CN109499106A - A kind of defoaming agent and preparation method - Google Patents
A kind of defoaming agent and preparation method Download PDFInfo
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- CN109499106A CN109499106A CN201811505905.9A CN201811505905A CN109499106A CN 109499106 A CN109499106 A CN 109499106A CN 201811505905 A CN201811505905 A CN 201811505905A CN 109499106 A CN109499106 A CN 109499106A
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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
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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
- B01D19/0413—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing N-atoms
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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
- B01D19/0422—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing S-atoms
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Abstract
The invention discloses a kind of defoaming agent and preparation methods, the defoaming agent, including following raw material: polysiloxanes silicone grease, 2- methyl -3- butyne-2-alcohol, dispersing agent, thickener, water, polylactic acid, cornstarch, poly- naphthalene formaldehyde sulfonates, fatty alcohol polyoxyethylene ether ammonium sulfate, acrylate.The defoaming agent be by modified polyorganosiloxane silicone grease, modified 2- methyl -3- butyne-2-alcohol, by surplus stock component and modified polyorganosiloxane silicone grease, modified 2- methyl -3- butyne-2-alcohol mixing and emulsifying and etc. made from.The reinforcement system that the present invention is constituted by using poly- naphthalene formaldehyde sulfonates, fatty alcohol polyoxyethylene ether ammonium sulfate, acrylate, improves the acid resistance and high temperature resistance of defoaming agent.
Description
Technical field
The invention belongs to defoaming agent preparation technical fields, and in particular to a kind of defoaming agent and preparation method.
Background technique
Defoaming agent, also referred to as defomaing agent are that surface tension is reduced in food processing process, and foam is inhibited to generate or eliminate
Generate the food additives of foam.Defoaming agent is mostly liquid compound product, is broadly divided into three classes: organic silicon, polyethers, mineral
Oils.Organic silicon defoamer is the silicone grease synthesized using polysiloxanes as main component, is equipped with emulsifier, dispersing agent, thickener etc.
It is formed with suitable quantity of water through machinery emulsification.Organic silicon defoamer is at present using wide a kind of defoaming agent.It is sent out in practical application
Existing, organic silicon defoamer has many advantages, such as that defoaming capacity is strong, the foam inhibition time is long.In many application fields, such as paper industry, weaving
Printing and dyeing industry, oil industry etc., it is desirable that defoaming agent has feature resistant to high temperature.The research of recent defoaming agent is concentrated mainly on organic
The compounding of silicon compound and surfactant, the compounding of polyethers and organosilicon, water solubility or oil soluble polyether and silicon-containing polyether
On the Compositional types defoaming agents such as compounding, compounding is one of development trend of defoaming agent.For current defoaming agent, polyethers with it is organic
The performance of silicon class defoaming agent is the most excellent, and wherein organic silicon is equipped with emulsifier, dispersing agent, thickener etc. with suitable quantity of water through machinery
The defoaming agent of the developmental research of emulsification is also relatively more active, however, this kind of existing organic silicon defoamer is easy by high temperature, by force
The condition influence of acid, highly basic has the following deficiencies: easy floating oil, is easily precipitated, it is poorer than general polyether antifoam agent to stablize difference.
The disclosure of background above technology contents is only used for auxiliary and understands inventive concept and technical solution of the invention, not
The prior art for necessarily belonging to present patent application shows above content in the applying date of present patent application in no tangible proof
In the case where having disclosed, above-mentioned background technique should not be taken to the novelty and creativeness of evaluation the application.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of defoaming agent and preparation methods, are easy with solving existing defoaming agent
The technical issues of condition by high temperature, strong acid, highly basic is limited defoaming capacity.
In order to solve the above technical problems, invention uses following technical scheme:
A kind of defoaming agent, including following raw material polysiloxanes silicone grease, 2- methyl -3- butyne-2-alcohol, dispersing agent, thickener,
Water, polylactic acid, cornstarch, poly- naphthalene formaldehyde sulfonates, fatty alcohol polyoxyethylene ether ammonium sulfate, acrylate；
The poly- naphthalene formaldehyde sulfonates, fatty alcohol polyoxyethylene ether ammonium sulfate, the weight ratio of acrylate are (4-
10):(9-15):(4-9)；
The poly- naphthalene formaldehyde sulfonates includes poly- naphthalene formaldehyde sulfonate salt, poly- naphthaldehyde sulfonic acid potassium salt, poly- naphthaldehyde sulfonic acid
One of ammonium salt is a variety of.
It is highly preferred that the weight part ratio of the poly- naphthalene formaldehyde sulfonates, fatty alcohol polyoxyethylene ether ammonium sulfate, acrylate
Example is 10:13:9.
Preferably, the defoaming agent, including following raw material: 8-45 parts of polysiloxanes silicone grease, 2- methyl -3- fourth
5-20 parts of alkynes -2- alcohol, 0.2-5 parts of dispersing agent, 1-6 parts of thickener, 20-30 parts of water, 3-10 parts of polylactic acid, 3-6 parts of cornstarch,
Poly- naphthalene formaldehyde sulfonates 4-10 parts, 9-15 parts of fatty alcohol polyoxyethylene ether ammonium sulfate, 4-9 parts of acrylate.
It is highly preferred that the defoaming agent, including following raw material: 31 parts of polysiloxanes silicone grease, 2- methyl -3- fourth
11 parts of alkynes -2- alcohol, 2.3 parts of dispersing agent, 2 parts of thickener, 24 parts of water, 10 parts of polylactic acid, 6 parts of cornstarch, poly- naphthaldehyde sulfonic acid
10 parts of salt, 13 parts of fatty alcohol polyoxyethylene ether ammonium sulfate, 9 parts of acrylate.
The present invention also provides a kind of preparation methods of defoaming agent, comprising the following steps:
S1, modified polyorganosiloxane silicone grease: siloxanes silicone grease, fatty alcohol polyoxyethylene ether ammonium sulfate, water are mixed equal
It is even, modified material A is made；
S2, modified 2- methyl -3- butyne-2-alcohol: by 2- methyl -3- butyne-2-alcohol and poly- naphthalene formaldehyde sulfonates, acrylic acid
Ester is mixed modification and prepares modified material B；
S3, mixing and emulsifying: mixing and emulsifying: by modified material B made from modified material A made from step S1 and step S1,
Remaining material component mixing, which is launched, can be prepared by defoaming agent into emulsion pot emulsification；
Preferably, the method for modification material described in step S2 are as follows: modified polyorganosiloxane silicone grease described in step S1
Method are as follows: siloxanes silicone grease and fatty alcohol polyoxyethylene ether ammonium sulfate, water are mixed evenly, temperature be 500-900
DEG C, modified material A is made in reaction 30-50min under conditions of airtight space.
Preferably, the modified material A is the end group that fatty alcohol polyoxyethylene ether ammonium sulfate is added to polysiloxanes silicone grease
Form new ether.
It preferably, by 2- methyl -3- butyne-2-alcohol and crylic acid ester mixture in temperature is first 65-90 DEG C of water in step S2
Bath reaction 20-35min, is then added poly- naphthaldehyde sulfonic acid potassium salt, and temperature is rapidly increased to 120-155 DEG C, reacts 25-50min
Modified material B is made.
Preferably, the modified material B is annular.
Preferably, the needs of defoaming agent described in step S3 emulsify 50- in the environment of 50-80 DEG C of temperature, airtight space
60min is made.
The invention has the following advantages:
(1) each group of data of comparative example 1-5 is above by each group of data of embodiment 1-3, while by the number of embodiment 1-3
According to as it can be seen that embodiment 3 is optimum embodiment.
(2) by embodiment 3 and the data of comparative example 1-4 as it can be seen that poly- naphthalene formaldehyde sulfonates, fatty alcohol polyoxyethylene ether sulfuric acid
Ammonium, acrylate add play synergistic effect in preparing defoaming agent simultaneously, and collaboration improves defoaming agent in acidic environment
Acid resistance, this is:
Fatty alcohol polyoxyethylene ether ammonium sulfate has good dispersion effectiveness, while having good water-soluble and compatibility
Can, being added to polysiloxanes silicone grease and forming new ether not only will not generate destruction to polysiloxanes silicone grease, but also can effectively increase
The water solubility of addition polymerization siloxanes silicone grease, while improving the dispersion campaign of polysiloxanes silicone grease molecule in water；Poly- naphthaldehyde sulfonic acid
Salt is soluble easily in water, the characteristic with acidproof, alkaline-resisting, resistance to hard water, while having good diffusivity and more resistant to high temperature；Acrylic acid
Ester energy autohemagglutination or with other monomers be copolymerized, possess preferable oil resistant, heat resistance, intersolubility, when 2- methyl -3- butyne-2-alcohol with
Poly- naphthalene formaldehyde sulfonates, acrylate three are copolymerized cyclization at high temperature, and ring structure is vertical by 2- methyl -3- butyne-2-alcohol
The hydrophobic group of arrangement becomes the arrangement of Z-shaped shape, hydrone is enabled to be easier to touch hydrophilic group and protected, while acrylate is total to
Poly- effectiveness can by poly- naphthalene formaldehyde sulfonates do not change 2- methyl -3- butyne-2-alcohol active agent structures and formed it is acidproof, alkaline-resisting,
It interacts after the ring-shaped substance of resistance to hard water, poly- naphthalene formaldehyde sulfonates and acrylate, 2- methyl -3- butyne-2-alcohol cyclization
The acid resistance that defoaming agent can be increased, polysiloxanes silicone grease is not soluble in water and big after avoiding 2- methyl -3- butyne-2-alcohol from reacting with acid
It is big to reduce defoaming, foam inhibition effectiveness.
The two poles of the earth distribution of acrylate particle size is beneficial, small particle to toughening mainly to its shear-deformable work
With big particle can prevent the growth of crackle, the irregular molecule in part for the clustering phenomena that dispersed phase generates in blow molding process
The generation of chain, two interfacial separation of Impact direction form hole, poly- naphthalene formaldehyde sulfonates and acrylate particle interaction, filling
It avoids hole from being formed, the phenomenon that solution forms this concentration of local stress in hole, promotes the tensile strength of degradable films, increase
The toughness properties of degradable films.
(3) by the data of comparative example 6-8 as it can be seen that the poly- naphthalene formaldehyde sulfonates, fatty alcohol polyoxyethylene ether ammonium sulfate, third
The weight ratio of olefin(e) acid ester is not (4-10): (9-15): when in (4-9) range, tested defoaming agent is in acidic environment
Antifoam performance and the data of suds suppressing properties and the data of embodiment 1-3 differ greatly, much smaller than the number of embodiment 1-3 data
Value.Poly- naphthalene formaldehyde sulfonates of the invention, fatty alcohol polyoxyethylene ether ammonium sulfate, acrylate pass through control as reinforcement system
Making poly- naphthalene formaldehyde sulfonates, fatty alcohol polyoxyethylene ether ammonium sulfate, acrylate weight ratio is (4-10): (9-15): (4-9),
It realizes the main component raw material in reinforcement system using fatty alcohol polyoxyethylene ether ammonium sulfate as system, while utilizing poly- naphthalene first
Acidproof, alkaline-resisting, the resistance to hard water of aldehyde sulfonate, high temperature resistance improve 2- methyl -3- butyne-2-alcohol structure in acidic environment
Integrality, improve emulsification after defoaming agent acid resistance；There is copolymerization using acrylate, possess preferable oil resistant, heat-resisting
Property, intersolubility enable in emulsion process polysiloxanes silicone grease perfectly to emulsify combination with 2- methyl -3- butyne-2-alcohol, can be with
The phenomenon that defoaming agent solves to be formed this concentration of local stress in hole is effectively promoted, reaches defoaming purpose, promotes the resistance to of defoaming agent
Acidity increases defoaming of the defoaming agent in acidic environment, suds suppressing properties, and improves the compounding between each component, overcomes existing
There is defoaming agent to be easy to be limited the defect problem of defoaming capacity by the condition of high temperature, strong acid, highly basic.
Specific embodiment
To facilitate a better understanding of the present invention, it is illustrated by the following examples, these examples belong to protection of the invention
Range, but do not limit the scope of the invention.
In an embodiment of the present invention, the preparation method of the defoaming agent, comprising the following steps:
S1. weigh raw material by following parts by weight: 8-45 parts of polysiloxanes silicone grease, 5-20 parts of 2- methyl -3- butyne-2-alcohol,
0.2-5 parts of dispersing agent, 1-6 parts of thickener, 20-30 parts of water, 3-10 parts of polylactic acid, 3-6 parts of cornstarch, poly- naphthalene formaldehyde sulfonates
4-10 parts, 9-15 parts of fatty alcohol polyoxyethylene ether ammonium sulfate, 4-9 parts of acrylate；
The poly- naphthalene formaldehyde sulfonates includes poly- naphthalene formaldehyde sulfonate salt, poly- naphthaldehyde sulfonic acid potassium salt, poly- naphthaldehyde sulfonic acid
One of ammonium salt is a variety of；
S2. modified polyorganosiloxane silicone grease: siloxanes silicone grease, fatty alcohol polyoxyethylene ether ammonium sulfate, water are mixed equal
Even, modified material A, the modified material A is made in reaction 30-50min under conditions of temperature is 500-900 DEG C, airtight space
New ether is formed for the end group that fatty alcohol polyoxyethylene ether ammonium sulfate is added to polysiloxanes silicone grease；
S3. it is modified 2- methyl -3- butyne-2-alcohol: will be 65-90 DEG C of water-bath 20-35min in temperature, and then be added
Temperature is rapidly increased to 120-155 DEG C by poly- naphthaldehyde sulfonic acid potassium salt, and reaction 25-50min modification prepares modified material B, described to change
Property substance B be annular；
S4. mixing and emulsifying: by modified material B, remaining raw material made from modified material A made from step S1 and step S1
Component mixing, which is launched emulsion pot and emulsified in the environment of 50-80 DEG C of temperature, airtight space, can be prepared by defoaming agent.
Below by more specifically examples illustrate the present invention.
Embodiment 1
A kind of defoaming agent and preparation method, comprising the following steps:
S1. raw material is weighed by following parts by weight: 45 parts of polysiloxanes silicone grease, 19 parts of 2- methyl -3- butyne-2-alcohol, dispersion
4.5 parts of agent, 5 parts of thickener, 28 parts of water, 6 parts of polylactic acid, 5 parts of cornstarch, 7 parts of poly- naphthalene formaldehyde sulfonates, fatty alcohol polyoxy second
14 parts of alkene ether ammonium sulfate, 8 parts of acrylate；
The poly- naphthalene formaldehyde sulfonates is poly- naphthalene formaldehyde sulfonate；
S2. modified polyorganosiloxane silicone grease: siloxanes silicone grease, fatty alcohol polyoxyethylene ether ammonium sulfate, water are mixed equal
Even, modified material A is made in reaction 46min under conditions of temperature is 870 DEG C, airtight space, and the modified material A is fatty alcohol
The end group that polyoxyethylene ether ammonium sulfate is added to polysiloxanes silicone grease forms new ether；
S3. it is modified 2- methyl -3- butyne-2-alcohol: will be 82 DEG C of water-bath 30min in temperature, poly- naphthalene first is then added
Temperature is rapidly increased to 143 DEG C by aldehyde sulfonic acid potassium salt, and reaction 42min modification prepares modified material B；
S4. modified material A made from step S1 is mixed with modified material B made from step S1, remaining material component
It launches emulsion pot and is emulsified in the environment of 52 DEG C of temperature, airtight space and can be prepared by defoaming agent, the modified material B is ring
Shape.
Embodiment 2
A kind of defoaming agent and preparation method, comprising the following steps:
S1. raw material is weighed by following parts by weight: 11 parts of polysiloxanes silicone grease, 7 parts of 2- methyl -3- butyne-2-alcohol, dispersing agent
1 part, 2 parts of thickener, 22 parts of water, 4 parts of polylactic acid, 3 parts of cornstarch, 5 parts of poly- naphthalene formaldehyde sulfonates, fatty alcohol polyoxyethylene ether
10 parts of ammonium sulfate, 8 parts of acrylate；
The poly- naphthalene formaldehyde sulfonates is poly- naphthaldehyde ichthyodin；
S2. modified polyorganosiloxane silicone grease: siloxanes silicone grease, fatty alcohol polyoxyethylene ether ammonium sulfate, water are mixed equal
Even, modified material A is made in reaction 38min under conditions of temperature is 600 DEG C, airtight space, and the modified material A is fatty alcohol
The end group that polyoxyethylene ether ammonium sulfate is added to polysiloxanes silicone grease forms new ether；
S3. it is modified 2- methyl -3- butyne-2-alcohol: will be 71 DEG C of water-bath 26min in temperature, poly- naphthalene first is then added
Temperature is rapidly increased to 141 DEG C by aldehyde sulfonic acid potassium salt, and reaction 35min is modified to prepare modified material B, and the modified material B is ring
Shape；
S4. modified material A made from step S1 is mixed with modified material B made from step S1, remaining material component
It launches emulsion pot and is emulsified in the environment of 62 DEG C of temperature, airtight space and can be prepared by defoaming agent.
Embodiment 3
A kind of defoaming agent and preparation method, comprising the following steps:
S1. raw material is weighed by following parts by weight: 31 parts of polysiloxanes silicone grease, 11 parts of 2- methyl -3- butyne-2-alcohol, dispersion
2.3 parts of agent, 2 parts of thickener, 24 parts of water, 10 parts of polylactic acid, 6 parts of cornstarch, 10 parts of poly- naphthalene formaldehyde sulfonates, fatty alcohol polyoxy
13 parts of ethylene ether ammonium sulfate, 9 parts of acrylate；
The poly- naphthalene formaldehyde sulfonates is poly- naphthaldehyde potassium sulfonate；
S2. modified polyorganosiloxane silicone grease: siloxanes silicone grease, fatty alcohol polyoxyethylene ether ammonium sulfate, water are mixed equal
Even, modified material A is made in reaction 39min under conditions of temperature is 750 DEG C, airtight space, and the modified material A is fatty alcohol
The end group that polyoxyethylene ether ammonium sulfate is added to polysiloxanes silicone grease forms new ether；
S3. it is modified 2- methyl -3- butyne-2-alcohol: will be 81 DEG C of water-bath 29min in temperature, poly- naphthalene first is then added
Temperature is rapidly increased to 137 DEG C by aldehyde sulfonic acid potassium salt, and reaction 42min is modified to prepare modified material B, and the modified material B is ring
Shape；
S4. modified material A made from step S1 is mixed with modified material B made from step S1, remaining material component
It launches emulsion pot and is emulsified in the environment of 69 DEG C of temperature, airtight space and can be prepared by defoaming agent.
Comparative example 1
It is essentially identical with the preparation process of embodiment 3, have only unlike prepare in the raw material of defoaming agent and lack poly- naphthalene first
Aldehyde sulfonate, fatty alcohol polyoxyethylene ether ammonium sulfate, acrylate.
Comparative example 2
It is essentially identical with the preparation process of embodiment 3, have only unlike prepare in the raw material of defoaming agent and lack poly- naphthalene first
Aldehyde sulfonate.
Comparative example 3
It is essentially identical with the preparation process of embodiment 3, it has only the difference is that preparing and lacks poly alkyl alcohol in the raw material of defoaming agent
Ethylene oxide ether ammonium sulfate.
Comparative example 4
It is essentially identical with the preparation process of embodiment 3, have only unlike prepare in the raw material of defoaming agent and lack acrylic acid
Ester.
Comparative example 5
It is real using Chinese patent literature " a kind of high temperature resistant defoaming agent and preparation method thereof (publication number: CN107638718B) "
The technique for applying a 1-3 prepares defoaming agent.
Comparative example 6
It is essentially identical with the preparation process of embodiment 3, have only unlike defoaming agent raw material in poly- naphthalene formaldehyde sulfonates 8
Part, 5 parts of fatty alcohol polyoxyethylene ether ammonium sulfate, 1 part of acrylate.
Comparative example 7
It is essentially identical with the preparation process of embodiment 3, have only unlike defoaming agent raw material in poly- naphthalene formaldehyde sulfonates
17 parts, 16 parts of fatty alcohol polyoxyethylene ether ammonium sulfate, 16 parts of acrylate.
Comparative example 8
It is essentially identical with the preparation process of embodiment 3, have only unlike defoaming agent raw material in poly- naphthalene formaldehyde sulfonates
20 parts, 21 parts of fatty alcohol polyoxyethylene ether ammonium sulfate, 11 parts of acrylate.
The defoaming agent of embodiment 1-3 and 1-5 are measured in the antifoam performance and suds suppressing properties of acidic environment, of the invention is disappeared
Infusion is added in the liquid of the excellent yogurt of Erie, and the foam density and fluid bubble of the excellent yogurt liquid of Erie after defoaming agent is added in test
There is the duration changed in foam density, takes the average value of 10 groups of experimental datas, as a result see the table below:
(1) each group of data of comparative example 1-5 is above by each group of data of embodiment 1-3, while by the number of embodiment 1-3
According to as it can be seen that embodiment 3 is optimum embodiment.
(2) by embodiment 3 and the data of comparative example 1-4 as it can be seen that poly- naphthalene formaldehyde sulfonates, fatty alcohol polyoxyethylene ether sulfuric acid
Ammonium, acrylate add play synergistic effect in preparing defoaming agent simultaneously, and collaboration improves defoaming agent in acidic environment
Acid resistance, this is:
Fatty alcohol polyoxyethylene ether ammonium sulfate has good dispersion effectiveness, while having good water-soluble and compatibility
Can, being added to polysiloxanes silicone grease and forming new ether not only will not generate destruction to polysiloxanes silicone grease, but also can effectively increase
The water solubility of addition polymerization siloxanes silicone grease, while improving the dispersion campaign of polysiloxanes silicone grease molecule in water；Poly- naphthaldehyde sulfonic acid
Salt is soluble easily in water, the characteristic with acidproof, alkaline-resisting, resistance to hard water, while having good diffusivity and more resistant to high temperature；Acrylic acid
Ester energy autohemagglutination or with other monomers be copolymerized, possess preferable oil resistant, heat resistance, intersolubility, when 2- methyl -3- butyne-2-alcohol with
Poly- naphthalene formaldehyde sulfonates, acrylate three are copolymerized cyclization at high temperature, and ring structure is vertical by 2- methyl -3- butyne-2-alcohol
The hydrophobic group of arrangement becomes the arrangement of Z-shaped shape, hydrone is enabled to be easier to touch hydrophilic group and protected, while acrylate is total to
Poly- effectiveness can by poly- naphthalene formaldehyde sulfonates do not change 2- methyl -3- butyne-2-alcohol active agent structures and formed it is acidproof, alkaline-resisting,
It interacts after the ring-shaped substance of resistance to hard water, poly- naphthalene formaldehyde sulfonates and acrylate, 2- methyl -3- butyne-2-alcohol cyclization
The acid resistance that defoaming agent can be increased, polysiloxanes silicone grease is not soluble in water and big after avoiding 2- methyl -3- butyne-2-alcohol from reacting with acid
It is big to reduce defoaming, foam inhibition effectiveness.
The two poles of the earth distribution of acrylate particle size is beneficial, small particle to toughening mainly to its shear-deformable work
With big particle can prevent the growth of crackle, the irregular molecule in part for the clustering phenomena that dispersed phase generates in blow molding process
The generation of chain, two interfacial separation of Impact direction form hole, poly- naphthalene formaldehyde sulfonates and acrylate particle interaction, filling
It avoids hole from being formed, the phenomenon that solution forms this concentration of local stress in hole, promotes the tensile strength of degradable films, increase
The toughness properties of degradable films.
(3) by the data of comparative example 6-8 as it can be seen that the poly- naphthalene formaldehyde sulfonates, fatty alcohol polyoxyethylene ether ammonium sulfate, third
The weight ratio of olefin(e) acid ester is not (4-10): (9-15): when in (4-9) range, tested defoaming agent is in acidic environment
Antifoam performance and the data of suds suppressing properties and the data of embodiment 1-3 differ greatly, much smaller than the number of embodiment 1-3 data
Value.Poly- naphthalene formaldehyde sulfonates of the invention, fatty alcohol polyoxyethylene ether ammonium sulfate, acrylate pass through control as reinforcement system
Making poly- naphthalene formaldehyde sulfonates, fatty alcohol polyoxyethylene ether ammonium sulfate, acrylate weight ratio is (4-10): (9-15): (4-9),
It realizes the main component raw material in reinforcement system using fatty alcohol polyoxyethylene ether ammonium sulfate as system, while utilizing poly- naphthalene first
Acidproof, alkaline-resisting, the resistance to hard water of aldehyde sulfonate, high temperature resistance improve 2- methyl -3- butyne-2-alcohol structure in acidic environment
Integrality, improve emulsification after defoaming agent acid resistance；There is copolymerization using acrylate, possess preferable oil resistant, heat-resisting
Property, intersolubility enable in emulsion process polysiloxanes silicone grease perfectly to emulsify combination with 2- methyl -3- butyne-2-alcohol, can be with
The phenomenon that defoaming agent solves to be formed this concentration of local stress in hole is effectively promoted, reaches defoaming purpose, promotes the resistance to of defoaming agent
Acidity increases defoaming of the defoaming agent in acidic environment, suds suppressing properties, and improves the compounding between each component, overcomes existing
There is defoaming Antifoam Agent to be easy to be limited the defect problem of defoaming capacity by the condition of high temperature, strong acid, highly basic.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of defoaming agent, which is characterized in that including following raw material: polysiloxanes silicone grease, 2- methyl -3- butyne-2-alcohol, dispersion
Agent, thickener, water, polylactic acid, cornstarch, poly- naphthalene formaldehyde sulfonates, fatty alcohol polyoxyethylene ether ammonium sulfate, acrylate；
The poly- naphthalene formaldehyde sulfonates, fatty alcohol polyoxyethylene ether ammonium sulfate, the weight ratio of acrylate are (4-10):
(9-15):(4-9)；
The poly- naphthalene formaldehyde sulfonates includes poly- naphthalene formaldehyde sulfonate salt, poly- naphthaldehyde sulfonic acid potassium salt, poly- naphthaldehyde sulfonic acid ammonium salt
One of or it is a variety of.
2. defoaming agent according to claim 1, which is characterized in that the poly- naphthalene formaldehyde sulfonates, aliphatic alcohol polyethenoxy
Ether ammonium sulfate, acrylate weight ratio be 10:13:9.
3. defoaming agent according to claim 1, which is characterized in that including following raw material: polysiloxanes silicone grease 8-
45 parts, 5-20 parts of 2- methyl -3- butyne-2-alcohol, 0.2-5 parts of dispersing agent, 1-6 parts of thickener, 20-30 parts of water, polylactic acid 3-10
Part, 3-6 parts of cornstarch, naphthalene formaldehyde sulfonates 4-10 parts poly-, 9-15 parts of fatty alcohol polyoxyethylene ether ammonium sulfate, acrylate 4-
9 parts.
4. defoaming agent according to claim 3, which is characterized in that including following raw material: polysiloxanes silicone grease 31
Part, 11 parts of 2- methyl -3- butyne-2-alcohol, 2.3 parts of dispersing agent, 2 parts of thickener, 24 parts of water, 10 parts of polylactic acid, cornstarch 6
Part, 10 parts of poly- naphthalene formaldehyde sulfonates, 13 parts of fatty alcohol polyoxyethylene ether ammonium sulfate, 9 parts of acrylate.
5. a kind of preparation method of defoaming agent according to claim 1-4, which is characterized in that including following step
It is rapid:
S1, modified polyorganosiloxane silicone grease: polysiloxanes silicone grease, fatty alcohol polyoxyethylene ether ammonium sulfate, water are mixed evenly,
Modified material A is made；
S2, modified 2- methyl -3- butyne-2-alcohol: by 2- methyl -3- butyne-2-alcohol and poly- naphthalene formaldehyde sulfonates, acrylic ester mixed
It closes whip modified and prepares modified material B；
S3, mixing and emulsifying: by modified material B made from modified material A made from step S1 and step S1, remaining material component
Mixing, which is launched, can be prepared by defoaming agent into emulsion pot emulsification.
6. the preparation method of defoaming agent according to claim 5, which is characterized in that the poly- silicon oxygen of modification described in step S1
The method of alkane silicone grease are as follows: siloxanes silicone grease and fatty alcohol polyoxyethylene ether ammonium sulfate, water are mixed evenly, are in temperature
500-900 DEG C, modified material A is made in reaction 30-50min under conditions of airtight space.
7. the preparation method of defoaming agent according to claim 6, which is characterized in that the modified material A is poly alkyl alcohol
The end group that ethylene oxide ether ammonium sulfate is added to polysiloxanes silicone grease forms new ether.
8. the preparation method of defoaming agent according to claim 5, which is characterized in that first by 2- methyl -3- fourth in step S2
Alkynes -2- alcohol and crylic acid ester mixture are 65-90 DEG C of water-bath 20-35min in temperature, and poly- naphthaldehyde potassium sulfonate is then added
Temperature is rapidly increased to 120-155 DEG C by salt, and modified material B is made in reaction 25-50min.
9. the preparation method of defoaming agent according to claim 8, which is characterized in that the modified material B is annular.
10. the preparation method of defoaming agent according to claim 5, which is characterized in that defoaming agent described in step S3 needs
50-60min is emulsified in the environment of 50-80 DEG C of temperature, airtight space to be made.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1105451B1 (en) * | 1998-08-17 | 2002-07-17 | Cognis Deutschland GmbH & Co. KG | Production of defoaming granulates according to a fluidized bed method |
| CN104069654A (en) * | 2014-07-01 | 2014-10-01 | 西安道尔达化工有限公司 | Preparation method of high-viscosity organic silicon defoamer |
| CN105400175A (en) * | 2015-11-25 | 2016-03-16 | 全椒祥瑞塑胶有限公司 | Defoamer for polyurethane |
| CN106267910A (en) * | 2016-08-10 | 2017-01-04 | 中国海洋石油总公司 | A kind of defoamer and its production and use |
| CN107638718A (en) * | 2017-09-07 | 2018-01-30 | 佛山市南海大田化学有限公司 | A kind of high temperature resistant defoamer and preparation method thereof |
| EP2430095B1 (en) * | 2009-05-15 | 2018-03-07 | Kemira Chemicals Inc. | Defoamer formulation |
-
2018
- 2018-12-10 CN CN201811505905.9A patent/CN109499106A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1105451B1 (en) * | 1998-08-17 | 2002-07-17 | Cognis Deutschland GmbH & Co. KG | Production of defoaming granulates according to a fluidized bed method |
| EP2430095B1 (en) * | 2009-05-15 | 2018-03-07 | Kemira Chemicals Inc. | Defoamer formulation |
| CN104069654A (en) * | 2014-07-01 | 2014-10-01 | 西安道尔达化工有限公司 | Preparation method of high-viscosity organic silicon defoamer |
| CN105400175A (en) * | 2015-11-25 | 2016-03-16 | 全椒祥瑞塑胶有限公司 | Defoamer for polyurethane |
| CN106267910A (en) * | 2016-08-10 | 2017-01-04 | 中国海洋石油总公司 | A kind of defoamer and its production and use |
| CN107638718A (en) * | 2017-09-07 | 2018-01-30 | 佛山市南海大田化学有限公司 | A kind of high temperature resistant defoamer and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张付利: "《有机化学》", 28 February 2018, 河南大学出版社 * |
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