CN103725157A - Anti-corrosion abrasion-proof polyethylene pipe - Google Patents
Anti-corrosion abrasion-proof polyethylene pipe Download PDFInfo
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- CN103725157A CN103725157A CN201310654635.9A CN201310654635A CN103725157A CN 103725157 A CN103725157 A CN 103725157A CN 201310654635 A CN201310654635 A CN 201310654635A CN 103725157 A CN103725157 A CN 103725157A
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- anticorrosion antiwear
- polyethylene tube
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Abstract
The invention relates to an anti-corrosion abrasion-proof polyethylene pipe which comprises a pipe body and an anti-corrosion abrasion-proof layer, wherein the anti-corrosion abrasion-proof layer comprises the following components in parts by weight: 80-120 parts of epoxy resin, 80-120 parts of polyurethane, 30-60 parts of coal pitch, 18-32 parts of a curing agent, 22-45 parts of a rust inhibitor, 6-26 parts of a lubricant, 30-180 parts of a mineral oil, 1.5-8 parts of aluminium sesquioxide, 5-12 parts of copper dioxide, 8-15 parts of dimethyl benzene, and 3-10 parts of normal butyl acetate. The polyethylene pipe has low probability of scratching during the using process, and prolongs the service life.
Description
Technical field
The present invention relates to a kind of tubing, relate in particular to a kind of anticorrosion antiwear polyethylene tube.
Background technology
In the cost of plastic conduit engineering and energy consumption, lay link and usually occupy critical role.Non-excavation laying technology be substantially adopt the method for non-excavation pipeline laying to the underground line position requiring, most widely used in the trenchless technology of laying concrete pipe and steel pipe is pushing method, most widely used in the trenchless technology of laying plastics tubing is horizontal orientation boring laying method, because non-excavation laying need to draw in plastics tubing or advance lowly getting out in hole or old pipe to be repaired, in this process, tube surfaces can sustain damage unavoidably, probably directly touch sharp-pointed stone etc. and in tube wall, form point load, thereby damage high stress concentrations place, cause potential application risk, and common polythene tubing is not high with the wear resisting property of coating, surface is easily worn.
Summary of the invention
Technical problem to be solved by this invention is the polyethylene tube that a kind of anticorrosion antiwear is provided for above drawback, makes tubing in use be difficult for scratching, and has strengthened its work-ing life.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A polyethylene tube for anticorrosion antiwear, comprises body and anticorrosion antiwear layer, and wherein, the moiety of described anticorrosion antiwear layer is counted as follows by weight:
Above-mentioned a kind of anticorrosion antiwear polyethylene tube, wherein, the described preferred moiety of anticorrosion antiwear layer counted as follows by weight:
The polyethylene tube of above-mentioned a kind of anticorrosion antiwear, wherein, described solidifying agent is that calcium carbonate, barium sulfate, mica powder mix with the weight ratio of 1:1:1.
The polyethylene tube of above-mentioned a kind of anticorrosion antiwear, wherein, described rust-preventive agent is that zinc phosphate and organic chromium hydrochlorate mix with the weight ratio of 1:2-3.
The polyethylene tube of above-mentioned a kind of anticorrosion antiwear, wherein, described lubricant is that stearic acid, paraffin, oxidized polyethlene wax mix with the weight ratio of 1:2:1.
Beneficial effect of the present invention is: urethane contains strong polarity carbamate groups, has the features such as high strength, high abrasion and resistance to solvent; Epoxy resin is combined with to the advantage such as the physical strength that combines epoxy resin is high, bonding force large, resistant to chemical media corrodes and coal-tar pitch is corrosion-resistant with coal-tar pitch.Coating use temperature is between-40～150 ℃.In the general thinner such as acid, alkali, salt, water, gasoline, kerosene, diesel oil, long-term immersion is unchanged; The coating made from above material; sticking power is high; preservative property and wear resisting property are strong; improve physical strength, sticking power, impermeability and the anti-corrosion capability etc. of coating; also has the effect of the harmful light wave of elimination; thereby promote weathering resistance and the protectiveness of coating; significantly reduce the damage to tube surfaces in non-excavation laying; tubing can not scratched by the injustice place of sandstone or old tube wall being applied in non-excavation laying process; even if be also not easy cracking while directly touching sharp-pointed stone; thereby increased security, extended work-ing life.
Embodiment
By specific embodiment, the specific embodiment of the present invention is described in further detail below.
Example one:
A kind of polyethylene tube of anticorrosion antiwear, comprise body and anticorrosion antiwear layer, wherein, the moiety of described anticorrosion antiwear layer is counted as follows by weight: 100 parts of epoxy resin, 100 parts of urethane, 50 parts of coal-tar pitch, 20 parts, solidifying agent, 30 parts of rust-preventive agent, 12 parts of lubricants, 75 parts of white oils, 5 parts of aluminium sesquioxides, 8 parts of copper dioxides, 10 parts of dimethylbenzene, 5 parts of positive butyl esters.
The preparation method of its anticorrosion antiwear layer is as follows:
(1) by parts by weight, be that the white oil of 75 parts and 50 parts of coal-tar pitch are fallen into and boiled in still, stir, heat to 115 ℃, be incubated after 25 minutes, obtain mixed solution;
(2) prepare solidifying agent, calcium carbonate, barium sulfate, mica powder are mixed to obtain to solidifying agent with the weight ratio of 1:1:1, standby;
(3) prepare rust-preventive agent, zinc phosphate and organic chromium hydrochlorate are mixed to obtain to rust-preventive agent with the weight ratio of 1:2, standby;
(4) prepare lubricant, the lubricant that stearic acid, paraffin, oxidized polyethlene wax are mixed with the weight ratio of 1:2:1, standby;
(5) mixed solution is evacuated in Lacquered Tin Plate Can processed, after adding successively parts by weight to be the solidifying agent of 20 parts, the rust-preventive agent of 30 parts, the lubricant of 12 parts, stir 10 minutes, then add 5 parts of aluminium sesquioxides, 8 parts of copper dioxides, 10 parts of dimethylbenzene, 5 parts of positive butyl esters, stir 5 minutes;
(6) by parts by weight, be that the epoxy resin of 100 parts mixes with the urethane of 100 parts, in baking oven, be preheated to 60 ℃;
(7) stir while the epoxy resin of preheating and polyurethane mixture are added in Lacquered Tin Plate Can processed, until after mixture adds, then stir 3 minutes, coating raw product obtained;
(8) coating raw product is added to sand mill, after levigate filtration, obtain coating finished product.
Example two:
A kind of polyethylene tube of anticorrosion antiwear, comprise body and anticorrosion antiwear layer, wherein, the moiety of described anticorrosion antiwear layer is counted as follows by weight: 80 parts of epoxy resin, 80 parts of urethane, 45 parts of coal-tar pitch, 18 parts, solidifying agent, 25 parts of rust-preventive agent, 8 parts of lubricants, 45 parts of white oils, 3 parts of aluminium sesquioxides, 5 parts of copper dioxides, 8 parts of dimethylbenzene, 3 parts of positive butyl esters.
The preparation method of its anticorrosion antiwear layer is as follows:
(1) by parts by weight, be that the white oil of 45 parts and 45 parts of coal-tar pitch are fallen into and boiled in still, stir, heat to 115 ℃, be incubated after 25 minutes, obtain mixed solution;
(2) prepare solidifying agent, calcium carbonate, barium sulfate, mica powder are mixed to obtain to solidifying agent with the weight ratio of 1:1:1, standby;
(3) prepare rust-preventive agent, zinc phosphate and organic chromium hydrochlorate are mixed to obtain to rust-preventive agent with the weight ratio of 1:2, standby;
(4) prepare lubricant, the lubricant that stearic acid, paraffin, oxidized polyethlene wax are mixed with the weight ratio of 1:2:1, standby;
(5) mixed solution is evacuated in Lacquered Tin Plate Can processed, after adding successively parts by weight to be the solidifying agent of 18 parts, the rust-preventive agent of 25 parts, the lubricant of 8 parts, stir 10 minutes, then add 3 parts of aluminium sesquioxides, 5 parts of copper dioxides, 8 parts of dimethylbenzene, 3 parts of positive butyl esters, stir 5 minutes;
(6) by parts by weight, be that the epoxy resin of 80 parts mixes with the urethane of 80 parts, in baking oven, be preheated to 60 ℃;
(7) stir while the epoxy resin of preheating and polyurethane mixture are added in Lacquered Tin Plate Can processed, until after mixture adds, then stir 3 minutes, coating raw product obtained;
(8) coating raw product is added to sand mill, after levigate filtration, obtain coating finished product.
The technical feature preparation of the pipe coatings of the anticorrosion antiwear in above-described embodiment, its detected result is: sticking power > 1.60N/5cm, wear resistance (1000g/1000 turns)≤40mg, resistance to 10% sulfuric acid, resistance to 10% sodium hydroxide.
In sum, urethane contains strong polarity carbamate groups, has the features such as high strength, high abrasion and resistance to solvent; Epoxy resin is combined with to the advantage such as the physical strength that combines epoxy resin is high, bonding force large, resistant to chemical media corrodes and coal-tar pitch is corrosion-resistant with coal-tar pitch.Coating use temperature is between-40～150 ℃.In the general thinner such as acid, alkali, salt, water, gasoline, kerosene, diesel oil, long-term immersion is unchanged; The coating made from above material; sticking power is high; preservative property and wear resisting property are strong; improve physical strength, sticking power, impermeability and the anti-corrosion capability etc. of coating; also has the effect of the harmful light wave of elimination; thereby promote weathering resistance and the protectiveness of coating; significantly reduce the damage to tube surfaces in non-excavation laying; tubing can not scratched by the injustice place of sandstone or old tube wall being applied in non-excavation laying process; even if be also not easy cracking while directly touching sharp-pointed stone; thereby increased security, extended work-ing life
Here description of the invention and application is illustrative, not wants scope of the present invention to limit in the above-described embodiments, and therefore, the present invention is not subject to the restriction of the present embodiment, and the technical scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.
Claims (5)
1. a polyethylene tube for anticorrosion antiwear, comprises body and anticorrosion antiwear layer, it is characterized by, and the moiety of described anticorrosion antiwear layer is counted as follows by weight:
Epoxy resin 80-120 part
Urethane 80-120 part
Coal-tar pitch 30-60 part
Solidifying agent 18-32 part
Rust-preventive agent 22-45 part
Lubricant 6-26 part
White oil 30-180 part
Aluminium sesquioxide 1.5-8 part
Copper dioxide 5-12 part
Dimethylbenzene 8-15 part
Positive butyl ester 3-10 part.
2. a kind of anticorrosion antiwear polyethylene tube as claimed in claim 1, is characterized by, and the described preferred moiety of anticorrosion antiwear layer counted as follows by weight:
100 parts of epoxy resin
100 parts of urethane
50 parts of coal-tar pitch
20 parts, solidifying agent
30 parts of rust-preventive agent
12 parts of lubricants
75 parts of white oils
5 parts of aluminium sesquioxides
8 parts of copper dioxides
10 parts of dimethylbenzene
5 parts of positive butyl esters.
3. a kind of anticorrosion antiwear polyethylene tube as claimed in claim 1 or 2, is characterized by, and described solidifying agent is that calcium carbonate, barium sulfate, mica powder mix with the weight ratio of 1:1:1.
4. a kind of anticorrosion antiwear polyethylene tube as claimed in claim 1 or 2, is characterized by, and described rust-preventive agent is that zinc phosphate and organic chromium hydrochlorate mix with the weight ratio of 1:2-3.
5. a kind of anticorrosion antiwear polyethylene tube as claimed in claim 1 or 2, is characterized by, and described lubricant is that stearic acid, paraffin, oxidized polyethlene wax mix with the weight ratio of 1:2:1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310654635.9A CN103725157B (en) | 2013-12-05 | 2013-12-05 | A kind of polyethylene tube of anticorrosion antiwear |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310654635.9A CN103725157B (en) | 2013-12-05 | 2013-12-05 | A kind of polyethylene tube of anticorrosion antiwear |
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| CN103725157A true CN103725157A (en) | 2014-04-16 |
| CN103725157B CN103725157B (en) | 2016-08-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106497408A (en) * | 2016-11-25 | 2017-03-15 | 威海恒基伟业信息科技发展有限公司 | A kind of antiseptic wearable coat of tubing |
| CN106497409A (en) * | 2016-11-25 | 2017-03-15 | 威海恒基伟业信息科技发展有限公司 | A kind of preparation method of the polyethylene pipe of anticorrosion antiwear |
| CN106543894A (en) * | 2016-11-25 | 2017-03-29 | 威海恒基伟业信息科技发展有限公司 | A kind of preparation method of the polyethylene tube of anticorrosion antiwear |
Citations (5)
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| US4535103A (en) * | 1984-04-24 | 1985-08-13 | Asahi Denka Kogyo K.K. | Coating composition |
| CN1382755A (en) * | 2001-04-25 | 2002-12-04 | 湖南华菱管线股份有限公司涟钢事业部 | Anticorrosion paint and its preparing process |
| CN101423729A (en) * | 2007-10-29 | 2009-05-06 | 徐东 | Moisture-curable heat insulation polyamine ester anticorrosive paint |
| CN102604509A (en) * | 2012-02-08 | 2012-07-25 | 西安华捷奥海新材料有限公司 | Nanofiber heavy-duty anti-corrosive coating, preparation method and spraying method of nanofiber heavy-duty anti-corrosive coating |
| CN102661471A (en) * | 2012-04-11 | 2012-09-12 | 上海乔治费歇尔亚大塑料管件制品有限公司 | Nanocomposite wear-resisting and anti-corrosion coating pipe fitting |
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2013
- 2013-12-05 CN CN201310654635.9A patent/CN103725157B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4535103A (en) * | 1984-04-24 | 1985-08-13 | Asahi Denka Kogyo K.K. | Coating composition |
| CN1382755A (en) * | 2001-04-25 | 2002-12-04 | 湖南华菱管线股份有限公司涟钢事业部 | Anticorrosion paint and its preparing process |
| CN101423729A (en) * | 2007-10-29 | 2009-05-06 | 徐东 | Moisture-curable heat insulation polyamine ester anticorrosive paint |
| CN102604509A (en) * | 2012-02-08 | 2012-07-25 | 西安华捷奥海新材料有限公司 | Nanofiber heavy-duty anti-corrosive coating, preparation method and spraying method of nanofiber heavy-duty anti-corrosive coating |
| CN102661471A (en) * | 2012-04-11 | 2012-09-12 | 上海乔治费歇尔亚大塑料管件制品有限公司 | Nanocomposite wear-resisting and anti-corrosion coating pipe fitting |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106497408A (en) * | 2016-11-25 | 2017-03-15 | 威海恒基伟业信息科技发展有限公司 | A kind of antiseptic wearable coat of tubing |
| CN106497409A (en) * | 2016-11-25 | 2017-03-15 | 威海恒基伟业信息科技发展有限公司 | A kind of preparation method of the polyethylene pipe of anticorrosion antiwear |
| CN106543894A (en) * | 2016-11-25 | 2017-03-29 | 威海恒基伟业信息科技发展有限公司 | A kind of preparation method of the polyethylene tube of anticorrosion antiwear |
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| CN103725157B (en) | 2016-08-17 |
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