CN109096972A - A kind of magnetic heat molten type epoxyn and its application - Google Patents
A kind of magnetic heat molten type epoxyn and its application Download PDFInfo
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- CN109096972A CN109096972A CN201811146489.8A CN201811146489A CN109096972A CN 109096972 A CN109096972 A CN 109096972A CN 201811146489 A CN201811146489 A CN 201811146489A CN 109096972 A CN109096972 A CN 109096972A
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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
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- 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
- C08K2003/0812—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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2275—Ferroso-ferric oxide (Fe3O4)
-
- 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
- C08K2201/01—Magnetic additives
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/53—Core-shell polymer
Abstract
Of the invention a kind of magnetic heat molten type epoxyn and its application, the magnetic heat molten type epoxyn each component include: 100 parts of epoxy resin, 50~100 parts of curing agent, 10~60 parts of additive, 10~30 parts of magnetic powder according to weight ratio.Using magnetic heat molten type epoxyn of the invention, it specifically can be applied and form wrapping layer in the anchor ring inner wall of strand tapered anchorage.Existing slow cohesion agent can also be replaced, is applied in slow-adhesion prestress steel strand.When needing to remove above structure, in the anchoring end regions for applying magnetic heat molten type epoxyn of the invention, apply alternating magnetic field, magnetic energy is switched to thermal energy by internal magnetic powder, so that temperature increases.After temperature reaches certain numerical value, epoxyn voluntarily melts, and realizes and is separated between anchorage and anchor cable intermediate plate, anchorage and prestress wire, and then completes to remove work.
Description
Technical field
The invention belongs to building material technical fields, and in particular to a kind of magnetic heat molten type epoxyn and its answer
With.
Background technique
With the fast development of China's building trade, no matter underground engineering or science of bridge building are required to take measures to base
The soil body progress cable bolting anchoring in hole, side slope.However, anchor cable need to carry out machine cuts after the completion of construction, so that construction
Period needs to consume a large amount of anchor cable and anchor head, not only increases engineering construction cost, but also disturbs to structures supporting larger.Such as
What makes anchor cable be easy to remove, and is a problem urgently to be resolved convenient for recycling.Existing clip type anchor head utilizes mechanical snap
Principle is anchored, but removes inconvenience.In addition, as China is increasing using vehicle, especially vehicle enlargement and overload
The destruction of the increase road pavement of vehicle is particularly acute, and road surface depression occurs, track, cracks, gathers around phenomena such as packet.At this stage for
Old pavement removes work and the punching of air drill machine is still used to remove the work such as waste residue at seam, excavator, load wagon.And in construction work
Underground steel strand wires cannot be extracted out in advance, seriously affect construction speed, not only required construction rapidly and efficiently the repairing of old road but also guaranteed to subtract
Small all kinds of pollutions become the project inquired into always.
Summary of the invention
In order to solve the above technical problems, the object of the present invention is to provide a kind of magnetic heat molten type epoxyn and its answering
With.
The present invention provides a kind of magnetic heat molten type epoxyn, includes following components according to weight ratio: epoxy resin
100 parts, 50~100 parts of curing agent, 10~60 parts of additive, 10~30 parts of magnetic powder.
In magnetic heat molten type epoxyn of the invention, the magnetic powder is manganese-zinc-ferrite powder or Fe3O4Powder
Body.
In magnetic heat molten type epoxyn of the invention, the epoxy resin component be bisphenol A type epoxy resin,
One of bisphenol f type epoxy resin and resorcinol type epoxy resin are a variety of.
In magnetic heat molten type epoxyn of the invention, the curing agent includes normal temperature cure agent, solidification promotion
Agent and agar.
In magnetic heat molten type epoxyn of the invention, the normal temperature cure agent is alicyclic polyamine, low molecule
One of polyamide and aliphatic polyamine curing agent are a variety of.
In magnetic heat molten type epoxyn of the invention, the curing accelerator includes tertiary amine, phosphorous triphenyl phosphate
One of rouge, salicylic acid and cresols are a variety of.
In magnetic heat molten type epoxyn of the invention, the additive includes filler, dispersing agent, toughener.
In magnetic heat molten type epoxyn of the invention, the filler is aluminium powder and talcum powder；The dispersing agent
For acrylate or polyurethane；The toughener is liquid nbr carboxyl terminal, nbr carboxyl terminal, core shell rubbers, gathers
Urethane rubber, isocyanate modified epoxy resin, dimer acid modified epoxy resin, polyethylene glycol, polypropylene glycol and polybutadiene
One of alcohol is a variety of.
A kind of magnetic heat molten type epoxyn of the invention is applied to high level, super high-rise building deep basal pit, tunnel etc.
Underground engineering support anchoring improves clip type anchor head, and specifically used is the inner wall formation wrapping layer for being applied to anchorage anchor ring, and is filled out
Gap between full intermediate plate and anchorage；When dismounting, apply alternating magnetic field at anchor head, the epoxyn inside anchorage can be certainly
Row is molten into liquid and flows out from anchor head, so that intermediate plate is separated with anchor ring, and then anchor cable loses stretching force, and can use and cast anchor
Head reduces the difficulty of Demolition Construction, reduces construction cost.
A kind of magnetic heat molten type epoxyn of the invention replaces existing slow cohesion agent, answers in advance applied to slow cohesion
In power steel strand wires, it is applied particularly to the oblique bond-retarded prestressed concrete road surface of assembled；When dismounting, to prestress wire anchor
Head applies alternating magnetic field, so that the magnetic heat molten type epoxyn between steel strand wires and outer coated sheath voluntarily melts,
Steel strand wires are separated with outer coated sheath, and then can separate anchorage with steel strand wires, complete remove work, and can realize anchor head,
The recycling of the components such as steel strand wires.
A kind of magnetic heat molten type epoxyn of the invention at least has the following beneficial effects:
Formula design of the invention is rationally, at low cost, preparation manipulation is simple.Magnetic heat molten type epoxy resin gluing of the invention
Agent is by addition magnetic powder component, when component needs to remove, applies alternating magnetic field, internal magnetic in the region periphery of anchor cable anchor head
Magnetic field energy is converted into thermal energy by powder, after the fusing point that epoxyn is reached with temperature, is voluntarily molten into liquid, from
It is flowed out in anchor head, so that intermediate plate is separated with anchorage, convenient for removing, save the cost reduces difficulty of construction, is suitable for promoting.
Magnetic heat molten type epoxyn of the invention also can replace existing slow cohesion agent, and it is pre- to be applied to slow cohesion
In prestress steel strand, it is particularly applicable in the oblique bond-retarded prestressed concrete road surface of assembled.When dismounting, to prestress steel
Twisted wire anchor head applies alternating magnetic field, so that the magnetic heat molten type epoxyn on prestress wire surface is voluntarily at anchored end
It is molten into liquid, steel strand wires are separated with outer coated sheath, and then can separate anchorage with steel strand wires, it not only removes easily and fast,
And the components such as anchor head, steel strand wires can also recycle.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described.
A kind of magnetic heat molten type epoxyn of the invention, includes following components according to weight ratio: epoxy resin 100
Part, 50~100 parts of curing agent, 10~60 parts of additive, 10~30 parts of magnetic powder.
The magnetic powder is manganese-zinc-ferrite powder or Fe3O4Powder.The epoxy resin component is bisphenol type epoxy tree
One of rouge, bisphenol f type epoxy resin and resorcinol type epoxy resin are a variety of.The curing agent includes normal temperature cure
Agent, curing accelerator and agar.The normal temperature cure agent is alicyclic polyamine, Versamid and aliphatic polyamine curing agent
One of or it is a variety of.The curing accelerator includes one of tertiary amine, triphenyl phosphite, salicylic acid and cresols or more
Kind.The additive includes filler, dispersing agent, toughener.The filler is aluminium powder and talcum powder；The dispersing agent is acrylic acid
Ester or polyurethane；The toughener be liquid nbr carboxyl terminal, nbr carboxyl terminal, core shell rubbers, polyurethane rubber,
One of isocyanate modified epoxy resin, dimer acid modified epoxy resin, polyethylene glycol, polypropylene glycol and polytetramethylene glycol
Or it is a variety of.
The preparation method of above-mentioned a kind of magnetic heat molten type epoxyn, comprising the following steps: cooperate according to each component
Than weighing, each component is added into the container with agitating device, when solidifying at normal temperature by the control of curing agent proportion
Between, principle is that curing agent accounting bigger curing time is shorter, finally obtains the magnetic heat molten type epoxyn prepared.
Below with reference to embodiment the present invention will be further explained explanation.
Embodiment 1
A kind of magnetic heat molten type epoxyn includes following component according to weight ratio: 100 parts of epoxy resin, solidification
50 parts of agent, 40 parts of additive, 10 parts of magnetic powder.
Wherein, epoxy resin selects bisphenol A-type E-51；Magnetic powder is manganese-zinc-ferrite powder；Normal temperature cure agent selects three kinds
Amine includes 4- amido -3- methyl ring ethyl, 300 polyamide, triethylene tetramine (proportion 2:2:1)；Curing accelerator
Select tertiary amine and salicylic acid；Normal temperature cure agent: curing accelerator=2:1.Filler in additive is aluminium powder and talcum powder totally 10
Part, dispersing agent are that acrylate or 10 parts of polyurethane, toughener select 20 parts of core shell rubbers type.
Embodiment 2
A kind of magnetic heat molten type epoxyn includes following component according to weight ratio: 100 parts of epoxy resin, solidification
75 parts of agent, 50 parts of additive, 20 parts of magnetic powder.
Wherein, epoxy resin selects bisphenol A-type E-51；Magnetic powder is manganese-zinc-ferrite powder；Normal temperature cure agent selects three kinds
Amine includes 4- amido -3- methyl ring ethyl, 300 polyamide, triethylene tetramine (proportion 2:1:2)；Curing accelerator
Select tertiary amine and salicylic acid；Normal temperature cure agent: curing accelerator=2:1.Filler in additive is aluminium powder and talcum powder totally 20
Part, dispersing agent are that acrylate or 10 parts of polyurethane, toughener select 20 parts of core shell rubbers type.
Embodiment 3
A kind of magnetic heat molten type epoxyn includes following component according to weight ratio: 100 parts of epoxy resin, solidification
100 parts of agent, 60 parts of additive, 30 parts of magnetic powder.
Wherein, epoxy resin selects resorcinol type E-81；Magnetic powder is Fe3O4Powder；Three kinds of amines are selected in normal temperature cure agent
It is each a kind of including 4- amido -3- methyl ring ethyl, 300 polyamide, triethylene tetramine (proportion 1:2:2)；Solidification promotes
Tertiary amine and salicylic acid are selected in agent；Normal temperature cure agent: curing accelerator=2:1.Filler is aluminium powder and talcum powder totally 20 in additive
Part, dispersing agent are that acrylate or 10 parts of polyurethane, toughener select 30 parts of core shell rubbers type.
Magnetic heat molten type epoxyn of the invention is applied to subterranean excavation and slope retaining concrete operations are as follows:
Step 1: it weighs according to 3 each component match ratio of embodiment, each component is added into the container with agitating device,
Under room temperature by curing agent proportion control curing time, finally obtain prepare have magnetic heat molten type epoxy resin gluing
Agent；
Step 2: carrying out anchor hole measuring work, slope construction is reinforced when digging, i.e. excavation level-one, level-one is protected, by anchor hole
The accurate measuring in position is in slope surface；
Step 3: carrying out anchor hole drilling construction, anchor hole cleaning is carried out after drilling；
Step 4: anchor cable and grout pipe being put into drilling simultaneously, and locating support is arranged every 1.5m in anchor cable；
Step 5: it is in the milk to the anchoring section of anchor cable, the other end of the anchor cable hole reserved from earth-retaining structure (or piling wall)
It is passed through in hole；
Step 6: jack and anchorage being installed in anchor cable free end, tensioning is carried out to anchor cable；
Step 7: by anchorage cable stretching to design value, and keeping this state, smear one layer of magnetic hot melt in the anchor ring inner wall of anchorage
Type epoxyn forms wrapping layer, after its cooling is fully cured, is anchored using anchorage and intermediate plate to anchor cable, by
The wrapping layer that magnetic heat molten type epoxyn is formed is filled in the gap between intermediate plate and anchorage, last sealing off and covering anchorage；
Step 8: when needing to remove component, application amplitude is 0.1T~1T at anchor head, frequency is 30Hz~60Hz
Alternating magnetic field so that the magnetic powder in the magnetic heat molten type epoxyn wrapping layer of anchor ring inner wall is arranged in, in magnetic field
Under effect, magnetic energy is converted into thermal energy, as temperature increases, wrapping layer is molten into liquid and flows out from anchor head, anchorage and steel strand wires
It is separated between intermediate plate, and then steel strand wires lose stretching force, is finally completed dismounting work.
Magnetic heat molten type epoxyn of the invention is applied to assembled bond-retarded prestressed concrete road surface, specifically
It operates as follows:
Step 1: it weighs according to 3 each component match ratio of embodiment, each component is added into the container with agitating device,
Under room temperature by curing agent proportion control curing time, finally obtain prepare have magnetic heat molten type epoxy resin gluing
Agent；
Step 2: magnetic heat molten type epoxyn being replaced into slow cohesion agent, be prefabricated in the factory retarded adhesive prestressed steel
Twisted wire, and then prefabricated oblique bond-retarded prestressed concrete road surface plate；
Step 3: when needing to repair using the old pavement of oblique bond-retarded prestressed concrete road surface plate, to corresponding road
Section steel strand wires anchor head at apply amplitude be 0.1T~1T, the alternating magnetic field that frequency is 30Hz~60Hz so that pre- at anchored end
The magnetic heat molten type epoxyn on prestress steel strand surface is voluntarily molten into liquid outflow, and steel strand wires mutually take off with outer coated sheath
From, and then anchorage can be separated with steel strand wires, and the components such as anchor head, steel strand wires are recycled；
Step 4: tissue excavator, load wagon clear up road surface waste residue；
Step 5: after completing cleaning work, one layer of CA mortar connection is first laid on being intended to the original sub-surface of construction section
Layer carries out levelling；
Step 6: the oblique bond-retarded prestressed concrete road surface plate of prefabrication being subjected to on-site consolidation, adjacent two
Concrete road surface plate seam crossing is laid with rubber fastening band, to prevent from seeping under surface water, after the completion of all plates are assembled, every
The reserved opening of the channel of a road surface plate enters slow-adhesion prestress steel strand prefabricated in step 2 to reinforced hole trace interpolation；
Step 7: whole slow-adhesion prestress steel strands deploy, and carry out tensioning to slow-adhesion prestress steel strand, then
Slow-adhesion prestress steel strand is anchored with anchor head, completes to be laid with work.
Magnetic powder component is added in magnetic heat molten type epoxyn of the present invention, is had it and is being added action of alternating magnetic field outside
Under, magnetic energy switchs to the characteristic of thermal energy.After reaching its fusing point with temperature, this epoxyn can voluntarily be molten into liquid.
The reaction speed of epoxy resin and curing agent can be improved in addition curing accelerator, and then influences curing time.
The purpose for adding agar is that the fusion temperature of epoxyn can be improved.
Filler is added, can inhibit epoxy resin film volume contraction, has and improves adhesive strength effect.
Toughener is added, its embrittlement can be prevented, increase its toughness.
It is applied using magnetic heat molten type epoxyn of the present invention and smears one layer in the anchor ring inner wall of strand tapered anchorage
Wrapping layer.When dismounting, for anchor head outside plus under action of alternating magnetic field, the epoxyn inside anchorage can voluntarily be molten into liquid
State is simultaneously flowed out from anchor head, so that intermediate plate is separated with anchorage, and then anchor cable loses stretching force, be can use lower anchorage, is completed to remove work
Make.Reduce the difficulty of Demolition Construction, reduces construction cost.
It is can also be applied to slow-adhesion prestress steel strand, replaces its internal slow cohesion agent with the present invention, specifically answers
For the oblique bond-retarded prestressed concrete road surface of assembled.When dismounting, apply alternating magnetic field at prestress wire anchor head,
So that magnetic heat molten type epoxyn is voluntarily molten into liquid outflow, steel strand wires are separated with outer coated sheath, and then can incite somebody to action
Anchorage is separated with steel strand wires, completes to remove work, and the components such as anchor head, steel strand wires are recycled.
The foregoing is merely presently preferred embodiments of the present invention, the thought being not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of magnetic heat molten type epoxyn, which is characterized in that according to weight ratio include following components: epoxy resin
100 parts, 50~100 parts of curing agent, 10~60 parts of additive, 10~30 parts of magnetic powder.
2. magnetic heat molten type epoxyn as described in claim 1, which is characterized in that the magnetic powder is manganese-zinc ferrite
Powder or Fe3O4Powder.
3. magnetic heat molten type epoxyn as described in claim 1, which is characterized in that the epoxy resin component is double
One of phenol A type epoxy resin, bisphenol f type epoxy resin and resorcinol type epoxy resin are a variety of.
4. magnetic heat molten type epoxyn as described in claim 1, which is characterized in that the curing agent includes that room temperature is solid
Agent, curing accelerator and agar.
5. magnetic heat molten type epoxyn as claimed in claim 4, which is characterized in that the normal temperature cure agent is alicyclic ring
One of race's polyamines, Versamid and aliphatic polyamine curing agent are a variety of.
6. magnetic heat molten type epoxyn as claimed in claim 4, which is characterized in that the curing accelerator includes uncle
One of amine, triphenyl phosphite, salicylic acid and cresols are a variety of.
7. magnetic heat molten type epoxyn as described in claim 1, which is characterized in that the additive include filler,
Dispersing agent, toughener.
8. magnetic heat molten type epoxyn as claimed in claim 7, which is characterized in that the filler is aluminium powder and talcum
Powder；The dispersing agent is acrylate or polyurethane；The toughener is liquid nbr carboxyl terminal, carboxyl end group butyronitrile rubber
Glue, core shell rubbers, polyurethane rubber, isocyanate modified epoxy resin, dimer acid modified epoxy resin, polyethylene glycol, poly- third
One of glycol and polytetramethylene glycol are a variety of.
9. being built as a kind of described in any item magnetic heat molten type epoxyns of claim 1-8 are applied to high-rise, Super High
It builds the anchoring of the underground engineering supports such as deep basal pit, tunnel and improves clip type anchor head, specifically used is the inner wall for being applied to anchorage anchor ring
Wrapping layer is formed, and fills up the gap between intermediate plate and anchorage；When dismounting, apply alternating magnetic field, the ring inside anchorage at anchor head
Oxygen resin adhesive can voluntarily be molten into liquid and flow out from anchor head, so that intermediate plate is separated with anchor ring, and then anchor cable loses and opens
Pulling force, and desirable lower anchor head, and then complete to remove work.
10. as a kind of described in any item magnetic heat molten type epoxyns of claim 1-8 replace existing slow cohesion agent,
Applied in slow-adhesion prestress steel strand, being applied particularly to the oblique bond-retarded prestressed concrete road surface of assembled；When dismounting,
Apply alternating magnetic field to prestress wire anchor head, so that the magnetic heat molten type epoxy resin between steel strand wires and outer coated sheath
Adhesive voluntarily melts, and steel strand wires are separated with outer coated sheath, and then can separate anchorage with steel strand wires, completes to remove work,
And anchor head and steel strand wires can be recycled.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110964471A (en) * | 2019-12-30 | 2020-04-07 | 广州合曼电子科技有限公司 | Magnetism-increasing adhesive and preparation method thereof |
| CN114045136A (en) * | 2021-11-15 | 2022-02-15 | 烟台德邦科技股份有限公司 | Flame-retardant bonding material capable of being cured in magnetic field and preparation method thereof |
| CN115368711A (en) * | 2022-08-11 | 2022-11-22 | 湖北航泰科技有限公司 | Strong magnetocaloric effect fast curing epoxy resin |
| CN115746502A (en) * | 2022-11-09 | 2023-03-07 | 华中科技大学 | Epoxy resin rapid curing and forming process based on electromagnetic induction heating |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110964471A (en) * | 2019-12-30 | 2020-04-07 | 广州合曼电子科技有限公司 | Magnetism-increasing adhesive and preparation method thereof |
| CN114045136A (en) * | 2021-11-15 | 2022-02-15 | 烟台德邦科技股份有限公司 | Flame-retardant bonding material capable of being cured in magnetic field and preparation method thereof |
| CN115368711A (en) * | 2022-08-11 | 2022-11-22 | 湖北航泰科技有限公司 | Strong magnetocaloric effect fast curing epoxy resin |
| CN115746502A (en) * | 2022-11-09 | 2023-03-07 | 华中科技大学 | Epoxy resin rapid curing and forming process based on electromagnetic induction heating |
| CN115746502B (en) * | 2022-11-09 | 2024-04-12 | 华中科技大学 | Quick curing and forming process for epoxy resin based on electromagnetic induction heating |
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