CN104676143A - High-tensile-strength plastic steel winding drainage pipe and preparation method thereof - Google Patents
High-tensile-strength plastic steel winding drainage pipe and preparation method thereof Download PDFInfo
- Publication number
- CN104676143A CN104676143A CN201510066893.4A CN201510066893A CN104676143A CN 104676143 A CN104676143 A CN 104676143A CN 201510066893 A CN201510066893 A CN 201510066893A CN 104676143 A CN104676143 A CN 104676143A
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- Prior art keywords
- steel
- drainage pipe
- high tensile
- wound drainage
- pipe material
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention relates to a high-tensile-strength plastic steel winding drainage pipe and a preparation method thereof. The high-tensile-strength plastic steel winding drainage pipe comprises mixed materials and steel strips, wherein the mixed materials are wrapped outside the steel strips; the tail ends of the mixed materials are in Z-shapes, and a bevel Theta of the Z-shaped parts is 75 degree. The preparation method comprises the following steps of: preparing the mixed materials; heating the steel strips; compounding the mixed materials and the steel strips to standard profiles; embossing the bonding contact surfaces of the standard profiles through a press roll, feeding the standard profiles into a winding cage for winding, blowing hot air to the two embossed surfaces through a hot air blowing device, and squeezing glue to stick; feeding to a forming mould, and simultaneously extruding through an inner press roll and an outer press roll to obtain the high-tensile-strength plastic steel winding drainage pipe. The high-tensile-strength plastic steel winding drainage pipe has the advantages of excellent mechanical property, wear-resisting property and ageing resistance; meanwhile, the drainage pipe is high in steel-plastic sticking capability, long in service life, and suitable for large-scale production and marketing.
Description
Technical field
The present invention relates to a kind of high tensile plastic-steel-wound drainage pipe material and preparation method thereof.
Technical background
Plastic-steel spirally-wound pipe is the advantage such as corrosion-resistant, lightweight, simple installation, discharge value are large, long service life owing to having, and progressively substitutes conventional cement and cast-iron pipe; Simultaneously tubing due to effective edge as steel band substantially increases the ability of the anti-soil deformation of tubing.
But because tube forming mode is Wrapping formed in gluing after section bar cools, section bar interface bonding strength is not good, in addition steel band penetrates severity control, the plastic raw material recipe-imposed of plastics, longitudinal tension of tubing does not reach application requirement, causes tubing product when loading and unloading goods and tubing installs and uses often to rupture, come unstuck.
Summary of the invention
The object of the invention is to: a kind of long service life is provided, steel moulds the strong high tensile plastic-steel-wound drainage pipe material of bonding.
In order to realize foregoing invention object, the invention provides following technological scheme:
A kind of high tensile plastic-steel-wound drainage pipe material, comprise mixed ingredients and steel band, the periphery of described steel band is coated with mixed ingredients, and mixed ingredients afterbody is zigzag, and the knuckle θ of zigzag is 75 °.
Preferentially, described mixed ingredients is prepared from by the raw material of following weight portion: PE80 pipeline material 70-85 part, and MLLDPE expects 10-20 part, look female 2-5 part, processing aid 3-5 part.
Preferentially, described PE80 pipeline material temperature be 190 DEG C, pressure be melt index under the condition of 2.16kg is 0.1-0.3g/10min, tensile strength is greater than 23MPA, and elongation at break is greater than 400%; Described MLLDPE material is metallocene linear-low density polyethylene, its be 190 DEG C of pressure be the condition of 2.16kg in temperature under melt index be 0.5-2g/10min, elongation at break is greater than 800%; Described look mother is carbon black, and described processing aid comprises hygroscopic agent and antiageing agent.
The preparation method of high tensile plastic-steel-wound drainage pipe material, comprises the steps:
A, according to above formula, load weighted component is added batch mixer, be transported to after stirring in extruder warm air drying hopper, drying is dried;
B, carry out on-line heating with high frequency to steel band, it is 180-250 DEG C that steel band is heated to technological temperature instantaneously through high frequency coil by steel band in movement process;
C, mixed ingredients extruder on feeder, through screw rod to mould conveying material, coordinate the plasticizing of heat absorption limit, conveying limit, screw rod shearing material limit by mold exterior heating, the mixed ingredients plastified and steel band are combined into standard sections at specific complex extrusion die simultaneously;
D, sticky and surface of contact A and the B pressure roller embossing at standard sections, then send into standard sections and be wound around cage winding, aim at two top blast hot blasts of embossing, surface of contact temperature is brought up to more than 120 DEG C, bonds in plastic squeeze by Hot air blast device under ribbon feeder effect;
E, enter into shaping die, be squeezed into high tensile plastic-steel-wound drainage pipe material through inside and outside twice pressure roller simultaneously.
Preferentially, in described steps d, viscose glue formula is the raw material composition of following weight portion: PE8050-55 part, special bonding resin 40-48 part, look female 2-5 part.
Beneficial effect of the present invention is: the plastic-steel-wound drainage pipe material that the present invention is prepared from has excellent mechanical property, wear-resisting property and aging quality resistance, and steel moulds bonding by force simultaneously, long service life, is applicable to large-scale production & marketing and promotes.
Accompanying drawing explanation
Fig. 1 is the sectional view of high tensile plastic-steel-wound drainage pipe material of the present invention;
The stereogram of Fig. 2 high tensile plastic-steel-wound drainage pipe of the present invention material.
Embodiment
Embodiment 1: a kind of high tensile plastic-steel-wound drainage pipe material, comprises mixed ingredients 10 and steel band 20, and the periphery of described steel band 20 is coated with mixed ingredients 10, and mixed ingredients afterbody 11 is zigzag, and the knuckle θ of zigzag is 75 °.Described mixed ingredients is prepared from by the raw material of following weight portion: 70 parts, PE80 pipeline material, and MLLDPE expects 10 parts, look female 2 parts, processing aid 3 parts.
Embodiment 2: a kind of high tensile plastic-steel-wound drainage pipe material, comprise mixed ingredients 10 and steel band 20, the periphery of described steel band 20 is coated with mixed ingredients 10, mixed ingredients afterbody 11 is zigzag, the knuckle θ of zigzag is 75 °, and described mixed ingredients is prepared from by the raw material of following weight portion: 85 parts, PE80 pipeline material, and MLLDPE expects 20 parts, look female 5 parts, processing aid 5 parts.
Embodiment 3: a kind of high tensile plastic-steel-wound drainage pipe material, comprise mixed ingredients 10 and steel band 20, the periphery of described steel band 20 is coated with mixed ingredients 10, mixed ingredients afterbody 11 is zigzag, the knuckle θ of zigzag is 75 °, and described mixed ingredients is prepared from by the raw material of following weight portion: 80 parts, PE80 pipeline material, and MLLDPE expects 15 parts, look female 4 parts, processing aid 4 parts.
Wherein in embodiment 1 ~ 3: the melt index of PE80 pipeline material is 0.1-0.3g/10min (190 DEG C of-2.16kg), and tensile strength is greater than 23MPA, and elongation at break is greater than 400%; MLLDPE material is metallocene linear-low density polyethylene, and its melt index is 0.5-2g/10min (190 DEG C of-2.16kg), and elongation at break is greater than 800%; Look mother is carbon black; Processing aid comprises hygroscopic agent and antiageing agent.
Embodiment 4: the preparation method of high tensile plastic-steel-wound drainage pipe material, comprises the steps:
A, according to above formula, load weighted component is added batch mixer, be transported to after stirring in extruder warm air drying hopper, drying is dried;
B, carry out on-line heating with high frequency to steel band 20, it is 180-250 DEG C that steel band 20 is heated to technological temperature instantaneously through high frequency coil by steel band 20 in movement process;
C, mixed ingredients 10 extruder on feeder, through screw rod to mould conveying material, the plasticizing of heat absorption limit, conveying limit, screw rod shearing material limit is coordinated by mold exterior heating, the mixed ingredients 10 plastified and steel band 20 are combined into standard sections at specific complex extrusion die simultaneously, as shown in Figure 1, 2, wherein, the turning of mixed ingredients 10 is half rounded corner R, as DN200-DN300, R=2.5mm; As DN400-DN500, R=3mm; When DN >=600, R=4mm; Knuckle θ is 75 °.
D, sticky and surface of contact A and the B pressure roller embossing at standard sections, then send into standard sections and be wound around cage winding, aim at two top blast hot blasts of embossing, surface of contact temperature is brought up to more than 120 DEG C, bonds in plastic squeeze by Hot air blast device under ribbon feeder effect; Wherein, viscose glue formula is the raw material composition of following weight portion: PE8050-55 part, special bonding resin 40-48 part, look female 2-5 part.
E, enter into shaping die, be squeezed into high tensile plastic-steel-wound drainage pipe material through inside and outside twice pressure roller simultaneously.
The plastic-steel-wound drainage pipe material physical property that the present invention and prior art are prepared from contrasts as following table:
As can be seen from above table: ring stiffness and the tensile strength of plastic-steel-wound drainage pipe material of the present invention all increase.
Claims (7)
1. a high tensile plastic-steel-wound drainage pipe material, comprise mixed ingredients (10) and steel band (20), it is characterized in that, the periphery of described steel band (20) is coated with mixed ingredients (10), mixed ingredients afterbody (11) is zigzag, and the knuckle θ of Z font is 75 °.
2. high tensile plastic-steel-wound drainage pipe material according to claim 1, it is characterized in that, described mixed ingredients (10) is prepared from by the raw material of following weight portion: PE80 pipeline material 70-85 part, and MLLDPE expects 10-20 part, look female 2-5 part, processing aid 3-5 part.
3. high tensile plastic-steel-wound drainage pipe material according to claim 2, it is characterized in that, described PE80 pipeline material temperature be 190 DEG C, pressure be melt index under the condition of 2.16kg is 0.1-0.3g/10min, tensile strength is greater than 23MPA, and elongation at break is greater than 400%.
4. high tensile plastic-steel-wound drainage pipe material according to claim 2, it is characterized in that, described MLLDPE material is metallocene linear-low density polyethylene, its be 190 DEG C of pressure be the condition of 2.16kg in temperature under melt index be 0.5-2g/10min, elongation at break is greater than 800%.
5. high tensile plastic-steel-wound drainage pipe material according to claim 2, is characterized in that, described look mother is carbon black, and described processing aid comprises hygroscopic agent and antiageing agent.
6. the preparation method of high tensile plastic-steel-wound drainage pipe material according to claim 2, is characterized in that, comprise the steps:
A, according to above formula, load weighted component is added batch mixer, be transported to after stirring in extruder warm air drying hopper, drying is dried;
B, carry out on-line heating with high frequency to steel band (20), it is 180-250 DEG C that steel band (20) is heated to technological temperature instantaneously through high frequency coil by steel band (20) in movement process;
C, mixed ingredients (10) extruder on feeder, through screw rod to mould conveying material, coordinate the plasticizing of heat absorption limit, conveying limit, screw rod shearing material limit by mold exterior heating, the mixed ingredients (10) plastified and steel band (20) are combined into standard sections at specific complex extrusion die simultaneously;
D, sticky and surface of contact A and the B pressure roller embossing at standard sections, then send into standard sections and be wound around cage winding, aim at two top blast hot blasts of embossing, surface of contact temperature is brought up to more than 120 DEG C, bonds in plastic squeeze by Hot air blast device under ribbon feeder effect;
E, enter into shaping die, be squeezed into high tensile plastic-steel-wound drainage pipe material through inside and outside twice pressure roller simultaneously.
7. the preparation method of high tensile plastic-steel-wound drainage pipe material according to claim 6, is characterized in that, in described steps d, viscose glue formula is the raw material composition of following weight portion: PE8050-55 part, special bonding resin 40-48 part, look female 2-5 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510066893.4A CN104676143A (en) | 2015-02-09 | 2015-02-09 | High-tensile-strength plastic steel winding drainage pipe and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510066893.4A CN104676143A (en) | 2015-02-09 | 2015-02-09 | High-tensile-strength plastic steel winding drainage pipe and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104676143A true CN104676143A (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510066893.4A Pending CN104676143A (en) | 2015-02-09 | 2015-02-09 | High-tensile-strength plastic steel winding drainage pipe and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104961976A (en) * | 2015-07-17 | 2015-10-07 | 四川省川杭塑胶科技有限公司 | Modified polyolefin DRPO steel-plastic reinforced wrapped drainage blow-off pipe |
-
2015
- 2015-02-09 CN CN201510066893.4A patent/CN104676143A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104961976A (en) * | 2015-07-17 | 2015-10-07 | 四川省川杭塑胶科技有限公司 | Modified polyolefin DRPO steel-plastic reinforced wrapped drainage blow-off pipe |
| CN104961976B (en) * | 2015-07-17 | 2018-06-19 | 四川省川杭塑胶科技有限公司 | Improved polyalkene DRPO steel modeling enhancing winding draining blow-off pipe |
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Application publication date: 20150603 |