CN202708352U - PE160-rank fiber-reinforced polyethylene tube stock - Google Patents
PE160-rank fiber-reinforced polyethylene tube stock Download PDFInfo
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- CN202708352U CN202708352U CN 201220378448 CN201220378448U CN202708352U CN 202708352 U CN202708352 U CN 202708352U CN 201220378448 CN201220378448 CN 201220378448 CN 201220378448 U CN201220378448 U CN 201220378448U CN 202708352 U CN202708352 U CN 202708352U
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- density polyethylene
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- polyethylene
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Abstract
The utility model discloses a PE160-rank fiber-reinforced polyethylene tube stock. The PE160-rank fiber-reinforced polyethylene tube stock comprises a high-density polyethylene inner layer tube (1), a high-density polyethylene outer layer tube (3) and a fiber-reinforced polyethylene middle layer tube (2), wherein the fiber-reinforced polyethylene middle layer tube (2) is arranged between the high-density polyethylene inner layer tube (1) and the high-density polyethylene outer layer tube (3), and each two adjacent tube layers are tightly combined. The PE160-rank fiber-reinforced polyethylene tube stock has the beneficial effects that the fiber-reinforced polyethylene middle layer tube is arranged between two layers of high-density polyethylene tubes, compared with the common PE tubes, the pressure of the tubes with equal wall thickness is doubled, energy conservation and emission reduction purposes can be achieved, working pressure is increased, and the PE160-rank fiber-reinforced polyethylene tube stock is safer and more reliable, has excellent ring stiffness and good strength and toughness, as well as the characteristics of being light in weight, strong in impact resistance, difficult to damage, and the like.
Description
Technical field
The utility model relates to the polyvinyl piping materials technical field, particularly PE160 level fiber reinforcement polyvinyl piping materials.
Background technique
High density polyethylene (HDPE) (High Density Polyethylene is referred to as " HDPE ") is high, the nonpolar thermoplastic resin of a kind of degree of crystallinity, softness and flexible, but slightly harder than LDPE, also slightly can extend, nontoxic, tasteless.PE has the characteristic of good anti-great majority life and chemicals for industrial use, and non-hygroscopic and have a steam-preventing of getting well.HDPE also has good electrical property, and particularly dielectric strength is high.But the bad mechanical property of high density polyethylene (HDPE) is yielding, and is easily aging, easy embrittlement, and easily stress cracking is restricting the extensive use of HDPE.
The model utility content
The purpose of this utility model is to overcome the shortcoming of prior art, and the PE160 level fiber reinforcement polyvinyl piping materials that a kind of hotline expansion coefficient is little, increased strength and stiffness, physical and mechanical property excellence is provided.
The purpose of this utility model is achieved through the following technical solutions: PE160 level fiber reinforcement polyvinyl piping materials, it comprises high density polyethylene (HDPE) inner tube, high density polyethylene (HDPE) external pipe and fiber reinforcement polyethylene middle tube, fiber reinforcement polyethylene middle tube is arranged between high density polyethylene (HDPE) inner tube and the high density polyethylene (HDPE) external pipe, and combines closely between the adjacent tubes layer.
Described high density polyethylene (HDPE) inner tube is 1:1～1.5 with the ratio of the thickness of pipe wall of high density polyethylene (HDPE) external pipe, and comparing of the thickness of pipe wall of described high density polyethylene (HDPE) inner tube and fiber reinforcement polyethylene middle tube is 1:1～3.
The utlity model has following advantage: the utility model has added one deck fiber reinforcement polyethylene middle tube between two-layer high density polyethylene pipe layer, compare with common PE tubing, the tubing pressure of identical wall thickness doubles, energy-saving and emission-reduction, improve working pressure, safety and reliability has excellent ring stiffness and good strength and toughness, and lightweight, impact resistance by force, characteristics such as cracky not.Its rank of the utility model tubing reaches PE160 grade standard (the PE160 level: tubing was 20 ℃ of ring stress 16MPa safe handling 50 years).Its intensity, rigidity, toughness and hot expansibility are taken into account balance, physical and mechanical property is excellent, hotline expansion coefficient is little, has reduced the tubing distortion, can be without slip joint, improved the working pressure of tubing, increased strength and stiffness, excellent performance is compared the other materials pipe, can reach usage requirement with thinner wall thickness, thus the material of having saved.The physical and chemical performance index of the utility model tubing and the contrast of common PE pipe are as follows:
Advantage of the present utility model specifically comprises:
1, engineering cost is low:
Compare with steel pipe and will save cost 30～50%; Comparing comprehensive cost with cement pipe remains basically stable; Compare with glass fibre reinforced plastics ash sandpipe, only need 1/5 engineering cost; Come than also saving 25%～50% with HDPE steel strip winding pipe of the same type.The maintenance of works expense is also extremely low, is 1/5 expense of other tubing.
2, the tubing bearing capacity is strong:
The utility model is compared with common PE tubing, and identical wall thickness working pressure doubles, and the low long-term use of expansion coefficient is indeformable, and anti-pressure ability can come the different grade of choice for use according to the different usage requirement of client by force between 0.4MPa to 2.5MPa.
3, density is high, lightweight:
Base-material HDPE is the english abbreviation of high density polyethylene (HDPE), and molecular weight is 70,000～300,000, and density is 0.941～0.965, and is lightweight, is 1/8 of steel pipe, is 1/10 of cement pipe, and the lifting cost in the time of can greatly reducing freight and installation is used.
4, resistance to chemical attack:
Polyethylene is inert material, but the erosion of the various chemical mediators such as acid-and base-resisting, salt without electrochemical corrosion, itself is exactly fabulous anti-corrosion material.
5, the shock resistance spy is good:
The utility model tubing has good resistivity to the surface subsidence that underground motion produces, (particularly earthquake) in nineteen ninety-five Japan Kobe violent earthquake, the PE fuel tube, supply pipe, drain pipe are unique pipe-line systems of escaping by luck.Japanese direct buried pipeline all adopts the PE pipe hereafter.Domestic Baoshan, Yunnan district in April 10 calendar year 2001,5.9 grades of earthquakes occured on the 12nd, have two-way PE pipe safe and sound, remaining under ground piping all damages, so the PE material is the best pipeline of present anti-seismic performance.
6, have good sanitation performance:
The structure of molecule of PE material is two hydrogen of (CH2) carbon, even it is decomposed also safety non-toxic, the PE material belongs to foodstuff sanitation-stage, is used for low service, no secondary pollution.
7, inner wall smooth, water resistance is little, non-scaling:
The inwall of the utility model tubing is very smooth, and inwall absolute roughness K value is no more than 0.01mm, and steel pipe ductile iron pipe K=0.06mm, and metallic conduit was through the operation in 10 years, and the K value will increase to 5～10 times (fouling causes).And the molecular surface of PE material is not with positive and negative electric charge, and charged impurity just can not be attached on the tube wall in the water, with regard to non flouling behaviour, so flow is also large.The same large caliber of PE pipe and metal tube is in the situation that the flow of same pressure PE pipe wants large 1/4.
8, special good resistance to low temperature:
Operating temperature of the present utility model can be at-40 ℃～60 ℃, and the long-term work temperature is no more than 45 ℃, and the scope of operating temperature is very wide, can also can construct-30 ℃ severe cold.
9, good shock resistance:
In existing market all plastic tube PVC, PP, ABS, PB, PE and tubing described in the utility model, the impact strength of tubing described in the utility model is best, and by test, the impact strength of the utility model tubing is 10 times of PVC, being 6 times of PP, is 2 times of PE.
10, good electrical insulation capability:
The PE molecular chain overwhelming majority (CH2-) forms polar functionalities not, thereby have very excellent fire retardant by methylene.Power frequency is in 50～100HZ scope, and the permittivity of HDPE and dielectric loss angle tangent are all irrelevant with power frequency, therefore is particularly suitable as the insulating material of high-frequency power, electrical equipment.PE is a kind of good insulating material, and the crust isolation layer of electric wire all adopts PE to do basically.The PE double-wall corrugated pipe can be used as the direct-burried sheathed casing of cable or casts in the concrete the inside, sells well very much as the market of cable sheath tube.Various performance index are eager to excel in whatever one does more a lot of than PVC cable sleeve.
11, have good sealability, non-leakage: the Placement of the utility model tubing has two kinds: the ⑴ joint socket connects, the crimping of ⑵ Hough card; These two kinds of connecting means can be accomplished substantially non-leakage, because be more traditional Placement all.Use abroad lower all very successful, very ripe.Domestic also have good multiple-project to use, and sees all relatively good according to situation about using.Leakage rate can be controlled within 2%, has effectively controlled the pollution of groundwater resources.
12, long service life: after the ectocines such as the creep of HDPE raw material process, oxidation, the life-span can keep 50 years at least.
13, environmental protection: HDPE is a kind of environment-friendly materials, can not pollute generations such as societies, and easily reclaim.
14, applied range: be mainly used in: the transformation of the draining in city, drainage project, drainage engineering, field irrigation, sand control engineering, low service, municipal drainage, blow-off line, electric wire, the buried sheath of cable, mining ventilation duct etc.Can also be as the ventilation duct of central air-conditioner and the ventilation duct of mine, use occasion is wide, amount is large, purposes is wide.
Description of drawings
Fig. 1 is structural representation of the present utility model
Among the figure, 1-high density polyethylene (HDPE) inner tube, 2-fiber reinforcement polyethylene middle tube, 3-high density polyethylene (HDPE) external pipe.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
As shown in Figure 1, PE160 level fiber reinforcement polyvinyl piping materials, it comprises high density polyethylene (HDPE) inner tube 1, high density polyethylene (HDPE) external pipe 3 and fiber reinforcement polyethylene middle tube 2, fiber reinforcement polyethylene middle tube 2 is arranged between high density polyethylene (HDPE) inner tube 1 and the high density polyethylene (HDPE) external pipe 3, and combine closely between the adjacent tubes layer, adopt the three-layer co-extruded moulding of one-process.
Described high density polyethylene (HDPE) inner tube 1 is 1:1～1.5 with the ratio of the thickness of pipe wall of high density polyethylene (HDPE) external pipe 3, and described high density polyethylene (HDPE) inner tube 1 is than being 1:1～3 with the ratio of the thickness of pipe wall of fiber reinforcement polyethylene middle tube 2.
High density polyethylene (HDPE) inner tube 1 and high density polyethylene (HDPE) external pipe 3 adopt common high-density polyethylene material, and fiber reinforcement polyethylene middle tube 2 adopts high-performance fiber enhanced polyethylene material.
High-performance fiber enhanced polyethylene material is as base material take the high density polyethylene resin, with super emblem fibril polyethylene is strengthened, adopting coupling agent that super emblem fibril is carried out surface modification (interface processing), improves compound is compatibility and fine dispersion technique; Adopt bulking agent to promote on the basis of incompatible system (connecing skill) interface configuration structure and character, by the compatible system reaction of twin-screw extrusion and blending technology, realized simultaneously polyethylene being strengthened-increasing just, reduce coefficient of linear expansion, improve the purpose that improves mechanical property and thermal characteristics, obtained class feedwater material modified with PE160 level enhanced polyethylene, carry out three-layer co-extruded with this material and common high-density polyethylene material, obtain PE160 level fiber reinforcement polyvinyl piping materials, this tubing is compared with common PE tubing, the tubing pressure of identical wall thickness doubles, energy-saving and emission-reduction, improve working pressure, safety and reliability has excellent ring stiffness and good strength and toughness, and lightweight, impact resistance is strong, characteristics such as cracky not.
It comprises following component high-performance fiber enhanced polyethylene material, and the weight ratio of each component is: HDPE resin 100, inorganic rigid particle 0.5～50, ultra tiny fiber 1～40, functional raw material 0.05～10.Described inorganic rigid particle is that medium grain size is that calcium carbonate, French chalk, wollastonite, white clay or the medium grain size of 0.5～10 μ m is one or more in silicate, wollastonite, French chalk, silica and the calcium carbonate of 1～1000nm.Described ultra tiny fiber is that diameter is one or more in nylon, polyvinyl, glass fibre and the aramid fiber of 0.1～20 μ m.Described functional raw material is one or more in antioxidant, oiling agent, coupling agent, solubilizer and the inducing agent.
High-performance fiber enhanced polyethylene material preparation method, it may further comprise the steps:
A, choose the raw material except ultra tiny fiber of stating in the prescription and proportionally prepare weighing and put into high mixer and stirred 3～15 minutes;
B, the material that mixes in the steps A is added in single screw rod or the Bitruder barrel, the temperature of setting each workshop section of extruder is respectively: 50～150 ℃ of feed zones, plastify 1 section 120～250 ℃, plastify 2 sections 150～280 ℃, plastify 3 sections 130～280 ℃, 150～250 ℃ of mouthful mould sections, set rear start by above-mentioned parameter, screw speed transfers to 100～500 and turns, and feed rate transfers to 10～100 and turns, and feeds in the above-mentioned prescription the proportionally ultra tiny fiber of weighing at the fiber mouth;
C, finish above-mentioned steps after, normally lead a cooling, pelletizing, drying and packaging.
Claims (2)
1.PE160 level fiber reinforcement polyvinyl piping materials, it is characterized in that: it comprises high density polyethylene (HDPE) inner tube (1), high density polyethylene (HDPE) external pipe (3) and fiber reinforcement polyethylene middle tube (2), fiber reinforcement polyethylene middle tube (2) is arranged between high density polyethylene (HDPE) inner tube (1) and the high density polyethylene (HDPE) external pipe (3), and combines closely between the adjacent tubes layer.
2. PE160 level fiber reinforcement polyvinyl piping materials according to claim 1, it is characterized in that: described high density polyethylene (HDPE) inner tube (1) is 1:1～1.5 with the ratio of the thickness of pipe wall of high density polyethylene (HDPE) external pipe (3), and described high density polyethylene (HDPE) inner tube (1) is 1:1～3 with the ratio of the thickness of pipe wall of fiber reinforcement polyethylene middle tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220378448 CN202708352U (en) | 2012-08-01 | 2012-08-01 | PE160-rank fiber-reinforced polyethylene tube stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220378448 CN202708352U (en) | 2012-08-01 | 2012-08-01 | PE160-rank fiber-reinforced polyethylene tube stock |
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| Publication Number | Publication Date |
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| CN202708352U true CN202708352U (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220378448 Expired - Fee Related CN202708352U (en) | 2012-08-01 | 2012-08-01 | PE160-rank fiber-reinforced polyethylene tube stock |
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| CN (1) | CN202708352U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515090A (en) * | 2016-11-15 | 2017-03-22 | 昆山圣星通讯器材有限公司 | High-strength silicon-cored tube and manufacturing method thereof |
| CN114474871A (en) * | 2021-12-28 | 2022-05-13 | 日丰新材有限公司 | PE water supply pipe and preparation method thereof |
| CN115534417A (en) * | 2022-10-28 | 2022-12-30 | 福建亚通新材料科技股份有限公司 | High-density polyethylene stiffening pipe for oyster raft |
-
2012
- 2012-08-01 CN CN 201220378448 patent/CN202708352U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515090A (en) * | 2016-11-15 | 2017-03-22 | 昆山圣星通讯器材有限公司 | High-strength silicon-cored tube and manufacturing method thereof |
| CN114474871A (en) * | 2021-12-28 | 2022-05-13 | 日丰新材有限公司 | PE water supply pipe and preparation method thereof |
| CN115534417A (en) * | 2022-10-28 | 2022-12-30 | 福建亚通新材料科技股份有限公司 | High-density polyethylene stiffening pipe for oyster raft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YANG DIANYUN Free format text: FORMER OWNER: SICHUAN HONGJIN INDUSTRY TRADE CO., LTD. Effective date: 20140731 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610000 MEISHAN, SICHUAN PROVINCE TO: 610036 CHENGDU, SICHUAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140731 Address after: 610036 Sichuan city of Chengdu province Jinniu District Jin Fang Yuan Road No. 26 Building 1, unit 1, No. 8 Patentee after: Yang Dianyun Address before: 610000 Renshou Economic Development Zone, Renshou County, Sichuan, Meishan Patentee before: Sichuan Hongjin Industry Trade Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20190801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |