CN111253694A - PVC (polyvinyl chloride) cable material for 5G photoelectric hybrid cable - Google Patents
PVC (polyvinyl chloride) cable material for 5G photoelectric hybrid cable Download PDFInfo
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- CN111253694A CN111253694A CN201911132054.2A CN201911132054A CN111253694A CN 111253694 A CN111253694 A CN 111253694A CN 201911132054 A CN201911132054 A CN 201911132054A CN 111253694 A CN111253694 A CN 111253694A
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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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- 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
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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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
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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
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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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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)
- Organic Insulating Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a PVC cable material for a 5G photoelectric hybrid cable, which comprises the following components in parts by weight: 100 parts of PVC resin, 10-30 parts of trioctyl trimellitate, 1-30 parts of vinyl acetate/butyl acrylate/carbonyl copolymer material, 1-30 parts of calcium carbonate, 0.1-0.2 part of polyethylene wax, 0.1-0.2 part of stearic acid, 2-5 parts of calcium-zinc composite stabilizer, 1-5 parts of gamma-chloropropyl methyl diethoxy silane, 0.1-1 part of high-density oxidized polyethylene wax, 0.1-2 parts of oleamide and 0.1-10 parts of hydrotalcite. The PVC cable material of the 5G photoelectric hybrid cable is low in dielectric constant, can effectively reduce the signal attenuation of the optical cable in the hybrid cable, and can meet the requirements of the use environment of the optical cable at the temperature of between 40 ℃ below zero and 105 ℃.
Description
Technical Field
The invention belongs to the technical field of cables, and particularly relates to a PVC cable material for a 5G photoelectric hybrid cable.
Background
At present, the good interest policy that the country supports the economic development of civil-camp enterprises is constantly coming, a new round of scientific and technological revolution screen has been drawn open in the world, global energy internet accelerates the development, communication infrastructure demand is growing day by day, accelerate along with 5G communication global construction pace, the 5G era is coming, internal operator development can be gradually close to international market, consequently in the aspect of base station construction, the integrative cable of photoelectricity and indoor wireless coverage photoelectricity that the base station was pulled far away can be along with iron tower company and china for the development of company and demand volume surge. In the domestic industry, the base station remote photoelectric integrated cable product, especially a product applied to a base station tower, is a key area for the development of the whole base station remote photoelectric integrated cable product.
The traditional PVC cable material is a product which is prepared by taking PVC resin as a base material, adding a plasticizer to reduce the processing temperature of the resin and the softening point of the product, improving the heat resistance of the product and delaying the degradation of PVC through a stabilizer, and improving the processing performance of the product through a lubricant to enable the material to be easier to demould and flow, and the like, and mixing the materials together after being extruded and plasticized through a screw in a proper proportion. The traditional low-temperature-resistant PVC cable material usually needs to be added with a large amount of plasticizer to achieve low-temperature resistance (low-temperature impact performance is passed at minus 40 ℃), but due to the addition of the large amount of plasticizer, a product is soft (generally, Shore A hardness is about 70, therefore, a PVC product has high hardness and low-temperature resistance which is a technical bottleneck of the PVC product, at present, reports indicate that the vinyl acetate/butyl acrylate/carbonyl terpolymer has good compatibility with PVC, good low-temperature resistance and no precipitation permanently, can be used as the plasticizer, enables the final cable product to have excellent low-temperature resistance and achieve the low-temperature impact performance standard, and simultaneously meets the high-hardness requirement, because the melting point of the terpolymer material is low (about 60 ℃), the processing process (the temperature is about 160 ℃) is easy to agglomerate, the low-temperature resistance of the product is reduced, the dielectric constant of the PVC cable material is generally more than 3.6, the strength requirement of the optical cable signal in the 5G hybrid cable cannot be met.
Disclosure of Invention
The invention aims to provide a PVC cable material for a 5G photoelectric mixed cable, which can meet the requirements of an optical cable use environment at a temperature of between 40 ℃ below zero and 105 ℃, reduce the dielectric constant of the PVC cable material and effectively reduce the signal attenuation of the optical cable in the mixed cable.
In order to achieve the purpose, the technical scheme of the invention is as follows: a PVC cable material for a 5G photoelectric hybrid cable comprises the following components in parts by weight:
100 parts of PVC resin, namely 100 parts of PVC resin,
10-30 parts of trioctyl trimellitate,
1-30 parts of vinyl acetate/butyl acrylate/carbonyl copolymer material,
1-30 parts of calcium carbonate,
0.1 to 0.2 portion of polyethylene wax,
0.1 to 0.2 part of stearic acid,
2-5 parts of calcium-zinc composite stabilizer,
1-5 parts of gamma-chloropropyl methyl diethoxy silane,
0.1 to 1 part of high-density oxidized polyethylene wax,
0.1 to 2 parts of oleamide,
0.1-10 parts of hydrotalcite.
The technical scheme of further improvement in the technical scheme of the protective film is as follows:
1. in the above technical solution, the polymerization degree of the PVC resin is greater than or equal to 1300.
2. In the technical scheme, the mesh number of the calcium carbonate is more than or equal to 2500 meshes.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. according to the PVC cable material for the 5G photoelectric mixed cable, hydrotalcite and oleamide are added into the PVC cable material, the dielectric constant of the PVC cable material is reduced through the compounding of hydrotalcite and oleamide, and the signal attenuation of the optical cable in the mixed cable can be effectively reduced.
2. The oleic acid amide and the gamma-chloropropyl methyl diethoxy silane are coated on the surface of the terpolymer, so that the agglomeration phenomenon of the terpolymer in the processing process can be obviously reduced, the low-temperature resistance of the PVC cable material is improved, and the requirements of optical cable use environments at the temperature of between 40 ℃ below zero and 105 ℃ can be met.
Detailed Description
In the description of this patent, it is noted that the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
The invention is further described below with reference to the following examples:
examples 1 to 4: a PVC cable material for a 5G photoelectric hybrid cable comprises the following components in parts by weight:
TABLE 1
The polymerization degree of the PVC resin in example 1 was 1300 and the mesh number of calcium carbonate was 2500. The polymerization degree of the PVC resin in example 2 was 1300 and the mesh number of calcium carbonate was 2550. The polymerization degree of the PVC resin in example 3 is 1400, and the mesh number of calcium carbonate is 2600 mesh. The polymerization degree of the PVC resin in example 4 is 1400, and the mesh number of calcium carbonate is 2500.
The preparation method of the PVC cable material for the 5G photoelectric hybrid cable comprises the following steps:
s1: weighing 1-5 parts of gamma-chloropropyl methyl diethoxysilane and 1-30 parts of vinyl acetate/butyl acrylate/carbonyl copolymer material, and premixing by using a high-speed mixer to coat the high-density oxidized polyethylene wax and the gamma-chloropropyl methyl diethoxysilane on the surface of the vinyl acetate/butyl acrylate/carbonyl copolymer material to obtain a material A;
s2: weighing 0.1-10 parts of hydrotalcite and 0.1-2 parts of oleamide, and mixing the hydrotalcite and the oleamide to obtain a material B;
s3: adding 100 parts of PVC resin, 1-30 parts of calcium carbonate, 0.1-0.2 part of polyethylene wax, 0.1-0.2 part of stearic acid, 10-30 parts of trioctyl trimellitate, 2-5 parts of calcium-zinc composite stabilizer, 0.1-1 part of high-density oxidized polyethylene wax, material A and material B into a high-speed mixer for mixing and plasticizing;
s4: and (4) transferring the uniformly stirred raw materials in the step S3 into a double-screw material making machine for extrusion processing, and then extruding and granulating through a single-screw extrusion granulator.
When the PVC cable material for the 5G photoelectric mixed cable is extruded into the cable, the temperature setting of each area of the extruder is recommended to be as follows:
position 1, zone 2, zone 3, zone 4, zone 5, zone 6, zone 7
Temperature 150170170170170175180 deg.C
Comparative examples 1 to 2: a PVC cable material for a 5G photoelectric hybrid cable comprises the following components in parts by weight:
in comparative examples 1 to 2, the polymerization degree of the PVC resin was 1400 and the mesh number of calcium carbonate was 2600. Comparative examples 1-2 a method for preparing a PVC cable material for a 5G hybrid optical/electrical cable was the same as in the examples and will not be described here.
The performance test of the PVC cable material of the 5G photoelectric hybrid cable obtained in the above examples 1 to 4 was performed, and the detection results are shown in table 3 below:
TABLE 3
As can be seen from the test data of table 3 above, the dielectric constant of each example of the present invention is between 2.8 and 3.0 and has low temperature resistance and good static thermal stability as compared with comparative example 1, and each example of the present invention has low temperature resistance and good static thermal stability as compared with comparative example 2.
Therefore, the hydrotalcite and the oleamide are added into the PVC cable material of the 5G photoelectric hybrid cable, the dielectric constant of the PVC cable material is reduced through the compounding of the hydrotalcite and the oleamide, and the attenuation of optical cable signals in the hybrid cable can be effectively reduced.
According to the preparation method of the PVC cable material of the 5G photoelectric hybrid cable, the hydrotalcite and the oleamide are cooperated, and the gamma-chloropropyl methyl diethoxysilane is coated on the surface of the terpolymer, so that the agglomeration phenomenon of the terpolymer in the processing process can be obviously reduced, the low temperature resistance of the PVC cable material is improved, and the use environment requirement of an optical cable at the temperature of-40 ℃ to 105 ℃ can be met.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (3)
1. The PVC cable material for the 5G photoelectric hybrid cable is characterized by comprising the following components in parts by weight:
100 parts of PVC resin, namely 100 parts of PVC resin,
10-30 parts of trioctyl trimellitate,
1-30 parts of vinyl acetate/butyl acrylate/carbonyl copolymer material,
1-30 parts of calcium carbonate,
0.1 to 0.2 portion of polyethylene wax,
0.1 to 0.2 part of stearic acid,
2-5 parts of calcium-zinc composite stabilizer,
1-5 parts of gamma-chloropropyl methyl diethoxy silane,
0.1 to 1 part of high-density oxidized polyethylene wax,
0.1 to 2 parts of oleamide,
0.1-10 parts of hydrotalcite.
2. The PVC cable material for a 5G photoelectric hybrid cable according to claim 1, wherein the polymerization degree of the PVC resin is greater than or equal to 1300.
3. The PVC cable material for a 5G photoelectric hybrid cable according to claim 1, wherein the mesh number of the calcium carbonate is greater than or equal to 2500 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911132054.2A CN111253694A (en) | 2019-11-19 | 2019-11-19 | PVC (polyvinyl chloride) cable material for 5G photoelectric hybrid cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911132054.2A CN111253694A (en) | 2019-11-19 | 2019-11-19 | PVC (polyvinyl chloride) cable material for 5G photoelectric hybrid cable |
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| Publication Number | Publication Date |
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| CN111253694A true CN111253694A (en) | 2020-06-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114316464A (en) * | 2021-12-13 | 2022-04-12 | 乐庭电线工业（惠州）有限公司 | Polyurethane modified polyvinyl chloride flame-retardant sheath rubber material and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107603143A (en) * | 2016-07-11 | 2018-01-19 | 江阴汉姆应用界面有限公司 | A kind of copper-clad plate epoxy resin of low-k FR 4 |
| CN109401128A (en) * | 2018-11-12 | 2019-03-01 | 苏州亨利通信材料有限公司 | A kind of low temperature resistant PVC cable material of semihard and its preparation method and application |
-
2019
- 2019-11-19 CN CN201911132054.2A patent/CN111253694A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107603143A (en) * | 2016-07-11 | 2018-01-19 | 江阴汉姆应用界面有限公司 | A kind of copper-clad plate epoxy resin of low-k FR 4 |
| CN109401128A (en) * | 2018-11-12 | 2019-03-01 | 苏州亨利通信材料有限公司 | A kind of low temperature resistant PVC cable material of semihard and its preparation method and application |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114316464A (en) * | 2021-12-13 | 2022-04-12 | 乐庭电线工业（惠州）有限公司 | Polyurethane modified polyvinyl chloride flame-retardant sheath rubber material and preparation method and application thereof |
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Application publication date: 20200609 |