CN104565684A - Heat reserving belt and manufacturing method and application thereof - Google Patents
Heat reserving belt and manufacturing method and application thereof Download PDFInfo
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- CN104565684A CN104565684A CN201310499306.1A CN201310499306A CN104565684A CN 104565684 A CN104565684 A CN 104565684A CN 201310499306 A CN201310499306 A CN 201310499306A CN 104565684 A CN104565684 A CN 104565684A
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- Prior art keywords
- layer
- doughnut
- insulation belt
- resin substrate
- sticker
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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
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/048—Natural or synthetic rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/105—Ceramic fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2597/00—Tubular articles, e.g. hoses, pipes
Abstract
The invention discloses a heat reserving belt comprising a hollow fiber layer and a resin substrate layer which are stacked mutually. The invention further discloses a manufacturing method of the heat reserving belt. The manufacturing method includes forming the resin substrate layer and the hollow fiber layer which are stacked mutually. The invention further discloses application of the heat reserving belt as an oil delivery or gas delivery heat reserving belt. Heat conducting coefficient of the heat reserving belt can reach 0.03W/(m.k), and the heat reserving belt has high heat-reserving performance and high wear resistance and can be wound without being limited by pipeline shape.
Description
Technical field
The present invention relates to a kind of insulation belt and preparation method thereof and the application of this insulation belt as oil transportation, gas pipeline insulation belt.
Background technique
Oil transportation, gas transmission pipe several hundred kilometers at least, long then several thousand kilometers, and need to pass through dissimilar climatic environment, soil, river, lake.For reducing the temperature variation of way train object, thus reducing the magnitude setting of heating plant and the consumption of the energy, isothermal holding carrying out to pipeline very important.The pipe insulation mode that the most oil field of China adopts is " the yellow jacket " that be made up of high density polyethylene (HDPE) external protection, polyurethane foam insulation layer and metal tube." yellow jacket " heat insulation effect is fine, but its thickness is usually very thick, limits it in pipeline corner or the use with the specific position such as heating equipment joining place, and also bad with the connectivity of outer wall of steel pipe, easily causes coming off.The another kind of adiabatic heat-insulation mode widely that uses utilizes take-up strap to carry out outer winding process to pipeline, and the outer glass cloth of such as pipeline and straw are wound around process.Although the method product cost is low, is wound around scope wide, does not limit by pipeline profile, construction mostly is artificial construction, the bad adhesion between take-up strap and steel pipe, heat insulation effect is poor, winding thickness is thick, working life is short.
CN2027333338U discloses a kind of long defeated hot pipe network heat-insulation and heat-preservation sleeve pipe, the multilayer reflective layers that this heat preservation sleeve structure comprises one deck or sets gradually from inside to outside, thermal radiation reflecting material is utilized to reduce pipe insulation layer thickness, improve heat insulation effect, but itself and pipeline outer wall adhesion strength are bad, easily come off and cause corrosive pipeline, and the construction of sleeve pipe limits by pipe shape, the pipeline of some special shapes cannot use sleeve pipe.CN200986082Y discloses the anticorrosion take-up strap of a kind of steel pipeline, and this take-up strap comprises gluing internal layer, outer with the crosslinked polyethylene of gluing internal layer compound, and itself and pipeline outer wall cohesiveencess are not good, and function is anticorrosion, heatproof, cannot be incubated.
Therefore, need a kind of more suitable insulation of searching badly and bring the insulation cost reducing long oil transportation, gas transmission pipe.This finally also will reduce oil, gas conveying cost greatly.
Summary of the invention
The object of this invention is to provide a kind of insulation belt and its preparation method and application, this insulation belt has extraordinary heat insulation effect as oil transportation, gas pipeline insulation belt when using, and corrosion-resistant, can not also be wound around by pipe shape restriction ground.
To achieve these goals, the invention provides a kind of insulation belt, this insulation belt comprises mutually stacked doughnut layer and resin substrate layer.
The present invention also provides a kind of preparation method of insulation belt, and the method comprises the mutually stacked resin substrate layer of formation and doughnut layer.
The present invention also provides a kind of insulation belt as the application of oil transportation, gas pipeline insulation belt.
Insulation belt according to the present invention has good thermal insulation property and decay resistance.And this insulation belt can make very thin product, make this insulation belt for not being wound around by pipe shape restriction when oil transportation, gas pipeline.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of insulation belt, this insulation belt comprises mutually stacked doughnut layer and resin substrate layer.
In this law is bright, described doughnut layer can for the cloth be made up of the lamination coating containing doughnut, and with the gross weight of described lamination coating for benchmark, the content of described doughnut can be 10-100 % by weight, is preferably 40-100 % by weight.That is, described doughnut layer can be formed by doughnut, also can be formed by the lamination coating containing doughnut and other components.
There is no particular limitation for the material of described doughnut, and can adopt the conventional material used in the production of doughnut, such as, can be PET Hollow fiber, glass hollow fiber, Ceramic Hollow Fiber etc.
When described doughnut layer is formed by the lamination coating containing doughnut and other components, in the lamination coating forming described doughnut layer, non-hollow fiber (namely solid fiber) can also be contained except described doughnut.With the gross weight of the described lamination coating containing doughnut for benchmark, the content of described non-hollow fiber can be less than 60 % by weight, is preferably 10-50 % by weight.The material of described non-hollow fiber can be one or more in polyethylene, polypropylene, PETG, polybutylene-terephthalate, PTT, PLA, nylon 6, nylon66 fiber, cellulose ester, sky silk, Nomex, polyimide, PEI, PBO, PBI, PEEK, melamine-formaldahyde and P-F.
When described doughnut layer is formed by the lamination coating containing doughnut and other components, in the lamination coating forming described doughnut layer, filler can also be contained except described doughnut.Described filler be preferably selected from hollow glass ball, hollow metal ball, hollow plastics ball, porous silicious marl, aerogel and porous carbon one or more.To form the gross weight of the lamination coating of described doughnut layer for benchmark, the content of described filler can be less than 60 % by weight, is preferably 5-40 % by weight.
When described doughnut layer is formed by the lamination coating containing doughnut and other components, in the lamination coating forming described doughnut layer, the content of described doughnut can be 40-90 % by weight.
In this law is bright, there is no particular limitation for the preparation method of the cloth that the described lamination coating containing doughnut is made, and can be weaving doughnut cloth, also can be nonwoven doughnut cloth.
In the present invention, gas or liquid can be filled with in described doughnut.There is no particular limitation for the charge of gas and liquid, and preferably, be filled with that volume accounts for the hollow volume in doughnut more than 60% of gas and liquid, is preferably more than 90%.The gas being filled with doughnut can be such as nitrogen, air, inert gas etc., is preferably nitrogen.The liquid being filled with doughnut can be such as water.
The mode that is filled with of gas or liquid can adopt conventional method to implement, and such as, the mode of being filled with can be for: doughnut is placed in the environment being filled with gas or the liquid that will be filled with, then by modes such as hot cutter cuttings, the melting of doughnut two ends is closed.
In the present invention, there is no particular limitation for the material of described resin substrate layer, can be arbitrarily conventional weather-proof, water-fast, corrosion resistant resin, such as, in epoxy resin, polyurethane and ethylene propylene diene rubber one or more.
In the present invention, described doughnut layer can be 1:(0.1-2 with the ratio of the thickness of described resin substrate layer), be preferably 1:(0.2-1).
In the present invention, the thickness of described doughnut layer can be 0.5-10mm, is preferably 1-4mm.
In the present invention, the thickness of described resin substrate layer can be 0.1-10mm, is preferably 0.5-2mm.
In the present invention, described insulation belt can also comprise sticker layer, and described sticker layer can be attached to the side contrary with described resin substrate layer of described doughnut layer, also can be attached to the both sides of described doughnut layer.Consider, preferably in both sides all adhesive bonding oxidant layer of described doughnut layer from the angle of described resin substrate layer of being convenient to bond.
By introducing sticker layer, described insulation belt can better be connected with pipeline outer wall, difficult drop-off.
In the present invention, described sticker layer is formed by the composition containing tackiness agent, wherein, described tackiness agent is not particularly limited, the various tackiness agents that related domain routine uses can be selected, particularly, can be such as one or more in contact adhesive, heat sensitive adhesive and photosensitive adhesive etc.Consider from the angle of constructability, be preferably contact adhesive.
Described contact adhesive can be the contact adhesive of related domain routine, such as, can be one or more in rubber-like contact adhesive, acrylic psa and silicone based contact adhesive.Described rubber-like contact adhesive can be such as one or more in natural rubber, polyisoprene rubber, styrene butadiene rubbers, SIS block rubber, SBS block rubber, SEBS block rubber, butyl rubber, Oppanol and reclaimed rubber.Described acrylic psa can be acrylate pressure sensitive adhesives.Described silicone based contact adhesive can be that solvent-type organosilicon contact adhesive, aqueous emulsion type organic silicon pressure-sensitive adhesive mixture and no-solvent type silicone pressure sensitive are compared with one or more in tackiness agent.
Can also add the additive of any appropriate in described sticker layer as required, this additive can be such as one or more in elastomer, tackifier, crosslinking agent, tenderer, plasticizing agent, colorant, fire retardant and antioxidant.
In the present invention, described doughnut layer can be 1:(0.1-2 with the ratio of the thickness of described sticker layer), be preferably 1:(0.2-1).
In the present invention, when described sticker layer is attached to contrary with the described resin substrate layer side of described doughnut layer, thickness can be 0.1-10mm, is preferably 0.5-2mm.
In the present invention, when described sticker layer is attached to the both sides of described doughnut layer, consider that preferably thickness of two sides is identical from preparing angle easily, and respective thickness can be 0.1-10mm, is preferably 0.5-2mm.
Present invention also offers a kind of preparation method of insulation belt, the method can comprise the mutually stacked resin substrate layer of formation and doughnut layer.
According to method of the present invention, can with any means by doughnut layer and resin substrate layer mutually stacked, such as, can with or without tackiness agent, by heating, add pressure handle doughnut layer and resin base material is pressed together layer by layer.
Described lamination can carry out in the laminating apparatus of various routine, such as compression molding instrument.Lamination comprises: laminating temperature can be 70-180 DEG C, is preferably 110-170 DEG C; Lamination pressure can be 0.1-10MPa, is preferably 0.3-5MPa; Lamination times can be 0.3-5min, is preferably 1-3min.
Method of the present invention can also comprise formation sticker layer, described sticker layer is made to be attached to the side contrary with described resin substrate layer of described doughnut layer, or be attached to the both sides of described doughnut layer, or be attached to the inside of described doughnut layer, or the combination of above various ways.
As the method forming sticker layer, there is no particular limitation, the spraying method of various routine can be adopted, such as method of spin coating, spraying rubbing method, bar type rubbing method, blade coating method, drum coating method, scraper for coating method, die coating methods, gravure coating process etc.In the preferred case, the method forming sticker layer comprises: be first immersed in binder solution by the cloth be made up of the lamination coating containing doughnut, make the bonded agent solution impregnation of described cloth, takes out and leaves standstill, dry solvent.Sticker layer can be formed in the disposable both sides at described doughnut layer like this.
There is no particular limitation for above-mentioned solvent, as long as can dissolve described tackiness agent, particularly, described solvent can be such as one or more in toluene, ethyl acetate and butanone.
With the gross weight of binder solution for benchmark, in binder solution, the content of tackiness agent is preferably 10-60 % by weight, is more preferably 10-45 % by weight, more preferably 15-30 % by weight.When in binder solution, the content of tackiness agent is in above-mentioned scope, the consumption of organic solvent is abundant, and viscosity is appropriate, can form the binder solution with excellent coating operations.
According to method of the present invention, described doughnut layer, described resin substrate layer can be 1:(0.1-2 with the ratio of the thickness of described sticker layer): (0.1-2), is preferably 1:(0.2-1): (0.2-1).
According to method of the present invention, the thickness of the insulation belt obtained by described preparation method can be 1-30mm, is preferably 2-20mm.
The insulation belt that present invention also offers described insulation belt and obtained by described preparation method is as the application of oil transportation, gas pipeline insulation belt.Described insulation belt is wrapped in pipeline outer wall, plays heat insulating function.
Below will be described the present invention by embodiment.
In following examples, salt fog resistance records by GB/T 1771-1991 Chinese national standard standard, and thermal conductivity records according to GB/T10295-2008, and 180 ° of peeling strengths record according to GB/T2792-1998.
PET Hollow fiber is Yizheng Chemical Fibre Co., Ltd. of China Petrochemical Industry trade mark is the commercially available product of YZK601, solid polyster fibre is Yizheng Chemical Fibre Co., Ltd. of China Petrochemical Industry trade mark is DTY56-600 commercially available product, acrylate pressure sensitive adhesives is Shanghai company of the Ying Tian Chemical Industry Science Co., Ltd trade mark is the commercially available product of PS2001, ethylene propylene diene monomer (EPDM) material is the DuPont Dow Elastomers company trade mark is the commercially available product of 3745P, the commercially available product of epoxide resin material to be the Momentive company trade mark be EPIKOTE RESIN 816.
Embodiment 1
The present embodiment is for illustration of insulation belt of the present invention and preparation method thereof.
PET Hollow fiber is earnestly sealed in the environment being filled with nitrogen, with plain weaving machine this fiber woven again and obtain thick the weaving cotton cloth of 1mm, then be that in the acrylate pressure sensitive adhesives solution of 15 % by weight, (solvent is ethyl acetate) soaks 30min in concentration, make prepreg cloth, at room temperature 20 minutes are left standstill after taking-up, be that the ethylene propylene terpolymer sheet of 1mm superposes again with thickness, with compression molding instrument 130 DEG C, hot-forming under 0.5MPa, 1min condition, obtain the insulation belt that thickness is 2mm.Carry out salt fog resistance test, Determination of conductive coefficients and 180 ° of peel strength tests to this insulation belt, result is as shown in table 1.
Embodiment 2
The present embodiment is for illustration of insulation belt of the present invention and preparation method thereof.
PET Hollow fiber is earnestly sealed in the environment being filled with nitrogen, with plain weaving machine this fiber woven again and obtain thick the weaving cotton cloth of 2mm, then being immersed in concentration is that in the acrylate pressure sensitive adhesives solution of 20 % by weight, (solvent is ethyl acetate) soaks 30min, make prepreg cloth, at room temperature 20 minutes are left standstill after taking-up, the thick aerogel layer of one deck 0.5mm is laid again at its surface uniform, be that the ethylene propylene terpolymer sheet of 1mm superposes again with thickness, with compression molding instrument at 110 DEG C, 0.5MPa, hot-forming under 2min condition, obtain the insulation belt that thickness is 3mm.Carry out salt fog resistance test, Determination of conductive coefficients and 180 ° of peel strength tests to this insulation belt, result is as shown in table 1.
Embodiment 3
The present embodiment is for illustration of insulation belt of the present invention and preparation method thereof and performance.
PET Hollow fiber is earnestly sealed in the environment being filled with nitrogen, with plain weaving machine this fiber woven again and obtain thick the weaving cotton cloth of 4mm, then in the solution containing the Butyl rubber pressure sensitive tackiness agent of 30 % by weight and the aerogel of 30 % by weight, (solvent is ethyl acetate) soaks 30min, make prepreg cloth, at room temperature 20 minutes are left standstill after taking-up, be that the epoxy resin sheet material of 1mm superposes again with thickness, with compression molding instrument 110 DEG C, hot-forming under 0.5MPa, 2min condition.Obtain the insulation belt that thickness is 4mm.Carry out salt fog resistance test, Determination of conductive coefficients and 180 ° of peel strength tests to this insulation belt, result is as shown in table 1.
Comparative example 1
The braiding of solid polyster fibre plain weaving machine is obtained thick the weaving cotton cloth of 1mm, be that the ethylene propylene terpolymer sheet of 1mm superposes again with thickness, with compression molding instrument 110 DEG C, hot-forming under 0.5MPa, 2min condition, again thereon by scraper for coating acrylate pressure sensitive adhesives, obtain the insulation belt that thickness is 2mm.Carry out salt fog resistance test, Determination of conductive coefficients and 180 ° of peel strength tests to this insulation belt, result is as shown in table 1.
Table 1
As can be seen from the data of upper table 1, described insulation belt provided by the invention has good thermal insulation property and decay resistance concurrently.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned mode of execution, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technological scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different mode of execution of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (13)
1. an insulation belt, is characterized in that, this insulation belt comprises mutually stacked doughnut layer and resin substrate layer.
2. insulation belt according to claim 1, wherein, described doughnut layer is the cloth be made up of the lamination coating containing doughnut, and with the gross weight of described lamination coating for benchmark, described lamination coating contains the doughnut of 10-100 % by weight; Preferably, described resin substrate layer is one or more in epoxy resin, polyurethane and ethylene propylene diene rubber.
3. insulation belt according to claim 1 and 2, wherein, described doughnut layer is 1:(0.1-2 with the ratio of the thickness of described resin substrate layer), be preferably 1:(0.2-1).
4. insulation belt according to claim 1 and 2, wherein, is filled with gas or liquid in described doughnut.
5. insulation belt according to claim 1 and 2, wherein, described insulation belt also comprises sticker layer, and described sticker layer is attached to the side contrary with described resin substrate layer of described doughnut layer, or is attached to the both sides of described doughnut layer.
6. insulation belt according to claim 5, wherein, described sticker layer is formed by the composition containing tackiness agent, described tackiness agent be selected from contact adhesive, heat sensitive adhesive and photosensitive adhesive one or more.
7. insulation belt according to claim 6, wherein, described doughnut layer is 1:(0.1-2 with the ratio of the thickness of described sticker layer), be preferably 1:(0.2-1).
8. prepare a method for insulation belt, it is characterized in that, the method comprises the mutually stacked resin substrate layer of formation and doughnut layer.
9. method according to claim 8, wherein, the method also comprises formation sticker layer, makes described sticker layer be attached to the side contrary with described resin substrate layer of described doughnut layer, or is attached to the both sides of described doughnut layer.
10. method according to claim 9, wherein, the method forming described resin substrate layer, described doughnut layer and described sticker layer comprises: be first immersed in binder solution by the cloth be made up of the lamination coating containing doughnut, make the bonded agent solution impregnation of described cloth, take out and leave standstill, dry solvent.
11. methods according to Claim 8 in-10 described in any one, wherein, described doughnut layer is the cloth be made up of the lamination coating containing doughnut, and with the gross weight of described lamination coating for benchmark, described lamination coating contains the doughnut of 10-100 % by weight; Preferably, described resin substrate layer is one or more in epoxy resin material, polyamine class material and ethylene propylene rubber class material; Described doughnut layer is 1:(0.1-2 with the ratio of the thickness of described resin substrate layer), be preferably 1:(0.2-1).
12. methods according to Claim 8 in-10 described in any one, wherein, described sticker layer is formed by the composition containing tackiness agent, described tackiness agent be selected from contact adhesive, heat sensitive adhesive and photosensitive adhesive one or more; Described doughnut layer is 1:(0.1-2 with the ratio of the thickness of described sticker layer), be preferably 1:(0.2-1).
Insulation belt in 13. claim 1-7 described in any one is as the application of oil transportation, gas pipeline insulation belt.
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| CN201310499306.1A CN104565684A (en) | 2013-10-22 | 2013-10-22 | Heat reserving belt and manufacturing method and application thereof |
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| CN201310499306.1A CN104565684A (en) | 2013-10-22 | 2013-10-22 | Heat reserving belt and manufacturing method and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107337858A (en) * | 2017-08-02 | 2017-11-10 | 合肥安力电力工程有限公司 | A kind of pipeline insulation material and preparation method thereof |
| CN116951171A (en) * | 2023-05-26 | 2023-10-27 | 中国水电基础局有限公司 | Distributed pipeline system |
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