CN206018056U - A kind of heat-fusible direct type PB hinders oxygen tubing - Google Patents
A kind of heat-fusible direct type PB hinders oxygen tubing Download PDFInfo
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- CN206018056U CN206018056U CN201620071598.8U CN201620071598U CN206018056U CN 206018056 U CN206018056 U CN 206018056U CN 201620071598 U CN201620071598 U CN 201620071598U CN 206018056 U CN206018056 U CN 206018056U
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- prevention layer
- oxidation prevention
- tubing
- fusible
- heat
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Abstract
The utility model discloses a kind of heat-fusible direct type PB hinders oxygen tubing, including PB internal layers and oxidation prevention layer, the oxidation prevention layer is coated on the outside of PB internal layers, is provided with the first tack coat between PB internal layers and oxidation prevention layer；PB outer layers are coated with the outside of the oxidation prevention layer, the second tack coat are provided with the oxidation prevention layer and PB outer layers.This utility model is reasonable in design, simple structure, be coated on oxidation prevention layer on the outside of PB internal layers without the need for removing by specific instrument, just can be linked together by the method for heating with pipe fitting, and also the situation that effectively can avoid leak occur in the junction of tubing and pipe fitting.
Description
Technical field
This utility model is related to hinder oxygen tubing technical field, is related specifically to a kind of heat-fusible direct type PB and hinders oxygen tubing.
Background technology
PB tubing is a kind of macromolecule inert polymer, is born in the seventies, and PB resins are the high scores synthesized by butene-1
Sub- synthesises, are with particular density (0.937) crystalline solid, are with flexibility opposite sex plastid.Belong to organic chemical industry's material class
High-tech product, with very high temperature tolerance, persistency and chemical stability and plasticity, tasteless and nontoxic, odorless, temperature is fitted
It it is -30 DEG C to+100 DEG C with scope, with cold-resistant and its heat-resisting, pressure, not burn into non-scaling, life-span length (reachable 50-100
Year), and have energy resisting ageing for long time feature, it is one of chemical material most advanced in the world.
In prior art, the oxygen resistance overall in order to improve PB tubing, is coated with oxidation prevention layer, such as Fig. 1 on the outside of PB tubing
Shown, a kind of resistance oxygen heat-resisting pipes of Chinese patent, Application No. 201220135022.5, including the composite pipe from outside to inside according to
Secondary including oxidation prevention layer (3), adhesive layer (2) and refractory polyethylene layer (1), oxidation prevention layer (3), the adhesive layer (2)
1: 12～13: 1～1.5 are followed successively by with the thickness ratio of refractory polyethylene layer (1), this kind of tubing in connecting pipe is
Make the tubing link together by the method for heating with pipe fitting, need will to be coated on the outside of PB layers by specific instrument
Oxidation prevention layer is got rid of, and then the PB layers for getting rid of oxidation prevention layer are linked together by the method for heating with pipe fitting, above operation
Process wastes time and energy；Another, if the removal effect of oxidation prevention layer is not good, easily causes tubing and the junction of pipe fitting leak occur
Problem, bring larger inconvenience to user.
But the deficiencies in the prior art are directed to, developer is necessary to develop a kind of reasonable in design, simple structure, need not pass through
Specific instrument removes the oxidation prevention layer being coated on the outside of PB internal layers, it becomes possible to linked together by the method for heating with pipe fitting,
And also the heat-fusible direct type PB resistance oxygen tubing of the situation that effectively can avoid leak occur in tubing and the junction of pipe fitting.
Utility model content
For solving the problems, such as that prior art, this utility model provide a kind of reasonable in design, simple structure, need not lead to
Cross specific instrument and remove the oxidation prevention layer being coated on the outside of PB internal layers, it becomes possible to one is connected to pipe fitting by the method for heating
Rise, and also the heat-fusible direct type PB resistance oxygen pipe of the situation that effectively can avoid leak occur in tubing and the junction of pipe fitting
Material.
For solving above technical problem, this utility model employs the following technical solutions to realize：
A kind of heat-fusible direct type PB hinders oxygen tubing, and including PB internal layers and oxidation prevention layer, the oxidation prevention layer is coated on PB internal layers
Outside, is provided with the first tack coat between PB internal layers and oxidation prevention layer；
Characterized in that, PB outer layers are coated with the outside of the oxidation prevention layer, be provided with the in the oxidation prevention layer and PB outer layers
Two tack coats.
In a preferred embodiment of the present utility model, the PB internal layers are 4: 6 or 5 with the thickness proportion of PB outer layers:
5.
In a preferred embodiment of the present utility model, the oxidation prevention layer is made from EVOH.
In a preferred embodiment of the present utility model, first tack coat and the second tack coat are glue layer.
Compared with prior art, this utility model is coated with PB outer layers on the outside of oxidation prevention layer, in oxidation prevention layer and PB outer layers
The second tack coat is provided with, this kind of structure is without the need for removing the oxidation prevention layer being coated on the outside of PB internal layers by specific instrument, it becomes possible to
Linked together by the method for heating with pipe fitting, and also can effectively avoid occurring leakage in tubing with the junction of pipe fitting
The situation of water, further increases heat-fusible direct type PB and hinders oxygen tubing Practical Performance.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Structural representations of the Fig. 1 for prior art.
Fig. 2 is structural representation of the present utility model.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that this utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and this utility model is expanded on further.
With reference to shown in Fig. 2, a kind of heat-fusible direct type PB be given in figure hinders oxygen tubing, including PB internal layers 100 and oxidation prevention layer
300.
Oxidation prevention layer 300 is coated on the outside of PB internal layers 100, is provided with the first bonding between PB internal layers 100 and oxidation prevention layer 300
Layer 200, oxidation prevention layer 300 is made from EVOH, can effectively prevent oxygen from penetrating into PB from the oxidation prevention layer 300 that EVOH makes
Inside resistance oxygen tubing, the oxygen resistance that heat-fusible direct type PB hinders oxygen tubing is further increased.
PB outer layers 500 are coated with the outside of oxidation prevention layer 300, the second tack coat are provided with oxidation prevention layer 300 and PB outer layers 500
Arranging for 400, PB outer layers 500 removes the oxidation prevention layer 300 being coated on the outside of PB internal layers 100 without the need for passing through specific instrument, with regard to energy
Enough linked together by the method for heating with pipe fitting, and also can effectively avoid the junction appearance in tubing with pipe fitting
The situation of leak, further increases heat-fusible direct type PB and hinders oxygen tubing Practical Performance.
PB internal layers 100 are 4: 6 or 5: 5 with the thickness proportion of PB outer layers 500, it can be ensured that PB internal layers 100 and PB outer layers 500
The concordance of performance, further increases heat-fusible direct type PB and hinders oxygen tubing Practical Performance.
According to the specifications and models of tubing by each layer THICKNESS CONTROL in proper ratio, to guarantee that not destroying first in hot melt glues
Knot layer 200 and the second tack coat 400 and oxidation prevention layer 300, to keep tubing adhesion strength and oxygen resistance.
First tack coat 200 and the second tack coat 400 are glue layer, further increase PB internal layers 100 and oxidation prevention layer
300th, the stability between oxidation prevention layer 300 and PB outer layers 500.
This utility model is coated with PB outer layers on the outside of oxidation prevention layer in sum, is provided with second in oxidation prevention layer and PB outer layers
Tack coat, this kind of structure is without the need for removing the oxidation prevention layer being coated on the outside of PB internal layers by specific instrument, it becomes possible to logical with pipe fitting
The method for crossing hot melt links together, and also the feelings that effectively can avoid leak occur in the junction of tubing and pipe fitting
Condition, further increases heat-fusible direct type PB and hinders oxygen tubing Practical Performance.
Ultimate principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is described simply, on the premise of without departing from this utility model spirit and scope, this utility model can also
There are various changes and modifications, these changes and improvements are both fallen within the range of claimed this utility model.This utility model will
Protection domain is asked to be defined by appending claims and its equivalent.
Claims (3)
1. a kind of heat-fusible direct type PB hinders oxygen tubing, and including PB internal layers and oxidation prevention layer, the oxidation prevention layer is coated on the outer of PB internal layers
Side, is provided with the first tack coat between PB internal layers and oxidation prevention layer；
Characterized in that, PB outer layers are coated with the outside of the oxidation prevention layer, be provided with second in the oxidation prevention layer and PB outer layers and glue
Knot layer, the PB internal layers are 4: 6 or 5: 5 with the thickness proportion of PB outer layers, it can be ensured that the PB internal layers and PB outer layer performances
Concordance.
2. a kind of heat-fusible direct type PB according to claim 1 hinders oxygen tubing, it is characterised in that：The oxidation prevention layer is selected
EVOH makes.
3. a kind of heat-fusible direct type PB according to claim 1 hinders oxygen tubing, it is characterised in that：First tack coat with
Second tack coat is glue layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620071598.8U CN206018056U (en) | 2016-01-25 | 2016-01-25 | A kind of heat-fusible direct type PB hinders oxygen tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620071598.8U CN206018056U (en) | 2016-01-25 | 2016-01-25 | A kind of heat-fusible direct type PB hinders oxygen tubing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206018056U true CN206018056U (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620071598.8U Active CN206018056U (en) | 2016-01-25 | 2016-01-25 | A kind of heat-fusible direct type PB hinders oxygen tubing |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830266A (en) * | 2017-12-07 | 2018-03-23 | 上海上塑控股（集团）有限公司 | A kind of hot and cold water hinders oxygen tubing with PB |
-
2016
- 2016-01-25 CN CN201620071598.8U patent/CN206018056U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830266A (en) * | 2017-12-07 | 2018-03-23 | 上海上塑控股（集团）有限公司 | A kind of hot and cold water hinders oxygen tubing with PB |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230516 Address after: No. 2528, Ganshan Road, Huzhou City, Zhejiang Province, 313000 Patentee after: Zhejiang Aikang Industrial Co.,Ltd. Address before: 201314 No. 4828 Shen Jiang Nan Road, Xinchang Town, Pudong New Area, Shanghai Patentee before: AKAN ENTERPRISE GROUP (SHANGHAI) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 2528, Ganshan Road, Huzhou City, Zhejiang Province, 313000 Patentee after: Aikang Enterprise Group (Zhejiang) Co.,Ltd. Address before: No. 2528, Ganshan Road, Huzhou City, Zhejiang Province, 313000 Patentee before: Zhejiang Aikang Industrial Co.,Ltd. |