CN112280510B - Bar planting glue and preparation method thereof - Google Patents

Bar planting glue and preparation method thereof Download PDF

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Publication number
CN112280510B
CN112280510B CN202011079125.XA CN202011079125A CN112280510B CN 112280510 B CN112280510 B CN 112280510B CN 202011079125 A CN202011079125 A CN 202011079125A CN 112280510 B CN112280510 B CN 112280510B
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component
percent
stirring
bar
preparing
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CN112280510A (en
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庄士杰
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Zhejiang Ruite New Material Technology Co ltd
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Zhejiang Ruite New Material Technology Co ltd
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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
    • 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
    • C09J11/08—Macromolecular additives

Abstract

The invention discloses a bar planting adhesive which comprises the following components in percentage by mass: 20 to 30 percent of epoxy resin, 4.5 to 5.5 percent of reactive diluent, 9.5 to 10.8 percent of modified amine curing agent, 0.1 to 0.3 percent of defoaming agent and filler which is supplemented to 100 percent. The bar planting glue has no bubble, no impurity and high purity; the bar-planting adhesive obtained by the method can be filled by a mouth, so that the colloidal material in the packaging tube is ensured to be more full.

Description

Bar planting glue and preparation method thereof
Technical Field
The invention relates to the field of building materials, in particular to a bar planting adhesive and a preparation method thereof.
Background
The building bar-planting glue is used in various building engineering, and has the application of planting and rooting of steel bars and bolts in base materials, post-anchoring of structural members, post-anchoring of equipment foundation bolts and the like, and also has the application of increasing the connection of new and old concrete in hydraulic structure dam bodies.
Because the construction environment has ground, wall, top etc. just requires the bar planting state to be the paste that is difficult to trickle, and bar planting glue of traditional stirring preparation can have a large amount of bubbles, seriously influences product quality and stability of using, if carry out the defoaming treatment after the preparation is accomplished, can not reach the effect of defoaming again, influences final product quality.
There is a need for a non-impurity, non-bubble and high-purity bar-planting glue and a preparation method thereof to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides the bar planting glue and the preparation method thereof, and the bar planting glue has no bubbles, no impurities and high purity; the bar-planting adhesive obtained by the method can be filled by a mouth, so that the colloidal material in the packaging tube is ensured to be more full.
The invention solves the technical problems by the following technical scheme:
the invention provides a bar planting adhesive which comprises 10 parts of a component A and 3 parts of a component B, wherein the component A and the component B in single part comprise the following components in percentage by mass: 20 to 30 percent of epoxy resin, 4.5 to 5.5 percent of reactive diluent, 9.5 to 10.8 percent of modified amine curing agent, 0.1 to 0.3 percent of defoaming agent and filler which is supplemented to 100 percent.
In the invention, the epoxy resin is the epoxy resin which is conventional in the field and used for preparing the bar-planting glue;
preferably, the epoxy resin is E51 epoxy resin, the epoxy value of the E51 epoxy resin is 0.52-0.54, and the epoxy equivalent is 185-192.
In the present invention, the reactive diluent is conventional in the art;
preferably, the reactive diluent is one or more of benzyl glycidyl ether, phenyl glycidyl ether and butyl glycidyl ether.
In the present invention, the modified amine curing agent is conventional in the art;
preferably, the modified amine curing agent is one or more of phenolic amine and alicyclic amine.
In the present invention, the antifoaming agent is conventional in the art;
preferably, the defoamer is a polydimethylsiloxane silicone type defoamer.
In the present invention, the filler is conventional in the art;
preferably, the filler is 400-mesh silicon micropowder with the silicon dioxide content of more than 90%.
In the invention, preferably, the bar planting glue comprises 10 parts of component A and 3 parts of component B, wherein the component A and the component B comprise the following components in percentage by mass: 25 to 28 percent of epoxy resin, 4.8 to 5.3 percent of reactive diluent, 9.8 to 10.4 percent of modified amine curing agent, 0.1 to 0.2 percent of defoaming agent and filler which is supplemented to 100 percent.
In the invention, preferably, the bar-planting glue comprises 10 parts of a component A and 3 parts of a component B, wherein the component A and the component B in single part comprise the following components in percentage by mass: 28% of epoxy resin, 5% of reactive diluent, 10% of modified amine curing agent, 0.2% of defoaming agent and 56.8% of filler.
The invention also provides a preparation method of the bar planting glue, which comprises the following steps:
preparing a component A:
s1, adding epoxy resin and an active diluent into a high-speed dispersion stirrer, and stirring at a high speed of 750-850 r/min for 25-35 min;
s2, adding a part of filler, dispersing and stirring at a high speed for 50-70 min, wherein the content of the part of filler is 25% of the total content of the filler, and the stirring speed is 1100-1300 r/min;
and S3, adding part of defoaming agent, gradually adjusting the stirring speed to 30-50 r/min, starting a vacuum pump, pumping the high-speed dispersion machine to vacuum to-0.1 MP, stirring for 55-65 min, and defoaming the material, wherein the content of the part of defoaming agent is 25% of the total content of the defoaming agent.
Preparing a component B:
s1, adding a modified amine curing agent and the rest of filler into a high-speed dispersion stirrer, and stirring and dispersing for 55-65 min at a high speed of 900-1200 r/min;
s2, adding the rest defoaming agent, adjusting the stirring speed to 30-50 r/min, opening a vacuum pump to vacuumize the high-speed dispersion machine to-0.1 MP, stirring for 55-65 min, and defoaming the material;
when in use, 10 parts of the component A and 3 parts of the component B are mixed.
In the invention, in the process of preparing the component A, the stirring time is 30min and the stirring speed is 800r/min in S1.
In the invention, in the process of preparing the component A, the stirring time is 60min and the stirring speed is 1200r/min in S2.
In the invention, in the process of preparing the component A, the stirring speed is 40r/min and the stirring time is 60min in S3.
In the invention, in the process of preparing the component B, the stirring time is 60min and the stirring speed is 1200r/min in S1.
In the invention, in the process of preparing the component B, the stirring time is 60min and the stirring speed is 40r/min in S2.
The filling steps of the bar-planting adhesive of the invention are as follows: quantitatively filling by using an air cylinder; pressing the tail plug of the packing rubber tube to the top of the empty rubber tube; placing the packaging rubber tube on a filling station, wherein the mouth part of the rubber tube is aligned with a filling nozzle; injecting the material in the material cylinder into the packaging rubber tube through the filling nozzle by using the pressure of the pneumatic cylinder; and after filling, taking the glue down from the filling station, and screwing the sealing cover on the glue to finish the finished product.
The positive progress effect of the invention is as follows: the bar planting glue has no bubbles, no impurities and high purity; the bar-planting adhesive obtained by the method can be filled by a mouth, so that the adhesive material in the packaging tube is ensured to be more full.
Detailed Description
The following further describes embodiments of the present invention with reference to examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
The embodiment provides a bar planting glue, which comprises the following components: 28kg of epoxy resin, 5kg of reactive diluent, 10kg of modified amine curing agent, 0.2kg of defoamer and 56.8kg of filler.
Wherein the epoxy resin is E51 epoxy resin, the epoxy value of the E51 epoxy resin is 0.52-0.54, and the epoxy equivalent is 185-192;
the active diluent is benzyl glycidyl ether;
the modified amine curing agent is phenolic aldehyde amine;
the defoaming agent is polydimethylsiloxane organic silicon type defoaming agent;
the filler is 400-mesh silicon micropowder with the silicon dioxide content of more than 90 percent.
The embodiment also provides a preparation method of the bar-planting glue, which comprises the following steps:
preparing a component A:
s1, adding epoxy resin and reactive diluent into a high-speed dispersion stirrer, and stirring at a high speed of 800r/min for 30 min;
s2, adding 1/4 of filler, dispersing and stirring at a high speed for 60min, wherein the stirring speed is 1200r/min;
and S3, adding 1/4 of defoaming agent, gradually adjusting the stirring speed to 40r/min, starting a vacuum pump, pumping the high-speed dispersion machine to vacuum to-0.1 MP, stirring for 60min, and defoaming the material.
Preparing a component B:
s1, adding a modified amine curing agent and the rest of filler into a high-speed dispersion stirrer, and stirring and dispersing at a high speed of 1000r/min for 60 min;
and S2, adding the rest defoaming agent, adjusting the stirring speed to 40r/min, opening a vacuum pump to vacuumize the high-speed dispersion machine to-0.1 MP, stirring for 60min, and defoaming the materials.
The usage ratio of the bar-planting glue in this embodiment is 10 parts of the component A and 3 parts of the component B.
The product of the embodiment is detected, the detection items include the splitting tensile strength, the compressive strength, the bonding strength between the ribbed steel bar (or the full screw) and the concrete under the constraint drawing condition, the non-volatile content, the bending strength and the steel-to-steel tensile shear strength, and the specific detection data are shown in the following table 1:
table 1 effect of the product of example 1
Figure GDA0003684436610000061
Comparative example 1
The comparative example provides a bar planting adhesive and preparation thereof, wherein in the formula, the mass of the reactive diluent is 4.2kg, the mass of the filler is 57.6kg, other conditions are unchanged, the compressive strength of the product is 75MPa, and the tensile shear strength of the steel to the steel is 10.6MPa.
Comparative example 2
The comparative example provides a bar planting adhesive and preparation thereof, wherein in the formula, the type of the active diluent of the comparative example is benzyl alcohol, other conditions are unchanged, the compressive strength of the product is 56.7MPa, and the tensile shear strength of steel to steel is 6.4MPa.
The bar planting glue has no bubble, no impurity and high purity; the bar-planting adhesive obtained by the method can be filled by a mouth, so that the colloidal material in the packaging tube is ensured to be more full.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The bar planting adhesive is characterized by comprising 10 parts of a component A and 3 parts of a component B, wherein the component A and the component B comprise the following components in percentage by mass: 20 to 30 percent of epoxy resin, 4.5 to 5.5 percent of active diluent, 9.5 to 10.8 percent of modified amine curing agent, 0.1 to 0.3 percent of defoaming agent and filler which is supplemented to 100 percent; the reactive diluent is one or more of benzyl glycidyl ether, phenyl glycidyl ether and butyl glycidyl ether.
2. The bar-planting adhesive according to claim 1, wherein the epoxy resin is an E51 epoxy resin, the E51 epoxy resin has an epoxy value of 0.52 to 0.54 and an epoxy equivalent of 185 to 192;
and/or the modified amine curing agent is one or more of phenolic amine and alicyclic amine;
and/or the defoaming agent is a polydimethylsiloxane organosilicon type defoaming agent;
and/or the filler is 400-mesh silicon micropowder with the silicon dioxide content of more than 90 percent.
3. The bar-planting adhesive according to claim 1, wherein the bar-planting adhesive comprises 10 parts of a component A and 3 parts of a component B, wherein the component A and the component B comprise the following components in percentage by mass: 25 to 28 percent of epoxy resin, 4.8 to 5.3 percent of active diluent, 9.8 to 10.4 percent of modified amine curing agent, 0.1 to 0.2 percent of defoaming agent and filler which is supplemented to 100 percent.
4. The bar-planting adhesive according to claim 3, wherein the bar-planting adhesive comprises 10 parts of a component A and 3 parts of a component B, wherein the component A and the component B comprise the following components in percentage by mass: 28% of epoxy resin, 5% of reactive diluent, 10% of modified amine curing agent, 0.2% of defoaming agent and 56.8% of filler.
5. The preparation method of the tendon-planting adhesive as claimed in any one of claims 1 to 4, which is characterized by comprising the following steps:
preparing a component A:
s1, adding epoxy resin and an active diluent into a high-speed dispersion stirrer, and stirring at a high speed of 750-850 r/min for 25-35min;
s2, adding a part of filler, dispersing and stirring at a high speed for 50-70min, wherein the content of the part of filler is 25% of the total content of the filler, and the stirring speed is 1100-1300 r/min;
s3, adding part of defoaming agent, gradually adjusting the stirring speed to 30 to 50r/min, starting a vacuum pump, pumping a high-speed dispersion machine to vacuum to-0.1 MP, stirring for 55 to 65min, and defoaming the material, wherein the content of the part of defoaming agent is 25 percent of the total content of the defoaming agent;
preparing a component B:
s1, adding a modified amine curing agent and the rest of filler into a high-speed dispersion stirrer, and stirring and dispersing at a high speed of 55-65min at a stirring speed of 900-1200 r/min;
s2, adding the rest defoaming agent, adjusting the stirring speed to 30 to 50r/min, opening a vacuum pump to vacuumize the high-speed dispersion machine to-0.1 MP, stirring for 55 to 65min, and defoaming the material;
mixing 10 parts of component A and 3 parts of component B.
6. The method for preparing a bar-planting adhesive according to claim 5, wherein in the process of preparing the component A, the stirring time is 30min and the stirring speed is 800r/min in S1.
7. The method for preparing a bar-planting adhesive according to claim 5, wherein in the step of preparing the component A, the stirring time is 60min and the stirring speed is 1200r/min in the step S2.
8. The method for preparing a tendon-planting adhesive according to claim 5, wherein in the step of preparing the component A, the stirring speed is 40r/min and the stirring time is 60min in S3.
9. The method for preparing a bar-planting adhesive according to claim 5, wherein in the process of preparing the component B, the stirring time is 60min and the stirring speed is 1200r/min in S1.
10. The method for preparing a bar-planting adhesive according to claim 5, wherein in the step of preparing the component B, the stirring time is 60min and the stirring speed is 40r/min in S2.
CN202011079125.XA 2020-10-10 2020-10-10 Bar planting glue and preparation method thereof Active CN112280510B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5017632A (en) * 1989-12-14 1991-05-21 Rohm And Haas Company Water-based composites with superior cure in thick films, and chemical and shock resistance
CN101654606B (en) * 2009-10-20 2012-03-28 湖南固特邦土木技术发展有限公司 Epoxy adhesive and preparation method thereof
CN102211894B (en) * 2011-03-29 2013-01-23 长沙普照生化科技有限公司 Underwater solvent-free epoxy anchoring adhesive and preparation method thereof
CN102911632B (en) * 2012-11-12 2014-03-12 南京海拓复合材料有限责任公司 Epoxy anchoring adhesive for high speed railway embedded steel bar and preparation method thereof
CN106010406A (en) * 2016-06-02 2016-10-12 北京中德新亚建筑技术有限公司 Modified epoxy resin anchor adhesive with high strength and toughness
CN107513360A (en) * 2017-08-28 2017-12-26 如皋市康利化工有限公司 A kind of preparation method of macromolecular adhesive agent
CN107936891A (en) * 2017-11-30 2018-04-20 安徽坤大化学锚固有限公司 A kind of modified epoxy double-pipe injection type anchoring adhesive and preparation method thereof

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