CN216885492U - Oxygen blocking tube - Google Patents
Oxygen blocking tube Download PDFInfo
- Publication number
- CN216885492U CN216885492U CN202123454672.4U CN202123454672U CN216885492U CN 216885492 U CN216885492 U CN 216885492U CN 202123454672 U CN202123454672 U CN 202123454672U CN 216885492 U CN216885492 U CN 216885492U
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- Prior art keywords
- oxygen
- layer
- thickness
- barrier
- oxygen barrier
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 63
- 239000001301 oxygen Substances 0.000 title claims abstract description 63
- 230000000903 blocking effect Effects 0.000 title description 21
- 239000010410 layer Substances 0.000 claims abstract description 58
- 230000004888 barrier function Effects 0.000 claims abstract description 50
- 239000011248 coating agent Substances 0.000 claims abstract description 25
- 238000000576 coating method Methods 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 16
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 239000012790 adhesive layer Substances 0.000 claims abstract description 11
- 239000004593 Epoxy Substances 0.000 claims abstract description 8
- 229920002635 polyurethane Polymers 0.000 claims abstract description 8
- 239000004814 polyurethane Substances 0.000 claims abstract description 8
- 239000004698 Polyethylene Substances 0.000 claims description 10
- -1 polyethylene Polymers 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 7
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 7
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 7
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims description 6
- 239000004952 Polyamide Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 5
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229920002647 polyamide Polymers 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000003678 scratch resistant effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000002585 base Substances 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 210000000438 stratum basale Anatomy 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 4
- 238000007790 scraping Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- UFRKOOWSQGXVKV-UHFFFAOYSA-N ethene;ethenol Chemical compound C=C.OC=C UFRKOOWSQGXVKV-UHFFFAOYSA-N 0.000 description 1
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
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Abstract
The utility model relates to the field of conveying pipelines and discloses an oxygen barrier, which comprises: the adhesive layer, the barrier layer and the outer coating are sequentially arranged on the periphery of the substrate layer from inside to outside, the outer coating is an epoxy acrylic resin coating or a polyurethane acrylic resin coating, and the thickness of the outer coating is 0.01-0.1 mm. The utility model has the beneficial effects that: on the premise of not losing the thermal stability and the processability of a conventional pipeline, the scratch-resistant and scratch-resistant performance of the oxygen-resisting pipe is effectively improved through the outer coating structure, meanwhile, plants such as moss are prevented from being bred on the outer wall of the oxygen-resisting pipe, the performance and the cost are considered in the selection of materials and thickness, and the product competitiveness is improved.
Description
Technical Field
The utility model relates to the field of conveying pipelines, in particular to an oxygen barrier pipe.
Background
At present, in fluid conveying scenes such as building water supply and drainage, heating pipeline systems and the like, plastic pipelines are generally adopted for fluid transportation, the plastic pipelines have good thermal stability and excellent processing performance, and the plastic pipelines are sanitary and environment-friendly, and can meet the use requirements on strength, rigidity, sealing performance and the like. However, the plastic pipe also has weak barrier capability, and oxygen in the atmosphere easily permeates into the plastic pipe, so that the metal connecting position is corroded and rusted, and bacteria grow. In the prior art, a method for increasing an oxygen barrier layer is adopted, so that oxygen permeation is avoided, but the oxygen barrier layer is easy to damage in the storage and construction processes due to poor scratch resistance of a plastic pipeline, and the common oxygen barrier layer has hydrophilicity and is easy to weaken along with the increase of environmental humidity, so that the oxygen barrier effect is weakened. Therefore, a new oxygen barrier tube is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an oxygen tube hinders, it can the separation oxygen, prevents that metal connecting piece from rustting and breeding the bacterium, and resistant scraping resistant performance is strong simultaneously.
The purpose of the application is realized by the following technical scheme:
an oxygen barrier comprising: the base layer, and from inside to outside set gradually the adhesive linkage, barrier layer and the overcoat in base layer periphery, the overcoat is epoxy acrylic resin coating or polyurethane acrylic resin coating, just the thickness of overcoat is 0.01mm ~ 0.1 mm.
In some embodiments of the present application, the material of the substrate layer is heat resistant polyethylene or cross-linked polyethylene or polyethylene.
In some embodiments of the present application, the substrate layer has a thickness of 1.8mm to 2 mm.
In some embodiments of the present application, the material of the adhesive layer is ethylene-vinyl acetate copolymer or thermoplastic rubber.
In some embodiments of the present application, the adhesive layer has a thickness of 0.01mm to 0.1 mm.
In some embodiments of the present application, the material of the barrier layer is polyamide or ethylene-vinyl alcohol copolymer.
In some embodiments of the present application, the barrier layer has a thickness of 0.1mm to 0.2 mm.
In some embodiments of the present application, the oxygen barrier tube is made using an extrusion process.
The utility model provides a hinder oxygen pipe, adopt four-layer structure, the inlayer is the stratum basale, constitute the base member that hinders oxygen pipe, for hindering oxygen pipe provides good thermal stability and good processing property, and sanitary environmental protection, simultaneously for all the other layers provide the installation base, the stratum basale outside is located to the adhesive linkage, be used for fastening connection stratum basale and barrier layer, the barrier layer is used for separation oxygen, prevent that oxygen from permeating into hinders inside the oxygen pipe, the outmost overcoat that sets up adopts epoxy acrylic resin coating or polyurethane acrylic resin coating, these two kinds of materials all have hydrophobic and resistant scraping characteristic, can effectively avoid hindering plants such as oxygen pipe outer wall breeding moss, effectively improve the resistant scratch resistance ability of hindering oxygen pipe simultaneously, and 0.01mm ~ 0.1mm is selected to the overcoat thickness, can compromise performance and cost, be comparatively suitable thickness value.
Drawings
Fig. 1 is a schematic structural view of the oxygen barrier tube of the present embodiment.
In the figure, 1, a basal layer; 2. an adhesive layer; 3. a barrier layer; 4. and (4) an outer coating.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present application, it should be understood that the terms "inner", "outer", "circumferential", and the like, used herein to indicate an orientation or positional relationship based on that shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
As shown in fig. 1, an embodiment of the present application provides an oxygen barrier, including: the base layer 1, and from inside to outside set gradually the adhesive linkage 2, the barrier layer 3 and the external coating 4 of base layer 1 periphery, external coating 4 is epoxy acrylic resin coating or polyurethane acrylic resin coating, just the thickness of external coating 4 is 0.01mm ~ 0.1 mm.
Based on the technical scheme, the oxygen blocking tube adopts a four-layer structure, the innermost layer is the substrate layer 1 to form a substrate of the oxygen blocking tube, good thermal stability and excellent processing performance are provided for the oxygen blocking tube, the oxygen blocking tube is sanitary and environment-friendly, meanwhile, a mounting substrate is provided for the rest layers, the bonding layer 2 is arranged on the outer side of the substrate layer 1 and is used for tightly connecting the substrate layer 1 and the barrier layer 3, the barrier layer 3 is used for blocking oxygen and preventing oxygen from permeating into the oxygen blocking tube, the outer coating 4 arranged on the outermost layer adopts an epoxy acrylic resin coating or a polyurethane acrylic resin coating, the epoxy acrylic resin is also called vinyl ester resin, EA is called by English, PUA is called by English by polyurethane acrylic resin, the two materials are existing materials, and have the characteristics of hydrophobicity and scratch resistance, so that plants such as moss can be effectively prevented from growing on the outer wall of the oxygen blocking tube, and the scratch resistance of the oxygen blocking tube is effectively improved at the same time, and the thickness of the outer coating 4 is selected from 0.01 mm-0.1 mm, and compared with the thickness of the conventional oxygen-resisting tube, the thickness of the outer coating only occupies less than 5% of the thickness, so that the excellent performance of the oxygen-resisting tube is not influenced, the hydrophobic and scratch-resistant performances can be added to the whole oxygen-resisting tube, the cost is not too high, the performance and the cost are considered, and the thickness value is more appropriate.
In some embodiments of the present application, the material of the substrate layer 1 is heat-resistant polyethylene or cross-linked polyethylene or polyethylene. The heat-resistant polyethylene is abbreviated as PE-RT in English, the crosslinked polyethylene is abbreviated as XLPE in English, the polyethylene is abbreviated as PE in English, the three materials are all the existing materials, the heat-resistant polyethylene has the characteristics of good chemical stability, resistance to most of acid and alkali erosion, insolubility in common solvents, small water absorption and good electrical insulation, and can be flexibly selected according to conditions such as liquid temperature and the like.
In some embodiments of the present application, the substrate layer 1 has a thickness of 1.8mm to 2 mm. The substrate layer 1 occupies at least 80% of the wall thickness of the oxygen blocking tube, normally occupies more than 90%, the substrate layer 1 is a structure for realizing the conventional characteristics of the oxygen blocking tube, and needs to have certain thickness, so that the strength, the rigidity and the like of the oxygen blocking tube meet the requirements, and the characteristics of sanitation and environmental protection are taken into consideration, so that the thickness range of 1.8-2 mm is selected, and the oxygen blocking tube reaches the normal thickness level.
In some embodiments of the present application, the material of the adhesive layer 2 is ethylene-vinyl acetate copolymer or thermoplastic rubber. The ethylene-vinyl acetate copolymer is abbreviated as EVA (ethylene vinyl acetate), the thermoplastic rubber is abbreviated as TPE (thermoplastic elastomer) and is an existing material, the ethylene-vinyl acetate copolymer and the thermoplastic rubber both have good bonding performance, the production process is simple, the bonding strength is high, the speed is high, the bonding strength is not obviously attenuated under the conditions of high temperature and bending, the bonding strength between layers is guaranteed, the stability of the oxygen barrier tube can be ensured, and the effect of well fixedly connecting the substrate layer 1 and the barrier layer 3 is achieved.
In some embodiments of the present application, the thickness of the adhesive layer 2 is 0.01mm to 0.1 mm. The adhesive layer 2 mainly plays a role in fixed connection, only a small amount of adhesive layer is needed, the problems of material forming and firm bonding are considered, and the adhesive layer does not need too large thickness of 0.01-0.1 mm.
In some embodiments of the present application, the material of the barrier layer 3 is polyamide or ethylene-vinyl alcohol copolymer. Polyamide is commonly called nylon, abbreviated as PA in English, and abbreviated as EVOH in English of ethylene-vinyl alcohol copolymer, both of which have the function of oxygen barrier, and the polyamide has the characteristics of toughness, high flexibility and strong binding force, and is wear-resistant, oil-resistant, water-resistant and enzyme-resistant, while the ethylene-vinyl alcohol copolymer has certain advantages in the aspects of transparency, glossiness, mechanical strength, elasticity, wear resistance, cold resistance and surface strength, and simultaneously has extremely high thermal stability, and two different materials can be flexibly selected according to actual conditions and requirements in practical use.
In some embodiments of the present application, the barrier layer 3 has a thickness of 0.1mm to 0.2 mm. The mechanical strength of the material of the barrier layer 3 is quite high, which results in that the thickness of the barrier layer 3 cannot be too large, otherwise the integral bending performance of the oxygen barrier tube is easily deteriorated, and the yield and the damage rate of the oxygen barrier tube are improved. But simultaneously the thickness of barrier layer 3 can not too little again, prevents that barrier layer 3 from leading to local failure because of colliding with fish tail etc. makes oxygen blocking pipe lose the ability of separation oxygen. Therefore, the thickness of the barrier layer 3 is preferably 0.1mm to 0.2mm, and the oxygen barrier effect and the bendability of the pipe are both considered.
In some embodiments of the present application, the oxygen barrier tube is made using an extrusion process. Extrusion moulding can be with four-layer structure shaping together, and the tie coat bonds firmly, but continuous production, and production efficiency is high to can change different parts according to the demand, thereby obtain different products, compare other production methods and have apparent advantage.
In conclusion, the utility model provides an oxygen blocking pipe, adopt four-layer structure, the inlayer is stratum basale 1, constitute the base member of oxygen blocking pipe, for oxygen blocking pipe provides good thermal stability and good processing property, and sanitary environmental protection, simultaneously for the rest layers provide the installation base, adhesive linkage 2 locates the stratum basale 1 outside, be used for fastening connection stratum basale 1 and barrier layer 3, barrier layer 3 is used for the separation oxygen, prevent that oxygen from permeating into oxygen blocking pipe insidely, the overcoat 4 that the outermost layer set up adopts epoxy acrylic resin coating or polyurethane acrylic resin coating, these two kinds of materials all have hydrophobic and resistant scraping characteristic, can effectively avoid oxygen blocking pipe outer wall to breed plants such as moss, effectively improve oxygen blocking pipe's resistant scraping resistant performance simultaneously, and 0.01mm ~ 0.1mm is selected to overcoat 4 thickness, can compromise performance and cost, be comparatively suitable thickness value.
The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present application, and these modifications and substitutions should also be regarded as the protection scope of the present application.
Claims (8)
1. An oxygen barrier tube, comprising: the base layer, and from inside to outside set gradually the adhesive linkage, barrier layer and the overcoat in base layer periphery, the overcoat is epoxy acrylic resin coating or polyurethane acrylic resin coating, just the thickness of overcoat is 0.01mm ~ 0.1 mm.
2. The oxygen barrier of claim 1 wherein the material of the substrate layer is heat resistant polyethylene or cross-linked polyethylene or polyethylene.
3. The oxygen barrier of claim 1 wherein the substrate layer has a thickness of 1.8mm to 2 mm.
4. The oxygen barrier of claim 1 wherein the adhesive layer is an ethylene vinyl acetate copolymer or a thermoplastic rubber.
5. The oxygen barrier of claim 1 wherein said adhesive layer has a thickness of 0.01mm to 0.1 mm.
6. The oxygen barrier of claim 1 wherein the material of the barrier layer is a polyamide or ethylene vinyl alcohol copolymer.
7. The oxygen barrier of claim 1 wherein the barrier layer has a thickness of 0.1mm to 0.2 mm.
8. The oxygen barrier of claim 1, wherein the oxygen barrier is formed using an extrusion process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123454672.4U CN216885492U (en) | 2021-12-31 | 2021-12-31 | Oxygen blocking tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123454672.4U CN216885492U (en) | 2021-12-31 | 2021-12-31 | Oxygen blocking tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216885492U true CN216885492U (en) | 2022-07-05 |
Family
ID=82210741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123454672.4U Active CN216885492U (en) | 2021-12-31 | 2021-12-31 | Oxygen blocking tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216885492U (en) |
-
2021
- 2021-12-31 CN CN202123454672.4U patent/CN216885492U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |