CN106281172B - Bi-component adhesive and preparation method thereof - Google Patents
Bi-component adhesive and preparation method thereof Download PDFInfo
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- CN106281172B CN106281172B CN201610817459.XA CN201610817459A CN106281172B CN 106281172 B CN106281172 B CN 106281172B CN 201610817459 A CN201610817459 A CN 201610817459A CN 106281172 B CN106281172 B CN 106281172B
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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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/44—Amides
- C08G59/46—Amides together with other curing agents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/62—Alcohols or phenols
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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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
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a bi-component adhesive and a preparation method thereof, belonging to the technical field of adhesives. The adhesive comprises a component A and a component B, wherein the component A comprises the following components in parts by weight: 30-35 parts of polyamide resin, 4-5.5 parts of benzyl alcohol, 100-132 parts of calcite powder and 3-5.5 parts of coupling agent; the component B comprises the following components in parts by weight: 80-100 parts of epoxy resin, 6-8.5 parts of benzyl alcohol, 18-29 parts of aluminum hydroxide and 2-4.4 parts of accelerator; the component A and the component B are stored separately, and when in use, the component A: the component B is mixed and used according to the weight ratio of 1-8: 1. According to the invention, through screening of the components of the adhesive and the component proportion, the adhesive strength is effectively improved, so that the adhesive has the advantages of oil resistance, high temperature resistance, aging resistance and the like, and the service life of the filter is effectively prolonged; the preparation method has the advantages of simple process, convenient operation, cleanness and environmental protection.
Description
Technical Field
The invention relates to the technical field of adhesives, in particular to a bi-component adhesive and a preparation method thereof.
Background
The air filter, the oil filter and the oil-gas separation filter are important accessories for filtering impurities in air and engine oil and separating oil-gas mixture when the air compressor is used, so that economic indexes, power indexes, reliability and emission indexes of the air compressor can be normally exerted. With the improvement of the use efficiency of the air compressor and the gradual implementation of the emission regulation, the technical progress of the air compressor puts new and higher requirements on filter products, and the importance of the filter matched with the air compressor is increasingly shown. When the unqualified product of original filtration efficiency is used then can not effectively filter the dust impurity that gets into the air compressor machine, can not effectively separate the oil and the gas in the air compressor machine, can cause the invalid operation of air compressor machine, the oil leak oil leakage shortens life, even brews the accident. One of the main reasons for the filter being unqualified is that the gluing process in production is not well mastered, and particularly, the quality of the adhesive is poor, so that the filter paper and the end cover cannot be kept in a sealed state, impurities and engine oil flow through gaps, and the product is scrapped or even accidents are caused. There is an urgent need to develop more durable and stronger adhesives. The adhesive used in the filter industry at present has various defects and shortcomings in the aspects of high bonding strength, oil resistance, high temperature resistance, aging resistance, no stimulation and the like: or the curing strength can be achieved only by heating; or the bonding strength can not reach the service life of the product; or too brittle to age and crack to cause seal failure; the existence of irritating odor … … in any case is inconvenient in use and undesirable in adhesion, and can affect the quality and public praise of the filter product.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a bi-component adhesive and a preparation method thereof, and the adhesive has the advantages of effectively improving the bonding strength by screening the components and the component proportion of the adhesive, enabling the adhesive to have the advantages of oil resistance, high temperature resistance, aging resistance and the like, and effectively prolonging the service life of a filter; the preparation method disclosed by the invention is simple in process, convenient to operate, clean and environment-friendly.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a two-component adhesive comprising component A and component B, wherein,
the component A comprises the following components in parts by weight: 30-35 parts of polyamide resin, 4-5.5 parts of benzyl alcohol, 100-132 parts of calcite powder and 3-5.5 parts of coupling agent;
the component B comprises the following components in parts by weight: 80-100 parts of epoxy resin, 6-8.5 parts of benzyl alcohol, 18-29 parts of aluminum hydroxide and 2-4.4 parts of accelerator;
the component A and the component B are stored separately, and when in use, the component A: the component B is mixed and used according to the weight ratio of 1-8: 1.
As a preferred embodiment of the present invention, the adhesive comprises component a and component B, wherein,
the component A comprises the following components in parts by weight: 30-33 parts of polyamide resin, 4-4.5 parts of benzyl alcohol, 125 parts of calcite powder and 3-4 parts of coupling agent;
the component B comprises the following components in parts by weight: 85-95 parts of epoxy resin, 6-7.5 parts of benzyl alcohol, 18-29 parts of aluminum hydroxide and 2-3.5 parts of accelerator;
the component A and the component B are stored separately, and when in use, the component A: the component B is used by blending according to the weight ratio of 2-6: 1.
As a further preferred embodiment of the present invention, the adhesive comprises component a and component B, wherein,
the component A comprises the following components in parts by weight: 30 parts of polyamide resin, 4 parts of benzyl alcohol, 100 parts of calcite powder and 3 parts of coupling agent;
the component B comprises the following components in parts by weight: 85 parts of epoxy resin, 6 parts of benzyl alcohol, 22 parts of aluminum hydroxide and 2 parts of an accelerant;
the component A and the component B are stored separately, and when in use, the component A: the component B is used by blending according to the weight ratio of 2: 1.
Specifically, the coupling agent is selected from one or a mixture of more than two of KH-550, KH-570 and KBM-903.
Specifically, the accelerator is selected from one or a mixture of two of Z612 and K-54.
The invention also provides a preparation method of the two-component adhesive, which comprises the following steps:
a. preparation of component A: respectively weighing polyamide resin and benzyl alcohol according to the formula amount, uniformly mixing, heating to 40-60 ℃, adding calcite powder according to the formula amount, and stirring for reaction for 30-90 min; then adding the coupling agent in the formula amount, and continuously stirring for 10-15 min;
b. preparing a component B: weighing the epoxy resin and the benzyl alcohol according to the prescription amount, uniformly mixing, heating to 40-60 ℃, adding the aluminum hydroxide according to the prescription amount, and stirring for reaction for 30-90 min; then adding the accelerator according to the prescription amount, and continuously stirring for 10-15 min;
c. and respectively subpackaging the component A and the component B and storing at normal temperature for later use.
Preferably, the optimal temperature for heating in step a is 50 ℃.
Preferably, the optimal temperature for heating in step b is 50 ℃.
The invention also provides the use of a two-component adhesive as described above in the manufacture of a filter.
When the adhesive is applied to the manufacture of a filter, the component A and the component B are respectively placed in an A, B charging bucket of a glue injection machine, the temperature of the charging bucket is kept at 20-50 ℃, the components A and B are uniformly mixed through a static mixing tube according to the weight ratio of 1-8: 1 by a static mixing and gluing process, then the mixture is poured on the inner surface of an end cover of a filter element of the filter, the leveling is carried out, filter paper is inserted when the viscosity is increased, a glue layer is formed between the end cover and the filter paper, the gelling time is 30-80min, and the mixture is cured for 5-20h at room temperature.
Compared with the prior art, the invention has the beneficial effects that:
the polyamide resin adopted by the invention is a curing agent which is screened out by repeated tests by an inventor and has strong heat resistance, flame retardance and wetting power, and is matched with other auxiliary agents according to a scientific proportion, so that the adhesive is fully diffused on the surface of a bonding object, Brownian motion is promoted, and when polar groups or chain links of two interfaces are close to each other and reach a distance of 5-10 angstroms, an optimal attraction force and a maximum stable state are formed, thereby achieving the effects of enhancing the wetting performance, greatly improving the bonding strength and resisting oil and high temperature. According to the invention, through screening the components of the adhesive and the component proportion, the bonding strength of the adhesive is effectively improved, so that the adhesive has the advantages of oil resistance, high temperature resistance, aging resistance and the like, after the adhesive is applied to a filter, the service life of the filter is prolonged from conventional 4000-6000 hours to 6000-8000 hours, and the service life of the filter is effectively prolonged; the preparation method disclosed by the invention is simple in process, convenient to operate, clean and environment-friendly.
The adhesive is not only suitable for a filter, but also can be used for bonding and compounding materials such as metal, plastic, rubber, glass, ceramics and the like.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
Example 1:
a two-component adhesive comprising component A and component B, wherein,
the component A comprises the following components in parts by weight: 30 parts of polyamide resin, 4 parts of benzyl alcohol, 100 parts of calcite powder and KH-5503 parts of coupling agent; the component B comprises the following components in parts by weight: 85 parts of epoxy resin, 6 parts of benzyl alcohol, 22 parts of aluminum hydroxide and 6122 parts of accelerator Z;
the component A and the component B are stored separately, and when in use, the component A: the component B is used by blending according to the weight ratio of 2: 1.
The preparation method of the adhesive comprises the following steps:
a. preparation of component A: respectively weighing polyamide resin and benzyl alcohol according to the prescription amount, uniformly mixing, heating to 50 ℃, adding calcite powder according to the prescription amount, and stirring to react for 60 min; then adding the coupling agent with the prescription amount, and continuing stirring for 13 min;
b. preparing a component B: weighing the epoxy resin and the benzyl alcohol according to the prescription amount, uniformly mixing, heating to 50 ℃, adding the aluminum hydroxide according to the prescription amount, and stirring for reacting for 60 min; then adding the accelerator with the prescription amount, and continuing stirring for 13 min;
c. and respectively subpackaging the component A and the component B and storing at normal temperature for later use.
When the adhesive is practically applied to the manufacture of a filter, the component A and the component B are respectively placed in an A, B charging bucket of an adhesive injection machine, the temperature of the charging bucket is kept at 30 ℃, the components A and B are uniformly mixed through a static mixing pipe according to the weight ratio of 2:1 by a static mixing and sizing process, then the mixture is poured on the inner surface of an end cover of a filter element of the filter, the leveling is carried out, filter paper is inserted when the viscosity is increased, a glue layer is formed between the end cover and the filter paper, the gelling time is 60min, and the mixture is cured for 10h at room temperature.
Example 2:
a two-component adhesive comprising component A and component B, wherein,
the component A comprises the following components in parts by weight: 35 parts of polyamide resin, 6 parts of benzyl alcohol, 130 parts of calcite powder and KH-5705 parts of coupling agent; the component B comprises the following components in parts by weight: 100 parts of epoxy resin, 7 parts of benzyl alcohol, 27 parts of aluminum hydroxide and K-544.2 parts of an accelerant;
the component A and the component B are stored separately, and when in use, the component A: the component B is used by mixing according to the weight ratio of 3: 1.
The preparation method of the adhesive comprises the following steps:
a. preparation of component A: respectively weighing polyamide resin and benzyl alcohol according to the prescription amount, uniformly mixing, heating to 40 ℃, adding calcite powder according to the prescription amount, and stirring to react for 30 min; then adding the coupling agent with the prescription amount, and continuing stirring for 15 min;
b. preparing a component B: weighing the epoxy resin and the benzyl alcohol according to the prescription amount, uniformly mixing, heating to 40 ℃, adding the aluminum hydroxide according to the prescription amount, and stirring for reaction for 30 min; then adding the accelerator with the prescription amount, and continuing stirring for 15 min;
c. and respectively subpackaging the component A and the component B and storing at normal temperature for later use.
When the adhesive is practically applied to the manufacture of a filter, the component A and the component B are respectively placed in an A, B charging bucket of an adhesive injection machine, the temperature of the charging bucket is kept at 45 ℃, the components A and B are uniformly mixed through a static mixing pipe according to the weight ratio of 3:1 by a static mixing and sizing process, then the mixture is poured on the inner surface of an end cover of a filter element of the filter, the leveling is carried out, filter paper is inserted when the viscosity is increased, a glue layer is formed between the end cover and the filter paper, the gelling time is 80min, and the glue layer is cured for 8h at room temperature.
Example 3:
a two-component adhesive comprising component A and component B, wherein,
the component A comprises the following components in parts by weight: 33 parts of polyamide resin, 5 parts of benzyl alcohol, 125 parts of calcite powder and 34 parts of coupling agent KBM-90; the component B comprises the following components in parts by weight: 95 parts of epoxy resin, 6 parts of benzyl alcohol, 25 parts of aluminum hydroxide and 6123.5 parts of accelerator Z;
the component A and the component B are stored separately, and when in use, the component A: the component B is used by mixing with the weight ratio of 4: 1.
The preparation method of the adhesive comprises the following steps:
a. preparation of component A: respectively weighing polyamide resin and benzyl alcohol according to the prescription amount, uniformly mixing, heating to 60 ℃, adding calcite powder according to the prescription amount, and stirring to react for 90 min; then adding the coupling agent with the prescription amount, and continuing stirring for 10 min;
b. preparing a component B: weighing the epoxy resin and the benzyl alcohol according to the prescription amount, uniformly mixing, heating to 60 ℃, adding the aluminum hydroxide according to the prescription amount, and stirring for reacting for 90 min; then adding the accelerator with the prescription amount, and continuing stirring for 10 min;
c. and respectively subpackaging the component A and the component B and storing at normal temperature for later use.
When the adhesive is practically applied to the manufacture of a filter, the component A and the component B are respectively placed in an A, B charging bucket of an adhesive injection machine, the temperature of the charging bucket is kept at 25 ℃, the components A and B are uniformly mixed through a static mixing pipe according to the weight ratio of 4:1 by a static mixing and sizing process, then the mixture is poured on the inner surface of an end cover of a filter element of the filter, the leveling is carried out, filter paper is inserted when the viscosity is increased, a glue layer is formed between the end cover and the filter paper, the gelling time is 30min, and the mixture is cured at room temperature for 18 h.
Adhesive performance test:
the adhesives prepared in the embodiments 1-3 of the invention are respectively used for manufacturing a filter, and a bonding strength experiment, an oil resistance experiment, a high temperature resistance experiment and an aging resistance experiment are carried out on the adhesives and the filter, and the results are shown in the following table:
TABLE 1 results of the Performance test of examples 1 to 3
The above experiments show that: the high temperature resistance of the adhesive can reach more than 100 ℃, and the temperature requirement of the filter using environment is completely met and higher; the bonding strength also completely meets and is higher than the performance requirement of the filter; the adhesive has the advantages of oil resistance, high temperature resistance, aging resistance and the like, and after the adhesive is applied to a filter, the service life of the filter is prolonged from conventional 4000-6000 hours to 6000-8000 hours, so that the service life of the filter is effectively prolonged.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (8)
1. A two-part adhesive characterized by: the adhesive comprises a component A and a component B, wherein,
the component A comprises the following components in parts by weight: 30-35 parts of polyamide resin, 4-5.5 parts of benzyl alcohol, 100-132 parts of calcite powder and 3-5.5 parts of coupling agent;
the component B comprises the following components in parts by weight: 80-100 parts of epoxy resin, 6-8.5 parts of benzyl alcohol, 18-29 parts of aluminum hydroxide and 2-4.4 parts of accelerator; wherein the accelerator is K-54;
the component A and the component B are stored separately, and when in use, the component A: the component B is mixed and used according to the weight ratio of 1-8: 1.
2. The two-component adhesive of claim 1, wherein: the adhesive comprises a component A and a component B, wherein,
the component A comprises the following components in parts by weight: 30-33 parts of polyamide resin, 4-4.5 parts of benzyl alcohol, 125 parts of calcite powder and 3-4 parts of coupling agent;
the component B comprises the following components in parts by weight: 85-95 parts of epoxy resin, 6-7.5 parts of benzyl alcohol, 18-29 parts of aluminum hydroxide and 2-3.5 parts of accelerator;
the component A and the component B are stored separately, and when in use, the component A: the component B is used by blending according to the weight ratio of 2-6: 1.
3. The two-component adhesive according to claim 1 or 2, characterized in that: the adhesive comprises a component A and a component B, wherein,
the component A comprises the following components in parts by weight: 30 parts of polyamide resin, 4 parts of benzyl alcohol, 100 parts of calcite powder and 3 parts of coupling agent;
the component B comprises the following components in parts by weight: 85 parts of epoxy resin, 6 parts of benzyl alcohol, 22 parts of aluminum hydroxide and 2 parts of an accelerant;
the component A and the component B are stored separately, and when in use, the component A: the component B is used by blending according to the weight ratio of 2: 1.
4. The two-component adhesive according to claim 1 or 2, characterized in that: the coupling agent is selected from one or a mixture of more than two of KH-550, KH-570 and KBM-903.
5. A process for preparing a two-component adhesive according to claim 1 or 2, characterized in that: the method comprises the following steps:
a. preparation of component A: respectively weighing polyamide resin and benzyl alcohol according to the formula amount, uniformly mixing, heating to 40-60 ℃, adding calcite powder according to the formula amount, and stirring for reaction for 30-90 min; then adding the coupling agent in the formula amount, and continuously stirring for 10-15 min;
b. preparing a component B: weighing the epoxy resin and the benzyl alcohol according to the prescription amount, uniformly mixing, heating to 40-60 ℃, adding the aluminum hydroxide according to the prescription amount, and stirring for reaction for 30-90 min; then adding the accelerator according to the prescription amount, and continuously stirring for 10-15 min;
c. and respectively subpackaging the component A and the component B and storing at normal temperature for later use.
6. The method of claim 5, wherein: the temperature of heating in the step a is 50 ℃.
7. The method of claim 5, wherein: the temperature of heating in the step b is 50 ℃.
8. Use of a two-component adhesive according to claim 1 or 2 in the manufacture of a filter, characterized in that: respectively placing the component A and the component B in an A, B charging bucket of a glue injection machine, keeping the temperature of the charging bucket at 20-50 ℃, uniformly mixing the component A and the component B through a static mixing tube according to the weight ratio of 1-8: 1 by a static mixing glue applying process, pouring the mixture on the inner surface of an end cover of a filter element of a filter, leveling, inserting filter paper when tackifying is carried out, forming a glue layer between the end cover and the filter paper, carrying out gel time of 30-80min, and curing at room temperature for 5-20 h.
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| CN111732922A (en) * | 2020-07-15 | 2020-10-02 | 凯碧塑胶制品（惠州）有限公司 | Epoxy resin adhesive and application method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1690154A (en) * | 2004-04-28 | 2005-11-02 | 陈惠� | Double component adhesive for double-ply board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1690154A (en) * | 2004-04-28 | 2005-11-02 | 陈惠� | Double component adhesive for double-ply board |
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| Title |
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| 粘修农机具的粘合胶;辽宁化工编辑部;《辽宁化工》;19761027(第5期);第65页 * |
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