 1-5 parts of EBS wax, 0.5-1 part of amide wax, 10-21 parts of combined white carbon black and 20-21 parts of emulsifying agent;
the combined white carbon black is a composition of precipitated white carbon black 4 and vapor phase white carbon black 6, and the mass ratio of the precipitated white carbon black 4 to the vapor phase white carbon black 6 is 19:15.
4. A mineral oil defoamer according to any of claims 1-3, characterized by comprising the following raw materials in parts by weight: 54.3 parts of naphthenic oil, 208.3 parts of white oil, 1.5 parts of stearic acid, 6 parts of aluminum stearate, 3 parts of EBS wax, 0.6 part of amide wax, 10.8 parts of combined white carbon black and 21 parts of emulsifier.
5. A mineral oil defoamer of any of claims 1-3, wherein the emulsifier is one or more of span 60, tween 60, oleic acid polyoxyethylene ether.
6. A process for the preparation of a mineral oil defoamer as claimed in any of claims 1 to 3, comprising the steps of:
adding naphthenic oil, white oil, combined white carbon black, stearic acid, aluminum stearate, EBS wax and amide wax into a reactor for rotating and dispersing, and then stirring at a reduced speed, heating and preserving heat;
homogenizing at high speed, cooling, adding emulsifying agent, homogenizing, stirring at low speed, and cooling to room temperature.
7. The method of preparing a mineral oil defoamer of claim 6, wherein the step of rotational dispersion is specifically carried out at a rotational speed of 0.36krpm for 15min; the step of decelerating, stirring and heating up, and preserving heat, specifically decelerating to 0.30krpm, stirring and heating up to 160-180 ℃, and preserving heat for 25min; the step of accelerating homogenization is specifically to homogenize for 10min at the rotating speed of 7 krpm; the step of homogenizing by adding the emulsifying agent after cooling, specifically, cooling to 67-73 ℃, adding the emulsifying agent, and homogenizing for 10min; the step of stirring at a reduced speed and cooling to room temperature, specifically to 0.20krpm, is performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310824364.0A CN116617719A (en) | 2023-07-06 | 2023-07-06 | Mineral oil defoaming agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310824364.0A CN116617719A (en) | 2023-07-06 | 2023-07-06 | Mineral oil defoaming agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116617719A true CN116617719A (en) | 2023-08-22 |
Family
ID=87617291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310824364.0A Pending CN116617719A (en) | 2023-07-06 | 2023-07-06 | Mineral oil defoaming agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116617719A (en) |
-
2023
- 2023-07-06 CN CN202310824364.0A patent/CN116617719A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4005044A (en) | Method of making aqueous antifoam compositions | |
| US4021365A (en) | Silica base defoamer compositions with improved stability | |
| US4395352A (en) | High efficiency antifoam compositions and process for reducing foaming | |
| CN1903951B (en) | Improved non-organic silicone paint antifoaming agent and its preparation method | |
| CN102489049B (en) | Mineral oil type antifoaming agent and preparation method thereof | |
| CN109248473B (en) | Defoaming composition | |
| CN109011718B (en) | Preparation method of oil-based dispersion | |
| CN108484933B (en) | Organic silicon emulsion and production process thereof | |
| CN111871010B (en) | Organic silicon defoaming agent and preparation method thereof | |
| CN104906832A (en) | Polyether ester/mineral oil composite defoaming agent and preparation method thereof | |
| CN101445760A (en) | Method for improving stability of mineral oil defoaming agent | |
| CN108786189B (en) | A kind of non-silicon defoaming agent and preparation method thereof | |
| CN106243364B (en) | A kind of organic silicon modified by polyether lotion and preparation method thereof | |
| CN116617719A (en) | Mineral oil defoaming agent and preparation method thereof | |
| CN115197411B (en) | Long fatty chain modified polyether and polyether defoamer composition and preparation method thereof | |
| JPH01301757A (en) | Silicon emulsion composition | |
| CN108129586A (en) | A kind of efficient antitack agent and preparation method thereof | |
| JPH0218123B2 (en) | ||
| CN113943532A (en) | Water-based organic silicon emulsion and preparation method thereof | |
| CN109289255A (en) | A kind of Sudo controlling compositions and preparation method thereof | |
| US4338217A (en) | Antifoams | |
| CN113797594A (en) | Preparation method of stable natural oil defoaming agent | |
| US4101442A (en) | Non-aqueous antifoam compositions | |
| CN114989648A (en) | Environment-friendly hydrophobic corrosion-resistant silane paste impregnant for concrete and preparation method thereof | |
| CN113577841B (en) | Preparation method of foam inhibition and defoaming agent for grey board paper production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |