CN113637274B - Water-soluble cutting fluid-resistant bending-resistant deflection-resistant modified polyvinyl chloride cable material and preparation method thereof - Google Patents
Water-soluble cutting fluid-resistant bending-resistant deflection-resistant modified polyvinyl chloride cable material and preparation method thereof Download PDFInfo
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- CN113637274B CN113637274B CN202111022218.3A CN202111022218A CN113637274B CN 113637274 B CN113637274 B CN 113637274B CN 202111022218 A CN202111022218 A CN 202111022218A CN 113637274 B CN113637274 B CN 113637274B
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- 239000000463 material Substances 0.000 title claims abstract description 59
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 48
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 48
- 238000005452 bending Methods 0.000 title claims abstract description 42
- 239000002173 cutting fluid Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 239000003607 modifier Substances 0.000 claims abstract description 10
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- 239000011347 resin Substances 0.000 claims abstract description 9
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- 239000003381 stabilizer Substances 0.000 claims abstract description 7
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- 238000009413 insulation Methods 0.000 description 12
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- WPMYUUITDBHVQZ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoic acid Chemical compound CC(C)(C)C1=CC(CCC(O)=O)=CC(C(C)(C)C)=C1O WPMYUUITDBHVQZ-UHFFFAOYSA-N 0.000 description 1
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- JNXDCMUUZNIWPQ-UHFFFAOYSA-N trioctyl benzene-1,2,4-tricarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C(C(=O)OCCCCCCCC)=C1 JNXDCMUUZNIWPQ-UHFFFAOYSA-N 0.000 description 1
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
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- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- 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
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- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- 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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Abstract
The invention provides a water-soluble cutting fluid bending and flexing resistant modified polyvinyl chloride cable material, which comprises the following components in parts by weight: 100 parts of polyvinyl chloride resin, 50-70 parts of plasticizer, 5-10 parts of stabilizer, 15-25 parts of filler, 6-30 parts of high-molecular modifier, 10-25 parts of flame retardant, 0.2-1 part of lubricant, 1-3 parts of forming agent and 0.4-1 part of anti-aging agent. The invention also provides a preparation method of the water-soluble cutting fluid bending and flexing resistant modified polyvinyl chloride cable material. The bending-resistant and bending-resistant modified polyvinyl chloride cable material prepared by the water-resistant solution cutting fluid has high temperature resistance, water-resistant solution property, oil-invasion low expansibility and bending-resistant flexibility, overcomes the defects of the existing material, and is suitable for being used in high-temperature and high-oil-pollution environments and on the occasions where wires are repeatedly bent and bent.
Description
Technical Field
The invention belongs to the technical field of wires and cables, and particularly relates to a water-soluble cutting fluid and bending deflection resistant modified polyvinyl chloride cable material and a preparation method thereof.
Background
With the acceleration of social progress, consumers pay more and more attention to the quality of life as the income of the nation increases. With the continuous upgrading of consumption demand, domestic consumption is younger and more, and the intense pursuit of quality life by the domestic consumption is a driving force for the growth of high-end household appliance markets. And as the consumption concept of high-end household appliances is more mature, the quality of the household appliance products is more important, the household appliance products are reliable, the functions are diversified, the household appliance products are intelligent, the technical content is high, the appearance is fashionable, the high-end products such as personalized customization and the like can meet the consumption requirements, and the continuous increase of the consumption trend is led.
The country supports the public entrepreneurship, and the spirit of innovation of the masses is improved; the novel infrastructure construction is being developed, and the innovative development of the industries such as the base materials, the electric wires and cables, the digital servers, the artificial intelligence equipment, the application and the like in the upstream and downstream industrial chains is realized. Brings new development opportunity for manufacturing industry, and drives the rapid development of wire and cable industry. The method is applied to the industrial brand layout of the foreign resources enterprises, and occupies a high-end market in time under the market background that innovation and development quickly surpass. The special modified polyvinyl chloride wire and cable material which is safer and more reliable in operation, longer in performance life cycle, capable of mastering the independent core technology, high in core competitiveness, high in added value, low in cost, easy to process and environment-friendly in the key field needs to be researched.
Chinese patent application 201210434564.7 provides an oil-resistant anticorrosive PVC cable material and a preparation method thereof, and particularly discloses an oil-resistant anticorrosive PVC cable material and a preparation method thereof. The oil-resistant anticorrosive PVC cable material comprises the following components in parts by weight: 100 parts of PVC resin, 15-40 parts of rubber, 40-65 parts of plasticizer, 30-55 parts of calcium carbonate, 5-12 parts of heat stabilizer, 1.5-4 parts of lubricant and 1-2 parts of antioxidant. The oil-resistant anti-corrosion PVC cable material prepared by the invention has the advantages of temperature resistance, cold resistance, oil resistance and corrosion resistance, overcomes the defects of the existing material, and is suitable for cable materials in cold regions and coastal regions.
The Chinese patent application 200910116261.9 provides a composite material for wire and cable insulation and sheath, which comprises, by weight, 40-55% of polyvinyl chloride resin (PVC), 13-18% of polycarbonate, 26-32% of plasticizer, 5-9% of activated calcium carbonate, 2.5-4% of stabilizer, and 0.5-1% of lubricant. The cable made of the composite material has excellent performance, improves the high temperature resistance, low temperature resistance, acid resistance, oil resistance and corrosion resistance of the cable, resists impact, prolongs the service life of the cable, is safe and reliable to operate, reduces the loss caused by power failure or cable replacement to production and the inconvenience of residents in life, and reduces the cost of spare parts and the operation cost.
The Chinese patent application 201611040551.6 provides a cable composite material and a manufacturing method thereof, a charging cable and a charging pile, which comprise the following formula components in parts by weight: 100 parts of polyvinyl chloride resin, 0-15 parts of filler, 50-80 parts of plasticizer, 6-12 parts of stabilizer, 8-15 parts of rubber modifier, 5-10 parts of insulation resistance agent, 4-10 parts of flame retardant, 1-3 parts of colorant and 0.5-1 part of UV resistant agent. The charging cable of the present invention comprises the cable composite of the present invention. The cable composite material disclosed by the embodiment of the invention has excellent performances of high temperature resistance, oil resistance, corrosion resistance, UV resistance, low temperature resistance, good mechanical property and the like. The cable composite material prepared by the preparation method has stable performance and reduces the cost. The charging cable and the charging pile containing the cable composite material provided by the invention have stable performance in different working environments, and the safety of the charging cable and the charging pile is improved.
The cable material in the prior art has the following technical problems: the oil resistance, the low expansibility, the low insulation resistance attenuation and the bending flexibility can not be simultaneously met, only one or two performance requirements can be met, and a plurality of requirements can not be simultaneously met; some high-end materials, such as polyurethane, polyester elastomer and the like, can meet the performance requirements, but are expensive, complex and special in processing technology and difficult to use in batches.
Aiming at the problems of customer requirements and the prior art, a special modified polyvinyl chloride wire and cable material which is high temperature resistant, water-soluble cutting fluid resistant, oil-immersed, low in expansibility change rate, low in attenuation insulation resistance and bending and flexing resistant needs to be developed.
Disclosure of Invention
The invention aims to overcome the defects, provides a water-soluble cutting fluid bending and flexing resistant modified polyvinyl chloride cable material and a preparation method thereof, has the advantages of optimal water-soluble cutting fluid resistance, low expansion change rate of oil invasion, excellent bending and flexing resistance and excellent comprehensive performance, and provides a solution for using equipment link wires in the communication field and special occasions by using the modified polyvinyl chloride polymer material.
The technical scheme of the invention is as follows:
a water-soluble cutting fluid-resistant bending and flexing-resistant modified polyvinyl chloride cable material comprises the following components in parts by weight:
preferably, the first and second electrodes are formed of a metal,
in the invention, the polyvinyl chloride resin is PVC resin powder with the PVC polymerization degree of 1300 and the K value of 70.
In the invention, the plasticizer is one or more of adipic acid polyester and trioctyl trimellitate.
In the invention, the stabilizer is an environment-friendly calcium-zinc heat stabilizer.
In the invention, the filler is one or more of ground calcium carbonate with the fineness of more than 2500 meshes and nano calcium carbonate.
In the invention, the polymer modifier is one or more of nitrile rubber, chlorinated polyethylene and core-shell polymer modifier.
In the invention, the flame retardant is a mixture of antimony trioxide and magnesium hydroxide in a weight ratio of 1: 4.
In the invention, the lubricant is one or more of polyethylene wax and calcium stearate.
In the invention, the forming agent is a low molecular weight acrylate copolymer.
In the water-soluble cutting fluid bending-resistant and flexing-resistant modified polyvinyl chloride cable material, the anti-aging agent is one or more of tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester and high-efficiency polyphenol additives.
In a preferred embodiment of the present invention, the cable material comprises the following components in parts by weight:
the invention also provides a preparation method of the water-soluble cutting fluid bending-resistant deflection-resistant modified polyvinyl chloride cable material, which comprises the following steps:
1) sequentially adding polyvinyl chloride resin powder, a stabilizer, a filler, a flame retardant, a lubricant, an anti-aging agent and a plasticizer into a high-speed mixer, starting the high-speed mixer to mix at a high speed, controlling the temperature at 150 +/-5 ℃ and rotating at 1100 rpm;
2) mixing at high speed to 100 ℃, adding a forming agent, adding a high-molecular modifier at 145 ℃, continuously mixing to a set temperature, and discharging to obtain a mixture;
3) and (3) feeding the raw materials uniformly mixed in the step (2) into a double-screw extrusion granulator, controlling the temperature at 115 ℃ and 150 ℃, and drying the extruded particles to obtain the waterproof solution bending-resistant flexible modified polyvinyl chloride cable material.
The invention has the following technical effects:
1) the cable material is improved on the basis of the common material PVC, so that after the cable material is compounded with the high-molecular modifier, various requirements of the cable material can be met, and an unexpected technical effect is achieved.
2) The bending-resistant and bending-resistant modified polyvinyl chloride cable material prepared by the water-resistant solution cutting fluid disclosed by the invention has the advantages of temperature resistance, water-resistant solution property, oil invasion low expansibility and bending-resistant flexibility of the material, overcomes the defects of the existing material, and is suitable for being used in high-temperature and high-oil-stain environments and on the occasions where wires are repeatedly bent and bent.
Drawings
FIG. 1 is a production process diagram of the water-soluble cutting fluid bending-resistant modified polyvinyl chloride cable material.
Detailed Description
The invention is further illustrated by the following examples. It should be understood that the examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
The materials involved in the present invention are purchased from the following sources:
examples 1 to 4
1. Experimental Material
The compositions and proportions of the raw materials are shown in the following table.
Formulation tables for Cable Material of examples 1 to 4
2. Preparation method
Embodiment 1-4 preparation method of water-soluble cutting fluid bending deflection resistant modified polyvinyl chloride cable material, including the following steps:
1) sequentially adding polyvinyl chloride resin powder, a stabilizer, a filler, a flame retardant, a lubricant, an anti-aging agent and a plasticizer into a high-speed mixer, starting the high-speed mixer to mix at a high speed, controlling the temperature at 150 +/-5 ℃ and rotating at 1100 rpm;
2) mixing at high speed until the plasticizer is absorbed by the powder, adding the forming agent when the material temperature reaches 100 ℃, continuously mixing to 145 ℃, adding the high molecular modifier material, and discharging when the material temperature reaches the set temperature;
3) directly feeding the raw materials in the step 2) into a double-screw material making machine for extrusion material making, and uniformly dividing the heating temperature of each section of the double-screw material making machine from 115 ℃ to 150 ℃ according to the number of the heating sections; and drying the extruded and molded finished product at 50-60 ℃.
Water-soluble cutting fluid resistant bending and flexing resistant modified polyvinyl chloride cable material double-connection granulation extruder with temperature setting (+/-5 ℃ C.)
3. Performance test of water-soluble cutting fluid bending and flexing resistant modified polyvinyl chloride cable material
1) Reference standard method for detection equipment
| Detection device | Reference to UL 7581581 is in accordance with the Standard | Test method |
| Insulation thickness meter | UL1581 | Wire insulation sheath thickness test method |
| UL burn-in box | Air aging equipment meter 420.9 | ASTM D 5423-93 |
| Universal stretching instrument | UL1581 TABLE 50181 section | 470 th plastic tensile property test method |
| Deflection testing machine | UL817 95.1-95.4 | Wire bending test method |
| High resistance meter | Section UL 1581920 | Method for testing insulation resistivity in water |
| Low temperature test chamber | UL 1581580 section 583 | Low temperature bending test method |
| Aging box/test device | UL 1581540 and 420.9 sections | Thermal shock test method |
| Aging box/test device | Section UL 1581560 | Heat distortion test method |
| UL combustion box | UL 1581 1080VW-1 | Vertical burning test method |
2) Variety of water-soluble cutting fluid for experiment
| |
FEG 366 water-soluble cutting fluid | ET50T-3 water-soluble cutting fluid |
3) Performance testing
Compared with the water-soluble cutting fluid bending-resistant and flexing-resistant modified polyvinyl chloride cable material prepared according to the proportion of the comparative examples 1 to 4, the performance test is carried out
Mechanical property test of water-soluble cutting fluid bending-resistant modified polyvinyl chloride cable material
4) Examples 1 to 4 bending resistance test of water-soluble cutting fluid bending resistance radius modified polyvinyl chloride cable material prepared according to the mixture ratio of the above materials
The test requirements are as follows: the bending and flexing tester has a swing angle of +/-45 degrees, swings 30 times per minute and a hanging weight of 500G
5) Examples 1 to 4. the water-soluble resistant cutting fluid bending deflection resistant modified polyvinyl chloride cable material prepared according to the mixture ratio
75 ℃ 168H (U) type short-term soaking Mobil Wida 3# rail oil tensile strength and elongation test
6) Examples 1 to 4 the water-soluble-resistant cutting fluid bending-resistant modified polyvinyl chloride cable material prepared according to the mixture ratio
75 ℃ 168H short-term soaking Mobil Wida 3# guide rail oil and expansion change rate resistance test
| Detecting items | Outer diameter mm before aging | External diameter mm after aging | The outer diameter change rate is mm% |
| Reference article | 3.9 | 3.98 | 2.05％ |
| Example 1 | 3.9 | 4.46 | 14.36％ |
| Example 2 | 3.89 | 4.21 | 8.23％ |
| Example 3 | 3.9 | 4.16 | 6.67％ |
| Example 4 | 3.88 | 3.95 | 1.8％ |
4 long-term water-soluble cutting fluid resistance test
1) The water-soluble-resistant cutting fluid bending-resistant modified polyvinyl chloride cable material prepared according to the optimized proportion in example 4
55 ℃ (U) type long-term immersion insulation resistance attenuation test
The larger the value of the mean insulation resistance retention rate at the same time, the smaller the resistance attenuation
2) The water-soluble-resistant cutting fluid bending-resistant modified polyvinyl chloride cable material prepared according to the optimized proportion in example 4
55 ℃ (U) type long-term immersion insulation leakage current resistance attenuation test
The smaller the average leakage current decay retention value is, the better the insulation property is
3) The water-soluble-resistant cutting fluid bending-resistant modified polyvinyl chloride cable material prepared according to the optimized proportion in example 4
External diameter change rate test after long-term soaking at 55 DEG C
The above tests examined the effects of the type of plasticizer and the type of polymer modifier on the oil resistance and flexural flexibility of the PVC material in the reference and the formulations of examples 1 to 4.
The results show that:
1. the reference product has better oil resistance and comprehensive performance and poorer bending and flexing resistance.
2. The bending deflection resistance of example 1 was satisfactory, and the oil resistance, oil invasion expansion rate and flame retardance were poor.
3. The combination of the properties of example 2 and example 3 is still comparable, with a poorer rate of change of oil-encroaching expansion.
4. Example 4 the modified material produced shows synergistic effect after the polymer modifier is used in combination in the contact process of the water-soluble resistant cutting fluid; the mechanical and physical properties are excellent, the flexibility is better when the steel plate is bent at 45 degrees, the oil-immersed insulation attenuation parameter is close to the customer parameter, and the oil-immersed expansion change rate is lower.
5. By combining the test results, the cutting fluid-resistant bending-resistant deflection-resistant modified polyvinyl chloride cable material prepared in the embodiment 4 has excellent flexibility, excellent electrical property, excellent bending fatigue resistance, and the comprehensive performance meeting the design requirements.
The foregoing is illustrative and explanatory of the invention and is not intended to limit the advantages achieved thereby, as many variations and modifications are possible in the practice and implementation of the invention without departing from the inventive concept thereof, and such are within the scope of the invention.
Claims (2)
1. The water-soluble cutting fluid bending and flexing resistant modified polyvinyl chloride cable material is characterized by comprising the following components in parts by weight:
2. the preparation method of the water-soluble cutting fluid bending and flexing resistant modified polyvinyl chloride cable material as claimed in claim 1, characterized by comprising the following steps:
1) sequentially adding polyvinyl chloride resin powder, a stabilizer, a filler, a flame retardant, a lubricant, an anti-aging agent and a plasticizer into a high-speed mixer, starting the high-speed mixer to mix at a high speed, controlling the temperature at 150 +/-5 ℃ and rotating at 1100 rpm;
2) mixing at high speed to 100 ℃, adding a forming agent, adding a high-molecular modifier at 145 ℃, continuously mixing to a set temperature, and discharging to obtain a mixture;
3) and (3) feeding the raw materials uniformly mixed in the step (2) into a double-screw extrusion granulator, controlling the temperature at 115 ℃ and 150 ℃, and drying the extruded particles to obtain the waterproof solution bending-resistant flexible modified polyvinyl chloride cable material.
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| CN104927261A (en) * | 2015-05-21 | 2015-09-23 | 青岛科凯达橡塑有限公司 | Corrosion-resistant electric conduction and heat conduction chlorinated polyvinyl chloride resin material and preparation method and application thereof |
| CN109233145A (en) * | 2018-08-01 | 2019-01-18 | 惠州乐庭电子线缆有限公司 | polyvinyl chloride cable material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104927261A (en) * | 2015-05-21 | 2015-09-23 | 青岛科凯达橡塑有限公司 | Corrosion-resistant electric conduction and heat conduction chlorinated polyvinyl chloride resin material and preparation method and application thereof |
| CN109233145A (en) * | 2018-08-01 | 2019-01-18 | 惠州乐庭电子线缆有限公司 | polyvinyl chloride cable material and preparation method thereof |
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