CN1778837A - Mineral polyethylene piping materials and production thereof - Google Patents
Mineral polyethylene piping materials and production thereof Download PDFInfo
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- CN1778837A CN1778837A CN 200410087639 CN200410087639A CN1778837A CN 1778837 A CN1778837 A CN 1778837A CN 200410087639 CN200410087639 CN 200410087639 CN 200410087639 A CN200410087639 A CN 200410087639A CN 1778837 A CN1778837 A CN 1778837A
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Abstract
A mineral polyethylene piping material and its production are disclosed. It consists of fire retardant 3~30wt%, anti-static parent particle 0.04~3.5wt% and polyethylene 66.5~96.96wt%. The process is carried out by mixing polyethylene with retardant and anti-static agent in mixer for 90~150 seconds, adding into bi-screw extruder, melt co-mixed extruding at 190~240DEG C and rotating speed 120~180r/min and extruding speed 4~12m/min, cooling, coiling and packing to obtain the final products. Its advantages include light weight, low cost, strong fire-retardant performance and low surface resistivity.
Description
Technical field:
The present invention relates to a kind of novel polyethylene tubing, a kind of mineral polyethylene piping materials and preparation method thereof is provided especially.
Background technology:
In the prior art, there are two big classes in traditional colliery with tubing.Wherein first class is a steel pipe, and there is the following generally acknowledged shortcoming in it: proportion is bigger, is 7 times of PE tubing, and the borehole operation difficulty is big; Corrosion-resistant, bump easily produces spark and has potential safety hazard; Cost height, installation and maintenance inconvenience.Second largest class is a Glass Steel Tube, though its erosion resistance is better than steel pipe, and interface requirement height, easy to leak; Install and use simultaneously and also have many difficulties in the process; The cost height.
In recent years, country widelys popularize the application plastics tubing, and plastics tubing develops very rapid with its excellent properties and the just continuous alternative metals of power conservation feature and other traditional material pipes.So the third-largest class colliery tubing---plastics tubing occurred.It has following excellent characteristics: antistatic, fire-retardant; Nontoxic, corrosion-resistant, anti-high pressure; Light weight, easily installation are " to mould Dai Gang ", the desirable tubing of realizing resource optimization.
The colliery is used for the contour hazardous environment in colliery with the plastic pipe pipe, and the colliery except the physical and mechanical properties that should possess general plastics tubing, also must have static resistance, self-extinguishing with plastics tubing, and products of combustion must not have hypertoxicity.
The technology contents of invention:
The invention provides a kind of novel mineral polyethylene piping materials, it is characterized in that: this tubing constitutes by adding polyethylene raw material antistatic and fire retardant, and used material composition of this tubing and the shared weight percent of each composition are:
Fire retardant: 3%～30%;
Antistatic master granule: 0.04%～3.5%;
Polyethylene: surplus.
A kind of mineral polyethylene piping materials of the present invention is characterized in that: fire retardant can have following three kinds of formation schemes:
1, forms separately by micro encapsulation red phosphorus;
2, be made up of decabromodiphenyl oxide and two kinds of materials of antimonous oxide fire retardant, both weight ratios are:
Decabromodiphenyl oxide: 30%～60%;
Antimonous oxide: 40%～70%.
3, fire retardant is made up of three kinds of materials, and three kinds of materials and its weight ratio are:
Decabromodiphenyl oxide: 1%～47%;
Antimonous oxide: 1%～47%;
Red phosphorus: surplus.
A kind of mineral polyethylene piping materials of the present invention is characterized in that: used antistatic master granule is made of polyethylene raw material and static inhibitor; Both weight ratios are:
Polyvinyl resin: 95%～99%;
Static inhibitor: 1%～5%.
A kind of mineral polyethylene piping materials of the present invention is characterized in that: static inhibitor is cationic static inhibitor, anionic antistatic agent, non-ionic antistatic agent, amphoteric ion type static inhibitor.
A kind of mineral polyethylene piping materials of the present invention is characterized in that: described tube outer diameter is 10～200mm, and thickness of pipe is 1～30mm.
Mineral polyethylene piping materials of the present invention is applicable to water supply under the coal mine, draining, pressure wind, whitewashes and draws out methane.
The preparation method of mineral polyethylene piping materials of the present invention is:
The polyethylene, fire retardant and the static inhibitor that satisfy according to the described weight percent of claim 1 were mixed in mixing machine 90～150 seconds, then, adding the twin screw extruder melt blending extrudes, processing temperature is 190～240 ℃, rotating speed is 120～180 rev/mins, extruded velocity becomes finished product at 4～12 meters/minute after cooling off, batch, packing.
Advantage of the present invention is: added fire retardant in the tubing, the tubing of production has very strong flame retardant properties; Added static inhibitor in the tubing, can reduce surface resistivity by static inhibitor; Tubing of the present invention is nontoxic, corrosion-resistant, light weight, easily install, anti-high pressure, be applicable in the contour hazardous environment in colliery, simultaneously, tubing manufacturing process of the present invention is simple, production cost is low, need not to add specific installation, economic benefit and obvious social benefit.
Embodiment:
Embodiment 1
The preparation of antistatic master granule:
Static inhibitor ASH-1 (Beijing City Chemical-Industry Academy) is joined among the polyvinyl resin 2344E (Dow Chemical) by 5% of weight resin, in mixing machine, mixed 120 seconds, adding the twin screw extruder melt blending then extrudes, processing temperature is 190～240 ℃, rotating speed is 120～180 rev/mins, and extruding pelletizing, to make anti-electrostatic content be 5% antistatic master batch.
Embodiment 2
A kind of mineral polyethylene piping materials is characterized in that: this tubing constitutes by adding polyethylene antistatic and fire retardant, and used material composition of this tubing and the shared weight percent of each composition are:
Vinyon: 80% (2344E of MDPE Dow Chemical, commercially available prod);
Fire retardant---micro encapsulation red phosphorus: 19% (AMGARD CRP commercially available prod);
Antistatic master granule: 1% (self-control, as described in embodiment 1, following example all with.)。
Above-mentioned three kinds of raw materials are mixed in mixing machine add after 90 seconds in the main extruder hopper of extruding in the unit, extrude after drying, processing temperature is between 200～240 ℃, the production tube external diameter is 20mm, thickness of pipe 2mm, extruded velocity is 9～12 meters/minute, again through sizing, obtain finished product after cooling off, batch, packing.
According to GB MT 558.1-1996 testing method, the anti-static inflaming-retarding mining pipes of embodiment 2 is carried out the surface resistivity test, the results are shown in the following table:
| Material | Surface resistivity |
| Common polythene tubing | 10 16Ω～10 20Ω |
| Mineral polyethylene piping materials | 10 9Ω |
According to GB GB/T 2406-1993 testing method, the anti-static inflaming-retarding mining pipes of embodiment 4 is carried out the oxygen index method test, the results are shown in the following table
| Material | Oxygen index |
| Common polythene tubing | 17.4 |
| Mineral polyethylene piping materials | 29 |
Embodiment 3
A kind of mineral polyethylene piping materials is characterized in that: this tubing constitutes by adding polyethylene antistatic and fire retardant, and used material composition of this tubing and the shared weight percent of each composition are:
Vinyon: 78% (2344E of MDPE Dow Chemical);
Fire retardant---decabromodiphenyl oxide: 10% (DE83R of U.S. big lake company);
Fire retardant---antimonous oxide: 10% (LSFR of U.S. Laurel company);
Antistatic master granule: 2% (self-control).
Above-mentioned four kinds of raw materials are mixed in mixing machine after 120 seconds add in the main extruder hopper of extruding in the unit, extrude after drying, processing temperature is between 200～240 ℃.The production tube external diameter is 110mm, and thickness of pipe is 16mm, 6～10 meters/minute of extruded velocities, and passing through sizing again, cooling off, batch, pack the back is finished product.
According to GB MT 558.1-1996 testing method, the anti-static inflaming-retarding mining pipes of embodiment 3 is carried out the surface resistivity test, the results are shown in the following table:
| Material | Surface resistivity |
| Common polythene tubing | 10 16Ω～10 20Ω |
| Mineral polyethylene piping materials | 10 8Ω |
According to GB GB/T 2408-1996 testing method, the anti-static inflaming-retarding mining pipes of embodiment 4 is carried out the oxygen index method test, the results are shown in the following table
| Material | The burning rank |
| Common polythene tubing | V 2 |
| Mineral polyethylene piping materials | V 0 |
Embodiment 4
A kind of mineral polyethylene piping materials is characterized in that: this tubing constitutes by adding polyethylene antistatic and fire retardant, and used material composition of this tubing and the shared weight percent of each composition are:
Vinyon: 75% (HDPE Qilu Petrochemical 6100);
Fire retardant---decabromodiphenyl oxide: 8% (the Japanese Tosoh 110R of company);
Fire retardant---antimonous oxide: 8% (the Japanese Tosoh 610R of company);
Fire retardant---red phosphorus: 4% (the Japanese Tosoh RINKA FP of company);
Antistatic master granule: 5% (self-control).
Above-mentioned five kinds of raw materials are mixed in mixing machine after 150 seconds add in the main extruder hopper of extruding in the unit, extrude after drying, processing temperature is between 200～240 ℃.The production tube external diameter is 190mm, thickness of pipe 28mm, and 4～8 meters/minute of extruded velocities, passing through sizing again, cooling off, batch, pack the back is finished product.
According to GB MT 558.1-1996 testing method, the anti-static inflaming-retarding mining pipes of embodiment 4 is carried out the surface resistivity test, the results are shown in the following table:
| Material | Surface resistivity |
| Common polythene tubing | 10 16Ω～10 20Ω |
| Mineral polyethylene piping materials | 10 6Ω |
According to GB GB/T 2406-1993 testing method, the anti-static inflaming-retarding mining pipes of embodiment 4 is carried out the oxygen index method test, the results are shown in the following table
| Material | Oxygen index |
| Common polythene tubing | 17.4 |
| Mineral polyethylene piping materials | 30 |
Claims (9)
1, a kind of mineral polyethylene piping materials is characterized in that: this tubing constitutes by adding polyethylene antistatic and fire retardant, and used material composition of this tubing and the shared weight percent of each composition are:
Fire retardant: 3%～30%;
Antistatic master granule: 0.04%～3.5%;
Polyethylene: surplus.
2, according to the described a kind of mineral polyethylene piping materials of claim 1, it is characterized in that: fire retardant is a micro encapsulation red phosphorus.
3, according to the described a kind of mineral polyethylene piping materials of claim 1, it is characterized in that: fire retardant is made up of decabromodiphenyl oxide and two kinds of materials of antimonous oxide, and both weight ratios are:
Decabromodiphenyl oxide: 30%～60%;
Antimonous oxide: 40%～70%.
4, according to the described a kind of mineral polyethylene piping materials of claim 1, it is characterized in that: fire retardant is made up of three kinds of materials, and three kinds of title materials and its weight ratio are respectively:
Decabromodiphenyl oxide: 1%～47%;
Antimonous oxide: 1%～47%;
Red phosphorus: surplus.
5, according to the described a kind of mineral polyethylene piping materials of claim 1, it is characterized in that: used antistatic master granule is made of polyethylene raw material and static inhibitor; Both weight ratios are:
Polyvinyl resin: 95%～99%;
Static inhibitor: 1%～5%.
6, according to the described a kind of mineral polyethylene piping materials of claim 5, it is characterized in that: static inhibitor is cationic static inhibitor, anionic antistatic agent, non-ionic antistatic agent, amphoteric ion type static inhibitor.
7, according to the described a kind of mineral polyethylene piping materials of one of claim 1 to 6, it is characterized in that: described tube outer diameter is 10～200mm, and thickness of pipe is 1～30mm.
8, a kind of preparation method as claim 1 to 6 mineral polyethylene piping materials as described in one of them is characterized in that:
Polyethylene, fire retardant and the static inhibitor that satisfies described weight percent requirement mixed in mixing machine 90～150 seconds, then, adding the twin screw extruder melt blending extrudes, processing temperature is 190～240 ℃, rotating speed is 120～180 rev/mins, extruded velocity obtains finished product at 4～12 meters/minute after cooling off, batch, packing.
9, a kind of mineral polyethylene piping materials according to claim 1 is applicable to water supply under the coal mine, draining, pressure wind, whitewashes and draws out methane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410087639 CN1778837A (en) | 2004-11-22 | 2004-11-22 | Mineral polyethylene piping materials and production thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410087639 CN1778837A (en) | 2004-11-22 | 2004-11-22 | Mineral polyethylene piping materials and production thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN1778837A true CN1778837A (en) | 2006-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410087639 Pending CN1778837A (en) | 2004-11-22 | 2004-11-22 | Mineral polyethylene piping materials and production thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241850A (en) * | 2011-06-22 | 2011-11-16 | 青岛润兴塑料新材料有限公司 | Polyethylene modified plastic with high performance and double resistance and manufacture method thereof |
| CN102719000A (en) * | 2012-05-30 | 2012-10-10 | 浙江舜讯塑业有限公司 | Polyethylene (PE) pipe for coal-bed methane drainage and manufacturing method thereof |
| CN103012934A (en) * | 2012-12-28 | 2013-04-03 | 山东金德新型管业有限公司 | Polyethylene tube for mining and preparation method thereof |
| CN104558746A (en) * | 2013-10-23 | 2015-04-29 | 中国石油化工股份有限公司 | Flame-retardant and antistatic polyethylene composition and preparation method thereof |
| CN108473757A (en) * | 2015-10-14 | 2018-08-31 | 沙特基础工业全球技术有限公司 | Water pipe for mining activity |
-
2004
- 2004-11-22 CN CN 200410087639 patent/CN1778837A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241850A (en) * | 2011-06-22 | 2011-11-16 | 青岛润兴塑料新材料有限公司 | Polyethylene modified plastic with high performance and double resistance and manufacture method thereof |
| CN102719000A (en) * | 2012-05-30 | 2012-10-10 | 浙江舜讯塑业有限公司 | Polyethylene (PE) pipe for coal-bed methane drainage and manufacturing method thereof |
| CN103012934A (en) * | 2012-12-28 | 2013-04-03 | 山东金德新型管业有限公司 | Polyethylene tube for mining and preparation method thereof |
| CN104558746A (en) * | 2013-10-23 | 2015-04-29 | 中国石油化工股份有限公司 | Flame-retardant and antistatic polyethylene composition and preparation method thereof |
| CN104558746B (en) * | 2013-10-23 | 2017-02-01 | 中国石油化工股份有限公司 | Flame-retardant and antistatic polyethylene composition and preparation method thereof |
| CN108473757A (en) * | 2015-10-14 | 2018-08-31 | 沙特基础工业全球技术有限公司 | Water pipe for mining activity |
| EP3362517A4 (en) * | 2015-10-14 | 2019-06-26 | SABIC Global Technologies B.V. | Water pipe for mining operations |
| US10584809B2 (en) | 2015-10-14 | 2020-03-10 | Sabic Global Technologies B.V. | Water pipe for mining operations |
| CN108473757B (en) * | 2015-10-14 | 2020-12-25 | 沙特基础工业全球技术有限公司 | Water pipe for mining work |
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