CN112870772A - Acid-resistant defoaming agent and preparation method thereof - Google Patents
Acid-resistant defoaming agent and preparation method thereof Download PDFInfo
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- CN112870772A CN112870772A CN202110046562.XA CN202110046562A CN112870772A CN 112870772 A CN112870772 A CN 112870772A CN 202110046562 A CN202110046562 A CN 202110046562A CN 112870772 A CN112870772 A CN 112870772A
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- 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
- B01D19/0431—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance containing aromatic rings
- B01D19/0436—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance containing aromatic rings with substituted groups
- B01D19/0445—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance containing aromatic rings with substituted groups which contain N-atoms
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Abstract
The invention discloses an acid-resistant defoaming agent and a preparation method thereof, wherein the acid-resistant defoaming agent comprises fatty acid ester, fatty acid amide, aliphatic hydrocarbon, phenethyl alcohol oleate, lauryl phenylacetate and an additive, wherein the additive comprises a defoaming synergist, an oxygen-containing solvent and a thickening agent, the proportion of the fatty acid ester is set to be 13-19 parts, and the proportion of the fatty acid amide is set to be 15-21 parts. According to the invention, the phenethyl alcohol oleate and the lauryl phenylacetate are added into the acid-resistant defoaming agent, and the proportion of the phenethyl alcohol oleate and the lauryl phenylacetate is increased, so that the produced acid-resistant defoaming agent can better improve defoaming efficiency in use, can complete foam elimination in a shorter time, does not influence the basic property of a foaming system, is simultaneously combined with three additives, can improve defoaming quality to a certain extent, has good diffusivity and permeability in application, better meets the use requirements of users, and has stronger practicability.
Description
Technical Field
The invention relates to the technical field of defoaming agents, in particular to an acid-resistant defoaming agent and a preparation method thereof.
Background
The antifoaming agent is a substance that can reduce the surface tension of water, solution, suspension, etc., to prevent the formation of foam, or to reduce or eliminate original foam, and the acid-resistant antifoaming agent is a type of antifoaming agent, and is widely used in the food industry, paper industry, water treatment, oil extraction industry, printing and dyeing industry, paint industry, detergent industry, rubber latex industry, aerosol industry, daily chemical industry, medical industry, dairy industry, etc.
Most of the acid-resistant defoaming agents on the current market have low defoaming efficiency when in use, the defoaming requirement can be completed only by spending a long time, most defoaming agents do not have strong diffusivity and permeability when in application, and the most defoaming agents cannot permeate into objects needing defoaming to remove foams, so that certain limitation exists during use.
Disclosure of Invention
The invention provides an acid-resistant defoaming agent and a preparation method thereof, aiming at the defects in the background technology.
The invention adopts the following technical scheme that the acid-resistant defoaming agent comprises fatty acid ester, fatty acid amide, fatty hydrocarbon, phenethyl alcohol oleate, lauryl phenylacetate and additive, wherein the additive comprises defoaming synergist, oxygen-containing solvent and thickening agent, the proportion of the fatty acid ester is 13-19 parts, the proportion of the fatty acid amide is 15-21 parts, the proportion of the fatty hydrocarbon is 11-19 parts, the proportion of the phenethyl alcohol oleate is 18-26 parts, the proportion of the lauryl phenylacetate is 16-23 parts, the proportion of the defoaming synergist is 6-9 parts, the proportion of the oxygen-containing solvent is 8-15 parts, and the proportion of the thickening agent is 5-8 parts.
In a further preferred embodiment of the present invention, the defoaming agent comprises a fatty acid ester, a fatty acid amide, a fatty hydrocarbon, a phenethyl alcohol oleate, a lauryl phenylacetate and an additive, wherein the additive comprises a defoaming synergist, an oxygen-containing solvent and a thickening agent, the fatty acid ester accounts for 13 parts, the fatty acid amide accounts for 15 parts, the fatty hydrocarbon accounts for 11 parts, the phenethyl alcohol oleate accounts for 18 parts, the lauryl phenylacetate accounts for 16 parts, the defoaming synergist accounts for 6 parts, the oxygen-containing solvent accounts for 8 parts, and the thickening agent accounts for 5 parts.
In a further preferred embodiment of the present invention, the defoaming agent comprises a fatty acid ester, a fatty acid amide, an aliphatic hydrocarbon, a phenethyl alcohol oleate, a lauryl phenylacetate and an additive, wherein the additive comprises a defoaming synergist, an oxygen-containing solvent and a thickening agent, the ratio of the fatty acid ester is 19 parts, the ratio of the fatty acid amide is 21 parts, the ratio of the aliphatic hydrocarbon is 19 parts, the ratio of the phenethyl alcohol oleate is 26 parts, the ratio of the lauryl phenylacetate is 23 parts, the ratio of the defoaming synergist is 9 parts, the ratio of the oxygen-containing solvent is 15 parts, and the ratio of the thickening agent is 8 parts.
In a further preferred embodiment of the present invention, the defoaming agent comprises a fatty acid ester, a fatty acid amide, a fatty hydrocarbon, a phenethyl alcohol oleate, a lauryl phenylacetate and an additive, wherein the additive comprises a defoaming synergist, an oxygen-containing solvent and a thickening agent, the fatty acid ester accounts for 16 parts, the fatty acid amide accounts for 18 parts, the fatty hydrocarbon accounts for 15 parts, the phenethyl alcohol oleate accounts for 23 parts, the lauryl phenylacetate accounts for 19 parts, the defoaming synergist accounts for 8 parts, the oxygen-containing solvent accounts for 11 parts, and the thickening agent accounts for 6 parts.
The manufacturing method comprises the following steps:
s1, taking materials: firstly, taking out all raw materials to be used, weighing the raw materials according to a certain weight, and then respectively placing the weighed raw materials in a clean container for storage, so that the raw materials can be conveniently taken by workers in subsequent processing;
s2, stirring: sequentially adding a plurality of groups of raw materials into a stirrer, simultaneously adding the raw materials according to the sequence of fatty acid ester, aliphatic hydrocarbon, fatty amide, lauryl phenylacetate and phenethyl alcohol oleate, starting the stirrer to perform primary stirring, and sequentially adding a defoaming synergist, an oxygen-containing solvent and a thickening agent to obtain a stock solution preliminarily;
s3, heating and cooling: placing the processed stock solution in a heating furnace for heating, carrying out mixing reaction on components in the stock solution by utilizing high temperature, taking out the stock solution for natural cooling, then carrying out heating reaction again, taking out the raw material for natural cooling;
s4, filtering: and pouring the stock solution into a filtering device for filtering treatment, and removing impurities and large granular substances falling off in the production and processing of the stock solution.
As a further preferable mode of the present invention, in step S1, all raw materials to be used are taken out, and then the raw materials are weighed according to a certain weight, and then the weighed raw materials are respectively placed in clean containers for storage, so as to facilitate the subsequent processing and the taking by workers, and at the same time, labels are attached to the exterior of each container, and names of corresponding raw materials are written, so as to avoid the situation of raw material confusion.
As a further preferable mode of the present invention, in step S2, a plurality of groups of raw materials are sequentially added into a mixer, and at the same time, the raw materials are added in the order of fatty acid ester, aliphatic hydrocarbon, aliphatic amide, lauryl phenylacetate and phenethyl alcohol oleate, then the mixer is started to perform preliminary mixing, and the mixing time is set to 10min to 16min, and then the defoaming synergist, the oxygen-containing solvent and the thickening agent are sequentially added, and the mixing time is set to 5min to 8min, so as to obtain a raw solution preliminarily.
As a further preferable mode of the present invention, in step S3, the processed stock solution is placed inside a heating furnace to be heated, the components inside the stock solution are subjected to a mixing reaction by utilizing a high temperature, the temperature inside the heating furnace is maintained at 73 ° to 81 °, then the heating is performed for 5min to 8min, the stock solution is taken out to be naturally cooled, then the heating reaction is performed again, the temperature inside the heating furnace is maintained at 79 ° to 85 °, then the heating is performed for 6min to 9min, and the raw material is taken out to be naturally cooled.
In a further preferred embodiment of the present invention, in step S4, the raw solution is poured into a filtering apparatus to be filtered, so that impurities and large particulate matters falling from the raw solution during the production process are removed, and the number of times of filtering is set to 3.
According to the invention, the phenethyl alcohol oleate and the lauryl phenylacetate are added into the acid-resistant defoaming agent, and the proportion of the phenethyl alcohol oleate and the lauryl phenylacetate is increased, so that the produced acid-resistant defoaming agent can better improve defoaming efficiency during use, can complete defoaming in a shorter time, and does not influence the basic property of a foaming system.
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FIG. 1 is a flow chart of the preparation of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: an acid-resistant defoaming agent and a preparation method thereof,
the manufacturing method comprises the following steps:
s1, taking materials: firstly, taking out all raw materials to be used, weighing the raw materials according to a certain weight, and then respectively placing the weighed raw materials in a clean container for storage, so that the raw materials can be conveniently taken by workers in subsequent processing;
s2, stirring: sequentially adding a plurality of groups of raw materials into a stirrer, simultaneously adding the raw materials according to the sequence of fatty acid ester, aliphatic hydrocarbon, fatty amide, lauryl phenylacetate and phenethyl alcohol oleate, starting the stirrer to perform primary stirring, and sequentially adding a defoaming synergist, an oxygen-containing solvent and a thickening agent to obtain a stock solution preliminarily;
s3, heating and cooling: placing the processed stock solution in a heating furnace for heating, carrying out mixing reaction on components in the stock solution by utilizing high temperature, taking out the stock solution for natural cooling, then carrying out heating reaction again, taking out the raw material for natural cooling;
s4, filtering: and pouring the stock solution into a filtering device for filtering treatment, and removing impurities and large granular substances falling off in the production and processing of the stock solution.
In step S1, all raw materials required to be used are taken out firstly, then the raw materials are weighed according to a certain weight, then the weighed raw materials are placed in clean containers respectively for storage, subsequent processing is facilitated, the raw materials are taken by workers, meanwhile, labels are required to be pasted on the outer portions of the containers, names of the corresponding raw materials are written, and the situation of raw material confusion is avoided.
In step S2, a plurality of groups of raw materials are sequentially added into a stirrer, and simultaneously added in the order of fatty acid ester, aliphatic hydrocarbon, fatty amide, lauryl phenylacetate and phenethyl alcohol oleate, then the stirrer is started to perform preliminary stirring, the stirring time is set to 10min to 16min, then the defoaming synergist, the oxygen-containing solvent and the thickening agent are sequentially added, and the stirring time is set to 5min to 8min, so as to obtain a stock solution preliminarily.
In step S3, the processed stock solution is placed in a heating furnace for heating, the components in the stock solution are subjected to mixing reaction by utilizing high temperature, the temperature in the heating furnace is kept at 73-81 degrees, then the heating is carried out for 5-8 min, the stock solution is taken out for natural cooling, then the heating reaction is carried out again, the temperature in the heating furnace is kept at 79-85 degrees, then the heating is carried out for 6-9 min, and the raw material is taken out for natural cooling.
In step S4, the raw solution is poured into a filtering device for filtering, so as to remove impurities and large particulate matters falling from the raw solution during production and processing, and the number of filtering times is set to 3.
Example one
The invention provides a technical scheme that: the acid-resistant defoaming agent comprises fatty acid ester, fatty acid amide, fatty hydrocarbon, phenethyl alcohol oleate, lauryl phenylacetate and additive, wherein the additive comprises defoaming synergist, oxygen-containing solvent and thickening agent, the proportion of the fatty acid ester is 13 parts, the proportion of the fatty acid amide is 15 parts, the proportion of the fatty hydrocarbon is 11 parts, the proportion of the phenethyl alcohol oleate is 18 parts, the proportion of the lauryl phenylacetate is 16 parts, the proportion of the defoaming synergist is 6 parts, the proportion of the oxygen-containing solvent is 8 parts, and the proportion of the thickening agent is 5 parts.
The manufacturing method comprises the following steps:
s1, taking materials: firstly, taking out all raw materials to be used, weighing the raw materials according to a certain weight, and then respectively placing the weighed raw materials in a clean container for storage, so that the raw materials can be conveniently taken by workers in subsequent processing;
s2, stirring: sequentially adding a plurality of groups of raw materials into a stirrer, simultaneously adding the raw materials according to the sequence of fatty acid ester, aliphatic hydrocarbon, fatty amide, lauryl phenylacetate and phenethyl alcohol oleate, starting the stirrer to perform primary stirring, and sequentially adding a defoaming synergist, an oxygen-containing solvent and a thickening agent to obtain a stock solution preliminarily;
s3, heating and cooling: placing the processed stock solution in a heating furnace for heating, carrying out mixing reaction on components in the stock solution by utilizing high temperature, taking out the stock solution for natural cooling, then carrying out heating reaction again, taking out the raw material for natural cooling;
s4, filtering: and pouring the stock solution into a filtering device for filtering treatment, and removing impurities and large granular substances falling off in the production and processing of the stock solution.
In step S1, all raw materials required to be used are taken out firstly, then the raw materials are weighed according to a certain weight, then the weighed raw materials are placed in clean containers respectively for storage, subsequent processing is facilitated, the raw materials are taken by workers, meanwhile, labels are required to be pasted on the outer portions of the containers, names of the corresponding raw materials are written, and the situation of raw material confusion is avoided.
In step S2, a plurality of groups of raw materials are sequentially added into a stirrer, and simultaneously added in the order of fatty acid ester, aliphatic hydrocarbon, fatty amide, lauryl phenylacetate and phenethyl alcohol oleate, then the stirrer is started to perform preliminary stirring, the stirring time is set to 10min to 16min, then the defoaming synergist, the oxygen-containing solvent and the thickening agent are sequentially added, and the stirring time is set to 5min to 8min, so as to obtain a stock solution preliminarily.
In step S3, the processed stock solution is placed in a heating furnace for heating, the components in the stock solution are subjected to mixing reaction by utilizing high temperature, the temperature in the heating furnace is kept at 73-81 degrees, then the heating is carried out for 5-8 min, the stock solution is taken out for natural cooling, then the heating reaction is carried out again, the temperature in the heating furnace is kept at 79-85 degrees, then the heating is carried out for 6-9 min, and the raw material is taken out for natural cooling.
In step S4, the raw solution is poured into a filtering device for filtering, so as to remove impurities and large particulate matters falling from the raw solution during production and processing, and the number of filtering times is set to 3.
Example two
The invention provides a technical scheme that: the acid-resistant defoaming agent comprises fatty acid ester, fatty acid amide, fatty hydrocarbon, phenethyl alcohol oleate, lauryl phenylacetate and additive, wherein the additive comprises defoaming synergist, oxygen-containing solvent and thickening agent, the proportion of the fatty acid ester is set to be 19 parts, the proportion of the fatty acid amide is set to be 21 parts, the proportion of the fatty hydrocarbon is set to be 19 parts, the proportion of the phenethyl alcohol oleate is set to be 26 parts, the proportion of the lauryl phenylacetate is set to be 23 parts, the proportion of the defoaming synergist is set to be 9 parts, the proportion of the oxygen-containing solvent is set to be 15 parts, and the proportion of the thickening agent is set to be 8 parts.
The manufacturing method comprises the following steps:
s1, taking materials: firstly, taking out all raw materials to be used, weighing the raw materials according to a certain weight, and then respectively placing the weighed raw materials in a clean container for storage, so that the raw materials can be conveniently taken by workers in subsequent processing;
s2, stirring: sequentially adding a plurality of groups of raw materials into a stirrer, simultaneously adding the raw materials according to the sequence of fatty acid ester, aliphatic hydrocarbon, fatty amide, lauryl phenylacetate and phenethyl alcohol oleate, starting the stirrer to perform primary stirring, and sequentially adding a defoaming synergist, an oxygen-containing solvent and a thickening agent to obtain a stock solution preliminarily;
s3, heating and cooling: placing the processed stock solution in a heating furnace for heating, carrying out mixing reaction on components in the stock solution by utilizing high temperature, taking out the stock solution for natural cooling, then carrying out heating reaction again, taking out the raw material for natural cooling;
s4, filtering: and pouring the stock solution into a filtering device for filtering treatment, and removing impurities and large granular substances falling off in the production and processing of the stock solution.
In step S1, all raw materials required to be used are taken out firstly, then the raw materials are weighed according to a certain weight, then the weighed raw materials are placed in clean containers respectively for storage, subsequent processing is facilitated, the raw materials are taken by workers, meanwhile, labels are required to be pasted on the outer portions of the containers, names of the corresponding raw materials are written, and the situation of raw material confusion is avoided.
In step S2, a plurality of groups of raw materials are sequentially added into a stirrer, and simultaneously added in the order of fatty acid ester, aliphatic hydrocarbon, fatty amide, lauryl phenylacetate and phenethyl alcohol oleate, then the stirrer is started to perform preliminary stirring, the stirring time is set to 10min to 16min, then the defoaming synergist, the oxygen-containing solvent and the thickening agent are sequentially added, and the stirring time is set to 5min to 8min, so as to obtain a stock solution preliminarily.
In step S3, the processed stock solution is placed in a heating furnace for heating, the components in the stock solution are subjected to mixing reaction by utilizing high temperature, the temperature in the heating furnace is kept at 73-81 degrees, then the heating is carried out for 5-8 min, the stock solution is taken out for natural cooling, then the heating reaction is carried out again, the temperature in the heating furnace is kept at 79-85 degrees, then the heating is carried out for 6-9 min, and the raw material is taken out for natural cooling.
In step S4, the raw solution is poured into a filtering device for filtering, so as to remove impurities and large particulate matters falling from the raw solution during production and processing, and the number of filtering times is set to 3.
Example three
The invention provides a technical scheme that: the acid-resistant defoaming agent comprises fatty acid ester, fatty acid amide, fatty hydrocarbon, phenethyl alcohol oleate, lauryl phenylacetate and additive, wherein the additive comprises a defoaming synergist, an oxygen-containing solvent and a thickening agent, the proportion of the fatty acid ester is 16 parts, the proportion of the fatty acid amide is 18 parts, the proportion of the fatty hydrocarbon is 15 parts, the proportion of the phenethyl alcohol oleate is 23 parts, the proportion of the lauryl phenylacetate is 19 parts, the proportion of the defoaming synergist is 8 parts, the proportion of the oxygen-containing solvent is 11 parts, and the proportion of the thickening agent is 6 parts.
The manufacturing method comprises the following steps:
s1, taking materials: firstly, taking out all raw materials to be used, weighing the raw materials according to a certain weight, and then respectively placing the weighed raw materials in a clean container for storage, so that the raw materials can be conveniently taken by workers in subsequent processing;
s2, stirring: sequentially adding a plurality of groups of raw materials into a stirrer, simultaneously adding the raw materials according to the sequence of fatty acid ester, aliphatic hydrocarbon, fatty amide, lauryl phenylacetate and phenethyl alcohol oleate, starting the stirrer to perform primary stirring, and sequentially adding a defoaming synergist, an oxygen-containing solvent and a thickening agent to obtain a stock solution preliminarily;
s3, heating and cooling: placing the processed stock solution in a heating furnace for heating, carrying out mixing reaction on components in the stock solution by utilizing high temperature, taking out the stock solution for natural cooling, then carrying out heating reaction again, taking out the raw material for natural cooling;
s4, filtering: and pouring the stock solution into a filtering device for filtering treatment, and removing impurities and large granular substances falling off in the production and processing of the stock solution.
In step S1, all raw materials required to be used are taken out firstly, then the raw materials are weighed according to a certain weight, then the weighed raw materials are placed in clean containers respectively for storage, subsequent processing is facilitated, the raw materials are taken by workers, meanwhile, labels are required to be pasted on the outer portions of the containers, names of the corresponding raw materials are written, and the situation of raw material confusion is avoided.
In step S2, a plurality of groups of raw materials are sequentially added into a stirrer, and simultaneously added in the order of fatty acid ester, aliphatic hydrocarbon, fatty amide, lauryl phenylacetate and phenethyl alcohol oleate, then the stirrer is started to perform preliminary stirring, the stirring time is set to 10min to 16min, then the defoaming synergist, the oxygen-containing solvent and the thickening agent are sequentially added, and the stirring time is set to 5min to 8min, so as to obtain a stock solution preliminarily.
In step S3, the processed stock solution is placed in a heating furnace for heating, the components in the stock solution are subjected to mixing reaction by utilizing high temperature, the temperature in the heating furnace is kept at 73-81 degrees, then the heating is carried out for 5-8 min, the stock solution is taken out for natural cooling, then the heating reaction is carried out again, the temperature in the heating furnace is kept at 79-85 degrees, then the heating is carried out for 6-9 min, and the raw material is taken out for natural cooling.
In step S4, the raw solution is poured into a filtering device for filtering, so as to remove impurities and large particulate matters falling from the raw solution during production and processing, and the number of filtering times is set to 3.
The table of the parameters of the defoaming agent of the invention is as follows:
in conclusion, the invention adds the phenethyl alcohol oleate and the lauryl phenylacetate into the acid-resistant defoaming agent, and improves the proportion of the phenethyl alcohol oleate and the lauryl phenylacetate, so that the produced acid-resistant defoaming agent can better improve the defoaming efficiency in use, can complete the defoaming work in a shorter time, does not influence the basic property of a foaming system, and simultaneously combines the three additives, can improve the defoaming quality to a certain extent, has good diffusivity and permeability in application, better meets the use requirements of users, and has stronger practicability.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The acid-resistant defoaming agent is characterized by comprising fatty acid ester, fatty amide, aliphatic hydrocarbon, phenethyl alcohol oleate, lauryl phenylacetate and additive, wherein the additive comprises defoaming synergist, oxygen-containing solvent and thickening agent, the proportion of the fatty acid ester is 13-19 parts, the proportion of the fatty amide is 15-21 parts, the proportion of the aliphatic hydrocarbon is 11-19 parts, the proportion of the phenethyl alcohol oleate is 18-26 parts, the proportion of the lauryl phenylacetate is 16-23 parts, the proportion of the defoaming synergist is 6-9 parts, the proportion of the oxygen-containing solvent is 8-15 parts, and the proportion of the thickening agent is 5-8 parts.
2. The acid-resistant antifoaming agent of claim 1, comprising fatty acid ester, fatty amide, aliphatic hydrocarbon, phenethyl alcohol oleate, lauryl phenylacetate and additive, wherein the additive comprises antifoaming synergist, oxygen-containing solvent and thickener, the fatty acid ester is set to 13 parts, the fatty amide is set to 15 parts, the aliphatic hydrocarbon is set to 11 parts, the phenethyl alcohol oleate is set to 18 parts, the lauryl phenylacetate is set to 16 parts, the antifoaming synergist is set to 6 parts, the oxygen-containing solvent is set to 8 parts, and the thickener is set to 5 parts.
3. The acid-resistant antifoaming agent of claim 1, comprising fatty acid ester, fatty amide, aliphatic hydrocarbon, phenethyl alcohol oleate, lauryl phenylacetate and additive, wherein the additive comprises antifoaming synergist, oxygen-containing solvent and thickener, the ratio of fatty acid ester is set to 19 parts, the ratio of fatty amide is set to 21 parts, the ratio of aliphatic hydrocarbon is set to 19 parts, the ratio of phenethyl alcohol oleate is set to 26 parts, the ratio of lauryl phenylacetate is set to 23 parts, the ratio of antifoaming synergist is set to 9 parts, the ratio of oxygen-containing solvent is set to 15 parts, and the ratio of thickener is set to 8 parts.
4. The acid-resistant antifoaming agent of claim 1, comprising fatty acid ester, fatty amide, aliphatic hydrocarbon, phenethyl alcohol oleate, lauryl phenylacetate and additive, wherein the additive comprises antifoaming synergist, oxygen-containing solvent and thickener, the proportion of fatty acid ester is set to 16 parts, the proportion of fatty amide is set to 18 parts, the proportion of aliphatic hydrocarbon is set to 15 parts, the proportion of phenethyl alcohol oleate is set to 23 parts, the proportion of lauryl phenylacetate is set to 19 parts, the proportion of antifoaming synergist is set to 8 parts, the proportion of oxygen-containing solvent is set to 11 parts, and the proportion of thickener is set to 6 parts.
5. The method for preparing an acid-resistant antifoaming agent according to any of claims 1 to 4, wherein the preparation steps include the following:
s1, taking materials: firstly, taking out all raw materials to be used, weighing the raw materials according to a certain weight, and then respectively placing the weighed raw materials in a clean container for storage, so that the raw materials can be conveniently taken by workers in subsequent processing;
s2, stirring: sequentially adding a plurality of groups of raw materials into a stirrer, simultaneously adding the raw materials according to the sequence of fatty acid ester, aliphatic hydrocarbon, fatty amide, lauryl phenylacetate and phenethyl alcohol oleate, starting the stirrer to perform primary stirring, and sequentially adding a defoaming synergist, an oxygen-containing solvent and a thickening agent to obtain a stock solution preliminarily;
s3, heating and cooling: placing the processed stock solution in a heating furnace for heating, carrying out mixing reaction on components in the stock solution by utilizing high temperature, taking out the stock solution for natural cooling, then carrying out heating reaction again, taking out the raw material for natural cooling;
s4, filtering: and pouring the stock solution into a filtering device for filtering treatment, and removing impurities and large granular substances falling off in the production and processing of the stock solution.
6. The method as claimed in claim 4, wherein in step S1, all the raw materials to be used are taken out, weighed according to a certain weight, and then the weighed raw materials are stored in clean containers for subsequent processing, and labels are attached to the outside of each container to write the names of the corresponding raw materials, so as to avoid disorder of the raw materials.
7. The method as claimed in claim 4, wherein in step S2, the raw materials are sequentially added into the mixer, and the fatty acid ester, the aliphatic hydrocarbon, the aliphatic amide, the lauryl phenylacetate and the phenethyl alcohol oleate are added in this order, and then the mixer is started to perform preliminary mixing for 10min to 16min, and then the defoaming synergist, the oxygen-containing solvent and the thickening agent are sequentially added, and the mixing time is 5min to 8min, so as to obtain the raw liquid.
8. The method of claim 4, wherein the step S3 comprises heating the processed stock solution in a heating furnace, mixing the components in the stock solution at a high temperature, keeping the temperature in the heating furnace at 73 ° to 81 °, heating for 5min to 8min, cooling the stock solution naturally, heating again, keeping the temperature in the heating furnace at 79 ° to 85 °, heating for 6min to 9min, and cooling the raw material naturally.
9. The method of claim 4, wherein the stock solution is poured into the filtering apparatus to be filtered in step S4, and impurities and large particles dropped from the production process of the stock solution are removed, and the number of times of filtering is set to 3.
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| CN105566658A (en) * | 2015-12-08 | 2016-05-11 | 巨化集团技术中心 | Concentration method of fluorine-containing polymer aqueous dispersion |
| CN107083022A (en) * | 2017-05-23 | 2017-08-22 | 苏州轩朗塑料制品有限公司 | A kind of preparation method of shock absorbing foam plastic material |
| CN107964335A (en) * | 2017-10-30 | 2018-04-27 | 合肥林邦门业有限公司 | A kind of wood furniture extinguishing waterborn preparation method for coating |
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2021
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| JP2005169271A (en) * | 2003-12-11 | 2005-06-30 | Nikko Kagaku Kenkyusho:Kk | Antifoaming agent composition |
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| CN101780382A (en) * | 2009-12-07 | 2010-07-21 | 江苏赛欧信越消泡剂有限公司 | Delaying coking non-silicon defoaming agent with multiple active components and preparation method thereof |
| CN105566658A (en) * | 2015-12-08 | 2016-05-11 | 巨化集团技术中心 | Concentration method of fluorine-containing polymer aqueous dispersion |
| CN107083022A (en) * | 2017-05-23 | 2017-08-22 | 苏州轩朗塑料制品有限公司 | A kind of preparation method of shock absorbing foam plastic material |
| CN107964335A (en) * | 2017-10-30 | 2018-04-27 | 合肥林邦门业有限公司 | A kind of wood furniture extinguishing waterborn preparation method for coating |
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