CN202054780U - Viscoelastic-body antiseptic adhesive tape - Google Patents
Viscoelastic-body antiseptic adhesive tape Download PDFInfo
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- CN202054780U CN202054780U CN2011201585813U CN201120158581U CN202054780U CN 202054780 U CN202054780 U CN 202054780U CN 2011201585813 U CN2011201585813 U CN 2011201585813U CN 201120158581 U CN201120158581 U CN 201120158581U CN 202054780 U CN202054780 U CN 202054780U
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Abstract
The utility model discloses a viscoelastic-body antiseptic adhesive tape, which is sequentially compounded into a five-layer structure through a polyethylene protective film, a first viscoelastic adhesive layer, a plastic-grid enhancing layer, a second viscoelastic adhesive layer and a polyester isolating film and made into a tape shape. The antiseptic adhesive tape can be wound on a winding shaft, and the thickness of the polyethylene protective film is 6 to 8 mu m; the thickness of the first viscoelastic adhesive layer is 70 to 75 mu m; the thickness of the plastic-grid enhancing layer is 28 to 30 mu m; the thickness of the second viscoelastic adhesive layer is 70 to 75 mu m; and the thickness of the polyester isolating film is 7 to 9 mu m. The antiseptic adhesive tape has the advantages that the construction is simple, the antiseptic performance is excellent, the antiseptic construction and quality are not limited or influenced by the performance of a primer, the automation degree of production and processing processes is high, and the stability of products is good.
Description
Technical field
The utility model relates to a kind of adhesive tape, specifically is a kind of oil, gas industry, electric power, tap water and sewage industrial pipeline rot-resistant viscoelastic body anticorrosion glue tape for pipeline of being applicable to.
Background technology
In the pipework technical field of construction, metallic conduit is buried underground, and rotproofing need be carried out in its surface, twines with anticorrosion band and coats pipeline for using one of aseptic technic always.Currently used anticorrosion adhesive tape mainly comprises polyethylene antiseptic adhesive tape and bituminous epoxy sealing tape, this two classes sealing tape is commonly called as the cold adhesive tape that twines, its anticorrosion structure all is the composite anti-corrosive system, and wherein the protective system of polyethylene anticorrosion adhesive band is: priming paint, anticorrosion band, boundary belt; The protective system of bituminous epoxy sealing tape is: priming paint (shaping glue), anticorrosion band, shaping glue.The concrete construction technology of this two quasi-traditions Cold winding band may further comprise the steps substantially: substrate surface treatment, be coated with priming, twine adhesive tape (the bituminous epoxy tape technology also requires to brush one time coating after twining adhesive tape) again.
In the oil and gas pipeline engineering construction, body adopts the 3LPE anticorrosion structure mostly, the on-the-spot corrosion-resistanting interpolating port supporting with it adopts epoxy primer heat shrink band anticorrosion structure mostly, bend part adopts FBE or Cold winding band anticorrosion structure, and a buried pipeline of standing adopts non-solvent epoxy or Cold winding band anticorrosion structure.With respect to the automatic assembly line production of body 3LPE preservative coat at impregnating plant, the scene is anticorrosion to be manual operations substantially then, and it is very big influenced by site operation environment, human factor, is the weakest link in the present pipework anticorrosive quality control.The domestic detection investigation of in recent years transfering natural gas from the west to the east one line that has built up, loyal military line being carried out shows: corrosion-resistanting interpolating port, a ratio of buried pipeline preservative coat inefficacy of stand are higher, and the quality such as long-term adhesiveproperties, insulativity that mainly show as waterproof sealing, repaired mouth shrink belt and the PE layer of preservative coat are not good.In order to ensure the performance of on-the-spot anticorrosive construction, scientific research department has carried out number of research projects from aspects such as material selection, construction equipment, constructional methods.
In the 1970s and 1980s in last century, viscoelastic body has been successfully applied to the waterproof field, the existing so far history that surpasses more than 30 years.Since nineteen ninety, under the support of German BASF AG, the scientific research department of Dutch STOPAQ company continues to have carried out the research of viscoelastic body polymkeric substance impregnating material.The researchist is through reaching the work in 3 years, final selected to have used never solidify, embrittlement temperature below-60 ℃, high molecular polymer with cold flow characteristic makes the viscoelastic body impregnating material.From at that time, detailed testing research report is advanced to issue respectively in 2007 to every performance of STOPAQ viscoelastic body by authoritative research institutions such as the national natural gas companies of Holland, the Shell Oil Co., Saudi Arabia National Oil Company, polymkeric substance service centre of brother's Jon Ronningen university, KIWA authentication and feeler mechanism, NAM, at length list every performance index of viscoelastic body, and listed the viscoelastic body corrosion protection coating in Royal Dutch Shell corrosion-resistanting interpolating port and coating reparation company standard DEP31.40.30.37 (2008).Saudi Arabia National Oil Company has also listed the viscoelastic body corrosion protection coating in steel pipe engineering coating standard SAES-H-002 2006 after through tracking applied research for many years.But domestic material preparation and the forming technique of not grasping such viscoelastic body anticorrosion adhesive tape as yet.
The utility model content
The purpose of this utility model is the existing existing defective of anticorrosion glue tape for pipeline of customer service, provide that a kind of construction is simple, antiseptic property is excellent, anticorrosive construction and quality be not subjected to the primer performance restriction and influence production and processing technology level of automation height, the viscoelastic body anticorrosion glue tape for pipeline that product stability is good.
For achieving the above object, viscoelastic body anticorrosion glue tape for pipeline of the present utility model is to be combined into five-layer structure and to be made band shape by polyethylene protective film, the first visco-elasticity glue-line, plastic grid enhancement layer, the second visco-elasticity glue-line, polyester insulating film in regular turn.
As the optimization technique measure: this anticorrosion adhesive tape is wound on the spool.The thickness of described polyethylene protective film is 6-8 μ m.The thickness of the described first visco-elasticity glue-line is 70-75 μ m.The thickness of described plastic grid enhancement layer is 28-30 μ m.The thickness of the described second visco-elasticity glue-line is 70-75 μ m.The thickness of described polyester insulating film is 7-9 μ m.
The beneficial effects of the utility model are: the viscoelastic body impregnating material that this viscoelastic body anticorrosion glue tape for pipeline adopts is different with conventional liquid or solid-state corrosion protection coating, its technological core is that a kind of polymer viscoelastic material adds components such as enhancement component, filler, softening agent, adopt the bimodulus head to extrude colloid, multilayer roll-in once shaped scheme synchronously, realize high automation degree, high-level efficiency, the high qualification rate production of the viscoelastic body anticorrosion glue tape for pipeline of five layers of composite structure.The related viscoelastic body anticorrosion glue tape for pipeline of the utility model has excellent adhesiveproperties, water preventing ability, insulativity, weathering resistance and unreactiveness.In-45 ℃ to 90 ℃ temperature range, neither can trickle, can not solidify yet, have waterproof sealing, cohesiveness, antikathode protection separability and the easy-to-use characteristic that can keep excellent for a long time.
Description of drawings
Fig. 1 is the section structure synoptic diagram of the utility model viscoelastic body anticorrosion glue tape for pipeline.
Fig. 2 is the process flow sheet when making the utility model viscoelastic body anticorrosion glue tape for pipeline.
The number in the figure explanation:
01-viscoelastic body anticorrosion glue tape for pipeline, 1-polyethylene protective film, the 2-first visco-elasticity glue-line, 3-plastic grid enhancement layer, the 4-second visco-elasticity glue-line, 5-polyester insulating film; The 02-cross-head; The 03-pressure roller; The 04-coiler drum.
Embodiment
Below in conjunction with Figure of description the utility model is described further.
Viscoelastic body anticorrosion glue tape for pipeline of the present utility model, as shown in Figure 1, it is to be combined into five-layer structure and to be made band shape by polyethylene protective film 1, the first visco-elasticity glue-line 2, plastic grid enhancement layer 3, the second visco-elasticity glue-line 4, polyester insulating film 5 in regular turn.
As the optimization technique measure: this anticorrosion adhesive tape is wound on the spool.The thickness of polyethylene protective film is 6-8 μ m.The thickness of the first visco-elasticity glue-line is 70-75 μ m.The thickness of plastic grid enhancement layer is 28-30 μ m.The thickness of the second visco-elasticity glue-line is 70-75 μ m.The thickness of polyester insulating film is 7-9 μ m.
Wherein, the composition and the mass fraction of the used first visco-elasticity glue-line of viscoelastic body anticorrosion glue tape for pipeline, the second visco-elasticity glue-line material are:
Polymer viscoelastic material 70-100 part
Strengthen glue 0-30 part
Filler 50-150 part
Softening agent 0-20 part
Antioxidant 1010 1-3 part
The dark green 0.1-0.5 part of dyestuff titanium
The rubber matrix that adopts in the utility model visco-elasticity glue-line material is one or more in polyisobutene, Atactic Polypropelene, the polyethylene, number-average molecular weight (dalton) scope is 3000～100000, the total content scope is 35%～65% in prescription, helps improving the bonding strength of visco-elasticity glue-line material sizing material, anti-vertical performance and the corrosion resistance nature of dripping.
The mixing of one or more among the enhancing glue NR that adopts in the utility model visco-elasticity glue-line material, SBR, IIR, BR, the SEBS, the total content scope is 0～7% in prescription, effectively visco-elasticity glue-line material sizing material is produced strengthening action, but can increase goods hardness with too high, processing rheological property descends, and is unfavorable for the adhesive tape moulding.
The filler extra-fine grinding CaCO that adopts in the utility model visco-elasticity glue-line material
3, in the potter's clay, kaolin, talcum powder, silica powder one or more, the total content scope is 30%～70% in prescription, and particle diameter 20nm～5 μ m has improved visco-elasticity glue-line material sizing material self intensity to a certain extent, controlled the flowability of matrix, effectively reduced cost.
The softening agent that adopts in the utility model visco-elasticity glue-line material is a lower molecular weight PIB softening agent, in naphthenic oil, the paraffin oil one or more, the total content scope is 0～6.5% in prescription, helps the flowability in the sizing material course of processing to improve, but Joint strength is reduced.
The oxidation inhibitor that adopts in the utility model visco-elasticity glue-line material is 1010, and the total content scope is 0.45%～2% in prescription, prolongs the work-ing life of sizing material.
The dyestuff titanium viridescent that adopts in the utility model visco-elasticity glue-line material, the total content scope is 0.05%～0.3% in prescription, gives goods beautiful color, and the effect that mixes the degree indicator is also arranged in the blend process.
Plastic grid enhancement Layer material is for being PP, PE, PET or PA.
The utility model is taken all factors into consideration from Joint strength, fraction of coverage, the anti-aspects such as vertical performance and corrosion resistance nature of dripping, and has finally determined viscoelastic body anticorrosion glue tape for pipeline visco-elasticity glue-line material sizing compound formula.
The related viscoelastic body anticorrosion glue tape for pipeline of the utility model can be according to following method manufacturing: adopt mill or kneader that rubber matrix, enhancement component, filler, oxidation inhibitor and dyestuff mixing are prepared visco-elasticity glue-line material earlier.The viscoelastic body anticorrosion glue tape for pipeline of five layers of composite structure of preparation is referring to Fig. 2; adopt the bimodulus head to extrude colloid synchronously; multilayer roll-in once shaped scheme; visco-elasticity glue-line material is added in the single screw extrusion machine; the control fuselage; screw rod; the temperature of head is at 60-150 ℃; the rotating speed of screw rod is in 5～80r/min; sizing material is extruded continuously; use two single screw extrusion machines on the PE base material, to extrude two layer sizings simultaneously; on two single screw extrusion machine heads are expressed into material trailed polyethylene protective film respectively and are coated with Si polyester film barrier film (being coated with the Si face contacts with visco-elasticity glue-line material); the double-deck reinforcing network that pulls out in the middle of two single screw extrusion machines and the film that is covered with the visco-elasticity glue-line of both sides enter two roller roll-in once shapeds simultaneously; traction is batched and is made the viscoelastic body anticorrosion glue tape for pipeline.
Be described further below by the composition and the mass fraction of object lesson the first visco-elasticity glue-line of the present utility model, the second visco-elasticity glue-line material.
Example 1
Each component and mass fraction are: 90 parts of polyisobutene (HRD650), (1066) 5 parts of chlorinated butyl rubbers, 5 parts of naphthenic oils, extra-fine grinding CaCO
3(D4) 100 parts, (1010) 1 parts in oxidation inhibitor, dark green 0.1 part of dyestuff titanium.
Example 2
Each component and mass fraction are: 85 parts of polyisobutene (SDG8650), 10 parts of isoprene-isobutylene rubbers (IIR301), 5 parts of small molecules polyisobutene (PIB950), 150 parts of kaolin, (1010) 1 parts in oxidation inhibitor, dark green 0.1 part of dyestuff titanium.
Example 3
Each component and mass fraction are: 85 parts of polyisobutene (NSDG8650), 15 parts of isoprene-isobutylene rubbers (IIR301), extra-fine grinding CaCO
3(D4) 110 parts, (1010) 1 parts in oxidation inhibitor, dark green 0.1 part of dyestuff titanium.
Example 4
Each component and mass fraction are: APAO(308) 85 parts, and 5 parts of low molecular weight polyethylenes, 5 parts of natural rubbers, 5 parts of paraffin oils, extra-fine grinding CaCO
3(D4) 110 parts, (1010) 1 parts in oxidation inhibitor, dark green 0.1 part of dyestuff titanium.
Example 5
Each component and mass fraction are: 85 parts of polyisobutene (NSDG8650), 5 parts of isoprene-isobutylene rubbers (IIR301), 5 parts of naphthenic oils, 5 parts of small molecules polyisobutene (PIB950), extra-fine grinding CaCO
3(D4) 50 parts, (1010) 1 parts in oxidation inhibitor, dark green 0.1 part of dyestuff titanium.
The component of each embodiment prepares visco-elasticity glue-line material at the mill mixing successively, and single screw extrusion machine feeds intake, and the bimodulus head is extruded colloid synchronously, the multilayer roll-in prepares the viscoelastic body anticorrosion glue tape for pipeline.
Material performance test method: the adhesiveproperties according to GB/T2792 and GB/T7124 measure the visco-elasticity glue-line comprises that shearing resistance (23 ℃) is to stripping strength, the shearing resistance (45 ℃) of steel to steel, to the stripping strength (23 ℃) of PE; The fraction of coverage of sample is gluedd joint in range estimation; The anti-performance of hanging low that range estimation visco-elasticity glue-line is 85 ℃; The outward appearance degree of uniformity of range estimation anticorrosion adhesive tape.
After tested, the performance data such as the following table of the visco-elasticity glue-line of 5 examples more than:
| ? | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 |
| 23 ℃ to the average stripping strength of PE (N/cm) | 5.201 | 6.056 | 7.175 | 6.675 | 5.266 |
| 23 ℃ to the average stripping strength of steel (N/cm) | 6.427 | 7.151 | 8.556 | 7.708 | 6.132 |
| 23 ℃ of shearing resistances (MPa) | 0.021 | 0.022 | 0.027 | 0.025 | 0.0194 |
| -45 ℃ to the average stripping strength of steel (N/cm) | 53.711 | 60.322 | 70.268 | 65.324 | 50.996 |
| -45 ℃ of shearing resistances (MPa) | 2.125 | 2.449 | 2.831 | 2.683 | 2.032 |
| Glued joint the sample fraction of coverage | ≥95% | ≥95% | ≥95% | ≥95% | ≥95% |
| 85 ℃ of anti-tests (5 days) of hanging low | Do not have to drip and hang down | Do not have to drip and hang down | Do not have to drip and hang down | Do not have to drip and hang down | Have to drip and hang down |
| The outward appearance of adhesive tape | Evenly | Inhomogeneous | Evenly | Evenly | Evenly |
Claims (7)
1. a viscoelastic body anticorrosion adhesive tape is characterized in that: be combined into five-layer structure and made band shape by polyethylene protective film (1), the first visco-elasticity glue-line (2), plastic grid enhancement layer (3), the second visco-elasticity glue-line (4), polyester insulating film (5) in regular turn.
2. a kind of viscoelastic body anticorrosion adhesive tape according to claim 1, it is characterized in that: this anticorrosion adhesive tape is wound on the spool.
3. a kind of viscoelastic body anticorrosion adhesive tape according to claim 1 is characterized in that: the thickness of described polyethylene protective film is 6-8 μ m.
4. a kind of viscoelastic body anticorrosion adhesive tape according to claim 1 is characterized in that: the thickness of the described first visco-elasticity glue-line is 70-75 μ m.
5. a kind of viscoelastic body anticorrosion adhesive tape according to claim 1 is characterized in that: the thickness of described plastic grid enhancement layer is 28-30 μ m.
6. a kind of viscoelastic body anticorrosion adhesive tape according to claim 1 is characterized in that: the thickness of the described second visco-elasticity glue-line is 70-75 μ m.
7. a kind of viscoelastic body anticorrosion adhesive tape according to claim 1 is characterized in that: the thickness of described polyester insulating film is 7-9 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201585813U CN202054780U (en) | 2011-05-18 | 2011-05-18 | Viscoelastic-body antiseptic adhesive tape |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201585813U CN202054780U (en) | 2011-05-18 | 2011-05-18 | Viscoelastic-body antiseptic adhesive tape |
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| CN202054780U true CN202054780U (en) | 2011-11-30 |
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| CN2011201585813U Expired - Lifetime CN202054780U (en) | 2011-05-18 | 2011-05-18 | Viscoelastic-body antiseptic adhesive tape |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104327756A (en) * | 2014-09-15 | 2015-02-04 | 郑州中原应用技术研究开发有限公司 | Viscoelastic body anti-mildew and anticorrosion adhesive for buried pipelines, adhesive tape and preparation method thereof |
| CN106916546A (en) * | 2015-12-28 | 2017-07-04 | 严能进 | A kind of enhanced Nail-free glue sheet and its manufacture method |
| CN111363486A (en) * | 2020-04-30 | 2020-07-03 | 江苏达胜热缩防护用品有限公司 | Radiation cross-linked polyethylene composite belt for corrosion prevention of buried steel elbow pipe and preparation method thereof |
-
2011
- 2011-05-18 CN CN2011201585813U patent/CN202054780U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104327756A (en) * | 2014-09-15 | 2015-02-04 | 郑州中原应用技术研究开发有限公司 | Viscoelastic body anti-mildew and anticorrosion adhesive for buried pipelines, adhesive tape and preparation method thereof |
| CN106916546A (en) * | 2015-12-28 | 2017-07-04 | 严能进 | A kind of enhanced Nail-free glue sheet and its manufacture method |
| CN111363486A (en) * | 2020-04-30 | 2020-07-03 | 江苏达胜热缩防护用品有限公司 | Radiation cross-linked polyethylene composite belt for corrosion prevention of buried steel elbow pipe and preparation method thereof |
| CN111363486B (en) * | 2020-04-30 | 2022-03-29 | 江苏达胜热缩防护用品有限公司 | Radiation cross-linked polyethylene composite belt for corrosion prevention of buried steel elbow pipe and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111130 |