CN110964471A - Magnetism-increasing adhesive and preparation method thereof - Google Patents
Magnetism-increasing adhesive and preparation method thereof Download PDFInfo
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- CN110964471A CN110964471A CN201911387770.5A CN201911387770A CN110964471A CN 110964471 A CN110964471 A CN 110964471A CN 201911387770 A CN201911387770 A CN 201911387770A CN 110964471 A CN110964471 A CN 110964471A
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- magnetism
- glue
- antioxidant
- ferromagnetic powder
- adhesive according
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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
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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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
- C09J11/04—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
- 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
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0856—Iron
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0862—Nickel
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to the technical field of magnetic conduction glue, and discloses a magnetism-increasing adhesive which comprises glue and ferromagnetic powder. The invention can realize the magnetic conductivity of the glue and improve the oxidation resistance, the weather resistance, the shearing strength, the uneven tearing strength and the mechanical property of the glue.
Description
Technical Field
The invention relates to the technical field of magnetic conduction glue, in particular to a magnetism-increasing adhesive and a preparation method thereof. Background
Adhesives are articles frequently used in daily life and in industrial production, by means of whichViscosity ofTwo separate materials can be joined together, typically in three forms, solid, liquid and paste, with the liquid being most commonly used. With the progress of the process, people have higher and higher requirements on the volume and the performance of electronic products, and compared with the traditional methods such as screw connection and the like, the connection method of glue has the advantages of small occupied area and simple process, so that the glue is more and more paid attention.
Generally speaking, the stronger the magnetism of speaker, its volume and tone quality just are better, therefore to magnet and T iron and punch holder's magnetic conductivity requirement higher and higher, in the production process of speaker, generally need use glue to carry out fixed bonding with magnet and T iron and punch holder, ordinary glue does not possess the magnetic conductivity, is zero to the speaker help in the reinforcing magnetism, consequently, needs one kind to possess the magnetic conductivity, can strengthen the magnetic binder of speaker.
Disclosure of Invention
The invention aims to provide a magnetism-increasing adhesive for solving the problems that common glue in the prior art does not have magnetic permeability and has no help on enhancing the magnetism of a loudspeaker.
In order to achieve the purpose, the invention adopts the following technical scheme:
the magnetism-increasing adhesive comprises glue and ferromagnetic powder, wherein the glue and the ferromagnetic powder are mixed to prepare the adhesive.
Further, the coating also comprises an antioxidant, a diffusant, a plasticizer, a toughening agent and a curing agent.
Further, the glue, the ferromagnetic powder, the antioxidant, the diffusant, the plasticizer, the toughening agent and the curing agent respectively comprise the following components in parts by weight: 50-75 parts, 22-40 parts, 0.3-1 part, 0.1-0.2 part, 0.5-1 part, 2-3 parts and 0.5-1.5 parts.
Further, the glue is one or more of epoxy resin, silicon resin, modified epoxy resin, phenolic resin and polyimide.
Further, the ferromagnetic powder is one or more of iron powder, iron nickel, iron silicon chromium, iron silicon aluminum, carbonyl iron powder and amorphous or nanocrystalline alloy powder.
Further, the antioxidant is one of an antioxidant 1010, an antioxidant 1076 and an antioxidant 4010.
Further, the dispersing agent is sodium methylene dinaphthalene carbonate, and the plasticizer is one of dibutyl phthalate and triphenyl phosphate.
Further, the curing agent is one of polyurethane, aliphatic polyisocyanate and propylene carbonate.
Further, the toughening agent is one of low molecular weight polypeptide and polysulfide rubber.
The invention also provides a preparation method of the magnetism-increasing adhesive, which comprises the following steps:
s1: cleaning and degreasing the ferromagnetic powder;
s2: filtering to obtain ferromagnetic powder, and drying and magnetizing in a high-temperature magnetic field at the temperature of 200-300 ℃;
s3: adding the dried and magnetized ferromagnetic powder, glue, antioxidant, diffusant, plasticizer, toughening agent and curing agent according to a ratio, and stirring to obtain the adhesive.
Compared with the prior art, the invention provides a magnetism-increasing adhesive and a preparation method thereof, and the magnetism-increasing adhesive has the following beneficial effects:
1. this increase magnetism adhesive can increase the magnetic conductivity of glue through add the ferromagnetism powder in glue, and then makes the magnetic resistance between T iron and the magnet diminish, has strengthened the magnetism of speaker, and magnetism is stronger more, and the efficiency of speaker is just higher more, and under the condition that received power is the same, the loudness is big more, and the volume that bass effect can be better presents, has strengthened the tone quality of speaker.
2. After the ferromagnetic powder is added into the glue, the antioxidant, the dispersing agent, the plasticizer, the toughening agent and the curing agent are continuously added, so that the antioxidant property of the glue, the diffusion uniformity of the ferromagnetic powder in the glue, the weather resistance of the glue, the shear strength and the uneven tear strength of the glue and the mechanical property can be respectively improved.
The parts not involved in the device are the same as or can be realized by the prior art, and the invention can realize the magnetic conductivity of the glue and improve the oxidation resistance, the weather resistance, the shearing strength, the uneven tearing strength and the mechanical property of the glue.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example 1
The magnetism-increasing adhesive comprises glue and ferromagnetic powder, wherein the glue and the ferromagnetic powder are mixed to prepare the adhesive, and further comprises an antioxidant, a dispersing agent, a plasticizer, a toughening agent and a curing agent, wherein the glue, the ferromagnetic powder, the antioxidant, the dispersing agent, the plasticizer, the toughening agent and the curing agent respectively comprise the following components in parts by weight: the adhesive comprises, by weight, 50 parts, 40 parts, 1 part, 0.2 part, 1 part, 3 parts and 1.5 parts of glue, wherein the glue is epoxy resin, the ferromagnetic powder is iron powder and iron nickel powder, the particle size of the ferromagnetic powder is not more than 150 meshes when the adhesive is prepared, the antioxidant is one of antioxidant 1010, antioxidant 1076 and antioxidant 4010, the diffusant is methylene dinaphthalene sodium carbonate, the plasticizer is one of dibutyl phthalate and triphenyl phosphate, the curing agent is one of polyurethane, aliphatic polyisocyanate and propylene carbonate, and the toughening agent is one of low molecular weight polypeptide and polysulfide rubber.
Example 2
The magnetism-increasing adhesive comprises glue and ferromagnetic powder, wherein the glue and the ferromagnetic powder are mixed to prepare the adhesive, and further comprises an antioxidant, a dispersing agent, a plasticizer, a toughening agent and a curing agent, wherein the glue, the ferromagnetic powder, the antioxidant, the dispersing agent, the plasticizer, the toughening agent and the curing agent respectively comprise the following components in parts by weight: 70 parts, 25 parts, 0.5 part, 0.15 part, 0.5 part, 2.5 parts and 1.5 parts, wherein the glue is a mixture of silicon resin and modified epoxy resin, the ferromagnetic powder is a mixture of iron-silicon-chromium, iron-silicon-aluminum and carbonyl iron powder, when the adhesive is prepared, the granularity of the ferromagnetic powder is not more than 150 meshes, the antioxidant is an antioxidant 1010, the diffuser is sodium methylene dinaphthalene carbonate, the plasticizer is one of dibutyl phthalate and triphenyl phosphate, the curing agent is one of polyurethane, aliphatic polyisocyanate and propylene carbonate, and the toughening agent is one of low-molecular polypeptide and polysulfide rubber
The invention also provides a preparation method of the magnetism-increasing adhesive, which comprises the following steps:
s1: the ferromagnetic powder is cleaned and degreased, so that clean ferromagnetic powder can be obtained, and the influence on the performance of the adhesive caused by too many impurities doped in the process of manufacturing the adhesive is avoided;
s2: filtering to obtain ferromagnetic powder, drying and magnetizing in a high-temperature magnetic field of 200-300 ℃, wherein the ferromagnetic powder can be quickly dried under the high-temperature condition, and the weakening of the magnetism of the ferromagnetic powder can be avoided by the holding of the magnetic field;
s3: adding the dried and magnetized ferromagnetic powder, glue, antioxidant, diffusant, plasticizer, toughening agent and curing agent according to a ratio, and stirring to obtain the adhesive.
According to the invention, the magnetic conductivity of the glue can be increased by adding the ferromagnetic powder into the glue, the adhesive with the magnetic conductivity is used for fixedly bonding the magnet with the T iron and the upper clamping plate, so that the magnetic resistance between the T iron and the magnet is reduced, the magnetism of the loudspeaker is enhanced, the higher the magnetism is, the higher the efficiency of the loudspeaker is, and under the condition of the same received power, the higher the loudness is, the better the bass effect can be presented, and the tone quality of the loudspeaker is enhanced; the antioxidant, the diffusant, the plasticizer, the flexibilizer and the curing agent are continuously added, so that the antioxidant performance of the glue, the diffusion uniformity of the ferromagnetic powder in the glue, the weather resistance of the glue, the shear strength and the uneven tear strength of the glue and the mechanical performance can be respectively improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The magnetism-increasing adhesive is characterized by comprising glue and ferromagnetic powder, wherein the glue and the ferromagnetic powder are mixed to prepare the adhesive.
2. The magnetism-increasing adhesive according to claim 1, further comprising an antioxidant, a diffusing agent, a plasticizer, a toughening agent and a curing agent.
3. The magnetism-increasing adhesive according to claim 2, wherein the glue, the ferromagnetic powder, the antioxidant, the diffusant, the plasticizer, the toughening agent and the curing agent respectively comprise the following components in parts by weight: 50-75 parts, 22-40 parts, 0.3-1 part, 0.1-0.2 part, 0.5-1 part, 2-3 parts and 0.5-1.5 parts.
4. The magnetism-increasing adhesive according to claim 1, wherein the glue is one or more of epoxy resin, silicone resin, modified epoxy resin, phenolic resin and polyimide.
5. The magnetism-increasing adhesive according to claim 1, wherein the ferromagnetic powder is one or more of iron powder, iron nickel, iron silicon chromium, iron silicon aluminum, carbonyl iron powder, amorphous or nanocrystalline alloy powder.
6. The magnetism-increasing adhesive according to claim 2, wherein the antioxidant is one of an antioxidant 1010, an antioxidant 1076 and an antioxidant 4010.
7. The magnetism-increasing adhesive according to claim 2, wherein the diffusing agent is sodium methylene dinaphthalene carbonate, and the plasticizer is one of dibutyl phthalate and triphenyl phosphate.
8. The magnetism-increasing adhesive according to claim 2, wherein the curing agent is one of polyurethane, aliphatic polyisocyanate and propylene carbonate.
9. The magnetism-increasing adhesive according to claim 2, wherein the toughening agent is one of low molecular weight polypeptide and polysulfide rubber.
10. A method for preparing a magnetism-enhancing adhesive according to any one of claims 2 to 9, comprising the steps of:
s1: cleaning and degreasing the ferromagnetic powder;
s2: filtering to obtain ferromagnetic powder, and drying and magnetizing in a high-temperature magnetic field at the temperature of 200-300 ℃;
s3: adding the dried and magnetized ferromagnetic powder, glue, antioxidant, diffusant, plasticizer, toughening agent and curing agent according to a ratio, and stirring to obtain the adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911387770.5A CN110964471A (en) | 2019-12-30 | 2019-12-30 | Magnetism-increasing adhesive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911387770.5A CN110964471A (en) | 2019-12-30 | 2019-12-30 | Magnetism-increasing adhesive and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110964471A true CN110964471A (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911387770.5A Pending CN110964471A (en) | 2019-12-30 | 2019-12-30 | Magnetism-increasing adhesive and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116042152A (en) * | 2023-03-15 | 2023-05-02 | 深圳市艺感科技有限公司 | Magnetic composite resin glue |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102898976A (en) * | 2012-10-12 | 2013-01-30 | 西南石油大学 | Hot melt adhesive based on revulsive orientation of magnetic particles and preparation method of hot melt adhesive |
| CN104531002A (en) * | 2015-01-09 | 2015-04-22 | 沈阳理工大学 | Magnetic hot melt adhesive and preparing and using method thereof |
| CN109096972A (en) * | 2018-09-29 | 2018-12-28 | 沈阳建筑大学 | A kind of magnetic heat molten type epoxyn and its application |
| CN109796919A (en) * | 2018-12-25 | 2019-05-24 | 贵阳顺络迅达电子有限公司 | A kind of high magnetic property glue and preparation method thereof |
-
2019
- 2019-12-30 CN CN201911387770.5A patent/CN110964471A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102898976A (en) * | 2012-10-12 | 2013-01-30 | 西南石油大学 | Hot melt adhesive based on revulsive orientation of magnetic particles and preparation method of hot melt adhesive |
| CN104531002A (en) * | 2015-01-09 | 2015-04-22 | 沈阳理工大学 | Magnetic hot melt adhesive and preparing and using method thereof |
| CN109096972A (en) * | 2018-09-29 | 2018-12-28 | 沈阳建筑大学 | A kind of magnetic heat molten type epoxyn and its application |
| CN109796919A (en) * | 2018-12-25 | 2019-05-24 | 贵阳顺络迅达电子有限公司 | A kind of high magnetic property glue and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116042152A (en) * | 2023-03-15 | 2023-05-02 | 深圳市艺感科技有限公司 | Magnetic composite resin glue |
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