CN102807696A - Glass fiber-reinforced PE (Poly Ethylene) compound material and preparation method and application thereof - Google Patents
Glass fiber-reinforced PE (Poly Ethylene) compound material and preparation method and application thereof Download PDFInfo
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- CN102807696A CN102807696A CN 201110145320 CN201110145320A CN102807696A CN 102807696 A CN102807696 A CN 102807696A CN 201110145320 CN201110145320 CN 201110145320 CN 201110145320 A CN201110145320 A CN 201110145320A CN 102807696 A CN102807696 A CN 102807696A
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- glass
- resin
- glass fiber
- matrix material
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Abstract
The invention discloses a glass fiber-reinforced PE (Poly Ethylene) compound material, which consists of the following components in percentage by weight: 70-85 percent of PE resin, 1-10 percent of a lubricating agent and 10-25 percent of glass fiber. The glass fiber-reinforced PE compound material has the beneficial effects: 1, the high-temperature resistance is superior, and the temperature of water conveyed by using a pipeline can be up to 120 DEG C under the normal working pressure; 2, the refrigerating resistance is high, better refrigerating resistance than a PE pipe is achieved when the glass fiber-reinforced PE compound material is used in a refrigerating state, the low-temperature resistance is ultrahigh, and the glass fiber-reinforced PE compound material can be used normally at the temperature of 40 DEG C below zero; 3, the impact resistance is higher, the weight is lighter (the specific gravity is only one eighth that of a metal), the strength is enhanced, the pipeline is prevented from dropping downwards, the passwords and quantity of fixed supporting points are reduced, and the comprehensive cost of engineering is lowered; and 4, the expansion coefficient is low, is only 20 percent that of an ordinary PP-R (Polypropylene Random) pipe and is approximate to that of a metal, and the problem that a plastic pipeline is bent and extends and contracts when meeting hot water is solved completely.
Description
Technical field
The present invention relates to a kind of PE matrix material, be specially a kind of glass and strengthen the PE matrix material, belong to the plastic pipe field.
Background technology
Chinese at present municipal tubing market, plastic conduit are just in stable development, and PE pipe, PP-R pipe, UPVC pipe all occupy a tiny space, and wherein the powerful growth momentum of PE pipe attracts people's attention the most.The use field of PE pipe is extensive.Wherein water service pipe and gas line are the application markets of its two maximums.PE (Vilaterm) material is widely used in water service pipe and makes the field owing to characteristics such as its intensity are high, high temperature resistant, anticorrosive, nontoxic.Because it can not get rusty, so, be the desirable tubing that substitutes common iron water service pipe.But in daily use, also exist some defectives: when 1, generally setting up pipeline, span is bigger, and the insufficient strength of present PE pipe is sagging in the middle of regular meeting takes place, and then the disruptive problem; 2, meet hot water bending easily, flexible, expansion, cause the water pipe distortion, and then body of wall is damaged.
Summary of the invention
The objective of the invention is in order to provide a kind of glass to strengthen the PE matrix material, to solve the problems referred to above of prior art.
Another object of the present invention is for application that this PE matrix material is provided and preparation method.
The object of the invention can be realized through following technical scheme.
A kind of glass strengthens the PE matrix material, and by weight percentage, it is formed and proportioning is:
PE resin 70-85%
Lubricant 1-10%
Glass 10-25%.
Described Vilaterm is a kind of in HDPE resin, LDPE resin and the LLDPE resin, and melting index is at 2～10g/10min, preferred HDPE resin.
Described lubricant is that OP wax and ethylene-acrylic acid copolymer mix.
Described glass is that described spun glass is a roving, and diameter is 8～15mm.
Above-mentioned glass strengthens the preparation method of PE matrix material; Concrete steps are: take by weighing PE resin and lubricant behind high mixer high speed mixing by proportioning; Melt extrude through twin screw extruder; Glass is added by side direction glass charging opening, just can get said composition through cooling granulation again, and technological temperature is 240-260 ℃.
This glass strengthens PE matrix material resistance to elevated temperatures, resistance to frost is good, shock resistance is stronger, intensity enhancing, the coefficient of expansion are low, in light weight, can be applicable to the production of water pipe, prevents the pipeline sag.
The present invention has following beneficial effect: 1, the resistance to elevated temperatures of brilliance, under the service pressure, the water temperature of pipe-line transportation can reach 120 ℃.2, resistance to frost is good, uses at freezing state, and resistance to frost is run well than PE, superpower anti-low temperature, and 40 degrees below zero can normally use.3, shock resistance is stronger, in light weight (proportion be merely metal 1/8th), intensity enhancing, prevents the pipeline sag, has also reduced the password and the quantity of fixed support point, thereby has reduced the comprehensive cost of engineering.4, the coefficient of expansion is low, is merely 20% of common PP-R pipe, and is approaching with metal, thoroughly solved plastic conduit and met the crooked flexible difficult problem of hot water.
Embodiment
Further set forth technical characterstic of the present invention below in conjunction with specific embodiment.
Material used among the present invention is following:
Dushanzi, the HDPE Xinjiang trade mark 6070;
Zhuo Huagong is praised in OP wax Shanghai;
The trade mark 540A of ethylene propylene diluted acid multipolymer U.S. Honeywell company;
Glass megalith group produces, trade mark ER-988.
Take by weighing PE resin and lubricant behind high mixer high speed mixing by proportioning, melt extrude through twin screw extruder, glass is added by side direction glass charging opening, just can get said composition through cooling granulation again, and technological temperature is 240-260 ℃.
The prescription of embodiment 1～4
| Prescription | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| HDPE | 6070 | ?70 | ?75 | ?80 | ?85 |
| Glass | ER-988 | ?25 | ?20 | ?15 | ?10 |
| Lubricant | PETS | ?5 | ?5 | ||
| Lubricant | OP wax | ?5 | ?5 |
The test result of gained material is following:
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Tensile strength (MPa) | 100 | 102 | 104 | 120 |
| Flexural strength (MPa) | 110 | 100 | 115 | 130 |
| Modulus in flexure (MPa) | 4000 | 3990 | 4120 | 4530 |
| Heat-drawn wire 1.82MPa | 135 | 136 | 138 | 140 |
| Color | In vain | In vain | In vain | In vain |
| Outward appearance | Good | Good | Good | Have slightly and expose |
Can be known by last table: embodiment has outward appearance preferably, and the adding of HDPE improved flowability, makes the processing temperature 10-20 degree that descended, and has reduced production cost, has improved productivity.Reasonably the adding of lubricant has improved product appearance greatly, has reduced glass emergence on the surface.
Claims (7)
1. a glass strengthens the PE matrix material, it is characterized in that: by weight percentage, it is formed and proportioning is:
PE resin 70-85%
Lubricant 1-10%
Glass 10-25%
2. a kind of glass according to claim 1 strengthens the PE matrix material, it is characterized in that: described PE resin is a kind of in HDPE resin, LDPE resin and the LLDPE resin, and melting index is at 2～10g/10min.
3. a kind of glass according to claim 2 strengthens the PE matrix material, and it is characterized in that: the PE resin is the HDPE resin.
4. a kind of glass according to claim 1 strengthens the PE matrix material, it is characterized in that: described lubricant is a kind of in OP wax and the ethylene-acrylic acid copolymer.
5. a kind of glass according to claim 1 strengthens the PE matrix material, and it is characterized in that: described glass is that described spun glass is a roving, and diameter is 8～15mm.
6. the said glass of claim 1 strengthens the preparation method of PE matrix material; It is characterized in that: concrete steps are: take by weighing PE resin and lubricant behind high mixer high speed mixing by proportioning; Melt extrude through twin screw extruder; Glass is added by side direction glass charging opening, just can get said composition through cooling granulation again, and technological temperature is 240-260 ℃.
7. strengthen the PE matrix material according to one of any glass of claim 1-6 and be applied to the water pipe manufacturing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110145320 CN102807696A (en) | 2011-05-31 | 2011-05-31 | Glass fiber-reinforced PE (Poly Ethylene) compound material and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110145320 CN102807696A (en) | 2011-05-31 | 2011-05-31 | Glass fiber-reinforced PE (Poly Ethylene) compound material and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102807696A true CN102807696A (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110145320 Pending CN102807696A (en) | 2011-05-31 | 2011-05-31 | Glass fiber-reinforced PE (Poly Ethylene) compound material and preparation method and application thereof |
Country Status (1)
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| CN (1) | CN102807696A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105694175A (en) * | 2016-01-30 | 2016-06-22 | 宁波喜悦塑料包装品有限公司 | High-strength high/low-temperature-resistant HDPE (high-density polyethylene) material and preparation method thereof |
| CN105757357A (en) * | 2016-05-05 | 2016-07-13 | 日丰企业集团有限公司 | Prefabricated directly-buried thermal-insulating plastic pipe taking glass fiber reinforced PERT pipe as working pipe and preparation method thereof |
| CN105778205A (en) * | 2014-12-25 | 2016-07-20 | 上海久通塑胶制品有限公司 | Formula for enhanced polyethylene pipe |
| CN112063031A (en) * | 2020-09-15 | 2020-12-11 | 江西龙正科技发展有限公司 | HDPE steel strip spiral pipe and preparation method thereof |
-
2011
- 2011-05-31 CN CN 201110145320 patent/CN102807696A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105778205A (en) * | 2014-12-25 | 2016-07-20 | 上海久通塑胶制品有限公司 | Formula for enhanced polyethylene pipe |
| CN105694175A (en) * | 2016-01-30 | 2016-06-22 | 宁波喜悦塑料包装品有限公司 | High-strength high/low-temperature-resistant HDPE (high-density polyethylene) material and preparation method thereof |
| CN105757357A (en) * | 2016-05-05 | 2016-07-13 | 日丰企业集团有限公司 | Prefabricated directly-buried thermal-insulating plastic pipe taking glass fiber reinforced PERT pipe as working pipe and preparation method thereof |
| CN112063031A (en) * | 2020-09-15 | 2020-12-11 | 江西龙正科技发展有限公司 | HDPE steel strip spiral pipe and preparation method thereof |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121205 |