CN110564353A - Metal composite water-based adhesive for sound wave attenuation and preparation method thereof - Google Patents
Metal composite water-based adhesive for sound wave attenuation and preparation method thereof Download PDFInfo
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- CN110564353A CN110564353A CN201910751593.8A CN201910751593A CN110564353A CN 110564353 A CN110564353 A CN 110564353A CN 201910751593 A CN201910751593 A CN 201910751593A CN 110564353 A CN110564353 A CN 110564353A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/32—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
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- 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
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- 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
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- 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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/06—Polyurethanes from polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/22—Expandable microspheres, e.g. Expancel®
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/06—Polyurethanes from polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2433/14—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The application discloses a metal composite water-based adhesive for sound wave attenuation and a preparation method thereof, wherein the metal composite water-based adhesive comprises an adhesive component and a curing agent; the adhesive component comprises the following raw materials in percentage by mass: 60-70% of water-based polyurethane resin, 5-10% of water-based epoxy resin, 10-15% of hydroxyl acrylic resin emulsion, 0.3-0.5% of wetting agent, 0.4-0.6% of flatting agent, 0.2-0.4% of defoaming agent, 0.1-0.15% of thickening agent, 0.2-0.3% of drying regulator, 0.5-1% of foaming agent and 10-15% of deionized water. The metal composite water-based adhesive disclosed by the invention has the advantages that the raw materials supplement each other, so that the final product not only has extremely strong adhesive force and bonding strength, but also has the functions of sound wave attenuation and noise isolation.
Description
Technical Field
The application relates to a metal composite water-based adhesive for sound wave attenuation and a preparation method thereof.
Background
In various industries such as aviation, military, automobiles, traffic and the like, a metal-metal bonding composite process exists, so that a metal product is lightened, sound insulation and noise reduction are realized, and particularly, in a closed space with relatively high external noise, after the noise conducted outside through metal is attenuated by a binder layer, the intensity of sound waves is reduced, so that the auditory system of internal personnel is protected, and the driving comfort is improved.
With the increasing importance of the country and the society on green and environmental protection, the solvent-based adhesive is gradually replaced by the environment-friendly water-based adhesive, and the water-based adhesive is inevitably developed towards the water-based direction in the field of metal composite adhesives due to the advantages of the water-based adhesive in the aspects of energy conservation and emission reduction. At present, the metal composite adhesive is mainly a solvent type product, the main film forming material resin of the metal composite adhesive contains a large amount of solvents, such as benzene series, dimethyl formamide and the like, and the solvents cause a large amount of VOC emission, pollute the atmosphere and cause serious physiological toxicity to production and use personnel. Since water and organic solvents have great differences in surface tension, dissolving power, drying property and the like, and water-based adhesives and solvent-based adhesives have great differences in initial adhesion, cohesive strength and use process, the problems in the aspect of metal composite adhesives are inevitably solved by water-based adhesives.
disclosure of Invention
The main purpose of the present application is to provide a metal composite aqueous adhesive having sufficient adhesive strength and also having the function of reducing noise transmitted from the outside through a metal plate, and a preparation method thereof.
In order to achieve the above object, the present application provides the following technical solutions:
A metal composite aqueous adhesive for acoustic wave attenuation comprising an adhesive component and a curing agent; the adhesive component comprises the following raw materials in percentage by mass: 60-70% of water-based polyurethane resin, 5-10% of water-based epoxy resin, 10-15% of hydroxyl acrylic resin emulsion, 0.3-0.5% of wetting agent, 0.4-0.6% of flatting agent, 0.2-0.4% of defoaming agent, 0.1-0.15% of thickening agent, 0.2-0.3% of drying regulator, 0.5-1% of foaming agent and 10-15% of deionized water.
further, the curing agent is an anionic or non-ionic water-dispersible hexamethylene diisocyanate trimer, preferably an anionic water-dispersible hexamethylene diisocyanate trimer.
Further, the aqueous polyurethane resin is a polyester type aqueous polyurethane resin, preferably containing a polyester polyol having a molecular weight of 1000 to 3000 and an aqueous aliphatic diisocyanate copolymerized dispersion, the polyester polyol is preferably an adipic acid-1, 4-butanediol polyol having a molecular weight of 1000 to 3000, a neopentyl glycol adipate polyol, an adipic acid-1, 6-hexanediol polyol, a polycaprolactone polyol and a combination thereof, more preferably an adipic acid-1, 6-hexanediol polyol, a polycaprolactone polyol and a combination thereof having a molecular weight of 2000 to 3000; the aliphatic diisocyanate is preferably isophorone diisocyanate, hexamethylene diisocyanate, hydrogenated diphenylmethane diisocyanate, or a combination thereof, and more preferably a combination of isophorone diisocyanate and hexamethylene diisocyanate. The waterborne polyurethane resin provides better initial viscosity, tensile strength and peel strength for the adhesive.
further, the aqueous epoxy resin is bisphenol A type aqueous epoxy dispersion, preferably bisphenol A type aqueous epoxy dispersion with a softening point of 50-100 ℃, more preferably bisphenol A type aqueous epoxy dispersion with a softening point of 80-90 ℃; the epoxy resin provides better adhesion and peel strength to the adhesive.
Further, the hydroxy acrylic resin emulsion is a copolymer emulsion of methyl methacrylate, butyl acrylate, butyl methacrylate, isooctyl acrylate, hydroxyethyl acrylate and hydroxyethyl methacrylate, preferably a hydroxy acrylic emulsion having a hydroxyl group content (in solid parts) of 2.0 to 4.0% and having a glass transition temperature of 40 to 45 ℃, more preferably a hydroxy acrylic emulsion having a hydroxyl group content (in solid parts) of 3 to 3.5% and having a glass transition temperature of 40 to 45 ℃. The hydroxy acrylic resin emulsion enhances the adhesion and peel strength of the adhesive.
Further, the wetting agent is a polyether modified silicone wetting agent; the leveling agent is polyether modified organic silicon leveling agent; the defoaming agent is an alkynediol molecular defoaming agent; the thickening agent is a polyurethane associative thickening agent; the drying regulator is ethylene glycol, propylene glycol and their composition.
The foaming agent is a plastic microsphere foaming agent, preferably a plastic microsphere foaming agent with a foaming temperature of 160-220 ℃, more preferably a plastic microsphere foaming agent with a foaming temperature of 170-200 ℃, and most preferably a plastic microsphere foaming agent with a foaming temperature of 180-190 ℃.
Further, the solid content of the aqueous polyurethane resin is 50%; the solid content of the waterborne epoxy resin is 55 percent; the solid content of the hydroxy acrylic resin emulsion is 45%.
Specifically, when the adhesive is used, the ratio of the curing agent to the adhesive component is 1:5-10 by mass.
Preferably, the adhesive component comprises the following raw materials in percentage by mass: 68% of waterborne polyurethane resin, 10% of waterborne epoxy resin, 10% of hydroxyl acrylic resin emulsion, 0.3% of wetting agent, 0.5% of flatting agent, 0.3% of defoaming agent, 0.1% of thickening agent, 0.3% of drying regulator, 0.5% of foaming agent and 10% of deionized water.
A method of preparing a metal composite aqueous adhesive for acoustic wave attenuation comprising the preparation of an adhesive component:
Respectively adding waterborne polyurethane resin, waterborne epoxy resin and hydroxyl acrylic resin emulsion into an adhesive preparation kettle, continuously stirring for 5-10 minutes, respectively adding a wetting agent, a flatting agent, a defoaming agent, a drying agent, a foaming agent and water under the stirring of 500rpm, and stirring for 20-30 minutes;
Increasing the rotation speed to 750rpm, gradually adding the thickening agent, simultaneously monitoring the viscosity change, stopping adding the thickening agent after adjusting the viscosity to 4000-5000mPa.s, continuing stirring for 18-23 minutes, and filtering through 200-mesh filter cloth to obtain the adhesive component.
The invention has the beneficial effects that:
The metal composite water-based adhesive disclosed by the invention has the advantages that the raw materials supplement each other, so that the final product not only has extremely strong adhesive force and bonding strength, but also has the functions of sound wave attenuation and noise isolation.
Detailed Description
In order to make the technical solutions in the embodiments of the present application better understood, the technical solutions in the embodiments of the present application are clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present application, not all 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 application.
The present application will be described in detail with reference to examples.
Example 1
A metal composite water-based adhesive for sound wave attenuation consists of an adhesive component and a curing agent; the adhesive component is prepared from the following raw materials: 680kg of waterborne polyurethane resin with 50 percent of solid content, 100kg of waterborne epoxy resin with 55 percent of solid content, 100kg of hydroxy acrylic resin emulsion with 45 percent of solid content, 3kg of wetting agent, 5kg of flatting agent, 3kg of defoaming agent, 1kg of thickening agent, 3kg of drying regulator, 5kg of foaming agent and 100kg of deionized water.
The specific preparation method of the adhesive component is as follows:
respectively adding waterborne polyurethane resin, waterborne epoxy resin and hydroxyl acrylic resin emulsion into an adhesive preparation kettle, continuously stirring for 5-10 minutes, respectively adding a wetting agent, a flatting agent, a defoaming agent, a drying agent, a foaming agent and water under the stirring of 500rpm, and stirring for 20-30 minutes;
Increasing the rotation speed to 750rpm, gradually adding the thickening agent, simultaneously monitoring the viscosity change, stopping adding the thickening agent after adjusting the viscosity to 4000-5000mPa.s, continuing stirring for 18-23 minutes, and filtering through 200-mesh filter cloth to obtain the adhesive component.
The adhesive using method comprises the following steps:
weighing the adhesive component prepared by the method, slowly adding a curing agent accounting for 15 percent (mass percent) of the adhesive component under the low-speed stirring of a dispersion machine, continuously stirring for 5 minutes, stopping stirring, and filtering by 80-mesh filter cloth to obtain the adhesive composition.
The specific selection of the raw materials is as follows: the waterborne polyurethane resin is a copolymerized water dispersion of polyester polyol containing molecular weight 2000 and aliphatic diisocyanate, the waterborne epoxy resin is bisphenol A waterborne epoxy dispersion with a softening point of 80 ℃, the hydroxy acrylic resin emulsion is a copolymer emulsion of methyl methacrylate, butyl acrylate, butyl methacrylate, isooctyl acrylate, hydroxyethyl acrylate and hydroxyethyl methacrylate, the wetting agent is a polyether modified organic silicon wetting agent, the leveling agent is a polyether modified organic silicon leveling agent, the defoaming agent is an acetylene glycol molecular defoaming agent, the thickening agent is a polyurethane associated thickening agent, the drying regulator is ethanol, propylene glycol and a composition thereof, the foaming agent is a plastic microsphere foaming agent with a foaming temperature of 185 ℃, and the curing agent is an anionic water dispersible hexamethylene diisocyanate trimer.
It is worth explaining that the metal composite water-based adhesive disclosed by the invention has the functions of sound wave attenuation and noise isolation on the premise of ensuring the original extremely high bonding strength of the adhesive, so that the auditory system of people is protected, and the metal composite water-based adhesive can be better suitable for various industries such as aviation, military, automobiles and traffic.
Example 2
A metal composite water-based adhesive for sound wave attenuation consists of an adhesive component and a curing agent; the adhesive component is prepared from the following raw materials: 600kg of waterborne polyurethane resin with 50 percent of solid content, 100kg of waterborne epoxy resin with 55 percent of solid content, 150kg of hydroxyl acrylic resin emulsion with 45 percent of solid content, 5kg of wetting agent, 6kg of flatting agent, 3.5kg of defoaming agent, 1.5kg of thickening agent, 3kg of drying regulator, 10kg of foaming agent and 121kg of deionized water. The preparation method of the composite adhesive is the same as that of example 1. Wherein the mass ratio of the curing agent to the adhesive component is 1: 7.
The specific selection of the raw materials is as follows: the waterborne polyurethane resin is a copolymer aqueous dispersion of polyester polyol containing 3000 molecular weight and aliphatic diisocyanate, the waterborne epoxy resin is bisphenol A type waterborne epoxy dispersion with a softening point of 90 ℃, the hydroxy acrylic resin emulsion is a copolymer emulsion of methyl methacrylate, butyl acrylate, butyl methacrylate, isooctyl acrylate, hydroxyethyl acrylate and hydroxyethyl methacrylate, the wetting agent is a polyether modified organic silicon wetting agent, the leveling agent is a polyether modified organic silicon leveling agent, the defoaming agent is an acetylene glycol molecular defoaming agent, the thickening agent is a polyurethane associated thickening agent, the drying regulator is ethanol, propylene glycol and a composition thereof, the foaming agent is a plastic microsphere foaming agent with a foaming temperature of 180 ℃, and the curing agent is anionic water dispersible hexamethylene diisocyanate trimer.
Example 3
A metal composite water-based adhesive for sound wave attenuation consists of an adhesive component and a curing agent; the adhesive component is prepared from the following raw materials: 700kg of waterborne polyurethane resin with 50 percent of solid content, 50kg of waterborne epoxy resin with 55 percent of solid content, 100kg of hydroxyl acrylic resin emulsion with 45 percent of solid content, 3kg of wetting agent, 4kg of flatting agent, 2kg of defoaming agent, 1kg of thickening agent, 2kg of drying regulator, 5kg of foaming agent and 133kg of deionized water. The preparation method of the composite adhesive is the same as that of example 1. When the adhesive is used, the mass ratio of the curing agent to the adhesive component is 1: 8.
The specific selection of the raw materials is as follows: the waterborne polyurethane resin is a copolymer aqueous dispersion containing polyester polyol with the molecular weight of 1000 and aliphatic diisocyanate, the waterborne epoxy resin is bisphenol A type waterborne epoxy dispersion with the softening point of 85 ℃, the hydroxyl acrylic resin emulsion is copolymer emulsion of methyl methacrylate, butyl acrylate, butyl methacrylate, isooctyl acrylate, hydroxyethyl acrylate and hydroxyethyl methacrylate, the wetting agent is polyether modified organic silicon wetting agent, the leveling agent is polyether modified organic silicon leveling agent, the defoaming agent is acetylene glycol molecular defoaming agent, the thickening agent is polyurethane associated thickening agent, the drying regulator is ethanol, propylene glycol and a composition thereof, the foaming agent is a plastic microsphere foaming agent with the foaming temperature of 190 ℃, and the curing agent is anionic water dispersible hexamethylene diisocyanate trimer.
Example 4
a metal composite water-based adhesive for sound wave attenuation consists of an adhesive component and a curing agent; the adhesive component is prepared from the following raw materials: 650kg of waterborne polyurethane resin with 50 percent of solid content, 60kg of waterborne epoxy resin with 55 percent of solid content, 120kg of hydroxyl acrylic resin emulsion with 45 percent of solid content, 4kg of wetting agent, 5kg of flatting agent, 3kg of defoaming agent, 1.5kg of thickening agent, 2.5kg of drying regulator, 7kg of foaming agent and 147kg of deionized water. The preparation method of the composite adhesive is the same as that of example 1. When the adhesive is used, the mass ratio of the curing agent to the adhesive component is 1: 6.
Example 5
A metal composite water-based adhesive for sound wave attenuation consists of an adhesive component and a curing agent; the adhesive component is prepared from the following raw materials: 630kg of waterborne polyurethane resin with 50 percent of solid content, 80kg of waterborne epoxy resin with 55 percent of solid content, 140kg of hydroxyl acrylic resin emulsion with 45 percent of solid content, 4.5kg of wetting agent, 4.5kg of flatting agent, 3.5kg of defoaming agent, 1.2kg of thickening agent, 2.8kg of drying regulator, 7.5kg of foaming agent and 126kg of deionized water. The preparation method of the composite adhesive is the same as that of example 1. When the adhesive is used, the mass ratio of the curing agent to the adhesive component is 1: 9.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. a metal composite aqueous adhesive for acoustic wave attenuation comprising an adhesive component and a curing agent; the adhesive is characterized by comprising the following raw materials in percentage by mass: 60-70% of water-based polyurethane resin, 5-10% of water-based epoxy resin, 10-15% of hydroxyl acrylic resin emulsion, 0.3-0.5% of wetting agent, 0.4-0.6% of flatting agent, 0.2-0.4% of defoaming agent, 0.1-0.15% of thickening agent, 0.2-0.3% of drying regulator, 0.5-1% of foaming agent and 10-15% of deionized water.
2. The aqueous metal composite binder for sound wave attenuation of claim 1, wherein the curing agent is an anionic or non-ionic water dispersible hexamethylene diisocyanate trimer.
3. the metal composite aqueous adhesive for sound wave attenuation according to claim 1, wherein the aqueous polyurethane resin is a polyester type aqueous polyurethane resin.
4. The metal composite aqueous adhesive for sound wave attenuation according to claim 1, wherein the aqueous epoxy resin is a bisphenol a type aqueous epoxy dispersion.
5. The metal composite aqueous adhesive for sound wave attenuation of claim 1, wherein the hydroxy acrylic resin emulsion is a copolymer emulsion of methyl methacrylate, butyl acrylate, butyl methacrylate, isooctyl acrylate, hydroxyethyl acrylate and hydroxyethyl methacrylate.
6. The aqueous metal composite binder for sound wave attenuation of claim 1, wherein the wetting agent is a polyether modified silicone based wetting agent; the leveling agent is polyether modified organic silicon leveling agent; the defoaming agent is an alkynediol molecular defoaming agent; the thickening agent is a polyurethane associative thickening agent; the drying regulator is ethylene glycol, propylene glycol and a composition thereof; the foaming agent is a plastic microsphere foaming agent.
7. The metal composite aqueous binder for sound wave attenuation of claim 1, wherein the solid content of the aqueous polyurethane resin is 50%; the solid content of the waterborne epoxy resin is 55 percent; the solid content of the hydroxy acrylic resin emulsion is 45%.
8. The metal composite aqueous adhesive for sound wave attenuation according to claim 1, wherein the ratio of the curing agent to the adhesive component is 1:5-10 by mass when used.
9. The metal composite aqueous binder for sound wave attenuation of claim 1, wherein the binder component comprises the following raw materials by mass percent: 68% of waterborne polyurethane resin, 10% of waterborne epoxy resin, 10% of hydroxyl acrylic resin emulsion, 0.3% of wetting agent, 0.5% of flatting agent, 0.3% of defoaming agent, 0.1% of thickening agent, 0.3% of drying regulator, 0.5% of foaming agent and 10% of deionized water.
10. A method for preparing a metal composite aqueous adhesive for acoustic wave attenuation, comprising the preparation of adhesive components:
Respectively adding waterborne polyurethane resin, waterborne epoxy resin and hydroxyl acrylic resin emulsion into an adhesive preparation kettle, continuously stirring for 5-10 minutes, respectively adding a wetting agent, a flatting agent, a defoaming agent, a drying agent, a foaming agent and water under the stirring of 500rpm, and stirring for 20-30 minutes;
Increasing the rotation speed to 750rpm, gradually adding the thickening agent, simultaneously monitoring the viscosity change, stopping adding the thickening agent after adjusting the viscosity to 4000-5000mPa.s, continuing stirring for 18-23 minutes, and filtering through 200-mesh filter cloth to obtain the adhesive component.
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| CN201910751593.8A CN110564353A (en) | 2019-08-13 | 2019-08-13 | Metal composite water-based adhesive for sound wave attenuation and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111286296A (en) * | 2020-02-13 | 2020-06-16 | 建滔（清远）玻璃纤维有限公司 | Adhesive composition for edge sealing of electronic cloth and preparation method thereof |
| CN112175551A (en) * | 2020-10-16 | 2021-01-05 | 苏州润德新材料有限公司 | Synthesis method of aqueous fluorocarbon modified acrylic polyurethane mixed glue |
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| CN101182406A (en) * | 2007-12-14 | 2008-05-21 | 华南理工大学 | Method for preparing multiple modified self-crosslinking aqueous polyurethane adhesive agent |
| CN101948564A (en) * | 2010-10-13 | 2011-01-19 | 中国科学院长春应用化学研究所 | Combination of modified polyurethane and aqueous polyurethane adhesive |
| CN106947424A (en) * | 2017-04-06 | 2017-07-14 | 无锡市赛易特化工有限公司 | A kind of senior strength adhesive of multipurpose and preparation method thereof |
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2019
- 2019-08-13 CN CN201910751593.8A patent/CN110564353A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63142078A (en) * | 1986-12-05 | 1988-06-14 | Aica Kogyo Co Ltd | Water-dispersed adhesive |
| CN101182406A (en) * | 2007-12-14 | 2008-05-21 | 华南理工大学 | Method for preparing multiple modified self-crosslinking aqueous polyurethane adhesive agent |
| CN101948564A (en) * | 2010-10-13 | 2011-01-19 | 中国科学院长春应用化学研究所 | Combination of modified polyurethane and aqueous polyurethane adhesive |
| CN106947424A (en) * | 2017-04-06 | 2017-07-14 | 无锡市赛易特化工有限公司 | A kind of senior strength adhesive of multipurpose and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111286296A (en) * | 2020-02-13 | 2020-06-16 | 建滔（清远）玻璃纤维有限公司 | Adhesive composition for edge sealing of electronic cloth and preparation method thereof |
| CN112175551A (en) * | 2020-10-16 | 2021-01-05 | 苏州润德新材料有限公司 | Synthesis method of aqueous fluorocarbon modified acrylic polyurethane mixed glue |
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Application publication date: 20191213 |
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