CN113831751A - Fiber-plastic power tube and preparation method thereof - Google Patents
Fiber-plastic power tube and preparation method thereof Download PDFInfo
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- CN113831751A CN113831751A CN202111004851.XA CN202111004851A CN113831751A CN 113831751 A CN113831751 A CN 113831751A CN 202111004851 A CN202111004851 A CN 202111004851A CN 113831751 A CN113831751 A CN 113831751A
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- fiber
- power tube
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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
- C08L101/00—Compositions of unspecified macromolecular compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a fiber-plastic power tube, which is prepared from a fiber-plastic composite material as a raw material, wherein the fiber-plastic composite material is prepared by mixing textile fabrics and plastics. The invention also discloses a preparation method of the fiber-plastic power tube. The specific fiber-plastic composite material is used as the raw material of the power tube, the fiber-plastic composite material has more excellent mechanical property than a single component in the power tube, the prepared power tube has excellent mechanical property, and meanwhile, the main material is waste, so that the cost is reduced, and resources are fully recycled; compared with the traditional power tube, the wall thickness can be made thinner under the condition of not influencing the performance of products, so that the hole diameter of the middle hollow hole is larger, the integral weight of the material is reduced, and the material is light; the preparation method is simple and easy, is convenient for large-scale industrial production, is environment-friendly and energy-saving in raw materials, and the prepared power tube has excellent performance and wide application field.
Description
Technical Field
The invention belongs to the field of composite materials, and particularly relates to a fiber-plastic power tube and a preparation method thereof.
Background
The power tube is a common tube, can be widely applied to pipeline projects such as municipal administration, telecommunication, electric power, coal gas, tap water, heating power and the like, and is required to have excellent electrical insulation, tensile property and pressure resistance. Along with the gradual expansion of the application field, the toughness, the flame retardance and the aging resistance of the conventional power tube can not meet the requirements of the use site and the use environment gradually, and the preparation method is complex and the processing difficulty is high. Therefore, there is a need for a power tube made of a novel material, which has low water absorption, high mechanical strength and low friction coefficient, can be used for a long time, and can effectively prevent the damage of plant roots and soil environmental stress.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is the problem of the existing power tube, and the invention provides the fiber-plastic power tube and the preparation method thereof.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the invention provides a fiber-plastic power tube, which is made of fiber-plastic composite materials;
the fiber-plastic composite material is prepared by mixing textile fabrics and plastics;
the preparation method of the fiber-plastic composite material comprises the steps of crushing, opening, removing impurities and carding the interwoven textile fabric to obtain treated textile fiber; reducing the volume of the treated textile fiber and plastic, and mixing to obtain a fiber-plastic mixture; dispersing the fibers in the fiber-plastic mixture in the plastic and forming an interface to obtain a crude fiber-plastic compound; granulating and cooling the crude fiber-plastic composite to obtain the fiber-plastic composite material.
The textile fabric is a new material, a reclaimed material or a compound, a blended material and a mixture of the new material and the reclaimed material, the new material comprises one or more compounds, blended materials and mixtures of chemical fibers, plant fibers and animal fibers, and the reclaimed material comprises old clothes or leftover materials generated in the textile processing process;
the plastic comprises one or more of PE, PP, PVC, PS and ABS;
the mass ratio of the treated textile fibers to the plastic is 1: 0.4-0.8.
Specifically, in the preparation method of the fiber-plastic composite material, the mixing is to mix and extrude the treated textile fiber, the organic matter and the plastic by a screw at the temperature of 150-3；
The dispersion is banburying under the conditions of no oxygen and 200 ℃ of 150-;
the particle size of the fiber-plastic composite material obtained after granulation and cooling is 2-6 mm.
Furthermore, the fiber-plastic composite material also comprises auxiliary materials accounting for 10-20 wt% of the total mass, wherein the auxiliary materials comprise one or more of fillers, wood materials and processing aids;
wherein the wood material comprises one or a mixture of wood powder, rice hull and straw.
The filler comprises one or more of limestone, talcum powder, fly ash, construction waste crushing, slag and electronic circuit board crushing.
The auxiliary agent comprises one or more of mineral oil, vegetable oil, stearic acid and derivatives thereof, degraded polyolefin wax, antioxidant, ultraviolet absorbent and the like.
Furthermore, the fiber-plastic electric power pipe comprises an electric power pipe inner layer and an electric power pipe surface layer, wherein the electric power pipe inner layer is made of a first fiber-plastic composite material, and the electric power pipe surface layer is made of a second fiber-plastic composite material.
The content of the textile fiber in the first fiber-plastic composite material is larger than that of the second fiber-plastic composite material.
Further, the diameter of the power tube is 15-20cm, the inner thickness of the power tube is 6-10mm, and the surface thickness of the power tube is 1-2 mm.
The invention also provides a preparation method of the power tube, which comprises the following steps:
s1: feeding the fiber-plastic composite material into an extruder for continuous extrusion to obtain a rough power tube;
s2: and cutting, sanding and designing textures of the rough power tube to obtain a finished power tube.
Further, the temperature of the continuous extrusion in step S1 is 170-200 ℃.
The technical scheme of the invention has the following advantages:
(1) the invention adopts the specific fiber-plastic composite material as the raw material of the power tube, the fiber-plastic composite material has better mechanical property than the single component, the prepared power tube has excellent mechanical property, and the main material is waste, thereby reducing the cost and fully recycling the resources.
(2) Compared with the traditional electric power pipe, the wall thickness of the electric power pipe can be thinner under the condition of not influencing the performance of products, so that the overall weight of the material is reduced, the material is light, and meanwhile, the material used in the method is suitable for laying electric power pipelines in various environments and cannot influence the environment. .
(3) The composite material is prepared by co-extruding two fiber-plastic composite materials, so that the performance of the plate can be better controlled, the surface layer can embody different colors and patterns according to needs, and meanwhile, the core layer and the surface layer of the plate prepared by co-extrusion have strong bonding force due to good material compatibility, so that the two layers are not easy to separate.
(4) The preparation method is simple and feasible, is convenient for large-scale industrial production, is environment-friendly and energy-saving in raw materials, and the prepared power tube has excellent performance and wide application field.
Detailed Description
The following examples are provided to further understand the present invention, not to limit the scope of the present invention, but to provide the best mode, not to limit the content and the protection scope of the present invention, and any product similar or similar to the present invention, which is obtained by combining the present invention with other prior art features, falls within the protection scope of the present invention.
The examples do not show the specific experimental steps or conditions, and can be performed according to the conventional experimental steps described in the literature in the field. The reagents or instruments used are not indicated by manufacturers, and are all conventional reagent products which can be obtained commercially.
The specific preparation method of the first fiber-plastic composite material used in the examples is as follows:
(1) crushing the woven fabric, scattering the woven fabric into a fluffy state, repeating the process for 3 times, removing metal fragments and particles in the woven fabric by using airflow separation, and finally carding for 2 times to obtain the treated textile fiber, wherein the volume of the treated textile fiber is 3 times of that of the woven fabric, and the treated textile fiber is uniform and completely separated single fiber or fiber with a yarn structure;
(2) extruding the treated textile fiber, plastic and auxiliary materials by a screw at 200 ℃ and 100r/min, mixing and reducing the volume to obtain a blocky fiber-plastic mixture with the density of 1200kg/m3Then cooling the fiber-plastic mixture to 140 ℃; wherein the weight ratio of the textile fiber, the plastic and the auxiliary material is 1:0.5: 0.2.
(3) Banburying the fiber-plastic mixture at 280 ℃ in the absence of oxygen to disperse fibers in plastic and form an interface to obtain a crude fiber-plastic compound, wherein the banburying has a rotor rotating speed of 50r/min, a differential speed ratio of 0.9 and a time of 10 min.
The specific preparation method of the second fiber-plastic composite material used in the examples is as follows:
(1) crushing the woven fabric, scattering the woven fabric into a fluffy state, repeating the process for 3 times, removing metal fragments and particles in the woven fabric by using airflow separation, and finally carding for 2 times to obtain the treated textile fiber, wherein the volume of the treated textile fiber is 3 times of that of the woven fabric, and the treated textile fiber is uniform and completely separated single fiber or fiber with a yarn structure;
(2) extruding the treated textile fiber, plastic and auxiliary materials by a screw at 200 ℃ and 100r/min, mixing and reducing the volume to obtain a blocky fiber-plastic mixture with the density of 1100kg/m3Then cooling the fiber-plastic mixture to 150 ℃; wherein the weight ratio of the textile fiber, the plastic and the auxiliary material is 1:0.8: 0.2.
(3) Banburying the fiber-plastic mixture under the conditions of no oxygen and 220 ℃ to ensure that fibers are dispersed in plastic and form an interface to obtain the massive fiber-plastic composite material, wherein the rotary speed of a rotor in the banburying process is 60r/min, the differential ratio is 1, and the time is 2 min.
The used textile fabrics are leftover materials and recovered uniform in a clothing factory, and the source is 'two-net fusion' garbage classification and sorting.
The used plastic is PE, and the source is 'two-network integration' garbage classification and sorting.
The used auxiliary materials are wood materials which are waste wood chips of a wood processing factory, and the sources are 'two-net fusion' garbage classification and sorting.
The filler is conventional commercially available 100-mesh calcium carbonate;
the auxiliary agent comprises conventional commercially available rubber processing oil, stearic acid and derivatives thereof, degraded polyolefin wax, antioxidant 1010 and ultraviolet absorbent UV-531;
the mass ratio of each component in the auxiliary materials is waste wood dust: calcium carbonate: rubber process oil: stearic acid: degrading the polyolefin wax: antioxidant: the ultraviolet absorbent is 10:5:1:1:1:1: 1.
Example 1
The embodiment provides a fiber-plastic power tube, and the specific preparation method comprises the following steps:
(1) feeding the first fiber-plastic composite material and the second fiber-plastic composite material into an extruder to continuously and jointly extrude at 180 ℃ to obtain a rough power tube, wherein the rough power tube comprises a power tube surface layer and a power tube inner layer; the inner layer of the power tube is made of the first fiber-plastic composite material, the surface layer of the power tube is made of the second fiber-plastic composite material, the diameter of the power tube is 15cm, the thickness of the inner layer of the power tube is 6mm, and the thickness of the surface layer of the power tube is 1 mm;
s2: and cutting, sanding and designing textures of the rough power tube to obtain a finished power tube.
Example 2
The embodiment provides a fiber-plastic power tube, and the specific preparation method comprises the following steps:
(1) feeding the first fiber-plastic composite material and the second fiber-plastic composite material into an extruder to continuously and jointly extrude at 180 ℃ to obtain a rough power tube, wherein the rough power tube comprises a power tube surface layer and a power tube inner layer; the inner layer of the power tube is made of the first fiber-plastic composite material, the surface layer of the power tube is made of the second fiber-plastic composite material, the diameter of the power tube is 20cm, the thickness of the inner layer of the power tube is 10mm, and the thickness of the surface layer of the power tube is 2 mm;
s2: and cutting, sanding and designing textures of the rough power tube to obtain a finished power tube.
Example 3
The embodiment provides a fiber-plastic power tube, and the specific preparation method comprises the following steps:
(1) feeding the first fiber-plastic composite material and the second fiber-plastic composite material into an extruder to continuously and jointly extrude at 180 ℃ to obtain a rough power tube, wherein the rough power tube comprises a power tube surface layer and a power tube inner layer; the inner layer of the power tube is made of the first fiber-plastic composite material, the surface layer of the power tube is made of the second fiber-plastic composite material, the diameter of the power tube is 18cm, the thickness of the inner layer of the power tube is 8mm, and the thickness of the surface layer of the power tube is 1.5 mm;
s2: and cutting, sanding and designing textures of the rough power tube to obtain a finished power tube.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (7)
1. The fiber-plastic power tube is characterized in that the raw material of the fiber-plastic power tube is a fiber-plastic composite material;
the fiber-plastic composite material is prepared by mixing textile fabrics and plastics;
the preparation method of the fiber-plastic composite material comprises the steps of crushing, opening, removing impurities and carding the interwoven textile fabric to obtain treated textile fiber; reducing the volume of the treated textile fiber and plastic, and mixing to obtain a fiber-plastic mixture; dispersing the fibers in the fiber-plastic mixture in the plastic and forming an interface to obtain a crude fiber-plastic compound; granulating and cooling the crude fiber-plastic composite to obtain the fiber-plastic composite material.
2. The power tube of claim 1, further comprising an auxiliary material in an amount of 10-20 wt% of the total mass, wherein the auxiliary material comprises one or more of a filler, a wood material, and a processing aid.
3. The power pipe of claim 2, wherein the fiber-plastic power pipe comprises an inner power pipe layer and a surface power pipe layer, the inner power pipe layer is made of a first fiber-plastic composite material, and the surface power pipe layer is made of a second fiber-plastic composite material.
4. The power tube of claim 3, wherein the first fiber-plastic composite has a greater woven fiber content than the second fiber-plastic composite.
5. The power tube of claim 4, wherein the diameter of the power tube is 15-20cm, the inner thickness of the power tube is 6-10mm, and the surface thickness of the power tube is 1-2 mm.
6. A method for manufacturing an electric power tube as claimed in any one of claims 1 to 5, characterized by comprising the steps of:
s1: feeding the fiber-plastic composite material into an extruder for continuous extrusion to obtain a rough power tube;
s2: and cutting, sanding and designing textures of the rough power tube to obtain a finished power tube.
7. The method as claimed in claim 6, wherein the temperature of the continuous extrusion in step S1 is 170-200 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111004851.XA CN113831751A (en) | 2021-08-30 | 2021-08-30 | Fiber-plastic power tube and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111004851.XA CN113831751A (en) | 2021-08-30 | 2021-08-30 | Fiber-plastic power tube and preparation method thereof |
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| CN113831751A true CN113831751A (en) | 2021-12-24 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101275003A (en) * | 2008-04-30 | 2008-10-01 | 天津大学 | Formula and method for producing wood-plastic composite material with waste polyvinyl chloride cable |
| CN101367967A (en) * | 2008-08-28 | 2009-02-18 | 天津大学 | Prescription for synthesizing wood-plastic composite panel with waste and old PE cable sheath and manufacturing method thereof |
| CN102653611A (en) * | 2012-04-15 | 2012-09-05 | 广东巨洋环保科技有限公司 | Wood-plastic plate containing fiber of old clothes |
| CN105924792A (en) * | 2016-07-07 | 2016-09-07 | 安徽国风木塑科技有限公司 | PP wood plastic drainage pipeline and preparation method thereof |
| CN113045877A (en) * | 2021-05-13 | 2021-06-29 | 上海纤苏新材料科技有限公司 | High-performance fiber-plastic composite material |
-
2021
- 2021-08-30 CN CN202111004851.XA patent/CN113831751A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101275003A (en) * | 2008-04-30 | 2008-10-01 | 天津大学 | Formula and method for producing wood-plastic composite material with waste polyvinyl chloride cable |
| CN101367967A (en) * | 2008-08-28 | 2009-02-18 | 天津大学 | Prescription for synthesizing wood-plastic composite panel with waste and old PE cable sheath and manufacturing method thereof |
| CN102653611A (en) * | 2012-04-15 | 2012-09-05 | 广东巨洋环保科技有限公司 | Wood-plastic plate containing fiber of old clothes |
| CN105924792A (en) * | 2016-07-07 | 2016-09-07 | 安徽国风木塑科技有限公司 | PP wood plastic drainage pipeline and preparation method thereof |
| CN113045877A (en) * | 2021-05-13 | 2021-06-29 | 上海纤苏新材料科技有限公司 | High-performance fiber-plastic composite material |
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