CN109181163A - A kind of processing technology of waste and old cable - Google Patents
A kind of processing technology of waste and old cable Download PDFInfo
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- CN109181163A CN109181163A CN201811040232.4A CN201811040232A CN109181163A CN 109181163 A CN109181163 A CN 109181163A CN 201811040232 A CN201811040232 A CN 201811040232A CN 109181163 A CN109181163 A CN 109181163A
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- waste
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- pvc
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/24—Crystallisation aids
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of processing technology of waste and old cable, including the following steps: (1) pretreatment of raw material: the waste and old PVC cable material after cleaning being shredded and is put into pulverizer repeatedly crushing three times, then the PVC cable material of crushing is sieved with 100 mesh sieve, and be dried for standby；Wood powder is dried 2 hours at 180 DEG C again, it is spare；(2) other components in the PVC cable material for the crushing dried in step (1), wood powder and formula according to a certain percentage, at high-speed mixer and mixing 8 minutes, are obtained into uniformly mixed raw material；(3) raw material uniformly mixed in step (2) is put into double screw extruder, temperature is adjusted to 140~170 DEG C, and screw speed is 20~50r/min, and melting, mixing, extrusion obtain Wood-plastic material.Technique control easy to accomplish of the present invention is a kind of economical and practical environment-protective process route, can be realized waste cable material re-using, with good economic efficiency and environment protection significance.
Description
Technical field
The present invention relates to material recovery re-usings, in particular to a kind of processing technology of waste and old cable.
Background technique
With the rapid development of industry, plastic products are more and more in various industries field, along with plastics-production and
The expansion of application, the problem of also bringing plastic pollution environment.With the development of high-molecular organic material regenerative use technology, more
It recycles technique to be applied in this field come more technics of reclaim of plastic waste, on the one hand solves problem of environmental pollution, one
Aspect recycling and reusing saves resource.In numerous plastics reutilization technologies, waste cable material reutilization technology is a weight
The aspect wanted.
Waste and old cable material crust recycling conventional method is dissolved into appropriate solvent, then add other using dissolution method
Floor, tubing etc. is made in additive, but this method and process is many and diverse, and the organic solvent being designed into is typically all containing benzene
Solvent, it is unfriendly to environment.It develops simple, easy to operate and is not easy to cause environment the waste and old cable material of secondary pollution again sharp
It is the major issue that current line needs to solve in the industry with technique.
Summary of the invention
The present invention solves deficiency in the prior art, provides a kind of twisted polyethylene cable that can be used for 110KV high pressure
Insulating materials.
The technical solution of the present invention is as follows: a kind of processing technology of waste and old cable, which is characterized in that including the following steps:
(1) pretreatment of raw material: the waste and old PVC cable material after cleaning is shredded and is put into pulverizer repeatedly crushing three
It is secondary, then the PVC cable material of crushing is sieved with 100 mesh sieve, and is dried for standby；Wood powder is dried 2 hours at 10 DEG C again, it is spare；
(2) according to a certain percentage by other components in the PVC cable material for the crushing dried in step (1), wood powder and formula,
At high-speed mixer and mixing 8 minutes, uniformly mixed raw material is obtained；
(3) raw material being uniformly mixed in step (2) being put into double screw extruder, temperature is adjusted to 140~170 DEG C,
Screw speed is 20~50r/min, and melting, mixing, extrusion obtain Wood-plastic material.
Preferably, further include step (4), will squeeze out in step (3) obtained Wood-plastic material in kneading machine in 140~
It is kneaded at a temperature of 160 DEG C, cutting obtains sheet Wood-plastic material.
It preferably, further include step (5), by the sheet Wood-plastic material prepared in step (4) in hydraulic press, tabletting, system
Obtain Wood plastic boards.
Preferably, it is formulated described in step (2), according to weight fraction meter, comprising: 40~90 parts of waste PVC CABLE MATERIALSs, 0
~50 parts of wood powders, 0~40 part of pure PVC powder, 1~3 part of compound stabilizer, 0~10 part of coupling agent, 1~2 part of lubricant, surplus
For other auxiliary agents.
Preferably, the compound stabilizer is one in calcium stearate, ricinoleic acid calcium, zinc stearate and zinc ricinate
Kind or several mixtures.
Preferably, the coupling agent is titanate coupling agent.
The defect for solving the prior art of the invention, has the advantages that
1. all having carried out drying and processing to the PVC cable material of crushing and wood powder etc. in technique of the invention, and temperature does not surpass
150 DEG C are crossed, carrying out drying and processing to these raw material can be improved the quality of the Wood-plastic material finally prepared, because undried
Wood powder can cause material foams, if drying temperature it is excessively high as wood powder burn, so in process control temperature and its
It is important.
2. being added to a certain amount of coupling agent in the process of the invention, coupling agent has modifying function to wood powder, modified
The degree of wood powder its surface polarity reduce, will not thus hinder the dispersion between hydrophilic filler and thermoplastic material
The adhesiveness of property and surface, substantially increases the composite performance of Wood-plastic material.
3. lubricant is added in formula of the invention, because the cohesive force of the matrix PVC material of technique is big, mobility
Difference is not easy to process, and being added to lubricant improves the processing performance of material, improves thermal stability.
4. the technological parameter that waste cable material in the present invention re-uses double screw extruder in technique are as follows: temperature is
140~170 DEG C, screw speed is 20~50r/min, and product quality obtained is best in this process parameters range, because
If the revolving speed of screw rod is lower, low output；If the revolving speed of screw rod is higher, product surface is coarse.Extrusion temperature is not above 170
DEG C, if it exceeds 170 DEG C, the wood powder meeting coking in formula influences the quality of product, if temperature is too low, is extruded into product
Type also has serious influence.
5. technique control easy to accomplish of the present invention is a kind of economical and practical environment-protective process route, can be realized
Waste cable material re-uses, with good economic efficiency and environment protection significance.
Specific embodiment
In order to enable those skilled in the art to better understand the present invention, and keep above-mentioned advantage of the invention brighter
Show understandable, the present invention will be further described in detail below with reference to specific embodiments.
Embodiment 1-3
(1) crust of waste and old PVC cable material is removed, shreds, cleans up, crushed in pulverizer three times, cross 100
Mesh removes biggish particle, then dries 1 hour at 90 ± 5 DEG C, spare；
Wood powder is sieved with 100 mesh sieve, then is dried at 180 DEG C, the moisture in wood powder and other volatile components are removed, this
Sample is conducive to improve stability of the wood powder in system；
Pure PVC granule is sieved with 100 mesh sieve, is dried 1 hour at 90 ± 5 DEG C, it is spare；
(2) waste PVC CABLE MATERIALS, wood powder and the pure PVC granule and formula that will be crushed after sieving in step (1) and drying
Middle other components are weighed according to the ratio in formula table 1, are put into high-speed mixer and mixing 8 minutes, and revolving speed 4500r/min is obtained
Uniformly mixed raw material；
(3) raw material being uniformly mixed in step (2) being put into double screw extruder, temperature is adjusted to 140~170 DEG C,
Screw speed is 20~50r/min, and melting, mixing, extrusion obtain Wood-plastic material.Screw speed and temperature are controlled in this portion,
This two technological parameters have important influence to product property, if the revolving speed of screw rod is lower, low output；If the revolving speed of screw rod
Higher, product surface is coarse.Extrusion temperature is not above 170 DEG C, if it exceeds 170 DEG C, wood powder in formula can coking, influence
The quality of product also has serious influence to product extrusion molding if temperature is too low；
(4) by squeeze out in step (3) obtained Wood-plastic material in kneading machine in 140~160 DEG C at a temperature of be kneaded, cut
It cuts to obtain sheet Wood-plastic material；
(5) by the sheet Wood-plastic material prepared in step (4) in hydraulic press, tabletting is made Wood plastic boards, can directly use
Plate obtained re-uses Wood-plastic material made from technique to waste PVC CABLE MATERIALS and is tested for the property.
Comparative example 1
Other components in formula are consistent in embodiment 2, matrix resin be pure PVC, production and processing technology also with
It is consistent in embodiment.
Comparative example 2
Other components in formula are consistent in embodiment 2, and matrix resin is entirely waste PVC CABLE MATERIALS, and production adds
Work technique is also consistent in embodiment.
Comparative example 3
Component in formula with it is completely the same in embodiment 2, in preparation process, temperature >=180 of double screw extruder
DEG C, it is consistent in other technological parameters and embodiment 2.In this comparative example, several temperature can be arranged at >=180 DEG C in temperature more
Spend gradient, such as 180 DEG C, 185 DEG C, 190 DEG C etc..
Comparative example 4
Component in formula with it is completely the same in embodiment 2, in preparation process, the revolving speed of double-screw extruder screw >=
It is consistent in 55r/min, other technological parameters and embodiment 2.In this comparative example, when revolving speed >=55r/min of screw rod, Ke Yiduo
Several gradients, such as 55r/min, 60r/min, 65r/min etc. are set.
Calcium stearate of the present invention, ricinoleic acid calcium, zinc stearate, zinc ricinate, titanate coupling agent, stone
Wax, metallic soap, esters of acrylic acid PVC modifier and antioxidant etc. are all the products being easy to get in the market in industry.
Performance test
(1) tensile property test is carried out to the Wood-plastic material of preparation, test equipment is omnipotent test machine for mechanism, testing standard
For GB/T1040-1992, it is testing the result is that 5 samples average value.Tensile strength, which refers to, applies axis to the testing of materials
To drawing force, until the maximum pull that sample is able to bear during sample fracture.
(2) impact test, testing standard GB/T1843-1996 are carried out to the Wood-plastic material of preparation, test equipment is
Impact tester for simple supported beam.
In embodiment 1-3, the component in formula is completely the same, and the content of component is different, and processing technology is also identical, has
It is all optimal that test data, which can be seen that the comprehensive performance data of embodiment 2, in table 2, because real in the embodiment of the present invention
Applying example 2 is most preferred embodiment.
Embodiment 1-3 and comparative example 1 compare: the comprehensive performance data of comparative example 1 are slightly better than the synthesis number in embodiment 2
According to, but be not much different, illustrate the performance of the Wood-plastic material of the Wood-plastic material prepared with waste PVC CABLE MATERIALS and pure PVC preparation
Gap is little, and waste PVC CABLE MATERIALS preparation Wood-plastic material can satisfy product demand, in order to environmental factor and save at
This factor can use addition waste PVC CABLE MATERIALS completely to prepare Wood-plastic material.
Embodiment 1-3 is compared with comparison 2, and the tensile strength in comparison 2 only has 2.0MPa, and elongation at break only has
30%, tensile property and shock resistance are poor more than in embodiment 1-3, illustrate to match in the technique for re-using waste PVC
Fang Zhong, suitable pure polyvinyl chloride resin of addition is that have significant impact to the material property of preparation.This is because waste and old PVC cable
Material passes through long-term exposing to the weather, and degradation reaction may has occurred in polyvinyl chloride resin under the action of illumination and air, resin matrix
Physicochemical property decline, these missings can be made up by adding pure polyvinyl chloride resin, help to improve the mechanical property of material.
Comparative example 3 and embodiment 1-3 are compared, and the Wood-plastic material rough surface prepared in comparative example 3 and blackening do power to it
Performance test is learned, almost without tensile strength.Comparative example 4 and embodiment 1-3 are compared, and Wood-plastic material prepared by comparative example 4 has not
The PVC granule powder of plasticizing exists, and is easy to pull apart.The temperature and screw speed of double screw extruder are to the product for preparing product
Matter has large effect.Temperature is 140~170 DEG C in embodiment 1-3, and screw speed is 20~50r/min, in this technique
Product quality obtained is best in parameter area, because if the revolving speed of screw rod is lower, low output；If the revolving speed of screw rod compared with
Height, product surface are coarse.Extrusion temperature is not above 170 DEG C, if it exceeds 170 DEG C, wood powder in formula can coking, influence to make
The quality of product also has serious influence to product extrusion molding if temperature is too low.
The above description is merely a specific embodiment, and scope of protection of the present invention is not limited thereto, any ripe
Know those skilled in the art in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope that protection scope of the present invention should be defined with claim
Subject to.
1 formula table unit (weight fraction) of table
2 the performance test results of table
Claims (6)
1. a kind of processing technology of waste and old cable, which is characterized in that including the following steps:
(1) pretreatment of raw material: the waste and old PVC cable material after cleaning is shredded and is put into pulverizer repeatedly crushing three times, so
The PVC cable material of crushing is sieved with 100 mesh sieve afterwards, and is dried for standby；Wood powder is dried 2 hours at 10 DEG C again, it is spare；
(2) according to a certain percentage by other components in the PVC cable material for the crushing dried in step (1), wood powder and formula, in height
It is mixed 8 minutes in mixed machine, obtains uniformly mixed raw material；
(3) raw material being uniformly mixed in step (2) is put into double screw extruder, temperature is adjusted to 140~170 DEG C, screw rod
Revolving speed is 20~50r/min, and melting, mixing, extrusion obtain Wood-plastic material.
2. a kind of processing technology of waste and old cable according to claim 1, which is characterized in that further include step (4), will walk
Suddenly squeeze out in (3) obtained Wood-plastic material in kneading machine in 140~160 DEG C at a temperature of be kneaded, cutting obtains sheet wood moulding
Material.
3. a kind of processing technology of waste and old cable according to claim 2, which is characterized in that further include step (5), will walk
Suddenly the sheet Wood-plastic material prepared in (4) is in hydraulic press, tabletting, and Wood plastic boards are made.
4. a kind of processing technology of waste and old cable according to claim 1, which is characterized in that it is formulated described in step (2),
According to weight fraction meter, comprising: 40~90 parts of waste PVC CABLE MATERIALSs, 0~50 part of wood powder, 0~40 part of pure PVC powder, 1~3 part
Compound stabilizer, 0~10 part of coupling agent, 1~2 part of lubricant, surplus are other auxiliary agents.
5. a kind of processing technology of waste and old cable according to claim 4, which is characterized in that the compound stabilizer is hard
One or more of resin acid calcium, ricinoleic acid calcium, zinc stearate and zinc ricinate mixture.
6. a kind of processing technology of waste and old cable according to claim 4, which is characterized in that the coupling agent is titanate esters
Coupling agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811040232.4A CN109181163A (en) | 2018-09-07 | 2018-09-07 | A kind of processing technology of waste and old cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811040232.4A CN109181163A (en) | 2018-09-07 | 2018-09-07 | A kind of processing technology of waste and old cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109181163A true CN109181163A (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811040232.4A Pending CN109181163A (en) | 2018-09-07 | 2018-09-07 | A kind of processing technology of waste and old cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113334610A (en) * | 2021-07-05 | 2021-09-03 | 安徽泓泽新材料科技有限公司 | High-rotation-speed high-shear two-stage extrusion granulation process |
| CN113429708A (en) * | 2021-07-27 | 2021-09-24 | 国网河南省电力公司内乡县供电公司 | Electric flame-retardant partition plate and preparation process thereof |
-
2018
- 2018-09-07 CN CN201811040232.4A patent/CN109181163A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113334610A (en) * | 2021-07-05 | 2021-09-03 | 安徽泓泽新材料科技有限公司 | High-rotation-speed high-shear two-stage extrusion granulation process |
| CN113429708A (en) * | 2021-07-27 | 2021-09-24 | 国网河南省电力公司内乡县供电公司 | Electric flame-retardant partition plate and preparation process thereof |
| CN113429708B (en) * | 2021-07-27 | 2024-03-01 | 国网河南省电力公司内乡县供电公司 | Electric flame-retardant partition board and preparation process thereof |
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Application publication date: 20190111 |