CN109248473A - A kind of deaeration composition - Google Patents
A kind of deaeration composition Download PDFInfo
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- CN109248473A CN109248473A CN201811309104.5A CN201811309104A CN109248473A CN 109248473 A CN109248473 A CN 109248473A CN 201811309104 A CN201811309104 A CN 201811309104A CN 109248473 A CN109248473 A CN 109248473A
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- deaeration
- composition
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- hydrophobic particles
- oil
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- 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
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- 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
- B01D19/0409—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing Si-atoms
Abstract
The present invention relates to a kind of preparations of deaeration composition, are made of carrier oil, hydrophobic particles, wetting agent agent, organosilicon synergist, emulsifier.Deaeration composition prepared by the present invention has the ability of preferable removing blistering in high viscous system.
Description
Technical field
The present invention relates to a kind of deaeration compositions, and more precisely, the present invention relates to can remove gas in sticky system
Composition of bubble and preparation method thereof belongs to technical field of fine.
Background technique
Bubble or foam are the common phenomenons in industrial processes, and people often eliminate gas therein with defoaming agent
Bubble or foam.Currently, defoaming agent is indispensable fine chemicals auxiliary agent in a kind of industrial processes.
Defoaming agent is classified according to active material, is broadly divided into organic silicon defoamer and antifoaming agent of non-silicone.Organosilicon
Defoaming agent is mainly made of polysiloxanes, white carbon black, emulsifier and water, its main feature is that antifoaming speed is fast, the disadvantage is that with foam is played
The defects of compatibility of system is poor, and silicon spot, shrinkage cavity are easily formed when being used for coating；Antifoaming agent of non-silicone is generally by mineral oil, rouge
The composition such as fat alcohol, aliphatic ester, metallic soap, fatty acid amide, polyethers, defoaming function is fast not as good as the speed of organosilicon, still
Compatibility is good, highly-safe.Generally speaking, different application field also has different emphasis to defoaming agent, specifically
It is exactly that sewage treating and de-foaming agent lays particular emphasis on defoaming and foam inhibition function, paint antifoaming agent requires defoaming agent to have the excellent antifoaming ability that disappear
Energy, stability and compatibility, each system respectively have the feature of itself.
In daily production and living, sticky system is also a kind of common system, such as ink, coating, acrylic resin, glue
Stick, pressure sensitive adhesive, white glue with vinyl etc. be unable to do without the process being stirred in process of production, are stirred and are easily introduced air
Enter, and is difficult to remove, the serious appearance for influencing whether final product.In fact, in high viscosity systems, for bubble
Removing, can be more accurate than " defoaming " with " degassing ".According to daily use experience, people still can for high viscosity systems
It is deaerated with the product of the either modified organic silicon of selection mineral oil type, not will use polysiloxane and hydrophobic grain substantially
Molecular organosilicon product.
The patent for introducing the defoaming agent of mineral oil origin is quite a few: such as US3076768 is described with hydrophobic silicic aerogels, hydrocarbon ils
It is the defoaming agent of component with dispersing agent；US4094812 describes one kind and containsαThe mineral oil type antifoaming agent of hydroxy amine derivatives
Preparation method；US3652452 describes a kind of using the amine of rapid cooling, organic hydrocarbon as the defoaming agent of component；
CN101903074B describes the mineral oil antifoam agent that mineral oil, dispersing agent, white carbon black disperse；CN101445760 describes one
Kind is using ethylene bis stearic acid amide, organic hydrocarbon and hydrophilic white carbon black as the defoaming agent of component；CN101003644 describes a kind of use
In peritonaeum glue using organic hydrocarbon and fatty acid amide as the defoaming agent of component；CN2007100251825.1 describes one kind to have
Machine hydrocarbon and aluminum stearate are the defoaming agent of component；CN201010550336.7 is described with mineral oil, wax, white carbon black, emulsifier
It is formed with oleic acid etc., using the technique of colloid mill circular grinding；CN102120107B and CN201010550282.4 are described
The defoaming agent of dormant oil class is prepared with the method for high speed grinding.
But these products are all to lay particular emphasis on the bubble eliminated and had been formed on liquid level, rather than it is sticky to lay particular emphasis on removing
Bubble inside system, therefore in the case where shearing force is strong, system viscosity is big, the ability for removing air entrapment far can not expire
The requirement produced enough.
Inventor herein is combined by carrier oil, hydrophobic particles, wetting agent, organosilicon synergist and emulsifier
Product has preferable degasifying effect, can be in the removing gas in the sticky system of ink, coating, adhesive, acrylic resin etc.
Bubble.
Summary of the invention
The present invention provides a kind of deaeration composition, the composition has preferable effect for removing the bubble in sticky system
Fruit.The deaeration composition is made of carrier oil, hydrophobic body particle, wetting agent, organosilicon synergist and emulsifier:
A, carrier oil
The carrier oil is to carry tool of the hydrophobic particles to underwater bubble surface penetration, it is referred to by hydrocarbon two elements
The ring-type of composition, straight chain, branched structure mineral oil, including base oil, white oil, alkylbenzene, naphthenic oil, liquid wax, diesel oil, machine
Oil, kerosene.These carrier oils are liquid at room temperature, are used alone or be used in mixed way.
The dosage of the carrier oil is the 75 ~ 90% of deaeration composition gross mass.
B, hydrophobic particles
The hydrophobic particles are the crucial defoaming particle in deaeration composition, and hydrophobic particles refer to metal oxide, including
One of silica (being commonly called as " white carbon black "), aluminium oxide, zinc oxide or magnesia are a variety of.The preferably hydrophobic hard charcoal of the present invention
Black, specific surface area is 200 ~ 500 m2/g。
Generally, hydrophobic silica is to pass through heating in a kettle by hydrophilic silica and hydrophobing agent, stir
Mix what processing obtained.So that the material of white carbon black surface hydrophobicity includes the poly dimethyl silicon of the trimethylsiloxy group sealing end of low viscosity
Oxygen alkane, the hydroxy-end capped dimethyl silicone polymer of low viscosity, hexamethyldisilazane, hexamethyldisiloxane, dimethyl two
Ethoxysilane, methyltrimethoxysilane, methyltriethoxysilane, stearic acid, stearyl alcohol, octamethylcy-clotetrasiloxane,
Tetramethyl-ring tetrasiloxane, hexamethyl cyclotrisiloxane.
The technique of hydrophobized silica is usually that catalyst appropriate is added at 80 DEG C or more to be kept for a period of time and made
, the hydrophobicity for the hydrophobic particles that type, the dosage of hydrophobing agent directly determine.
When preparing deaeration composition, the different specific surface areas and hydrophobic hydrophobic particles are with arbitrary proportion
Mixing.
Hydrophobic particles are the 1~10% of deaeration composition gross mass.
C, wetting agent
The wetting agent refers to water-soluble anionic type and nonionic surface active agent.
Anionic surfactant includes alkyl sulfate, sulfonate, fatty acid or aliphatic ester sulfate, carboxylic soap
Class, phosphate.
Nonionic surface active agent includes alkyl phenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, polyoxyethylene polyoxy
Propylene-based block copolymer, Siloxane-Oxyalkylene Copolymers.
The general structure of the Siloxane-Oxyalkylene Copolymers is as follows:
(I)
In formula (I),mWithnFor the degree of polymerization of silicon chain link,mFor 1 ~ 20 integer,nFor 0 ~ 10 integer；G is polyether group, general formula
For-CH2CH2CH2O(EO) a (PO) b R1, wherein subscriptaWithbFor the degree of polymerization of EO and PO,aIt is 5 ~ 20,bIt is 3 ~ 10；R1For envelope
End group group, selected from hydrogen atom or methyl or acetyl group or butyl.
The dosage of the wetting agent is the 5 ~ 10% of deaeration composition gross mass.
D, organosilicon synergist
The organosilicon synergist is primarily to further increase the deaeration effect of deaeration composition.Have described in patent
Machine silicon synergist mainly by polysiloxanes or lipophilic Siloxane-Oxyalkylene Copolymers and white carbon black basic catalyst effect
The product of lower formation finally dilutes with solvent or does not have to solvent dilution.
The synthesis technology of the organosilicon synergist can be inquired to obtain on general technical data.
The dosage of organosilicon synergist is 0.1 ~ 5%, preferably the 0.5 ~ 3% of deaeration composition gross mass.
E, emulsifier
The emulsifier is primarily used to carrier oil emulsion dispersion in application system, refers mainly to non-ionic surface active
Agent, including straight-chain fatty alcohol polyoxyethylene poly-oxygen propylene aether, isomery fatty alcohol polyoxyethylene ether, alkyl phenol polyoxyethylene ether, oil
Sour polyoxyethylene ether, oleic acid polyoxyethylene poly-oxygen propylene aether, castor oil polyoxyethylene ether, castor oil polyoxyethylene polyoxypropylene
Ether, Siloxane-Oxyalkylene Copolymers.
The emulsifier is 1 ~ 10%, preferably the 3 ~ 7% of deaeration composition gross mass.
The case where according to actual use, the deaeration composition of the invention patent is prepared into solid product or product emulsion.
Deaeration composition of the invention the preparation method is as follows:
Carrier oil, hydrophobic particles and wetting agent are added into the container equipped with emulsification circulating pump, holding temperature is room temperature ~ 150 DEG C,
0.5 ~ 4h is stirred with the revolving speed of 300 ~ 3000rpm, emulsification circulating pump is opened into circulation while stirring, so that hydrophobic particles are carrying
Particle diameter distribution in body oil reaches 1000nm or less；Then organosilicon synergist is added, keeps above-mentioned revolving speed, futher stir and
Recycle 0.5 ~ 2h；Temperature drop to 60 DEG C hereinafter, close circulating pump, reduce by 200 ~ 800rpm of revolving speed, be added emulsifier, stirring 10 ~
30min is to get the deaeration composition for arriving patent.
Detailed description of the invention
Fig. 1 is the transparent comparison after patent sample and comparative sample deaerate in application system.
Specific embodiment
The selection of organosilicon wetting agent: the general structure of organosilicon wetting agent is as follows:
Each subscript in embodimentm、n、a、bAnd R1Value it is as follows:
The selection of organosilicon synergist: it organosilicon synergist SS-1: is made of solvent, dimethyl silicone polymer, hydrophobic silicic aerogels；
Organosilicon synergist SS-2: it is made of polyethers, lipophilic Siloxane-Oxyalkylene Copolymers, hydrophobic silicic aerogels；
Organosilicon synergist SS-3: poly- by dimethyl silicone polymer, white carbon black, hydrophilic polyether modified polysiloxanes, lipophilicity
Ether modified polyorganosiloxane.
Embodiment 1
84 parts of 26# white oils, 5 parts of hydrophobic silicic aerogels (specific surface area 200m will be added in container equipped with emulsification circulating pump2/ g, chlorine
Silane hydrophobic treatment, hydrophobic value M=70%) and 5 parts of lauryl alcohol polyoxyethylene (10) ethers, 80 DEG C are maintained the temperature at, with 1000rpm
Revolving speed stir 4h, emulsification circulating pump is opened into circulation while stirring, so that particle diameter distribution of the hydrophobic particles in carrier oil reaches
To 900nm；Then 1 part of SS-2 is added, keeps above-mentioned revolving speed, futher stirs and recycle 1h；Temperature drops to 50 DEG C, closes circulation
Pump reduces revolving speed 300rpm, and 5 parts of isooctanol polyoxyethylene (8) ethers are added, and stirs 10min to get the deaeration composition of patent is arrived
DA1。
Embodiment 2
75.5 parts of alkylbenzenes, 9 parts of hydrophobic silicic aerogels (specific surface area 100m will be added in container equipped with emulsification circulating pump2/ g, two
Methyl-silicone oil hydrophobic treatment, hydrophobic value M=60%) and 9 parts of NP-10,140 DEG C are maintained the temperature at, is stirred with the revolving speed of 2800rpm
Emulsification circulating pump is opened circulation while stirring, so that particle diameter distribution of the hydrophobic particles in carrier oil reaches by 0.5h
600nm；Then 4.5 parts of SS-1 are added, keeps above-mentioned revolving speed, futher stirs and recycle 0.6h；Temperature drops to 60 DEG C, and closing follows
Ring pump, reduces revolving speed 500rpm, and 2 parts of octylphenol polyethylene ethylene oxide (10) ethers are added, and stirs 30min to get the deaeration group of patent is arrived
Close object DA2.
Embodiment 3
89.8 parts of naphthenic oils, 1.5 parts of hydrophobic silicic aerogels (specific surface area 380m will be added in container equipped with emulsification circulating pump2/ g,
Silazane hydrophobic treatment, hydrophobic value M=65%) and 2.5 parts of D4425(Akzo Nobels offers) and 3 parts of wetting agent Silwet-
4,100 DEG C are maintained the temperature at, 2.5h is stirred with the revolving speed of 2500rpm, emulsification circulating pump is opened into circulation while stirring, so that dredging
Particle diameter distribution of the water particle in carrier oil reaches 800nm；Then 0.2 part of SS-3 is added, keeps above-mentioned revolving speed, futher stirs
With circulation 2h；Temperature drops to 40 DEG C, closes circulating pump, reduces revolving speed 800rpm, 3 parts of oleic acid polyoxyethylene (10) polyoxies third are added
Alkene (2) ether stirs 20min to get the deaeration composition DA3 of patent is arrived.
Comparative example 1:
95.3 parts of naphthenic oils, 1.5 parts of hydrophobic silicic aerogels (specific surface area 380m will be added in container equipped with emulsification circulating pump2/ g,
Silazane hydrophobic treatment, hydrophobic value M=65%) and D4425(Akzo Nobel offer), 100 DEG C are maintained the temperature at, with
The revolving speed of 2500rpm stirs 2.5h, emulsification circulating pump is opened circulation while stirring, so that grain of the hydrophobic particles in carrier oil
Diameter distribution reaches 800nm；Then 0.2 part of SS-3 is added, keeps above-mentioned revolving speed, futher stirs and recycle 2h；Temperature drops to 40
DEG C, circulating pump is closed, revolving speed 800rpm is reduced, 3 parts of oleic acid polyoxyethylene (10) polyoxypropylene (2) ethers are added, stirs 20min,
Obtain deaeration composition CDA3-1.
Comparative example 2:
90 parts of naphthenic oils, 1.5 parts of hydrophobic silicic aerogels (specific surface area 380m will be added in container equipped with emulsification circulating pump2/ g, silicon
Azane hydrophobic treatment, hydrophobic value M=65%) and 5.5 parts of D4425(Akzo Nobels offers) and wetting agent Silwet-4, it keeps
Temperature stirs 2.5h at 100 DEG C, with the revolving speed of 2500rpm, emulsification circulating pump is opened circulation while stirring, so that hydrophobic particles
Particle diameter distribution in carrier oil reaches 800nm；Then temperature drops to 40 DEG C, closes circulating pump, reduces revolving speed 800rpm, is added
3 parts of oleic acid polyoxyethylene (10) polyoxypropylene (2) ethers stir 20min to get deaeration composition CDA3-2 is arrived.
Comparative example 3:
91.3 parts of naphthenic oils will be added in container equipped with emulsification circulating pump, 2.5 parts of D4425(Akzo Nobels provide) and 3
Part wetting agent Silwet-4, maintains the temperature at 100 DEG C, stirs 2.5h with the revolving speed of 2500rpm, and stirring while will emulsify circulating pump
Circulation is opened, so that particle diameter distribution of the hydrophobic particles in carrier oil reaches 800nm；Then 0.2 part of SS-3 is added, keeps above-mentioned
Revolving speed futher stirs and recycles 2h；Temperature drops to 40 DEG C, closes circulating pump, reduces revolving speed 800rpm, and it is poly- that 3 parts of oleic acid are added
Ethylene oxide (10) polyoxypropylene (2) ether stirs 20min to get deaeration composition CDA3-3 is arrived.
Embodiment 4
20 parts of atoleines and 56 parts of white oils, 2 parts of hydrophobic hard charcoals will be added in container under room temperature equipped with emulsification circulating pump
Black (specific surface area 80m2/ g, dimethicone hydrophobic treatment, hydrophobic value M=60%), 3 parts of hydrophobic silicic aerogels (specific surface areas
380m2/ g, chlorosilane hydrophobic treatment, hydrophobic value M=60%) and 7 parts of wetting agent Silwet-3,3.5h is stirred with the revolving speed of 300rpm,
Emulsification circulating pump is opened into circulation while stirring, so that particle diameter distribution of the hydrophobic particles in carrier oil reaches 900nm；Then
3 parts of SS-2 are added, keep above-mentioned revolving speed, futher stir and recycle 0.6h；It is then shut off circulating pump, keeps revolving speed 200rpm,
9 parts of Nonyl pheno (8) ethers are added, stir 30min to get the deaeration composition DA4 of patent is arrived.
Embodiment 5
5 parts of kerosene and 78.5 parts of alkylbenzenes, 3 parts of hydrophobic silicic aerogels (specific surface areas will be added in container equipped with emulsification circulating pump
380m2/ g, dimethicone hydrophobic treatment, hydrophobic value M=60%) and 6 parts of wetting agent Silwet-1, increase temperature to 100 DEG C,
3.5h is stirred with the revolving speed of 3000rpm, emulsification circulating pump is opened into circulation while stirring, so that hydrophobic particles are in carrier oil
Particle diameter distribution reaches 900nm；Then 1.5 parts of SS-1 are added, keeps above-mentioned revolving speed, futher stirs and recycle 1h；Then cool down
To 50 DEG C, circulating pump is closed, revolving speed 350rpm is kept, 3 parts of octylphenol polyethylene ethylene oxide (8) ethers and 3 parts of C12-14 alcohol polyoxies is added
Ethylene (10) ether stirs 20min to get the deaeration composition DA5 of patent is arrived.
Embodiment 6
30 parts of white oils, 25 parts of alkylbenzenes, 30 parts of naphthenic oils, 1 part of hydrophobic silicic aerogels will be added in container equipped with emulsification circulating pump
(specific surface area 200m2/ g, dimethicone hydrophobic treatment, hydrophobic value M=60%), 4 parts of hydrophobic silicic aerogels (specific surface area 380m2/
G, chlorosilane hydrophobic treatment, hydrophobic value M=60%) and 3 parts of wetting agent Silwet-2, temperature is increased to 120 DEG C, with 2000rpm's
Revolving speed stirs 2.5h, emulsification circulating pump is opened circulation while stirring, so that particle diameter distribution of the hydrophobic particles in carrier oil reaches
To 800nm；Then 2 parts of SS-3 are added, keeps above-mentioned revolving speed, futher stirs and recycle 1.5h；Then 60 DEG C are cooled to, is closed
Circulating pump keeps revolving speed 500rpm, 2 parts of castor oil polyoxyethylene (8) ethers and 3 parts of oleic acid polyoxyethylene (10) ethers is added, and stirs
15min is to get the deaeration composition DA6 for arriving patent.
Deaeration performance test:
(1) using acrylic resin as tested media:
Test method: using acrylic resin as tested media, the test sample for weighing 250ml resin and 0.5g is added to 500ml
Beaker in, the revolving speed of 3000rpm dispersion impeller disperses 10min, it is more dispersed after acrylic resin volume V.V value is bigger
Then illustrate that the density of resin is smaller, the performance of deaeration agent is poorer；Otherwise it is better.
Test result is as follows:
(2) using gelatin solution as tested media:
60 parts of tap water are warming up to 70 ~ 80 DEG C, 40 parts of gelatin are then added, after gelatin is added, stir always to gelatin
After grain has been completely dissolved, 0.2 part of sample to be tested is added, stirs 5min, static mixer, cooling down.Compare after 2h
The transparency of the solid arrived.Solid is transparent, then illustrates that the deaeration effect of the sample of test is better.
Test result is as follows table and attached drawing 1:
Pass through the test specification in acrylic resin and gelatin solution high viscosity systems: deaeration composition of the invention is wherein
The ability of abjection bubble well is suffered from, it is more advantageous than commercially available XNZ；Pass through the description of test of the sample of DA3, CDA3-1 ~ 3 four
Organosilicon synergist, wetting agent have good help for removing bubble.
Claims (10)
1. a kind of deaeration composition, which is characterized in that use carrier oil, hydrophobic particles, wetting agent, organosilicon synergist and emulsifier
It is made:
A, carrier oil, the carrier oil be mainly by the hydrocarbon ring-type formed, straight chain, branched structure mineral oil, dosage is
The 75 ~ 90% of oil-based dispersions gross mass；
B, hydrophobic particles, the hydrophobic particles refer to metal oxide, including silica (being commonly called as " white carbon black "), oxidation
One of aluminium, zinc oxide or magnesia are a variety of；Hydrophobic particles are the 1~10% of deaeration composition gross mass；
C, wetting agent, the wetting agent refer to water-soluble anionic type and nonionic surface active agent；Dosage is de-
The 5 ~ 10% of foaming composition gross mass；
D, organosilicon synergist, the organosilicon synergist are referred to by polysiloxanes or lipophilic polyether-modified poly- silicon oxygen
The product that alkane and white carbon black are formed under the action of basic catalyst finally dilutes with solvent or does not have to solvent dilution；Dosage is
The 0.1 ~ 5% of deaeration composition gross mass；
E, emulsifier, the emulsifier are nonionic surfactant, and dosage is the 1 ~ 10% of deaeration composition gross mass.
2. a kind of deaeration composition according to claim 1, which is characterized in that the carrier oil is liquid at room temperature,
It is used alone or be used in mixed way.
3. a kind of deaeration composition according to claim 1, which is characterized in that the preferably hydrophobic hard charcoal of the hydrophobic particles
Black, specific surface area is 200 ~ 500 m2/g；Different specific surface areas and hydrophobic hydrophobic particles are mixed with arbitrary proportion.
4. a kind of deaeration composition according to claim 1, which is characterized in that the material of the white carbon black surface hydrophobicity
The hydroxy-end capped polydimethylsiloxanes of dimethyl silicone polymer, low viscosity that trimethylsiloxy group including low viscosity blocks
Alkane, hexamethyldisilazane, hexamethyldisiloxane, dimethyl diethoxysilane, methyltrimethoxysilane, three second of methyl
Oxysilane, stearic acid, stearyl alcohol, octamethylcy-clotetrasiloxane, tetramethyl-ring tetrasiloxane, hexamethyl cyclotrisiloxane.
5. a kind of deaeration composition according to claim 1, which is characterized in that the anionic surfactant packet
Include alkyl sulfate, sulfonate, fatty acid or aliphatic ester sulfate, carboxylic acid soaps, phosphate；Nonionic surface active agent
Including alkyl phenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, polyoxyethylene polyoxypropylene block copolymer, polyether-modified poly- silicon
Oxygen alkane.
6. a kind of deaeration composition according to claim 5, which is characterized in that the Siloxane-Oxyalkylene Copolymers wetting
The general structure of agent is as follows:
(I)
In formula (I),mWithnFor the degree of polymerization of silicon chain link,mFor 1 ~ 20 integer,nFor 0 ~ 10 integer；G is polyether group, general formula
For-CH2CH2CH2O(EO) a (PO) b R1, wherein subscriptaWithbFor the degree of polymerization of EO and PO,aIt is 5 ~ 20,bIt is 3 ~ 10；R1For envelope
End group group, selected from hydrogen atom or methyl or acetyl group or butyl.
7. a kind of deaeration composition according to claim 1, which is characterized in that the dosage of organosilicon synergist is preferably de-
The 0.5 ~ 3% of foaming composition gross mass.
8. a kind of deaeration composition according to claim 1, which is characterized in that emulsifier includes straight-chain fatty alcohol polyoxy second
Alkene polyethenoxy ether, isomery fatty alcohol polyoxyethylene ether, alkyl phenol polyoxyethylene ether, oleic acid polyoxyethylene, oleic acid polyoxy second
Alkene polyethenoxy ether, castor oil polyoxyethylene ether, castor oil polyoxyethylene polyethenoxy ether, Siloxane-Oxyalkylene Copolymers.
9. a kind of deaeration composition according to claim 1, which is characterized in that the dosage of the emulsifier is preferably 3 ~
7%。
10. a kind of deaeration combination according to claim 1, which is characterized in that deaeration composition the preparation method is as follows:
Addition carrier oil, hydrophobic particles and wetting agent into the container equipped with emulsification circulating pump, holding temperature to room temperature ~ 150 DEG C,
0.5 ~ 4h is stirred with the revolving speed of 300 ~ 3000rpm, emulsification circulating pump is opened into circulation while stirring, so that hydrophobic particles are carrying
Particle diameter distribution in body oil reaches 1000nm or less；Then organosilicon synergist is added, keeps above-mentioned revolving speed, futher stir and
Recycle 0.5 ~ 2h；Temperature drop to 60 DEG C hereinafter, close circulating pump, reduce by 200 ~ 800rpm of revolving speed, be added emulsifier, stirring 10 ~
30min is to get the deaeration composition for arriving patent.
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| CN110433534A (en) * | 2019-08-28 | 2019-11-12 | 南京瑞思化学技术有限公司 | A kind of preparation method of organosilicon defoaming lotion |
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| CN110964369A (en) * | 2019-12-09 | 2020-04-07 | 天津中石化悦泰科技有限公司 | Hydrophobing agent composition and hydrophobing agent |
| CN114307260A (en) * | 2021-11-06 | 2022-04-12 | 南京瑞思化学技术有限公司 | Preparation method of polyether composition |
| CN114602214A (en) * | 2022-04-01 | 2022-06-10 | 南京瑞思化学技术有限公司 | Preparation method of bio-based defoaming agent |
| CN115054953A (en) * | 2022-08-05 | 2022-09-16 | 山东圣佑高科新材料有限公司 | High-efficiency energy-saving organic silicon defoaming agent |
| CN115282644A (en) * | 2022-08-22 | 2022-11-04 | 山东师范大学实验厂有限公司 | High-efficiency modified silicon ether defoaming agent and preparation method thereof |
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