CN204647582U - Polybutylene Pipe - Google Patents
Polybutylene Pipe Download PDFInfo
- Publication number
- CN204647582U CN204647582U CN201520270029.1U CN201520270029U CN204647582U CN 204647582 U CN204647582 U CN 204647582U CN 201520270029 U CN201520270029 U CN 201520270029U CN 204647582 U CN204647582 U CN 204647582U
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- interior body
- layer
- functional layer
- outer functional
- body layer
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
A kind of Polybutylene Pipe, comprise outer functional layer and interior body layer, described outer functional layer is placed at the outside of described interior body layer, the material of described outer functional layer is modification high-density polyethylene resin, the material of described interior body layer is polybutene resin, is also provided with a co-extrusion layer be composited by described modification high-density polyethylene resin and described polybutene resin between described outer functional layer and described interior body layer.The utility model overcomes because the tubing hydrostatic strength caused when improving Polybutylene Pipe weatherability reduces in prior art, the defect that working life shortens.Polybutylene Pipe of the present utility model has good weatherability, the features such as hydrostatic strength is high, long service life.
Description
Technical field
The utility model relates to a kind of Polybutylene Pipe.
Background technique
Polybutylene (PB) Guan Yinqi possesses good heat resisting and pressure resisting performance, is widely used in solar water, domestic hot-water, heating pipe system.When polybutylene (PB) pipe is used for solar water guard system, because it does not possess weatherability requirement, when bright dew lays, preventing coating protection measure must be carried out outside tubing.In prior art, preventing coating protection measure normally overlaps the anti-ultraviolet pipe of one deck again in polybutylene (PB) tube outside, or covers layer protecting film outside polybutylene (PB) pipe, adds difficulty like this, turn increase installation cost to construction.
The defect of weatherability requirement is not possessed for overcoming polybutylene (PB) pipe, prior art adds a certain proportion of additive, pigment and bulking agent etc. in polybutylene (PB) resin, because additive, pigment and bulking agent etc. have a certain impact to the physical mechanics of polybutylene (PB) tubing and chemical property, while improving polybutylene (PB) pipe weatherability, the hydrostatic strength of tubing can be reduced.Research shows, the hydrostatic laboratory strength of polybutylene (PB) tubing containing additive, pigment and bulking agent will reduce by 7 ~ 11% than polybutylene (PB) tubing not containing additive, pigment and bulking agent, greatly have impact on working strength and the life-span of polybutylene (PB) pipe.Therefore, one meets weatherability and requires and have good heat resisting and pressure resisting performance, and the tubing of long service life is the main development direction of polybutylene (PB) pipe from now on.
Model utility content
The technical problems to be solved in the utility model is to overcome because causing tubing hydrostatic strength to reduce when improving polybutylene (PB) pipe weatherability in prior art, the defect that working life shortens, and provides a kind of polybutylene (PB) to manage.Polybutylene of the present utility model (PB) pipe has good weatherability, the features such as hydrostatic strength is high, long service life.
The utility model solves above-mentioned technical problem by following technical proposals:
A kind of Polybutylene Pipe, comprise outer functional layer and interior body layer, described outer functional layer is placed at the outside of described interior body layer, its feature is, the material of described outer functional layer is modification high-density polyethylene resin, the material of described interior body layer is polybutene resin, is also provided with a co-extrusion layer be composited by described modification high-density polyethylene resin and described polybutene resin between described outer functional layer and described interior body layer.
Preferably, the wall thickness of described outer functional layer is 0.3 ~ 0.5mm.
Preferably, the wall thickness of described interior body layer is 1.3 ~ 21.9mm.
Preferably, outer functional layer wall thickness is 0.3mm; Interior body layer wall thickness is 1.9mm.
Preferably, outer functional layer wall thickness is 0.3mm; Interior body layer wall thickness is 2.3mm.
Preferably, outer functional layer wall thickness is 0.4mm; Interior body layer wall thickness is 4.6mm.
Preferably, outer functional layer wall thickness is 0.4mm; Interior body layer wall thickness is 5.8mm.
Positive progressive effect of the present utility model is:
1, outer functional layer of the present utility model adopts modification high-density polyethylene resin, has good anti-ultraviolet aging performance, meets the weatherability requirement of tubing, can long term exposure it goes without doing preventing coating protection in the sun.
2, interior body layer of the present utility model adopts polybutylene (PB) tube material, ensure that the physical mechanics that tubing is good and chemical property.
3, modification high-density polyethylene (HDPE) resin of outer functional layer of the present utility model and polybutylene (PB) the resin finishing performance of interior body layer close, this tubing is produced by two layers of co-extrusion compound molding, simultaneously because high density polyethylene (HDPE) (HDPE) resin and polybutylene (PB) resin have certain amalgamation, the contact segment of layer materials combines together, can increase the working strength of tubing further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Polybutylene Pipe in the utility model embodiment 1 ~ 4.
Description of reference numerals
1: outer functional layer
2: interior body layer
Embodiment
Also do to know to the utility model by reference to the accompanying drawings below by embodiment and intactly illustrate.
Embodiment 1
A kind of polybutylene (PB) pipe (dn20, S5), comprises outer functional layer 1 and interior body layer 2, and outer functional layer 1 and interior body layer 2 are by co-extrusion compound molding.The material selection modification high-density polyethylene resin of outer functional layer 1, material selection polybutylene (PB) resin of interior body layer 2.In compound molding process, the contact segment of modification high-density polyethylene resin and polybutene resin combines together, and forms the co-extrusion layer of a thinner thickness.As shown in Figure 1, outer functional layer 1 is placed at outside interior body layer 2.Co-extrusion layer (because the thickness of co-extrusion layer is compared very thin with outer functional layer with the thickness of interior body layer, therefore does not show) between functional layer 1 and interior body layer 2 outside in FIG.
In the present embodiment, the wall thickness of outer functional layer 1 is 0.3mm, and the wall thickness of interior body layer 2 is 1.9mm.
Embodiment 2
A kind of polybutylene (PB) pipe (dn20, S5), comprises outer functional layer 1 and interior body layer 2, and outer functional layer 1 and interior body layer 2 are by co-extrusion compound molding.The material selection modification high-density polyethylene resin of outer functional layer 1, material selection polybutylene (PB) resin of interior body layer 2.In compound molding process, the contact segment of modification high-density polyethylene resin and polybutene resin combines together, and forms the co-extrusion layer of a thinner thickness.As shown in Figure 1, outer functional layer 1 is placed at outside interior body layer 2.Co-extrusion layer (because the thickness of co-extrusion layer is compared very thin with outer functional layer with the thickness of interior body layer, therefore does not show) between functional layer 1 and interior body layer 2 outside in FIG.
In the present embodiment, the wall thickness of outer functional layer 1 is 0.3mm; The wall thickness of interior body layer 2 is 2.3mm.
Embodiment 3
A kind of polybutylene (PB) pipe (dn20, S5), comprises outer functional layer 1 and interior body layer 2, and outer functional layer 1 and interior body layer 2 are by co-extrusion compound molding.The material selection modification high-density polyethylene resin of outer functional layer 1, material selection polybutylene (PB) resin of interior body layer 2.In compound molding process, the contact segment of modification high-density polyethylene resin and polybutene resin combines together, and forms the co-extrusion layer of a thinner thickness.As shown in Figure 1, outer functional layer 1 is placed at outside interior body layer 2.Co-extrusion layer (because the thickness of co-extrusion layer is compared very thin with outer functional layer with the thickness of interior body layer, therefore does not show) between functional layer 1 and interior body layer 2 outside in FIG.
In the present embodiment, the wall thickness of outer functional layer 1 is 0.4mm; The wall thickness of interior body layer 2 is 4.6mm.
Embodiment 4
A kind of polybutylene (PB) pipe (dn20, S5), comprises outer functional layer 1 and interior body layer 2, and outer functional layer 1 and interior body layer 2 are by co-extrusion compound molding.The material selection modification high-density polyethylene resin of outer functional layer 1, material selection polybutylene (PB) resin of interior body layer 2.In compound molding process, the contact segment of modification high-density polyethylene resin and polybutene resin combines together, and forms the co-extrusion layer of a thinner thickness.As shown in Figure 1, outer functional layer 1 is placed at outside interior body layer 2.Co-extrusion layer (because the thickness of co-extrusion layer is compared very thin with outer functional layer with the thickness of interior body layer, therefore does not show) between functional layer 1 and interior body layer 2 outside in FIG.
In the present embodiment, the wall thickness of outer functional layer 1 is 0.4mm; The wall thickness of interior body layer 2 is 5.8mm.
In above-described embodiment, described modification high-density polyethylene resin is provided by Shanghai Shangfeng Group Co., Ltd., described material modified by high density polyethylene (HDPE) (HDPE) primary colors material, heat-proof polythene primary colors material, content of carbon black be 50% PE tubing color masterbatch and antioxidant 264 70 ~ 80%, 15 ~ 25%, 4.5% and 0.5% to form by weight percentage; Wherein, described high density polyethylene (HDPE) (HDPE) primary colors material is the TR480 of the luxuriant and rich with fragrance petrochemical industry of Shanghai gold, described heat-proof polythene primary colors material is the DX800 of SK Ltd. of Korea S, described content of carbon black be 50% PE tubing color masterbatch be the Cabot2762 of Cabot company of the U.S., described antioxidant 264 is the Vulkanox BHT of Bayer A.G.
In other embodiments of the present utility model, the range of choice of the wall thickness of described interior body layer is 1.3 ~ 21.9mm, and the range of choice of the wall thickness of described outer functional layer is 0.3 ~ 0.5mm.
To the anti-ultraviolet aging testing property of polybutylene (PB) pipe in embodiment 1 ~ 4, test and carry out according to standard GB/T/T17391.Test result: the oxidation induction time of the outer functional layer of polybutylene (PB) pipe of embodiment 1 ~ 4 is respectively 72.3min, 81.2min, 78.7min and 75.6min.
Polybutylene (PB) pipe of embodiment 1 ~ 4 is carried out hydrostatic test according to after the regulation ageing of standard GB/T/T16422.2, and hydrostatic test is undertaken by the regulation of standard GB/T/T6111.Test finds, the hydrostatic strength of polybutylene (PB) pipe of embodiment 1 ~ 4: 20 DEG C, 1h, 15.5Mpa; 95 DEG C, 22h, 6.5Mpa; 95 DEG C, 165h, 6.2Mpa and 95 DEG C, equal ne-leakage, crack-free under 1000h, 6.0Mpa.
As can be seen here, outer functional layer of the present utility model adopts modification high-density polyethylene resin, has good anti-ultraviolet aging performance, meets the weatherability requirement of tubing, can long term exposure it goes without doing preventing coating protection in the sun.Modification high-density polyethylene (HDPE) resin of outer functional layer of the present utility model and polybutylene (PB) the resin finishing performance of interior functional layer close, this tubing is produced by two layers of co-extrusion compound molding, simultaneously because high density polyethylene (HDPE) (HDPE) resin and polybutylene (PB) resin have certain amalgamation, layer materials combines together, can increase the working strength of tubing further.
Although the foregoing describe embodiment of the present utility model, it will be understood by those of skill in the art that this only illustrates, protection domain of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these mode of executions, but these change and amendment all falls into protection domain of the present utility model.
Claims (7)
1. a Polybutylene Pipe, comprise outer functional layer and interior body layer, described outer functional layer is placed at the outside of described interior body layer, it is characterized in that, the material of described outer functional layer is modification high-density polyethylene resin, the material of described interior body layer is polybutene resin, is also provided with a co-extrusion layer be composited by described modification high-density polyethylene resin and described polybutene resin between described outer functional layer and described interior body layer.
2. Polybutylene Pipe as claimed in claim 1, it is characterized in that, the wall thickness of described outer functional layer is 0.3 ~ 0.5mm.
3. Polybutylene Pipe as claimed in claim 2, it is characterized in that, the wall thickness of described interior body layer is 1.3 ~ 21.9mm.
4. Polybutylene Pipe as claimed in claim 3, it is characterized in that, outer functional layer wall thickness is 0.3mm; Interior body layer wall thickness is 1.9mm.
5. Polybutylene Pipe as claimed in claim 3, it is characterized in that, outer functional layer wall thickness is 0.3mm; Interior body layer wall thickness is 2.3mm.
6. Polybutylene Pipe as claimed in claim 3, it is characterized in that, outer functional layer wall thickness is 0.4mm; Interior body layer wall thickness is 4.6mm.
7. Polybutylene Pipe as claimed in claim 3, it is characterized in that, outer functional layer wall thickness is 0.4mm; Interior body layer wall thickness is 5.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520270029.1U CN204647582U (en) | 2015-04-28 | 2015-04-28 | Polybutylene Pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520270029.1U CN204647582U (en) | 2015-04-28 | 2015-04-28 | Polybutylene Pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204647582U true CN204647582U (en) | 2015-09-16 |
Family
ID=54100333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520270029.1U Expired - Fee Related CN204647582U (en) | 2015-04-28 | 2015-04-28 | Polybutylene Pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204647582U (en) |
-
2015
- 2015-04-28 CN CN201520270029.1U patent/CN204647582U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20200428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |