CN108662285A - A kind of selfreparing push pipe - Google Patents

A kind of selfreparing push pipe Download PDF

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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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CN
China
Prior art keywords
parts
selfreparing
push pipe
epoxy resin
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810681079.7A
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Chinese (zh)
Inventor
沈传雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Jin Hui Yuxiong Construction Engineering Co Ltd
Original Assignee
Chengdu Jin Hui Yuxiong Construction Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chengdu Jin Hui Yuxiong Construction Engineering Co Ltd filed Critical Chengdu Jin Hui Yuxiong Construction Engineering Co Ltd
Priority to CN201810681079.7A priority Critical patent/CN108662285A/en
Publication of CN108662285A publication Critical patent/CN108662285A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/024Laying or reclaiming pipes on land, e.g. above the ground
    • F16L1/028Laying 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

A kind of selfreparing push pipe
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.
CN201810681079.7A 2018-06-27 2018-06-27 A kind of selfreparing push pipe Pending CN108662285A (en)

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Application Number Priority Date Filing Date Title
CN201810681079.7A CN108662285A (en) 2018-06-27 2018-06-27 A kind of selfreparing push pipe

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030013551A1 (en) * 2001-06-22 2003-01-16 Harris Kevin M. Golf ball compositions with microencapsulated healing agent
US20050241934A1 (en) * 2004-04-28 2005-11-03 Valerie Sauvant-Moynot Self-repairing structure and coating for corrosive medium
CN101153108A (en) * 2007-08-30 2008-04-02 中山大学 Self-repaired polyalcohol composite material at room temperature
KR20130051127A (en) * 2011-11-09 2013-05-20 엘지이노텍 주식회사 Self-healing material comprising microcapsule, method for self-healing using the same
CN107088389A (en) * 2017-05-26 2017-08-25 天津工业大学 A kind of two-component capsule and preparation method thereof
CN107141433A (en) * 2017-05-18 2017-09-08 成都市新筑路桥机械股份有限公司 A kind of preparation method of microcapsules polyurethane premix
CN107202223A (en) * 2017-06-23 2017-09-26 成都金玉雄辉建筑工程有限公司 Anti-corrosion push pipe
CN107216774A (en) * 2017-07-19 2017-09-29 陕西延长石油(集团)有限责任公司研究院 A kind of magnetic anti-corrosion self-healing coatings and its application in the erosion of oil gas field casing tube anti-corrosive

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030013551A1 (en) * 2001-06-22 2003-01-16 Harris Kevin M. Golf ball compositions with microencapsulated healing agent
US20050241934A1 (en) * 2004-04-28 2005-11-03 Valerie Sauvant-Moynot Self-repairing structure and coating for corrosive medium
CN101153108A (en) * 2007-08-30 2008-04-02 中山大学 Self-repaired polyalcohol composite material at room temperature
KR20130051127A (en) * 2011-11-09 2013-05-20 엘지이노텍 주식회사 Self-healing material comprising microcapsule, method for self-healing using the same
CN107141433A (en) * 2017-05-18 2017-09-08 成都市新筑路桥机械股份有限公司 A kind of preparation method of microcapsules polyurethane premix
CN107088389A (en) * 2017-05-26 2017-08-25 天津工业大学 A kind of two-component capsule and preparation method thereof
CN107202223A (en) * 2017-06-23 2017-09-26 成都金玉雄辉建筑工程有限公司 Anti-corrosion push pipe
CN107216774A (en) * 2017-07-19 2017-09-29 陕西延长石油(集团)有限责任公司研究院 A kind of magnetic anti-corrosion self-healing coatings and its application in the erosion of oil gas field casing tube anti-corrosive

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
S.R. WHITE: "《Autonomic healing of polymer composites》", 《NATURE》 *

Cited By (2)

* Cited by examiner, † Cited by third party
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
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