CN102155591B - High-power hot-stretched high molecular weight polyethylene film composite tubular product and preparation method thereof - Google Patents
High-power hot-stretched high molecular weight polyethylene film composite tubular product and preparation method thereof Download PDFInfo
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- CN102155591B CN102155591B CN 201110101525 CN201110101525A CN102155591B CN 102155591 B CN102155591 B CN 102155591B CN 201110101525 CN201110101525 CN 201110101525 CN 201110101525 A CN201110101525 A CN 201110101525A CN 102155591 B CN102155591 B CN 102155591B
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- molecular weight
- high molecular
- weight polyethylene
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- polyethylene films
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- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000004705 High-molecular-weight polyethylene Substances 0.000 title abstract 9
- 238000004519 manufacturing process Methods 0.000 title description 10
- 239000004698 Polyethylene Substances 0.000 claims abstract description 13
- -1 polyethylene Polymers 0.000 claims abstract description 13
- 229920000573 polyethylene Polymers 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims abstract description 6
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 103
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 103
- 239000004836 Glue Stick Substances 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 238000007664 blowing Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 239000005030 aluminium foil Substances 0.000 description 4
- 239000011152 fibreglass Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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Abstract
The invention discloses a high-power hot-stretched high molecular weight polyethylene film composite tubular product and a preparation method thereof, wherein the high-power hot-stretched high molecular weight polyethylene film composite tubular product comprises a first layer of high-power hot-stretched high molecular weight polyethylene film and a second layer of high-power hot-stretched high molecular weight polyethylene film, and the first layer of high-power hot-stretched high molecular weight polyethylene film is integrated with the inner surface of the film. The preparation method comprises the following steps: (1) taking the high-power hot-stretched high molecular weight polyethylene films for later use; (2) coating polyethylene adhesives on the upper surface and lower surface of each polyethylene film, and winding into coils for later use; (3) taking at least two coils of the high molecular weight polyethylene films obtained in the step (2) according to the requirement on tubular product performances, placing the two coils on a winding machine, and blowing hot air to the surfaces of the films by utilizing an air-heater, thus the polyethylene films are bonded together; and (4) dismounting the two layers of bonded high molecular weight polyethylene films from a cylindrical mold, thus the composite film product is obtained. According to the invention, on the premises of ensuring the basic performances of the high molecular polyethylene tubular product and the same wall thickness, the bearing capability of the tubular product is improved greatly.
Description
Technical field
The present invention relates to ultrahigh molecular weight polyethylene tubing, is a kind of high power hot-stretch ultra high molecular weight polyethylene films sheet composite pipe and preparation method thereof.
Background technology
The tubing that ultrahigh molecular weight polyethylene is done is the tubing of present better performances, and the hot strength of ultrahigh molecular weight polyethylene tubing can reach 28MPa.This tubing receives praises from customers owing to have higher bearing capacity and higher advantages such as wearability.But if when further improving its bearing capacity as required, needing increases pipeline wall thickness, and this significantly improves production cost.And need tubing to possess higher bearing capacity in some application, and just can reach instructions for use, therefore, because production cost is limit, the application of high-intensity ultrahigh molecular weight polyethylene tubing is subjected to bigger restriction.
Summary of the invention
The purpose of this invention is to provide a kind of high power hot-stretch ultra high molecular weight polyethylene films sheet composite pipe and preparation method thereof, make it under the prerequisite that possesses ultrahigh molecular weight polyethylene tubing key property and identical wall thickness, increase substantially its bearing capacity.
The present invention for achieving the above object, be achieved through the following technical solutions: high power hot-stretch ultra high molecular weight polyethylene films sheet composite pipe, comprise ground floor ultra high molecular weight polyethylene films sheet and second layer ultra high molecular weight polyethylene films sheet at least, the inner surface of ground floor ultra high molecular weight polyethylene films sheet and second layer ultra high molecular weight polyethylene films sheet links mutually and is one.Coat the aluminium foil fiberglass layer on the outer surface of second layer ultra high molecular weight polyethylene films sheet.Compound the 3rd layer of ultra high molecular weight polyethylene films sheet on the outer surface of second layer ultra high molecular weight polyethylene films sheet.The thickness of ground floor ultra high molecular weight polyethylene films sheet, second layer ultra high molecular weight polyethylene films sheet and the 3rd layer of ultra high molecular weight polyethylene films sheet is the 1.5-3 millimeter, and width is the 300-1000 millimeter.
The preparation method of described high power hot-stretch ultra high molecular weight polyethylene films sheet composite pipe comprises the steps:
1. it is standby to get the ultra high molecular weight polyethylene films sheet;
2. on the ultra high molecular weight polyethylene films sheet below or upper and lower surface be coated with the polyethylene glue stick, coiled volume is standby then;
3. the ultra high molecular weight polyethylene films sheet of step in 2. being taken to few two volumes according to the requirement of pipe performance is placed on the wrapping machine, cylindric mould is installed on the wrapping machine, at least two volume ultra high molecular weight polyethylene films sheets are inserted the both sides of wrapping machine respectively, ultra high molecular weight polyethylene films sheet volume is wrapped on the cylindric mould by power drive respectively, cylindric mould is rotated by power drive, simultaneously, air-heater blows to ultra high molecular weight polyethylene films sheet surface with hot blast, make the polyethylene glue stick temperature on the ultra high molecular weight polyethylene films sheet reach 120 ℃-140 ℃, make between two-layer at least diaphragm to be bonded to one mutually;
4. the winding direction of two-layer ultra high molecular weight polyethylene films sheet is identical, the seam that is intertwined and connected of second layer diaphragm center line pressure ground floor diaphragm;
5. two-layer ultra high molecular weight polyethylene films sheet is bondd the back by pulling down on the cylindrical die, become ultra-high molecular weight polyethylene compound film sheet tubing.
The concrete structure of the wrapping machine of step described in 3. is: comprise support, cylindric mould is installed on the support, cylindric mould is connected with Power Drive Unit, tubular ultra high molecular weight polyethylene films sheet volume is installed in respectively on first deflector roll and second deflector roll, a plurality of guiding rollers are installed respectively on the support, the guiding roller is rotated by driven by motor, and pressure roller is installed on the support.
Ultra-high molecular weight polyethylene composite pipe of the present invention is made of two-layer or trilamellar membrane sheet, the tensile strength of diaphragm can reach 200MPa-500MPa, basic identical with steel, its decay resistance is higher than steel significantly, about the high 3-5 of modular ratio ultrahigh molecular weight polyethylene tubing times, bear at tubing under the condition of identical operating pressure, the wall thickness of tubing only is about 1/5 of ultrahigh molecular weight polyethylene tubing wall thickness, and manufacturing cost reduces significantly.Whole process of production energy resource consumption of the present invention is very low.The manufacturing cost of tubing of the present invention still is about 1/10th of high strength plastics costs such as aramid fiber, carbon fiber.Production process of the present invention does not have any pollution.Because the various performances of tubing of the present invention are that all engineering plastics tubing all do not possess at present, so tubing of the present invention is the important breakthrough of present engineering plastics tubing.
Description of drawings
Accompanying drawing 1 is the wrapping machine structural representation that uses in the manufacture method of the present invention; Accompanying drawing 2 is right TV structure schematic diagrames of accompanying drawing 1; Fig. 3 is the cross-sectional view of tubing of the present invention.
The specific embodiment
Embodiment
High power hot-stretch ultra high molecular weight polyethylene films sheet composite pipe of the present invention, at least comprise ground floor ultra high molecular weight polyethylene films sheet 1 and second layer ultra high molecular weight polyethylene films sheet 2, the inner surface of ground floor ultra high molecular weight polyethylene films sheet 1 and second layer ultra high molecular weight polyethylene films sheet 2 links mutually and is one.The inner surface of ground floor ultra high molecular weight polyethylene films sheet 1 is the inwall of tubing, and the outer surface of second layer ultra high molecular weight polyethylene films sheet 2 is the outer wall of tubing.
Ultra high molecular weight polyethylene films sheet composite pipe of the present invention, the ultra high molecular weight polyethylene films sheet that adopts is the ultra high molecular weight polyethylene films sheet through the high power hot-stretch, and the manufacture method employing applicant's of this ultra high molecular weight polyethylene films sheet number of patent application is 2010105066280 method making.
The preferred scheme of ultra-high molecular weight polyethylene composite pipe of the present invention is: coat aluminium foil fiberglass layer 4 on the outer surface of second layer ultra high molecular weight polyethylene films sheet 2.
The further preferred version of ultra-high molecular weight polyethylene composite pipe of the present invention is: compound the 3rd layer of ultra high molecular weight polyethylene films sheet 3 on the outer surface of second layer ultra high molecular weight polyethylene films sheet 2.
The compound further preferred scheme of ultra-high molecular weight polyethylene of the present invention is: the thickness of ground floor ultra high molecular weight polyethylene films sheet 1, second layer ultra high molecular weight polyethylene films sheet 2 and the 3rd layer of ultra high molecular weight polyethylene films sheet 3 is the 1.5-3 millimeter, and width is the 300-1000 millimeter.
Tubing of the present invention is according to different instructions for uses, and the 4th layer, layer 5, layer 6 etc. can be arranged.The aluminium foil fiberglass layer 4 that pipe outer surface of the present invention coats is used for preventing a day illumination aging, when tubing is used for underground or during the place that do not need to be exposed to the sun in the sun, can use the aluminium foil fiberglass layer.
Adopt the polyethylene glue stick bonding between each ultra high molecular weight polyethylene films sheet of tubing of the present invention, tubing of the present invention adopts the layering of ultra high molecular weight polyethylene films sheet to twine and makes, when three layers of needs, four layers, five layers or six layers, being bonding binding between each diaphragm is one.The second layer covers on the outer surface of ground floor, the 3rd layer cover on the outer surface of the second layer, layer such as the 4th layer, layer 5 covers bonding connection successively.The thickness of ultra high molecular weight polyethylene films sheet is generally the 1.5-3 millimeter, when width is the 300-1000 millimeter, is to guarantee tubing load performance, easy and better selection scheme that manufacturing cost is lower easy to process.
The preparation method of tubing of the present invention comprises the steps:
1. it is standby to get the ultra high molecular weight polyethylene films sheet;
2. on the ultra high molecular weight polyethylene films sheet below or upper and lower surface be coated with the polyethylene glue stick, coiled volume is standby then;
3. the ultra high molecular weight polyethylene films sheet of step in 2. being taken to few two volumes according to the requirement of pipe performance is placed on the wrapping machine, cylindric mould 4 is installed on the wrapping machine, at least two volume ultra high molecular weight polyethylene films sheets are inserted the both sides of wrapping machine respectively, ultra high molecular weight polyethylene films sheet volume is wrapped on the cylindric mould 4 by power drive respectively, cylindric mould 4 is rotated by power drive, simultaneously, air-heater blows to ultra high molecular weight polyethylene films sheet surface with hot blast, make the polyethylene glue stick temperature on the ultra high molecular weight polyethylene films sheet reach 120 ℃-140 ℃, make between two-layer at least diaphragm to be bonded to one mutually;
4. the winding direction of two-layer ultra high molecular weight polyethylene films sheet is identical, the seam that is intertwined and connected of second layer diaphragm center line pressure ground floor diaphragm;
5. two-layer ultra high molecular weight polyethylene films sheet is bondd the back by pulling down on the cylindrical die, become ultra-high molecular weight polyethylene compound film sheet tubing.
The concrete structure of the wrapping machine of step described in 3. is: comprise support, cylindric mould 4 is installed on the support, cylindric mould 4 is connected with Power Drive Unit, tubular ultra high molecular weight polyethylene films sheet volume 11 is installed in respectively on first deflector roll 13 and second deflector roll 14, a plurality of guiding rollers 8 are installed respectively on the support, guiding roller 8 is driven by motor 2 and rotates, and pressure roller 9 is installed on the support.
The effect of the wrapping machine that uses among the preparation method of the present invention is the layering of ultra high molecular weight polyethylene films sheet to be wrapped on the cylindrical die get final product.Embodiment shown in the drawings only is the structural representation that preparation has two-layer ultra high molecular weight polyethylene films sheet composite pipe, when multilayer ultra high molecular weight polyethylene films sheet tubing such as three layers, four layers of preparations, the placement of ultra high molecular weight polyethylene films sheet can be placed ultra high molecular weight polyethylene films sheet volume from the diverse location of wrapping machine, to be applicable to multilayer ultra high molecular weight polyethylene films sheet is wound in one, each layer ultra high molecular weight polyethylene films sheet needs an air-heater heating.When tubing is made of two layers of ultra high molecular weight polyethylene films sheet, the polyethylene glue stick is coated in the outer surface of ground floor ultra high molecular weight polyethylene films sheet 1 and the inner surface of second layer ultra high molecular weight polyethylene films sheet 2, when tubing was made with three layers, four layers or more multi-layered ultra high molecular weight polyethylene films sheet, the upper and lower surface of middle each layer ultra high molecular weight polyethylene films sheet all need be coated with the polyethylene glue stick.
Cylindrical die 4 on the wrapping machine drives and rotates by main motor 1, decelerator 3, air pump motor 6 is rack-mount, the power of air pump 5 is provided by air pump motor 6, the air quantity of first air-heater 7 is sent into first air-heater 7 by air pump 5 by pipeline, a plurality of guiding rollers 8 of installing on the support are driven by motor 2 respectively and rotate, and the installation that each diaphragm involves in into power drive, guiding roller 8 and the air-heater of wrapping machine when cylindrical die 4 twines all is symmetrically distributed.Pressure roller 9 on the support is two, and the bottom that lays respectively at cylindrical die 4 and diaphragm 10 is used for compressing the diaphragm after the winding.Public attention of first air-heater 7 and second air-heater 12 is all pressed close to diaphragm, and membrane surface is heated.
The air-heater that uses among the ultrahigh molecular weight polyethylene tubing preparation method of the present invention is known technology.
Claims (2)
1. the preparation method of high power hot-stretch ultra high molecular weight polyethylene films sheet composite pipe, it is characterized in that: composite pipe has ground floor ultra high molecular weight polyethylene films sheet (1) and second layer ultra high molecular weight polyethylene films sheet (2) at least, and the inner surface of ground floor ultra high molecular weight polyethylene films sheet (1) and second layer ultra high molecular weight polyethylene films sheet (2) links mutually and is one; Compound the 3rd layer of ultra high molecular weight polyethylene films sheet (3) on the outer surface of second layer ultra high molecular weight polyethylene films sheet (2); The thickness of ground floor ultra high molecular weight polyethylene films sheet (1), second layer ultra high molecular weight polyethylene films sheet (2) and the 3rd layer of ultra high molecular weight polyethylene films sheet (3) is the 1.5-3 millimeter, and width is the 300-1000 millimeter; Preparation method's step is as follows:
1. it is standby to get the ultra high molecular weight polyethylene films sheet;
2. on the ultra high molecular weight polyethylene films sheet below or upper and lower surface be coated with the polyethylene glue stick, coiled volume is standby then;
3. the ultra high molecular weight polyethylene films sheet of step in 2. being taken to few two volumes according to the requirement of pipe performance is placed on the wrapping machine, cylindric mould (4) is installed on the wrapping machine, at least two volume ultra high molecular weight polyethylene films sheets are inserted the both sides of wrapping machine respectively, ultra high molecular weight polyethylene films sheet volume is wrapped on the cylindric mould (4) by power drive respectively, cylindric mould (4) is rotated by power drive, simultaneously, air-heater blows to ultra high molecular weight polyethylene films sheet surface with hot blast, make the polyethylene glue stick temperature on the ultra high molecular weight polyethylene films sheet reach 120 ℃-140 ℃, make between two-layer at least diaphragm to be bonded to one mutually;
4. the winding direction of two-layer ultra high molecular weight polyethylene films sheet is identical, the seam that is intertwined and connected of second layer diaphragm center line pressure ground floor diaphragm;
5. two-layer ultra high molecular weight polyethylene films sheet is bondd the back by pulling down on the cylindrical die, become ultra-high molecular weight polyethylene compound film sheet tubing.
2. the preparation method of high power hot-stretch ultra high molecular weight polyethylene films sheet composite pipe according to claim 1, it is characterized in that: the concrete structure of the wrapping machine of step described in 3. is: comprise support, cylindric mould (4) is installed on the support, cylindric mould (4) is connected with Power Drive Unit, tubular ultra high molecular weight polyethylene films sheet volume (11) is installed in respectively on first deflector roll (13) and second deflector roll (14), a plurality of guiding rollers (8) are installed respectively on the support, guiding roller (8) is driven by motor (2) and rotates, and pressure roller (9) is installed on the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110101525 CN102155591B (en) | 2011-01-06 | 2011-04-22 | High-power hot-stretched high molecular weight polyethylene film composite tubular product and preparation method thereof |
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| CN201110001833 | 2011-01-06 | ||
| CN201110001833.6 | 2011-01-06 | ||
| CN 201110101525 CN102155591B (en) | 2011-01-06 | 2011-04-22 | High-power hot-stretched high molecular weight polyethylene film composite tubular product and preparation method thereof |
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| CN102155591A CN102155591A (en) | 2011-08-17 |
| CN102155591B true CN102155591B (en) | 2013-07-17 |
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| CN 201110101525 Expired - Fee Related CN102155591B (en) | 2011-01-06 | 2011-04-22 | High-power hot-stretched high molecular weight polyethylene film composite tubular product and preparation method thereof |
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| CN102729564B (en) * | 2012-06-04 | 2015-07-08 | 刘阜东 | Ultrahigh molecular weight polyethylene diaphragm composite viscous membrane product, its production method and its production device |
| CN102963000B (en) * | 2012-06-04 | 2014-11-05 | 刘阜东 | Method for binding ultra-high molecular weight polyethylene film sheet and metal board |
| CN112388287B (en) * | 2020-11-16 | 2021-11-05 | 泰州市津达电子科技有限公司 | Water pipe metal casing mounting plate |
| CN113414974A (en) * | 2021-06-25 | 2021-09-21 | 临海伟星新型建材有限公司 | Device and method for compounding complete bonding type reinforced composite pipe |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2487934Y (en) * | 2001-04-14 | 2002-04-24 | 江都市绝热节能材料厂 | Composite ventilating pipe |
| CN2670098Y (en) * | 2003-12-29 | 2005-01-12 | 天津天联复合材料有限公司 | Bidirectional winding apparatus for glass fiber reinforced plastic tunnels with automatic glue collecting and levelling device |
| CN101016965A (en) * | 2007-02-07 | 2007-08-15 | 李寿山 | Enhancement ultra-high molecular weight polyethylene wound pipe and manufacture method therefor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6203873B1 (en) * | 1998-05-22 | 2001-03-20 | Dayco Products, Inc. | Blends of fluoroelastomer interpolymers with thermo fluoroplastic interpolymers and the use of such blends in hoses |
| CN100564974C (en) * | 2008-01-11 | 2009-12-02 | 泰州申视塑料有限公司 | Ultrahigh molecular weight polyethylene dead-hard steel wire composite pipeline and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2487934Y (en) * | 2001-04-14 | 2002-04-24 | 江都市绝热节能材料厂 | Composite ventilating pipe |
| CN2670098Y (en) * | 2003-12-29 | 2005-01-12 | 天津天联复合材料有限公司 | Bidirectional winding apparatus for glass fiber reinforced plastic tunnels with automatic glue collecting and levelling device |
| CN101016965A (en) * | 2007-02-07 | 2007-08-15 | 李寿山 | Enhancement ultra-high molecular weight polyethylene wound pipe and manufacture method therefor |
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