CN114249933A - Cable and optical cable packaging chloroprene rubber and preparation method thereof - Google Patents
Cable and optical cable packaging chloroprene rubber and preparation method thereof Download PDFInfo
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- CN114249933A CN114249933A CN202010998277.3A CN202010998277A CN114249933A CN 114249933 A CN114249933 A CN 114249933A CN 202010998277 A CN202010998277 A CN 202010998277A CN 114249933 A CN114249933 A CN 114249933A
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- 229920001084 poly(chloroprene) Polymers 0.000 title claims abstract description 57
- 230000003287 optical effect Effects 0.000 title claims abstract description 28
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 34
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- 239000006229 carbon black Substances 0.000 claims abstract description 19
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 15
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 15
- 229920001194 natural rubber Polymers 0.000 claims abstract description 15
- 229920001971 elastomer Polymers 0.000 claims abstract description 13
- 239000005060 rubber Substances 0.000 claims abstract description 13
- 239000005662 Paraffin oil Substances 0.000 claims abstract description 9
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 9
- 239000007822 coupling agent Substances 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims abstract description 9
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 9
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 9
- 239000008117 stearic acid Substances 0.000 claims abstract description 9
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 8
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 8
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003223 protective agent Substances 0.000 claims abstract description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 18
- 239000011593 sulfur Substances 0.000 claims description 11
- 229910052717 sulfur Inorganic materials 0.000 claims description 11
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000011787 zinc oxide Substances 0.000 claims description 9
- 239000011324 bead Substances 0.000 claims description 8
- REQPQFUJGGOFQL-UHFFFAOYSA-N dimethylcarbamothioyl n,n-dimethylcarbamodithioate Chemical compound CN(C)C(=S)SC(=S)N(C)C REQPQFUJGGOFQL-UHFFFAOYSA-N 0.000 claims description 8
- 229910000464 lead oxide Inorganic materials 0.000 claims description 8
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 claims description 8
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 238000009499 grossing Methods 0.000 claims description 4
- OUBMGJOQLXMSNT-UHFFFAOYSA-N N-isopropyl-N'-phenyl-p-phenylenediamine Chemical compound C1=CC(NC(C)C)=CC=C1NC1=CC=CC=C1 OUBMGJOQLXMSNT-UHFFFAOYSA-N 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 239000003963 antioxidant agent Substances 0.000 claims 2
- 230000003078 antioxidant effect Effects 0.000 claims 2
- ZZMVLMVFYMGSMY-UHFFFAOYSA-N 4-n-(4-methylpentan-2-yl)-1-n-phenylbenzene-1,4-diamine Chemical compound C1=CC(NC(C)CC(C)C)=CC=C1NC1=CC=CC=C1 ZZMVLMVFYMGSMY-UHFFFAOYSA-N 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 239000004005 microsphere Substances 0.000 abstract 1
- 230000003712 anti-aging effect Effects 0.000 description 12
- 238000010292 electrical insulation Methods 0.000 description 7
- 230000020169 heat generation Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000002994 raw material Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- FCSHMCFRCYZTRQ-UHFFFAOYSA-N N,N'-diphenylthiourea Chemical group C=1C=CC=CC=1NC(=S)NC1=CC=CC=C1 FCSHMCFRCYZTRQ-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 238000010057 rubber processing Methods 0.000 description 1
- -1 sulfur modified chloroprene Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Images
Classifications
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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
- C08L11/00—Compositions of homopolymers or copolymers of chloroprene
-
- 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
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
-
- 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
- C08K2003/2234—Oxides; Hydroxides of metals of lead
-
- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
-
- 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
-
- 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
Abstract
The cable and optical cable packaging chloroprene rubber comprises 70-75 parts of chloroprene rubber, 5-10 parts of natural rubber, 15-20 parts of butadiene rubber, 30-60 parts of hollow glass microspheres, 10-15 parts of white carbon black, 0-40 parts of kaolin, 0-5 parts of carbon black, 2-10 parts of paraffin oil, 2-5 parts of a protective agent, 0.5-1 part of stearic acid, 18-26 parts of a vulcanizing agent, 2-8 parts of an accelerator and 2-4 parts of a silicon-69 coupling agent, and is prepared by plasticating, mixing and feeding thin sheets to obtain the cable and optical cable packaging chloroprene rubber. The three rubbers are used together, so that the technical problem of pure chloroprene rubber is solved, the bonding effect of the packaging interface is good, the processing performance is excellent, the preparation process is simple, the manufacturability is good, the cost is low, the energy is saved, the environment is protected, and the rubber can be used in water or under burning sun.
Description
Technical Field
The invention belongs to the field of rubber, and relates to cable and optical cable packaging chloroprene rubber and a preparation method thereof.
Background
The cable mainly comprises one or more mutually insulated wires, an insulating protective layer and an outer layer sealing sheath, and the optical cable mainly comprises optical fibers, a plastic protective sleeve and an outer layer sheath. The outer sheath of cable, optical cable's effect is avoided the internals to receive external impurity's interference, and is effectual to keep apart internals and external, nevertheless need encapsulate alone at joint or corner, and the encapsulation material not only requires that electrical insulation can be good, and mechanical strength is good, and to service environment, encapsulation interface bonding effect and encapsulation process temperature have higher requirement moreover, and service environment's change is the challenge of outer protective sheath and packaging material more. Among many materials, rubber can meet the requirements, but a single rubber formula is difficult to meet all the requirements, and the use environment has limitations.
At present, most of cables and optical cables are packaged by filling a large amount of filler with pure chloroprene rubber, the chloroprene rubber is polar, has poor electrical insulation performance, is filled with a large amount of filler with high density and poor water resistance, has greatly reduced electrical insulation performance in water, and has the problems of high heat generation speed, high heat generation, easy scorching, roller sticking during processing and the like. In the international Japanese electrochemistry, various new pure chloroprene rubber varieties are developed through advanced synthesis technology, which can meet partial application, but the price is high, and the purchasing of the Japanese rubber is greatly influenced by international relations.
Disclosure of Invention
The invention aims to solve the technical problems of high density, poor electrical insulation performance, poor water resistance, fast heat generation, more heat generation, easy scorching and roller sticking in the chloroprene rubber processing process in the prior art, and provides the chloroprene rubber for the cable and the optical cable packaging and the preparation method thereof.
The invention provides cable and optical cable packaging chloroprene rubber which is characterized by comprising the following components: the components are as follows in parts by weight:
the chloroprene rubber is non-sulfur regulation type chloroprene rubber.
The protective agent is one or more of an anti-aging agent A, an anti-aging agent 4010NA, an anti-aging agent 4020 and an anti-aging agent RD.
The vulcanizing agent is two or more of lead oxide, zinc oxide and sulfur.
The promoter is one or more of promoter CA, promoter TMTD, promoter TMTM, promoter DM and promoter PX.
The lead oxide is 15-20 parts by weight, the zinc oxide is 3-5 parts by weight, and the sulfur is 0-1 part by weight.
The mass parts of the accelerant CA are 2-4 parts, and the mass parts of the accelerant TMTD, TMTM, DM and PX are 0-1 part respectively.
The sum of the mass parts of the sulfur, the promoter TMTD and the promoter TMTM is 1-2 parts.
The preparation method of the cable and optical cable packaging chloroprene rubber is characterized by comprising the following steps:
(1) plasticating: plasticating chloroprene rubber to be thin and smoothing, plasticating natural rubber to be thin and smoothing;
(2) mixing: mixing the plasticated chloroprene rubber, natural rubber and un-plasticated butadiene rubber, adding a protective agent, hollow glass beads, white carbon black, kaolin, carbon black, paraffin oil, stearic acid and a silicon-69 coupling agent, and mixing;
(3) open mixing: adding a vulcanizing agent and an accelerant, and thinly passing through the lower sheet to obtain the cable and optical cable packaging chloroprene rubber.
The plasticated chloroprene rubber is thinned for 3-4 times, the plasticated natural rubber is thinned for 10-12 times, the roller temperature is controlled to be 50-80 ℃, and the Mooney viscosity ML (1+4)100 is 30-50; the mixing and rubber combining process is carried out for 1-2 minutes, and the temperature of an internal mixing chamber is controlled to be 60 +/-3 ℃; adding a protective agent, hollow glass beads, white carbon black, kaolin, carbon black, paraffin oil, stearic acid and a silicon-69 coupling agent, mixing for 2-3 minutes, and controlling the temperature of a mixing chamber to be 80 +/-3 ℃; and the roll temperature of the open mill is controlled to be 50-60 ℃.
The invention has the advantages and beneficial effects that:
1. the invention adopts the combination of non-sulfur modified chloroprene rubber, natural rubber and butadiene rubber, has low vulcanization temperature, and the obtained rubber material has the advantages of good physical and mechanical properties, weather aging resistance, chemical corrosion resistance, ozone resistance, good bonding effect of packaging interfaces and the like of the chloroprene rubber, and also has good processing properties and excellent electrical insulation properties of the natural rubber and the butadiene rubber, and the combination of the three rubbers makes up for the shortages, thereby overcoming the technical problems of poor electrical insulation properties, fast heat generation, much heat generation, easy scorching, roller sticking and the like in the processing process due to the adoption of the pure chloroprene rubber.
2. According to the invention, the white carbon black is used as a reinforcing agent, and the physical and mechanical properties and the electrical insulation property of the sizing material are considered; the hollow glass beads are used as the filler, so that the density of the rubber material can be effectively reduced.
3. According to the invention, lead oxide and zinc oxide are adopted as vulcanizing agents, are insoluble in water and do not absorb moisture, meanwhile, cis-butadiene rubber is low in water absorption, the obtained sizing material is good in water resistance, can be used in water and under burning sun, CA (chemical name is diphenyl thiourea) is adopted as an accelerating agent, the temperature in the packaging process can be effectively reduced, and the effects of energy conservation and environmental protection are achieved.
4. The rubber material disclosed by the invention is simple in preparation process, good in manufacturability, low in cost, energy-saving, environment-friendly and wide in application range.
5. The chloroprene rubber prepared by the invention has high market application value.
Drawings
FIG. 1 is a graph of the rheometer at 120 ℃ for 60 minutes for a rubber composition prepared by mixing the raw materials according to the formulation of example 1.
Detailed Description
Example 1:
the cable and optical cable packaging chloroprene rubber comprises the following raw materials in parts by mass:
plasticating the chloroprene rubber by using an open mill for 3-4 times, plasticating the natural rubber for 10-12 times, controlling the roller temperature at 50-80 ℃ and the Mooney viscosity ML (1+4)100 at 30-50; mixing the plasticated chloroprene rubber, natural rubber and non-plasticated butadiene rubber by an internal mixer for 1-2 minutes, controlling the temperature of an internal mixing chamber to be 60 +/-3 ℃, adding an anti-aging agent 4010NA, an anti-aging agent RD, hollow glass beads, carbon black, white carbon black, kaolin, carbon black, paraffin oil, stearic acid and a silicon-69 coupling agent, mixing for 2-3 minutes, and controlling the temperature of the internal mixing chamber to be 80 +/-3 ℃; adding lead oxide serving as a vulcanizing agent, zinc oxide, sulfur, a promoter CA and a promoter TMTD into an open mill, and thinly passing through a lower sheet, wherein the roll temperature is controlled to be 50-60 ℃, so as to obtain the cable and optical cable packaging chloroprene rubber.
Example 2:
the cable and optical cable packaging chloroprene rubber comprises the following raw materials in parts by mass:
plasticating the chloroprene rubber by using an open mill for 3-4 times, plasticating the natural rubber for 10-12 times, controlling the roller temperature at 50-80 ℃ and the Mooney viscosity ML (1+4)100 at 30-50; mixing the plasticated chloroprene rubber, natural rubber and non-plasticated butadiene rubber by an internal mixer for 1-2 minutes, controlling the temperature of an internal mixing chamber to be 60 +/-3 ℃, adding an anti-aging agent A, an anti-aging agent RD, carbon black, white carbon black, hollow glass beads, paraffin oil, stearic acid and a coupling agent silicon-69, mixing for 2-3 minutes, and controlling the temperature of the internal mixing chamber to be 80 +/-3 ℃; adding lead oxide serving as a vulcanizing agent, zinc oxide, sulfur, a promoter CA and a promoter PX into an open mill, and thinly passing through a lower sheet, wherein the roller temperature is controlled at 50-60 ℃, so as to obtain the cable and optical cable packaging chloroprene rubber.
Example 3:
the cable and optical cable packaging chloroprene rubber comprises the following raw materials in parts by mass:
plasticating the chloroprene rubber by using an open mill for 3-4 times, plasticating the natural rubber for 10-12 times, controlling the roller temperature at 50-80 ℃ and the Mooney viscosity ML (1+4)100 at 30-50; mixing the plasticated chloroprene rubber, natural rubber and non-plasticated butadiene rubber by an internal mixer for 1-2 minutes, controlling the temperature of an internal mixing chamber to be 60 +/-3 ℃, adding an anti-aging agent 4020, an anti-aging agent RD, carbon black, white carbon black, kaolin, hollow glass beads, paraffin oil, stearic acid and a coupling agent silicon-69, mixing for 2-3 minutes, and controlling the temperature of the internal mixing chamber to be 80 +/-3 ℃; adding lead oxide serving as a vulcanizing agent, zinc oxide, an accelerant CA, an accelerant TMTD, an accelerant TMTM and an accelerant DM into an open mill, thinly passing through a lower sheet, and controlling the roll temperature to be 50-60 ℃ to obtain the cable and optical cable packaging chloroprene rubber.
Comparative example 1:
the cable and optical cable packaging chloroprene rubber comprises the following raw materials in parts by mass:
plasticating the chloroprene rubber by using an open mill for 3-4 times, controlling the roll temperature at 50-80 ℃ and the Mooney viscosity ML (1+4)100 at 30-50; putting plasticated chloroprene rubber into an internal mixer, adding an anti-aging agent 4020, an anti-aging agent RD, reinforcing fillers of carbon black, kaolin, a softener of paraffin oil, stearic acid and a coupling agent of silicon-69, mixing for 2-3 minutes, and controlling the temperature of an internal mixing chamber to be 95 +/-5 ℃; adding magnesium oxide serving as a vulcanizing agent, zinc oxide, a promoter TMTM and a promoter DM into an open mill, adjusting the roll distance to 4-5mm, uniformly mixing, feeding, and controlling the roll temperature to be 50-60 ℃ to obtain the cable and optical cable packaging chloroprene rubber.
TABLE 1 Properties of cable and optical cable encapsulated chloroprene rubber prepared according to the invention
The processing procedures of the examples and the comparative examples show that the internal mixer has less heat generation in the mixing process, and the open mill vulcanizing agent adding process is thinner, and the test data in the table 1 show that the vulcanizing characteristics, the density, the water resistance, the electric insulation performance, the tensile strength and the tear strength of the internal mixer are better than those of the comparative examples.
Finally, it should be noted that: the above embodiments are only used to illustrate the present invention and do not limit the technical solutions described in the present invention; thus, although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the appended claims.
Claims (10)
1. The cable and optical cable packaging chloroprene rubber is characterized by comprising the following components: the components are as follows in parts by weight:
2. the cable, cable or cable encapsulating neoprene according to claim 1, wherein said neoprene is non-sulfur modified neoprene.
3. The cable, cable-encapsulating chloroprene rubber according to claim 1, wherein the protective agent is one or more of antioxidant A, antioxidant 4010NA, antioxidant 4020 and antioxidant RD.
4. The cable, cable encapsulated neoprene according to claim 1, wherein said vulcanizing agent is at least one of lead oxide, zinc oxide, and sulfur.
5. The cable, cable encapsulating neoprene according to claim 1, wherein said promoter is one or more of promoter CA, promoter TMTD, promoter TMTM, promoter DM, and promoter PX.
6. The cable and optical cable packaging chloroprene rubber according to claim 4, wherein the mass parts of lead oxide are 15-20 parts, the mass parts of zinc oxide are 3-5 parts, and the mass parts of sulfur are 0-1 part.
7. The cable and optical cable packaging chloroprene rubber according to claim 5, wherein the mass fraction of the accelerator CA is 2-4 parts, and the mass fractions of the accelerators TMTD, TMTM, DM and PX are 0-1 part respectively.
8. The cable and optical cable sealing chloroprene rubber according to claims 6 and 7, wherein the sum of the mass parts of the sulfur, the accelerator TMTD and the accelerator TMTM is 1-2 parts.
9. A method for preparing the cable, optical cable encapsulated chloroprene rubber according to claim 1, which comprises the following steps:
(1) plasticating: plasticating chloroprene rubber to be thin and smoothing, plasticating natural rubber to be thin and smoothing;
(2) mixing: mixing the plasticated chloroprene rubber, natural rubber and un-plasticated butadiene rubber, adding a protective agent, hollow glass beads, white carbon black, kaolin, carbon black, paraffin oil, stearic acid and a silicon-69 coupling agent, and mixing;
(3) open mixing: adding a vulcanizing agent and an accelerant, and thinly passing through the lower sheet to obtain the cable and optical cable packaging chloroprene rubber.
10. The preparation method of the cable and optical cable encapsulated chloroprene rubber according to claim 9, wherein the plasticated chloroprene rubber is passed through for 3-4 times, the plasticated natural rubber is passed through for 10-12 times, the roll temperature is controlled to be 50-80 ℃, and the mooney viscosity ML (1+4)100 is controlled to be 30-50; the mixing and rubber combining process is carried out for 1-2 minutes, and the temperature of an internal mixing chamber is controlled to be 60 +/-3 ℃; adding a protective agent, hollow glass beads, white carbon black, kaolin, carbon black, paraffin oil, stearic acid and a silicon-69 coupling agent, mixing for 2-3 minutes, and controlling the temperature of a mixing chamber to be 80 +/-3 ℃; and the roll temperature of the open mill is controlled to be 50-60 ℃.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114249933B (en) * | 2020-09-21 | 2023-10-27 | 天津市橡胶工业研究所有限公司 | Cable and optical cable packaging chloroprene rubber and preparation method thereof |
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| CN103497383A (en) * | 2013-10-25 | 2014-01-08 | 上海驰程化工工贸有限公司 | High-strength, tear-resisting and antiflaming sheath rubber for cable and preparation method thereof |
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| EP2736049A1 (en) * | 2012-11-23 | 2014-05-28 | Nexans | Storage-stable crosslinkable polymer mixture based on chlorinated polymer |
| CN104194106A (en) * | 2014-08-26 | 2014-12-10 | 安徽蓝德集团股份有限公司 | Rubber material for wind power generation cable sheath |
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| CN114249933B (en) * | 2020-09-21 | 2023-10-27 | 天津市橡胶工业研究所有限公司 | Cable and optical cable packaging chloroprene rubber and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114249933B (en) * | 2020-09-21 | 2023-10-27 | 天津市橡胶工业研究所有限公司 | Cable and optical cable packaging chloroprene rubber and preparation method thereof |
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