CN108662285A - A kind of selfreparing push pipe - Google Patents
A kind of selfreparing push pipe Download PDFInfo
- Publication number
- CN108662285A CN108662285A CN201810681079.7A CN201810681079A CN108662285A CN 108662285 A CN108662285 A CN 108662285A CN 201810681079 A CN201810681079 A CN 201810681079A CN 108662285 A CN108662285 A CN 108662285A
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- parts
- selfreparing
- push pipe
- epoxy resin
- layer
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The present invention relates to construction materials, and in particular to a kind of selfreparing push pipe.A kind of selfreparing push pipe, from outside to inside, set gradually external anti-corrosion layer, reconditioning layer, concrete layer, interior erosion resistant coating, the reconditioning layer includes epoxy resin-base, is scattered in epoxy resin-base repairing capsule, catalysis agent capsules include monomer cycle pentadiene dimer in the repairing capsule.Its reconditioning layer generation polymerisation generates polymer and is filled up to gap when push pipe of the present invention generates crack, forms selfreparing.
Description
Technical field
The present invention relates to construction materials, and in particular to a kind of selfreparing push pipe.
Background technology
Push pipe is buried in underground, and outer surface is in direct contact with soil for a long time, in soil containing a large amount of ion component with
And moisture, for a long time push pipe is caused to corrode, is easy that push pipe is made to generate crack, and these cracks are typically from the outside to the core,
It is not easily repaired.
Invention content
The purpose of the present invention is to provide a kind of selfreparing push pipe, solve when existing push pipe is generated crack by corrosion not
The problem of easily repairing.
In order to solve the above technical problems, the present invention uses following technical scheme:
A kind of selfreparing push pipe sets gradually external anti-corrosion layer, reconditioning layer, concrete layer, interior erosion resistant coating from outside to inside, described
Reconditioning layer include epoxy resin-base, the repairing capsule that is scattered in epoxy resin-base, catalysis agent capsules, described repaiies
It include monomer cycle pentadiene dimer in re-glue capsule.
External anti-corrosion layer is as the first line of defence, when external anti-corrosion layer is destroyed, fracture extension to reconditioning layer when reconditioning layer
Repairing capsule, catalysis agent capsules in epoxy resin matrix are destroyed, and release monomer cycle pentadiene dimer, catalyst,
Polymerisation generation polymer occurs to fill up gap, forms selfreparing.
Preferably, the catalyst is etherate of trifluoroboron.Etherate of trifluoroboron can realize lower temperature(5
To 25 DEG C)Quick catalysis, realize quickly repair.
Preferably, the capsule wall of the repairing capsule includes Lauxite, Epocryl.
Preferably, in parts by weight, the capsule wall includes 60~80 parts of Lauxite, epoxy acrylate
100~120 parts of resin.The capsule wall hardness of formation is moderate, and breakage also can be damaged in time when generating crack easily.
Preferably, the concrete layer is embedded with steel fibre net, the steel fibre net outer surface covers graphite linings.
Steel fibre net forms tension, prevents fracture extension, steel fibre net outer surface from covering graphite when generating crack under tension
Layer carries out anti-corrosion to steel fibre net, while convenient for the sliding between the ring knot of steel fibre net.
Preferably, the external anti-corrosion layer includes epoxy resin, acrylic acid, N, N- dimethylethanolamines, disappear at polyurethane
Infusion.With higher tensile strength, while playing the role of waterproof.
Preferably, according to the number of parts by weight, the external anti-corrosion layer include 6~10 parts of epoxy resin, acrylic acid 4~
6 parts, N, 4~8 parts of N- dimethylethanolamines, 11~15 parts of polyurethane, 1~2 part of antifoaming agent.
Preferably, according to the number of parts by weight, the external anti-corrosion layer includes 8 parts of epoxy resin, 4 parts of acrylic acid, N,
6 parts of N- dimethylethanolamines, 12 parts of polyurethane, 1.25 parts of antifoaming agent.
Compared with prior art, the present invention can at least generate a kind of following advantageous effect:When push pipe of the present invention generates crack
Polymerisation generation polymer, which occurs, for its reconditioning layer fills up gap, forms selfreparing;The present invention can be achieved compared with low temperature
Degree(5 to 25 DEG C)Quick catalysis, realize quickly repair;The capsule wall hardness of the present invention is moderate, not damaged easily also to produce
It is damaged in time when raw crack;Steel fibre net of the present invention forms tension, and fracture extension is prevented under tension when generating crack,
Steel fibre net outer surface covers graphite linings, carries out anti-corrosion to steel fibre net, while convenient for the sliding between the ring knot of steel fibre net;
External anti-corrosion layer of the present invention has higher tensile strength, while playing the role of waterproof.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, following embodiment is enumerated, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Embodiment 1:
A kind of selfreparing push pipe sets gradually external anti-corrosion layer, reconditioning layer, concrete layer, interior erosion resistant coating from outside to inside.
External anti-corrosion layer includes epoxy resin, acrylic acid, N, N- dimethylethanolamines, polyurethane, antifoaming agent.According to parts by weight
Number calculates, and external anti-corrosion layer includes 10 parts of epoxy resin, 4 parts of acrylic acid, N, 8 parts of N- dimethylethanolamines, 11 parts of polyurethane, defoaming
2 parts of agent.Interior erosion resistant coating is as external anti-corrosion layer material.
Reconditioning layer includes epoxy resin-base, is scattered in epoxy resin-base repairing capsule, catalysis agent capsules, institute
Include monomer cycle pentadiene dimer in the repairing capsule stated, includes etherate of trifluoroboron, repairing capsule in catalysis agent capsules
Capsule wall include Lauxite, Epocryl, parts by weight calculate, and the capsule wall includes Lauxite 60
Part, 100 parts of Epocryl.
External anti-corrosion layer has higher tensile strength, while playing the role of waterproof as the first line of defence.When outer anti-corrosion
Layer is destroyed, fracture extension to repairing capsule, the catalysis agent capsules quilt when reconditioning layer in reconditioning layer epoxy resin matrix
It destroys, releases monomer cycle pentadiene dimer, catalyst, polymerisation generation polymer occurs, gap is filled up, shape
At selfreparing.
Embodiment 2:
A kind of selfreparing push pipe sets gradually external anti-corrosion layer, reconditioning layer, concrete layer, interior erosion resistant coating from outside to inside.
External anti-corrosion layer includes epoxy resin, acrylic acid, N, N- dimethylethanolamines, polyurethane, antifoaming agent.According to parts by weight
Number calculates, and external anti-corrosion layer includes 6 parts of epoxy resin, 6 parts of acrylic acid, N, 4 parts of N- dimethylethanolamines, 15 parts of polyurethane, defoaming
1 part of agent.Interior erosion resistant coating is as external anti-corrosion layer material.
Reconditioning layer includes epoxy resin-base, is scattered in epoxy resin-base repairing capsule, catalysis agent capsules, institute
Include monomer cycle pentadiene dimer in the repairing capsule stated, includes etherate of trifluoroboron, repairing capsule in catalysis agent capsules
Capsule wall include Lauxite, Epocryl, parts by weight calculate, and the capsule wall includes Lauxite 60
Part, 100~part of Epocryl.
External anti-corrosion layer has higher tensile strength, while playing the role of waterproof as the first line of defence.When outer anti-corrosion
Layer is destroyed, fracture extension to repairing capsule, the catalysis agent capsules quilt when reconditioning layer in reconditioning layer epoxy resin matrix
It destroys, releases monomer cycle pentadiene dimer, catalyst, polymerisation generation polymer occurs, gap is filled up, shape
At selfreparing.
Embodiment 3:
A kind of selfreparing push pipe sets gradually external anti-corrosion layer, reconditioning layer, concrete layer, interior erosion resistant coating from outside to inside.
External anti-corrosion layer includes epoxy resin, acrylic acid, N, N- dimethylethanolamines, polyurethane, antifoaming agent.According to parts by weight
Number calculates, and external anti-corrosion layer includes 10 parts of epoxy resin, 6 parts of acrylic acid, N, 4 parts of N- dimethylethanolamines, 15 parts of polyurethane, defoaming
1 part of agent.Interior erosion resistant coating is as external anti-corrosion layer material.
Reconditioning layer includes epoxy resin-base, is scattered in epoxy resin-base repairing capsule, catalysis agent capsules, institute
Include monomer cycle pentadiene dimer in the repairing capsule stated, includes etherate of trifluoroboron, repairing capsule in catalysis agent capsules
Capsule wall include Lauxite, Epocryl, parts by weight calculate, and the capsule wall includes Lauxite 80
Part, 100 parts of Epocryl.
Concrete layer is embedded with steel fibre net, and the steel fibre net outer surface covers graphite linings.Steel fibre net, which is formed, to be opened
Power prevents fracture extension under tension when generating crack, and steel fibre net outer surface covers graphite linings, to steel fibre net into
Row anti-corrosion, while convenient for the sliding between the ring knot of steel fibre net.
External anti-corrosion layer has higher tensile strength, while playing the role of waterproof as the first line of defence.When outer anti-corrosion
Layer is destroyed, fracture extension to repairing capsule, the catalysis agent capsules quilt when reconditioning layer in reconditioning layer epoxy resin matrix
It destroys, releases monomer cycle pentadiene dimer, catalyst, polymerisation generation polymer occurs, gap is filled up, shape
At selfreparing.
Embodiment 4:
A kind of selfreparing push pipe sets gradually external anti-corrosion layer, reconditioning layer, concrete layer, interior erosion resistant coating from outside to inside.
External anti-corrosion layer includes epoxy resin, acrylic acid, N, N- dimethylethanolamines, polyurethane, antifoaming agent.According to parts by weight
Number calculates, and external anti-corrosion layer includes 6 parts of epoxy resin, 6 parts of acrylic acid, N, 4 parts of N- dimethylethanolamines, 15 parts of polyurethane, defoaming
2 parts of agent.Interior erosion resistant coating is as external anti-corrosion layer material.
Reconditioning layer includes epoxy resin-base, is scattered in epoxy resin-base repairing capsule, catalysis agent capsules, institute
Include monomer cycle pentadiene dimer in the repairing capsule stated, includes etherate of trifluoroboron, repairing capsule in catalysis agent capsules
Capsule wall include Lauxite, Epocryl, parts by weight calculate, and the capsule wall includes Lauxite 80
Part, 100 parts of Epocryl.
Concrete layer is embedded with steel fibre net, and the steel fibre net outer surface covers graphite linings.Steel fibre net, which is formed, to be opened
Power prevents fracture extension under tension when generating crack, and steel fibre net outer surface covers graphite linings, to steel fibre net into
Row anti-corrosion, while convenient for the sliding between the ring knot of steel fibre net.
External anti-corrosion layer has higher tensile strength, while playing the role of waterproof as the first line of defence.When outer anti-corrosion
Layer is destroyed, fracture extension to repairing capsule, the catalysis agent capsules quilt when reconditioning layer in reconditioning layer epoxy resin matrix
It destroys, releases monomer cycle pentadiene dimer, catalyst, polymerisation generation polymer occurs, gap is filled up, shape
At selfreparing.
Optimum embodiment:
A kind of selfreparing push pipe sets gradually external anti-corrosion layer, reconditioning layer, concrete layer, interior erosion resistant coating from outside to inside.
External anti-corrosion layer includes epoxy resin, acrylic acid, N, N- dimethylethanolamines, polyurethane, antifoaming agent.According to parts by weight
Number calculates, and external anti-corrosion layer includes 8 parts of epoxy resin, 4 parts of acrylic acid, N, 6 parts of N- dimethylethanolamines, 12 parts of polyurethane, defoaming
1.25 parts of agent.Interior erosion resistant coating is as external anti-corrosion layer material.
Reconditioning layer includes epoxy resin-base, is scattered in epoxy resin-base repairing capsule, catalysis agent capsules, institute
Include monomer cycle pentadiene dimer in the repairing capsule stated, includes etherate of trifluoroboron, repairing capsule in catalysis agent capsules
Capsule wall include Lauxite, Epocryl, parts by weight calculate, and the capsule wall includes Lauxite 65
Part, 110 parts of Epocryl.
Concrete layer is embedded with steel fibre net, and the steel fibre net outer surface covers graphite linings.Steel fibre net, which is formed, to be opened
Power prevents fracture extension under tension when generating crack, and steel fibre net outer surface covers graphite linings, to steel fibre net into
Row anti-corrosion, while convenient for the sliding between the ring knot of steel fibre net.
External anti-corrosion layer has higher tensile strength, while playing the role of waterproof as the first line of defence.When outer anti-corrosion
Layer is destroyed, fracture extension to repairing capsule, the catalysis agent capsules quilt when reconditioning layer in reconditioning layer epoxy resin matrix
It destroys, releases monomer cycle pentadiene dimer, catalyst, polymerisation generation polymer occurs, gap is filled up, shape
At selfreparing.
Multiple explanatory embodiments spoken of in the present specification refer to the specific method packet for combining embodiment description
It includes at least one embodiment that the application generality describes.It is not certain that statement of the same race, which occur, in multiple places in the description
Refer to the same embodiment.Furthermore, it is understood that when describing a method in conjunction with any one embodiment, what is advocated is to combine
Other embodiment realizes that this method is fallen within the scope of the present invention.
Claims (8)
1. a kind of selfreparing push pipe, it is characterised in that:From outside to inside, set gradually external anti-corrosion layer, reconditioning layer, concrete layer,
Interior erosion resistant coating, the reconditioning layer includes epoxy resin-base, the repairing capsule, the catalyst that are scattered in epoxy resin-base
Capsule includes monomer cycle pentadiene dimer in the repairing capsule.
2. a kind of selfreparing push pipe according to claim 1, it is characterised in that:The catalyst is that boron trifluoride closes second
Ether.
3. a kind of selfreparing push pipe according to claim 1, it is characterised in that:The capsule wall of the repairing capsule includes
Lauxite, Epocryl.
4. a kind of selfreparing push pipe according to claim 3, it is characterised in that:In parts by weight, the capsule
Wall includes 60~80 parts of Lauxite, 100~120 parts of Epocryl.
5. a kind of selfreparing push pipe according to claim 1, it is characterised in that:The concrete layer is embedded with steel fibre
Net, the steel fibre net outer surface cover graphite linings.
6. a kind of selfreparing push pipe according to claim 1, it is characterised in that:The external anti-corrosion layer includes asphalt mixtures modified by epoxy resin
Fat, acrylic acid, N, N- dimethylethanolamines, polyurethane, antifoaming agent.
7. a kind of selfreparing push pipe according to claim 6, it is characterised in that:According to the number of parts by weight, described outer
Erosion resistant coating includes 6~10 parts of epoxy resin, 4~6 parts of acrylic acid, N, 4~8 parts of N- dimethylethanolamines, 11~15 parts of polyurethane,
1~2 part of antifoaming agent.
8. a kind of selfreparing push pipe according to claim 7, it is characterised in that:According to the number of parts by weight, described outer
Erosion resistant coating includes 8 parts of epoxy resin, 4 parts of acrylic acid, N, 6 parts of N- dimethylethanolamines, 12 parts of polyurethane, 1.25 parts of antifoaming agent.
Priority Applications (1)
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CN201810681079.7A CN108662285A (en) | 2018-06-27 | 2018-06-27 | A kind of selfreparing push pipe |
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CN201810681079.7A CN108662285A (en) | 2018-06-27 | 2018-06-27 | A kind of selfreparing push pipe |
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CN108662285A true CN108662285A (en) | 2018-10-16 |
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CN201810681079.7A Pending CN108662285A (en) | 2018-06-27 | 2018-06-27 | A kind of selfreparing push pipe |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110734530A (en) * | 2019-11-12 | 2020-01-31 | 东莞市米儿塑胶原料有限公司 | modified polyurethane fabric resin and preparation method thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110734530A (en) * | 2019-11-12 | 2020-01-31 | 东莞市米儿塑胶原料有限公司 | modified polyurethane fabric resin and preparation method thereof |
CN110734530B (en) * | 2019-11-12 | 2021-06-15 | 东莞市米儿塑胶原料有限公司 | Modified polyurethane fabric resin and preparation method thereof |
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Application publication date: 20181016 |