CN111925750B - Special repair glue with quick-drying property for chemical milling protective glue and preparation method thereof - Google Patents
Special repair glue with quick-drying property for chemical milling protective glue and preparation method thereof Download PDFInfo
- Publication number
- CN111925750B CN111925750B CN202010770259.XA CN202010770259A CN111925750B CN 111925750 B CN111925750 B CN 111925750B CN 202010770259 A CN202010770259 A CN 202010770259A CN 111925750 B CN111925750 B CN 111925750B
- Authority
- CN
- China
- Prior art keywords
- adhesive
- chemical milling
- resin
- chlorinated rubber
- glue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J115/00—Adhesives based on rubber derivatives
- C09J115/02—Rubber derivatives containing halogen
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The special repair adhesive for the chemical milling protective adhesive with quick-drying property comprises the following components in percentage by mass: 12-17% of chlorinated rubber resin; 3-4% of plasticizing resin; 6-10% of silicon dioxide; 8-12% of filler; 1-1.5% of an auxiliary agent; 57-64% of mixed solvent. The preparation method of the repairing agent comprises the following steps: adding chlorinated rubber resin and plasticizing resin into part of mixed solvent, and stirring until the chlorinated rubber resin and the plasticizing resin are completely dissolved and uniformly mixed; adding silicon dioxide, filler and auxiliary agent, uniformly mixing, grinding, adding the rest mixed solvent, and filtering to obtain the special quick-drying repair adhesive for the chemical milling protective adhesive.
Description
Technical Field
The invention belongs to the technical field of repair glue, and particularly relates to repair glue special for chemical milling protective glue with quick-drying property and a preparation method thereof.
Background
The special repair adhesive for the chemical milling protective adhesive can carry out sealing protection on incomplete paint films generated by construction modes and environmental factors in the construction process of the chemical milling protective adhesive, prevent alkaline liquor (or acid liquor) from being contacted with a substrate to generate corrosion leakage through the defects, prevent parts from being scrapped due to corrosion leakage, ensure the qualification rate of part processing and improve the working efficiency.
The commonly used special repair adhesive for the chemical milling protective adhesive adopts a special adhesive tape repairing mode, the repair adhesive tape has very good alkali resistance, and chemical milling can be carried out immediately after the repair adhesive tape is adhered, but the adhesive force of the special adhesive tape on the chemical milling adhesive can be reduced along with the increase of the soaking time in hot alkali liquor, and finally the special adhesive tape can fall off from the chemical milling adhesive, so that the place with defects of the chemical milling adhesive cannot be protected, the hot alkali liquor can damage the substrate, and the rejection probability of the substrate can be increased.
Disclosure of Invention
The invention aims to provide a special repair adhesive for chemical milling protective adhesive with quick-drying property and a preparation method thereof, which overcome at least one technical problem of long time drying and falling off from the chemical milling adhesive film after being soaked in hot acid and/or hot alkali for a long time due to poor long-time acid resistance and/or alkali resistance of the traditional special repair adhesive for chemical milling protective adhesive.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a special repair adhesive for chemical milling protective adhesive with quick-drying property, which comprises the following components in percentage by mass:
in an example of the present invention, the chlorinated rubber resin includes one or both of solid chlorinated rubber and liquid chlorinated rubber.
In one example of the present invention, the solid chlorinated rubber is required to satisfy at least one of the following characteristics: molecular weight is 3500-15000, viscosity is 0.01-0.03Pa.s, and chlorine content is 62% -65%. Commercially available solid chlorinated rubber resins meeting the above requirements are all suitable for use in the present invention.
In one example of the present invention, the liquid chlorinated rubber is required to satisfy at least one of the following characteristics: the molecular weight is 3500-5000, and the viscosity is 9000 +/-10%. Commercially available solid chlorinated rubber resins meeting the above requirements are all suitable for use in the present invention.
In one example of the present invention, the liquid chlorinated rubber resin may be selected from, but is not limited to: one or a combination of more than two of Russian CBK139, American Exxon CIIR1068 and Germany Bayer S-20 in any proportion.
In one example of the invention, the plasticizing resin may be selected from, but is not limited to: one or a combination of more than two of dibutyl phthalate, dioctyl phthalate and liquid paraffin in any proportion.
In an example of the present invention, the liquid paraffin may be selected from, but not limited to: the liquid paraffin 46# and the liquid paraffin 52# are combined in any ratio.
In an example of the invention, the filler may be selected from, but is not limited to: one or a combination of more than two of talcum powder, barium metaborate, sericite and kaolin in any proportion.
In one example of the invention, the silica may be selected from, but is not limited to: one or a combination of more than two of American CABOT TS-100, Yingchuang degussa A-200, American CABOT M-5, American Grace ED-30 and ATMS-100 gas silicon in any proportion. Other commercially available silicas may also be suitable for use in the present invention.
In one example of the present invention, the auxiliary agent has the effects of preventing sedimentation and defoaming.
In one example of the present invention, the auxiliary agent may be selected from, but not limited to: BYK-410 of Picker, YCK-2160 of Yike, BYK-430 of Picker and BYK-431 of Picker in any proportion.
In one example of the present invention, the mixed solvent may be selected from, but not limited to: one or two of acetone and butanone can be combined in any proportion.
In a second aspect of the invention, a preparation method of the special repair adhesive with quick-drying property for chemical milling protective adhesive is provided, which comprises the following steps:
adding chlorinated rubber resin and plasticized resin into part of mixed solvent, and stirring to completely dissolve and uniformly mix the chlorinated rubber resin and the plasticized resin; and adding silicon dioxide, filler and auxiliary agent, uniformly mixing, grinding, adding the rest mixed solvent, and filtering to obtain the special quick-drying repair adhesive for the chemical milling protective adhesive.
In one embodiment of the present invention, the mass of the part of the mixed solvent is selected to be 75 to 95%, preferably 75 to 80%, of the total mass of the mixed solvent.
In one example of the present invention, the stirring rate for completely dissolving and uniformly mixing the chlorinated rubber resin and the plasticized resin is 800-1500 r/min.
In one example of the invention, the method of adding the filler and the auxiliary agent and then uniformly mixing is selected as stirring, and the stirring speed is 800-1500 r/min.
In one example of the invention, the solid part of the obtained special quick-drying repair adhesive for the chemical milling protective adhesive is 40 +/-2%, and the viscosity is 40-60 s.
In some examples of the invention, the plasticizing resin is selected to achieve at least one of the following technical effects: the chlorinated rubber resin is matched with the chlorinated rubber resin for use, so that the heat acid resistance time and the heat alkali resistance time of the chlorinated rubber can be prolonged, and the heat acid resistance and the heat alkali resistance can be improved; the plasticizer in the formula can enable the chemical milling adhesive film to slightly swell, the repair adhesive and the chemical milling adhesive film are tightly bonded together in the drying process, the adhesive force of the quick-drying repair adhesive on the chemical milling adhesive film can be improved, and the repair adhesive is prevented from falling off from the chemical milling adhesive film after being soaked in hot acid and hot alkali for a long time.
In some examples of the present invention, the above-mentioned assistant is selected to have the effects of preventing sedimentation and defoaming, and the assistant and silica form a thickening system, so that the following technical effects can be obtained: the repair adhesive is provided with proper construction viscosity, the repair adhesive is guaranteed not to be settled in a short time, and the use of silicon dioxide can improve the color ratio of the repair adhesive to achieve the aim of improving the drying time.
In some examples of the invention, the obtained coating of the quick-drying repair glue special for the chemical milling protective glue has the following characteristics by tests: drying on the chemical milling glue film for less than 20 minutes (drying at 25 ℃); good alkali resistance: the repairing glue on the chemical milling glue film after being soaked in the high-concentration alkali liquor for a long time has no phenomena of bubbling, bulging, corrosion leakage and the like; the acid resistance is good: the repairing glue on the chemical milling glue film after long-time high-concentration acid liquor soaking has no phenomena of bubbling, bulging, leaking corrosion and the like; the repair adhesive is soaked in hot alkali liquor at 95-105 ℃ for 8 hours or in acid liquor at room temperature for 4 hours, and the repair adhesive also has good adhesive force and sealing performance.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to examples, but it will be understood by those skilled in the art that the following examples are only illustrative of the present invention and should not be construed as limiting the scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The quick-drying repair adhesive special for the chemical milling protective adhesive has good long-time heat alkali and/or heat acid resistance, has very good adhesive force with the chemical milling protective adhesive after long-time heat alkali liquid and/or heat acid resistance, carries out incomplete sealing protection on a paint film generated by the construction mode and environmental factors in the construction process of the chemical milling protective adhesive, prevents alkali liquid from contacting with a substrate to generate leakage corrosion through the defects, prevents parts from being scrapped due to the leakage corrosion, ensures the qualification rate of part processing, and improves the working efficiency; the special quick-drying repair glue for the chemical milling protective glue can shorten the drying time, cannot influence the construction time of the whole chemical milling process due to the coating of the quick-drying repair glue, and reduces the working efficiency.
According to a first aspect of the invention, some embodiments of the invention provide a special repair glue for chemical milling protective glue with quick-drying property, which comprises the following components in percentage by mass: chlorinated rubber resin: 12 to 17 percent; plasticizing resin: 3 to 4 percent; silicon dioxide: 6 to 10 percent; filling: 8 to 12 percent; auxiliary agent: 1 to 1.5 percent; mixing solvent: 57-64 percent.
According to the invention, through the mutual matching and supporting of the functions of the chlorinated rubber resin, the plasticizing resin, the silicon dioxide, the filler and the like on the raw materials and the mutual restriction and matching of the proportions of some raw materials, the special repair adhesive for the chemical milling protective adhesive has better comprehensive performance compared with the existing special repair adhesive for the chemical milling protective adhesive, and overcomes at least one technical problem of long-time acid resistance and/or alkali resistance, falling off from a chemical milling adhesive film after being soaked in hot acid and/or hot alkali for a long time and long drying time of the existing special repair adhesive for the chemical milling protective adhesive.
The invention is characterized in that the chlorinated rubber resin and the plasticized resin are matched for use in the special repair glue for the chemical milling protective glue, and the addition amount of the chlorinated rubber resin accounts for 12-17% of the total mass, and the addition amount of the plasticized resin accounts for 3-4% of the total mass. The heat-resistant acid performance, heat-resistant alkaline performance and adhesive force of the special repair adhesive for the chemical milling protective adhesive can be improved.
Further, in some embodiments of the present invention, the chlorinated rubber resin is selected to include one or both of a solid chlorinated rubber resin and a liquid chlorinated rubber resin.
More preferably, in certain embodiments of the present invention, the solid chlorinated rubber resin is required to satisfy at least one of the following characteristics: the molecular weight is within 8500-15000, the viscosity is within 0.01-0.03Pa.s, and the chlorine content is within 62% -65%, so that the repair adhesive product has proper viscosity, and simultaneously, the product has good acid resistance and alkali resistance. Commercially available solid chlorinated rubber resins meeting the above requirements are suitable for use in the present invention and may be prepared by themselves using methods well known to those skilled in the art.
More preferably, in certain embodiments of the present invention, the liquid chlorinated rubber resin is required to satisfy at least one of the following characteristics: the molecular weight is 3500-5000, the viscosity is 9000 +/-10%, the repairing adhesive product has proper viscosity, and the product has good acid resistance and alkali resistance. Commercially available solid chlorinated rubber resins meeting the above requirements are suitable for use in the present invention and may be prepared by themselves using methods well known to those skilled in the art.
More preferably, in certain embodiments of the present invention, the chlorinated rubber resin may be selected from, but is not limited to: one or a combination of more than two of Russian CBK139, American Exxon CIIR1068, German Bayer S-20 and liquid chlorinated rubber in any proportion. The liquid chlorinated rubber can be made of Junsong plastic rubber of Dongguan city, American Dow and the like which meet the characteristic requirements.
Further, in an embodiment of the present invention, the plasticizing resin may be selected from: one or a combination of more than two of dibutyl phthalate, dioctyl phthalate and liquid paraffin in any proportion.
The plasticizing resin may be selected from: the plasticizing resin can be dibutyl phthalate, dioctyl phthalate, liquid paraffin, a mixture of dibutyl phthalate and dioctyl phthalate, a mixture of dibutyl phthalate and liquid paraffin, a mixture of dioctyl phthalate and liquid paraffin, or a mixture of dibutyl phthalate, dioctyl phthalate and liquid paraffin. When the plasticizing resin is a mixture of two or more, the specific ratio or content of the components of the mixture is not particularly limited, for example, when the plasticizing resin is a mixture of dibutyl phthalate, dioctyl phthalate and liquid paraffin, the specific ratio or content of dibutyl phthalate, dioctyl phthalate and liquid paraffin is not particularly limited, and can be adjusted by one skilled in the art according to the actual situation. The plasticizing resin is not limited to a mixture of one or more of dibutyl phthalate, dioctyl phthalate, liquid paraffin in any proportion. The three plasticizing resins selected by the invention are conventional resins, and are conventional commercial products.
More preferably, in certain embodiments of the present invention, the liquid paraffin may be selected from: the liquid paraffin 46# and the liquid paraffin 52# are combined in any ratio. The liquid paraffin is not limited to a combination of two or more of the 46# liquid paraffin and the 52# liquid paraffin in any ratio.
Further, in certain embodiments of the present invention, the filler may be selected from: one or a combination of more than two of talcum powder, barium metaborate, sericite and kaolin in any proportion.
In a preferred embodiment of the invention, barium metaborate is used as the filler to improve the temperature resistance of the quick-drying repair adhesive, talcum powder, sericite and kaolin have good acid and alkali resistance, and barium metaborate and other three fillers are matched and used in any proportion to enable the formula to have a proper color-to-base ratio, so that the quick-drying repair adhesive has good acid and alkali resistance, and meanwhile, the repair adhesive has good adhesive force on the chemical milling adhesive and good strippability on a metal substrate.
Further, in certain embodiments of the present invention, the silica may be selected from: one or a combination of more than two of American CABOT TS-100, Yingchuang degussa A-200, American CABOT M-5, American Grace ED-30 and ATMS-100 gas silicon in any proportion. Other commercially available silicas are also suitable for use in the present invention and may be prepared by themselves using methods well known to those skilled in the art.
In one embodiment of the invention, silicon dioxide is added, and the silicon dioxide has the functions of preventing sedimentation and adjusting a proper pigment ratio in the formula system.
Further, in certain embodiments of the present invention, the auxiliary agent has effects of preventing sedimentation and defoaming.
More preferably, in certain embodiments of the present invention, the adjuvant is: BYK-410 of Picker, YCK-2160 of Yike, BYK-430 of Picker and BYK-431 of Picker in any proportion. The auxiliary agents are matched for use, so that the resin in the formula has good defoaming effect and anti-settling effect after being mixed with the pigment and filler.
Further, in certain embodiments of the present invention, the mixed solvent may be selected from: one or a mixture of two of acetone and butanone in any proportion, that is, the mixed solvent can be acetone, butanone or a mixture of acetone and butanone.
More preferably, in an embodiment of the present invention, the mixed solvent is a mixture of acetone and butanone, and the acetone and butanone in the mixture may be combined in any proportion, and preferably, the mass ratio of acetone to butanone is: 1: 2-9, and typical but non-limiting mass ratio can be, for example, the mass ratio of acetone to butanone: 1:2, 1:2.4, 1:3, 1: 3.25, 1: 4. 1: 5. 1:6, 1:6.7, 1:7, 1: 8 or 1: 9.
further, the chlorinated rubber resin is added into the special repair glue for the chemical milling protective glue, and the addition amount of the chlorinated rubber resin accounts for 12-17% of the total mass, preferably 13-16% or 14-17%.
The mass percentage of the chlorinated rubber resin contained in the special repair rubber for the chemical milling protective rubber is 12-17%, namely the mass percentage of the chlorinated rubber resin is more than or equal to 12 and less than or equal to 17%, and typical but non-limiting contents can be 12%, 12.5%, 13%, 13.5%, 14%, 14.5%, 15%, 15.5%, 16%, 16.5% or 17%.
According to the invention, the dosage of the chlorinated rubber resin is further adjusted and optimized, the synergistic cooperation effect among the components is fully exerted, the chlorinated rubber resin is further efficiently matched with the plasticizing resin and other components, a better heat-resistant acidic and/or heat-resistant alkaline effect is achieved, or better adhesive force is achieved, and the comprehensive performance of the special repair adhesive for the chemical milling protective adhesive is further improved.
Particularly, in the special repair adhesive for the chemical milling protective adhesive, if the addition amount of the chlorinated rubber resin is higher than 17%, the heat resistance and the alkalinity of the product are deteriorated, and the color change of a paint film is serious; if the addition amount of the chlorinated rubber resin is less than 12 percent, the proportion of the plasticizer exceeds the standard, and a paint film becomes soft, so that the chlorinated rubber resin is not beneficial to stripping on a metal substrate.
Further, the plasticizing resin is added into the special repair glue for the chemical milling protective glue, and the addition amount of the plasticizing resin accounts for 3-4% of the total mass, preferably 3-3.5% or 3.2-3.8%.
The repair glue special for the chemical milling protective glue comprises 3-4% by mass of plasticizing resin, namely the mass percentage of the plasticizing resin is more than or equal to 3 and less than or equal to 4%, and typical but non-limiting contents can be 3%, 3.1%, 3.2%, 3.3%, 3.4%, 3.5%, 3.6%, 3.7%, 3.8%, 3.9% or 4%.
According to the invention, the dosage of the plasticized resin is further adjusted and optimized, the synergistic cooperation effect among the components is fully exerted, the chlorinated rubber resin is further efficiently matched with the components such as the plasticized resin, the better heat-resistant acidic and/or heat-resistant alkaline effect is achieved, or the better adhesive force is achieved, and the comprehensive performance of the special repair adhesive for the chemical milling protective adhesive is further improved.
Particularly, in the special repair adhesive for the chemical milling protective adhesive, if the addition amount of the plasticizing resin is higher than 4%, a paint film becomes soft, the adhesive force is too good, and the stripping on a metal substrate is not facilitated; if the addition amount of the plasticizing resin is less than 3%, the time for the product to withstand hot alkali and hot acid becomes short, and the use requirements cannot be met.
Further, the silicon dioxide is added into the special repair glue for the chemical milling protective glue, and the adding amount of the silicon dioxide accounts for 6-10% of the total mass, preferably 7-9% or 6.5-8%.
The special repair glue for the chemical milling protective glue comprises 6-10% of silicon dioxide by mass, namely the mass percentage of the silicon dioxide is more than or equal to 6 and less than or equal to 10%, and typical but non-limiting contents can be 6%, 6.5%, 7%, 7.5%, 8%, 8.5%, 9%, 9.5% or 10%.
Particularly, in the special repair adhesive for the chemical milling protective adhesive, if the addition amount of the silicon dioxide is higher than 10%, the resin cannot completely coat the silicon dioxide, and the silicon dioxide reacts with alkali, so that the heat resistance and the alkalinity are poor; if the addition amount of the silicon dioxide is less than 6 percent, the time for the product to settle is shortened, and meanwhile, the adhesion of a paint film on the aluminum alloy is too good and the paint film is not easy to peel off due to too low pigment ratio.
Further, the filler is added into the special repair adhesive for the chemical milling protective adhesive, and the addition amount of the filler accounts for 8-12% of the total mass, preferably 8.5-10% or 9-11%.
The special repair adhesive for the chemical milling protective adhesive comprises 8-12% of the filler by mass, namely, the filler is more than or equal to 8 and less than or equal to 12% by mass, and typical but non-limiting contents can be, for example, 8%, 8.5%, 9%, 9.5%, 10%, 10.5%, 11%, 11.5% or 12%.
Particularly, in the special repair adhesive for the chemical milling protective adhesive, if the addition amount of the filler is higher than 12%, the color ratio of the formula is too high, and the dried paint film has poor acid and alkali resistance and cannot be bonded with a chemical milling adhesive film; if the addition amount of the filler is less than 8 percent, the color ratio is too low, the temperature resistance is poor, the adhesive force on the aluminum alloy is too good, and the aluminum alloy cannot be peeled off.
Further, the auxiliary agent is added into the special repair adhesive for the chemical milling protective adhesive, and the addition amount of the auxiliary agent accounts for 1-1.5%, preferably 1.2-1.4% of the total mass.
The repair adhesive special for the chemical milling protective adhesive comprises 1-1.5% of the auxiliary agent by mass, namely the auxiliary agent is more than or equal to 1 and less than or equal to 1.5% by mass, and the typical but non-limiting content can be 1%, 1.1%, 1.2%, 1.3%, 1.4% or 1.5%.
Particularly, in the special repair adhesive for the chemical milling protective adhesive, if the addition amount of the auxiliary agent is higher than 1.5%, the application amount is too high, so that the drying speed of the product is reduced; if the addition amount of the auxiliary is less than 1%, bubbles in the product cannot be completely eliminated.
Further, the mixed solvent is added into the special repair glue for the chemical milling protective glue, and the addition amount of the mixed solvent accounts for 57-64%, preferably 58-62% or 59-63% of the total mass.
The mass percentage of the mixed solvent contained in the special repair glue for the chemical milling protective glue is 57-64%, namely the mass percentage of the mixed solvent is more than or equal to 57 and less than or equal to 64%, and typical but non-limiting contents can be 57%, 57.5%, 58%, 58.5%, 59%, 59.5%, 60%, 60.5%, 61%, 61.5%, 62%, 62.5%, 63%, 63.5% or 64%.
Particularly, in the special repair adhesive for the chemical milling protective adhesive, if the addition amount of the mixed solvent is higher than 64%, the solid content and viscosity of the product are too low, which is not beneficial to product construction; if the amount of the mixed solvent is less than 57%, the viscosity of the product becomes too high to be defoamed, and the presence of bubbles affects the final acid-base resistance of the product.
To be noted: all the technical features mentioned herein, as well as preferred features, may be combined with each other to form new solutions, if not mentioned specifically.
Unless otherwise defined, technical and scientific terms used herein have the same meaning as is familiar to those skilled in the art.
In a second aspect of the present invention, some embodiments provide a preparation method of the repair adhesive special for chemical milling protective adhesive with quick-drying property, including the following steps:
adding chlorinated rubber resin and plasticized resin into part of mixed solvent, and stirring to completely dissolve and uniformly mix the chlorinated rubber resin and the plasticized resin; adding silicon dioxide, filler and auxiliary agent, uniformly mixing, grinding, adding the rest mixed solvent, filtering and packaging to obtain the special quick-drying repair adhesive for the chemical milling protective adhesive.
Preferably, in an embodiment of the present invention, the mass of the partial mixed solvent is selected to be 75-95%, preferably 75-80%, of the total mass of the mixed solvent, and a typical but non-limiting content may be, for example: 75%, 76%, 77%, 78%, 79% or 80%. In an embodiment of the present invention, the mass ratio of acetone to butanone in the partial mixed solvent to the mass ratio of acetone to butanone in the residual mixed solvent may be the same or different.
In the embodiment of the invention, 75-95% of mixed solvent is added when the chlorinated rubber resin and the plasticized resin are stirred and dissolved when the chlorinated rubber resin and the plasticized resin are kept in the range, so that the viscosity during stirring can be kept at the best; if the content of the mixed solvent is too large, the nonvolatile content is too low, and the formed coating film cannot resist hot acid and hot alkali for a long time.
Preferably, in an embodiment of the present invention, the stirring speed is 1500r/min for completely dissolving and uniformly mixing the chlorinated rubber resin and the plasticized resin.
Preferably, in an embodiment of the present invention, the method of adding the filler and the auxiliary agent and then uniformly mixing is selected as stirring, the stirring speed is 800-1500r/min, the volatilization amount of the mixed solvent can be kept at the minimum within the stirring speed range, and the solid content and the viscosity data are ensured to meet the requirements during the detection of the final product.
In one embodiment of the invention, the obtained special quick-drying repair adhesive for the chemical milling protective adhesive has the solid content of 40 +/-2% and the viscosity of 40-60 s.
Preferably, in an embodiment of the present invention, a preparation method of the repair adhesive special for chemical milling protective adhesive with quick-drying property is provided, which includes the following steps:
respectively adding chlorinated rubber resin and plasticized resin into 80% of mixed solvent, stirring at high speed (800 plus 1500r/min) to completely dissolve and uniformly mix the chlorinated rubber resin and the plasticized resin, adding filler and auxiliary agent, uniformly mixing by using a high-speed stirrer (800 plus 1500r/min), grinding in a sand mill (preferably, grinding until the fineness is less than or equal to 30 mu m), adjusting the solid content to be 40 +/-2% by using the remaining 20% of mixed solvent and the viscosity to be 40-60s, and filtering to obtain the special quick-drying repair adhesive for the chemical milling protective adhesive.
In order to facilitate an understanding of the invention, the invention will now be further described with reference to the following specific examples.
Example 1
12g of chlorinated rubber CIIR1068 resin (Exon, USA), 2g of chlorinated rubber CBK139 resin (agency of Utility company, Inc. in Shanghai rock), 2g of plasticizing resin dibutyl phthalate and 1g of No. 52 liquid paraffin are dissolved in a mixed solvent of 5g of acetone and 40g of butanone, the resin is completely dissolved by a high-speed stirrer (800-; adding 7g of talcum powder, 3g of sericite, 0.4g of BYK-410 and 0.5g of YCK-2160, mixing by using a high-speed stirrer (800 plus 1500r/min), grinding in a sand mill to the fineness of 30 mu m, adjusting the solid content and the viscosity to 41.3 percent by using 2.5g of acetone and 6g of butanone, and filtering and discharging to obtain the special quick-drying repair adhesive for the chemical milling protective adhesive.
Coating the special quick-drying repair glue for the chemical milling protective glue on a thoroughly dried chemical milling glue film (a chemical milling glue film used in a chemical milling procedure in aircraft skin processing), wherein the test method and the test result are shown in table 1, the alkali liquid in table 1 is sodium hydroxide alkali liquid, and the alkali concentration is 150-180 g/L; the acid solution is nitric acid, and the acid concentration is 150-.
TABLE 1
Example 2
11g of chlorinated rubber CIIR1068 resin, 4g of chlorinated rubber S-20 resin, 3.0g of dibutyl phthalate as plasticizing resin, 0.5g of dioctyl phthalate, dissolving in a mixed solvent of 6.5g of acetone and 43.5g of butanone, completely dissolving the resin by using a high-speed stirrer (800- & gt 1500r/min), and adding 9.5g of ED-30 gas silicon; adding 8g of talcum powder, 3.5g of kaolin, 0.4g of BYK-430, 0.5g of YCK-2160 and 0.2g of BYK-431, mixing by using a high-speed stirrer (800 plus 1500r/min), grinding in a sand mill to the fineness of 30 mu m, adjusting the solid content and the viscosity to 39.6 percent by using 2g of acetone and 6.5g of butanone, filtering and discharging to obtain the special quick-drying repair adhesive for the chemical milling protective adhesive.
Coating the special quick-drying repair glue for the chemical milling protective glue on a thoroughly dried chemical milling glue film (a chemical milling glue film used in a chemical milling procedure in aircraft skin processing), wherein the test performance is shown in table 2, and the alkali solutions in the table 2 are sodium hydroxide alkali solutions with the alkali concentration of 150-; the acid solution is nitric acid, and the acid concentration is 150-300 g/L.
TABLE 2
Example 3
In this example, 12g of chlorinated rubber CIIR1068 resin, 2g of chlorinated rubber CBK139 resin, 2g of dibutyl phthalate as a plasticizing resin, and 1g of No. 52 liquid paraffin were dissolved in a mixed solvent of 9g of acetone and 36g of methyl ethyl ketone, and the rest of the mixed solvent was 2.5g of acetone and 6g of methyl ethyl ketone, which was the same as in example 1.
The special quick-drying repair glue for the chemical milling protective glue is coated on a thoroughly dried chemical milling glue film (a chemical milling glue film used in a chemical milling procedure in aircraft skin processing), and the test method and results are shown in table 3.
TABLE 3
Example 4
11g of a chlorinated rubber CIIR1068 resin, 4g of a chlorinated rubber S-20 resin, 3.0g of dibutyl phthalate as a plasticizing resin, 0.5g of dioctyl phthalate, were dissolved in a mixed solvent of 12.5g of acetone and 37.5g of butanone, and 2g of acetone and 6.5g of butanone were added to the remaining mixed solvent, as in example 2.
The special quick-drying repair glue for the chemical milling protective glue is coated on a thoroughly dried chemical milling glue film (a chemical milling glue film used in a chemical milling procedure in aircraft skin processing), and the test method and results are shown in table 4.
TABLE 4
Example 5
In this example, 12g of chlorinated rubber CIIR1068 resin, 2g of chlorinated rubber CBK139 resin, 2g of dibutyl phthalate as a plasticizing resin, and 1g of No. 52 liquid paraffin were dissolved in a mixed solvent of 10.7g of acetone and 32.1g of butanone, and the rest of the mixed solvent was mixed with 2.14g of acetone and 8.56g of butanone, and the same procedure was used as in example 1.
The special quick-drying repair glue for the chemical milling protective glue is coated on a thoroughly dried chemical milling glue film (a chemical milling glue film used in a chemical milling procedure in aircraft skin processing), and the test method and results are shown in table 5.
TABLE 5
Example 6
11g of a chlorinated rubber CIIR1068 resin, 4g of a chlorinated rubber S-20 resin, 3.0g of dibutyl phthalate as a plasticizing resin, 0.5g of dioctyl phthalate, were dissolved in a mixed solvent of 7.41g of acetone and 37.05g of butanone, and 3.51g of acetone and 10.53g of butanone were added to the remaining mixed solvent, which was otherwise the same as in example 2.
The special quick-drying repair glue for the chemical milling protective glue is coated on a thoroughly dried chemical milling glue film (a chemical milling glue film used in a chemical milling procedure in aircraft skin processing), and the test method and results are shown in table 6.
TABLE 6
The invention is not limited to the embodiments of the invention described. The technical scheme and the implementation mode of the invention are explained by applying specific examples in the invention, and the description of the above examples is only used for helping to understand the core idea of the invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (6)
1. The special repair adhesive for the chemical milling protective adhesive has quick-drying property, and comprises the following components in percentage by mass:
the chlorinated rubber resin comprises one or two of solid chlorinated rubber and liquid chlorinated rubber, and the solid chlorinated rubber comprises at least one of the following characteristics: the molecular weight is 3500-15000, the viscosity is 0.01-0.03Pa.s, and the chlorine content is 62-65%; the filler comprises one or a combination of more than two of talcum powder, barium metaborate, sericite and kaolin in any proportion.
2. The special repair adhesive for chemical milling protection adhesive according to claim 1, wherein the plasticizing resin comprises one or a combination of two or more of dibutyl phthalate, dioctyl phthalate and liquid paraffin in any proportion.
3. The special repair adhesive for chemical milling protective adhesive according to claim 1, wherein the silicon dioxide comprises one or a combination of more than two of Yingchuang Texsai A-200, American CABOT M-5, American Grace ED-30 and ATMS-100 gas silicon in any proportion.
4. The special repair adhesive for chemical milling protective adhesive according to claim 1, wherein the auxiliary agent comprises a combination of more than two of BYK-410, YCK-2160, BYK-430 and BYK-431 in any proportion.
5. The special repair adhesive for the chemical milling protection adhesive as claimed in claim 1, wherein the mixed solvent comprises a combination of acetone and butanone in any proportion.
6. A preparation method of special repair glue for chemical milling protective glue with quick-drying property comprises the following steps: weighing raw materials according to the formula of the special repair adhesive for the chemical milling protective adhesive of any one of claims 1 to 5; adding chlorinated rubber resin and plasticized resin into part of mixed solvent, and stirring to completely dissolve and uniformly mix the chlorinated rubber resin and the plasticized resin; adding silicon dioxide, filler and auxiliary agent, uniformly mixing, grinding, adding the rest mixed solvent, and filtering to obtain the special repair adhesive for the chemical milling protective adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010770259.XA CN111925750B (en) | 2020-08-04 | 2020-08-04 | Special repair glue with quick-drying property for chemical milling protective glue and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010770259.XA CN111925750B (en) | 2020-08-04 | 2020-08-04 | Special repair glue with quick-drying property for chemical milling protective glue and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111925750A CN111925750A (en) | 2020-11-13 |
| CN111925750B true CN111925750B (en) | 2021-12-24 |
Family
ID=73306669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010770259.XA Active CN111925750B (en) | 2020-08-04 | 2020-08-04 | Special repair glue with quick-drying property for chemical milling protective glue and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111925750B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4000228A1 (en) * | 1990-01-05 | 1991-07-11 | Stahlgruber Gruber & Co Otto | Patch for repairing synthetic rubber - consists of uncured raw rubber like material to be repaired, kept between protective films until used, and applied hot with rubber soln. |
| CN101691468A (en) * | 2009-09-21 | 2010-04-07 | 哈尔滨化研化工有限责任公司 | Method of preparing chemical milling protective colloid |
| CN105316675A (en) * | 2015-11-20 | 2016-02-10 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for coating chemical milling protection adhesive film during chemical milling |
| CN110551460A (en) * | 2019-10-12 | 2019-12-10 | 湖南省和祥润新材料有限公司 | preparation method of environment-friendly pressure-sensitive adhesive material |
-
2020
- 2020-08-04 CN CN202010770259.XA patent/CN111925750B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4000228A1 (en) * | 1990-01-05 | 1991-07-11 | Stahlgruber Gruber & Co Otto | Patch for repairing synthetic rubber - consists of uncured raw rubber like material to be repaired, kept between protective films until used, and applied hot with rubber soln. |
| CN101691468A (en) * | 2009-09-21 | 2010-04-07 | 哈尔滨化研化工有限责任公司 | Method of preparing chemical milling protective colloid |
| CN105316675A (en) * | 2015-11-20 | 2016-02-10 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for coating chemical milling protection adhesive film during chemical milling |
| CN110551460A (en) * | 2019-10-12 | 2019-12-10 | 湖南省和祥润新材料有限公司 | preparation method of environment-friendly pressure-sensitive adhesive material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111925750A (en) | 2020-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1935917B (en) | Bottom coating composition, and its preparing method and multilayer coat | |
| EP3114161B1 (en) | Photocurable epoxy resin systems | |
| US20190218417A1 (en) | Waterborne amino baking varnish and method for preparing the same | |
| CN105441001A (en) | High-performance adhesive for optical communication devices and preparation method thereof | |
| US20230348763A1 (en) | Uv-curable semi-structural adhesive, and uv-curable semi-structural adhesive tape | |
| CN111925750B (en) | Special repair glue with quick-drying property for chemical milling protective glue and preparation method thereof | |
| KR101638407B1 (en) | Acryl-based semi-matt powder coating composition with high transparency | |
| CN114133837B (en) | Water-based salt spray resistant amino primer and preparation method thereof | |
| CN101942285B (en) | Environment-friendly aqueous adhesive for electrochemical aluminum and preparation method thereof | |
| CN113637392A (en) | Flow coating epoxy primer and preparation method and application thereof | |
| CN111978914B (en) | UV-LED and moisture dual-curing three-proofing adhesive and preparation method thereof | |
| CN101265389B (en) | Vehicle paint and method for preparing polyester resin used for the same | |
| CN101735717B (en) | Waterborne ultra-fast dry mirror-back protective coating | |
| CN107446463B (en) | A kind of environment-friendly type aqueous motor casing paint special and preparation method thereof | |
| KR20210039207A (en) | Paint Composition | |
| CN110105826A (en) | A kind of novel high polymer waterproof material | |
| CN110684398B (en) | PVC furniture film/ASA plastic film water-based composite ink and preparation method thereof | |
| KR20080056405A (en) | Paint composition for a glass and method of manufacturing a paint for a glass using the same | |
| EP3794082B1 (en) | Film lamination inks | |
| JP2000086970A (en) | Colored composition having cationic polymerizability | |
| CN109504176A (en) | A kind of high adhesion force printing ink and high adhesion force print ink preparation method | |
| CN102977708A (en) | Water-soluble stoving varnish suitable for craft glass products and preparation method thereof | |
| CN108360294B (en) | Fireproof flame-retardant water-based paint for paper products and preparation method thereof | |
| CN116396667B (en) | Green waterproof coating and preparation method thereof | |
| JP3861881B2 (en) | Display coating composition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |