CN114249933B - 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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- CN114249933B CN114249933B CN202010998277.3A CN202010998277A CN114249933B CN 114249933 B CN114249933 B CN 114249933B CN 202010998277 A CN202010998277 A CN 202010998277A CN 114249933 B CN114249933 B CN 114249933B
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- 229920001084 poly(chloroprene) Polymers 0.000 title claims abstract description 54
- 230000003287 optical effect Effects 0.000 title claims abstract description 24
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 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
- 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
- 239000011324 bead Substances 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
- 238000002156 mixing Methods 0.000 claims description 27
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 18
- 230000001276 controlling effect Effects 0.000 claims description 16
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 11
- 229910052717 sulfur Inorganic materials 0.000 claims description 11
- 239000011593 sulfur Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 239000011787 zinc oxide Substances 0.000 claims description 9
- 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 6
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000003963 antioxidant agent Substances 0.000 claims 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 229920001971 elastomer Polymers 0.000 abstract description 8
- 239000005060 rubber Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000013329 compounding Methods 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000003712 anti-aging effect Effects 0.000 description 12
- 238000010292 electrical insulation Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000020169 heat generation Effects 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 238000004513 sizing Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 230000001681 protective effect Effects 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
- 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
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002955 isolation 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
- 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
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- 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 sealing chloroprene rubber is prepared with chloroprene rubber 70-75 weight portions, natural rubber 5-10 weight portions, butadiene rubber 15-20 weight portions, hollow glass bead 30-60 weight portions, white carbon black 10-15 weight portions, kaolin 0-40 weight portions, carbon black 0-5 weight portions, paraffin oil 2-10 weight portions, protecting agent 2-5 weight portions, stearic acid 0.5-1 weight portions, vulcanizing agent 18-26 weight portions, promoter 2-8 weight portions, and silicon-69 coupling agent 2-4 weight portions, and through plasticating, compounding, feeding and forming sheet. The invention uses three rubbers simultaneously, overcomes the technical problems of pure chloroprene rubber, has good bonding effect of a packaging interface, excellent processing performance, simple preparation process, good manufacturability, low cost, energy conservation and environmental protection, and can be used in water or under the sun.
Description
Technical Field
The invention belongs to the field of rubber, and relates to a 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 sealing sheath, and the cable mainly comprises an optical fiber, a plastic protective sleeve and an outer sheath. The effect of cable, outer sheath of optical cable avoids the internal component to receive the interference of external impurity, effectual with internal component and external isolation, but need encapsulate alone in joint or corner, and the encapsulation material not only requires good electrical insulation performance, and mechanical strength is good, has higher requirement to service environment, encapsulation interface bonding effect and encapsulation process temperature moreover, and service environment's change is a challenge to outer protective sheath and packaging material. Among the materials, rubber can meet the above requirements, but a single rubber formula is difficult to meet all requirements, and the use environment is limited.
At present, most of cables and optical cables are packaged by pure chloroprene rubber filled with a large amount of filler, the chloroprene rubber is polar, the electrical insulation performance is poor, the density of the filled large amount of filler is high, the water resistance is poor, the electrical insulation performance in water is greatly reduced, and meanwhile, the chloroprene rubber has the problems of quick heat generation, multiple heat generation, easy scorching, roller sticking and the like. The foreign Japanese electric chemistry develops a plurality of new pure chloroprene rubber varieties through advanced synthesis technology, can meet partial application, but has high price, and the purchased 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, rapid heat generation, more heat generation, easy scorching and roller sticking of the chloroprene rubber packaging material in the prior art, and provides a cable and optical cable packaging chloroprene rubber and a preparation method thereof.
The invention provides a cable and optical cable packaging chloroprene rubber, which is characterized by comprising the following components: the components are as follows in parts by mass:
the neoprene is non-sulfur regulated neoprene.
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.
15-20 parts of lead oxide, 3-5 parts of zinc oxide and 0-1 part of sulfur.
2-4 parts by weight of accelerator CA and 0-1 part by weight of accelerator TMTD, TMTM, DM, PX parts by weight.
The sum of the mass parts of the sulfur, the accelerator TMTD and the accelerator TMTM is 1-2.
The preparation method of the cable and optical cable packaging chloroprene rubber is characterized by comprising the following steps of:
(1) Plasticating: plasticating chloroprene rubber, thin pass, plasticating natural rubber and thin pass;
(2) Mixing: mixing the plasticated chloroprene rubber, natural rubber and non-plasticated butadiene rubber with 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 mill: adding vulcanizing agent and accelerator, and thin-passing the sheet to obtain the cable and optical cable packaging chloroprene rubber.
The rubber is plasticated with neoprene, natural rubber is plasticated with 3-4 times of thin pass, 10-12 times of thin pass, the roller temperature is controlled at 50-80 ℃, and the Mooney viscosity ML (1+4) 100 is 30-50; the mixing process is carried out for 1-2 minutes, and the internal mixing temperature is controlled at 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 the banburying room to be 80+/-3 ℃; the roller 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 non-sulfur-regulated chloroprene rubber to be used together with 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 a packaging interface and the like of the chloroprene rubber, also has good processing property of the natural rubber and the butadiene rubber, excellent electrical insulation property, and the three rubbers are used together to make up for the advantages of overcoming the technical problems of poor electrical insulation property, rapid heat generation, more heat generation, easy scorching, roller sticking and the like in the processing process of adopting pure chloroprene rubber.
2. The invention adopts white carbon black as a reinforcing agent, and combines the physical and mechanical properties and the electrical insulation properties of the sizing material; the hollow glass beads are used as the filler, so that the density of the sizing material can be effectively reduced.
3. The invention adopts lead oxide and zinc oxide as vulcanizing agents, is difficult to dissolve in water and does not absorb moisture, and simultaneously, the water absorption of the butadiene rubber is low, and the obtained sizing material has good water resistance, can be used in water, can also be used under the intense sun, adopts CA (chemical name is diphenyl thiourea) as an accelerator, can effectively reduce the temperature of the packaging process, and is energy-saving and environment-friendly.
4. The preparation process of the sizing material is simple, the manufacturability is good, the cost is low, the energy is saved, the environment is protected, and the application range is wide.
5. The neoprene prepared by the invention has high market application value.
Drawings
FIG. 1 is a graph of the rheometer of the invention at 120℃for 60 minutes for a mix of 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 chloroprene rubber by an open mill for 3-4 times, plasticating 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 for 1-2 minutes by an internal mixer, controlling the internal mixing temperature 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 internal mixing temperature to be 80+/-3 ℃; adding vulcanizing agents such as lead oxide, zinc oxide, sulfur, an accelerant CA and an accelerant TMTD into an open mill, and controlling the roller temperature at 50-60 ℃ by thin passing and sheet feeding 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 chloroprene rubber by an open mill for 3-4 times, plasticating 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 for 1-2 minutes by an internal mixer, controlling the internal mixing room temperature 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 internal mixing room temperature to be 80+/-3 ℃; adding vulcanizing agents such as lead oxide, zinc oxide, sulfur, an accelerant CA and an accelerant PX into an open mill, and carrying out thin-pass sheet feeding with the roller temperature controlled at 50-60 ℃ 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 chloroprene rubber by an open mill for 3-4 times, plasticating 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 for 1-2 minutes by an internal mixer, controlling the internal mixing temperature 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 internal mixing temperature to be 80+/-3 ℃; adding vulcanizing agents such as lead oxide, zinc oxide, an accelerant CA, an accelerant TMTD, an accelerant TMTM and an accelerant DM into an open mill, and carrying out thin-pass sheet feeding with the roller temperature controlled at 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 neoprene by an open mill, passing through the mill for 3 to 4 times, controlling the roller temperature to be 50 to 80 ℃ and controlling the Mooney viscosity ML (1+4) to be 30 to 50; adding plasticated chloroprene rubber into an internal mixer, adding an anti-aging agent 4020 and an anti-aging agent RD, reinforcing filler carbon black, kaolin, softener paraffin oil, stearic acid and coupling agent silicon-69, mixing for 2-3 minutes, and controlling the internal mixer temperature to be 95+/-5 ℃; adding vulcanizing agents such as magnesium oxide, zinc oxide, a promoter TMTM and a promoter DM into an open mill, regulating the roll spacing to 4-5mm, uniformly mixing, discharging, and controlling the roll temperature at 50-60 ℃ to obtain the cable and optical cable packaging chloroprene rubber.
TABLE 1 various properties of the cable and optical cable encapsulated neoprene prepared by the present invention
The processing procedures of the examples and the comparative examples show that the mixing process of the internal mixer of the invention generates less heat, the vulcanizing agent adding process of the open mill is thinner, and the test data of the table 1 show that the vulcanizing property, the density, the water resistance, the electrical insulation property, the tensile strength and the tearing strength of the internal mixer are better than those of the comparative examples.
Finally, it should be noted that: the above embodiments are only for illustrating the present invention and not for limiting the technical solution described in the present invention; thus, although the present invention has been described in detail with reference to the above embodiments, it will be understood by those skilled in the art that the present invention may be modified or equivalent; all technical solutions and modifications thereof that do not depart from the spirit and scope of the invention are intended to be covered by the scope of the appended claims.
Claims (7)
1. The cable and optical cable packaging chloroprene rubber is characterized by comprising the following components: the components are as follows in parts by mass:
the chloroprene rubber is non-sulfur-regulated chloroprene rubber, the vulcanizing agent is two or more of lead oxide, zinc oxide and sulfur, the mass portion of the lead oxide is 15-20, the mass portion of the zinc oxide is 3-5, and the mass portion of the sulfur is 0-1.
2. The encapsulated chloroprene rubber for cables and cables according to claim 1, wherein the protective agent is one or more of an antioxidant agent a, an antioxidant agent 4010NA, an antioxidant agent 4020 and an antioxidant agent RD.
3. The cable, cable package neoprene of claim 1, wherein the promoter is one or more of promoter CA, promoter TMTD, promoter TMTM, promoter DM, promoter PX.
4. The chloroprene rubber for cable and optical cable packaging according to claim 3, wherein the accelerator CA is 2-4 parts by mass and the accelerator TMTD, TMTM, DM, PX is 0-1 part by mass respectively.
5. The cable, cable package neoprene according to claim 1 or 3, wherein the sum of the parts by mass of sulfur, accelerator TMTD and accelerator TMTM is 1-2 parts.
6. The method for preparing the cable and optical cable packaging neoprene according to claim 1, comprising the following steps:
(1) Plasticating: plasticating chloroprene rubber, thin pass, plasticating natural rubber and thin pass;
(2) Mixing: mixing the plasticated chloroprene rubber, natural rubber and non-plasticated butadiene rubber with 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 mill: adding vulcanizing agent and accelerator, and thin-passing the sheet to obtain the cable and optical cable packaging chloroprene rubber.
7. The method for preparing the cable and optical cable packaging chloroprene rubber according to claim 6, wherein the masticated chloroprene rubber is thinly passed for 3-4 times and the masticated natural rubber is thinly passed for 10-12 times, the roller temperature is controlled to be 50-80 ℃, and the Mooney viscosity ML (1+4) 100 ℃ is controlled to be 30-50; the mixing process is carried out for 1-2 minutes, and the internal mixing temperature is controlled at 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 the banburying room to be 80+/-3 ℃; the roller temperature of the open mill is controlled to be 50-60 ℃.
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| CN202010998277.3A CN114249933B (en) | 2020-09-21 | 2020-09-21 | Cable and optical cable packaging chloroprene rubber and preparation method thereof |
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| CN202010998277.3A CN114249933B (en) | 2020-09-21 | 2020-09-21 | 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 |
| 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 |
| CN110655700A (en) * | 2019-09-29 | 2020-01-07 | 江苏中煤电缆有限公司 | Low-voltage vulcanized chloroprene rubber for optical fiber composite cable and preparation method thereof |
| CN114249933A (en) * | 2020-09-21 | 2022-03-29 | 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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