CN107778592A - Cryogenic vulcanization neoprene cable protective cover material and preparation method thereof, cable cover(ing) - Google Patents
Cryogenic vulcanization neoprene cable protective cover material and preparation method thereof, cable cover(ing) Download PDFInfo
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- CN107778592A CN107778592A CN201610748108.8A CN201610748108A CN107778592A CN 107778592 A CN107778592 A CN 107778592A CN 201610748108 A CN201610748108 A CN 201610748108A CN 107778592 A CN107778592 A CN 107778592A
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- neoprene
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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
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
Abstract
The invention discloses a kind of cryogenic vulcanization neoprene cable protective cover material and preparation method thereof, cable cover(ing), the composition of raw materials of the neoprene cable protective cover material includes following components by weight percent：100 parts of neoprene, wherein, neoprene is MERCAPTAN MODIFIED CHLOROPRENE RUBBERS；0.01~6 part of vulcanizing system；20~90 parts of reinforcement system；1~10 part of protection system；5~15 parts of Plasticising system；0.5~3 part of light stabilizer；20~40 parts of fire retardant；1~5 part of softening agent；1~3 part of dispersant；0.2~4 part of accelerator；0.5~3 part of coupling agent；0.01~0.1 part of colouring agent.Compared with sulfur-type neoprene, MERCAPTAN MODIFIED CHLOROPRENE RUBBERS causes the neoprene cable protective cover material in the present invention to have obvious production and processing security, be not easy prevulcanization, be not easy to occur vulcanizing during storage.In addition, also there is excellent mechanical strength performance.
Description
Technical field
The invention belongs to field of cable technology, and in particular to a kind of cryogenic vulcanization neoprene cable protective cover material and its preparation
Method, cable cover(ing).
Background technology
It is that rubber manufacture is corresponding that cable jacket material is prepared in the prior art typically using thermoplastic elastomer (TPE) haloflex
Product, relatively low standard requirement can be met, it is common in the cable product of low side.And in high-end cable product or
Under harsh use environment requirement, corresponding product then typically is manufactured for rubber using neoprene, higher mark can be met
Alignment request.But be that during rubber manufactures corresponding product, can also run into some crucial technical problems in neoprene,
As finished product mechanical strength is relatively low, tearing toughness is less than normal, rough surface is rough, rubber refining glue process incipient scorch, extruded
Journey incipient scorch, there is the abnormal quality instability problem such as bulge, cut in intermittence during batch production.
Under the background of economic restructuring transition and upgrade instantly, to ecological environmental protection, low-energy-consumption high-efficiency and market
Subdivision is more and more specific.With changes in market demand, cable is also more and more specialized and special typeization, must adapt to real-time on-site
Actual geographic environment, these all promote the leather of the development of cable material formula technique and CABLE MATERIALS manufacturing process technology
Newly.
The content of the invention
The technical problems to be solved by the invention are for above shortcomings in the prior art, there is provided a kind of Sulfur-Vapor of Lower Temperature
Change neoprene cable protective cover material and preparation method thereof, cable cover(ing), solve neoprene and manufacture corresponding product for rubber
During run into some crucial technical problems, as finished product mechanical strength is relatively low, tearing toughness is less than normal, rough surface not only
Sliding, rubber refining glue process incipient scorch, extrusion incipient scorch, there are the abnormal qualities such as bulge, cut in intermittence during batch production
The shortcomings that instability problem problem.
Technical scheme is to provide a kind of cryogenic vulcanization neoprene cable sheath used by solving present invention problem
Material, its composition of raw materials include following components by weight percent：
Neoprene：100 parts, wherein, the neoprene is MERCAPTAN MODIFIED CHLOROPRENE RUBBERS；
Vulcanizing system：0.01~6 part；
Reinforcement system：20~90 parts；
Protection system：1~10 part；
Plasticising system：5~15 parts；
Light stabilizer：0.5~3 part；
Fire retardant：20~40 parts；
Softening agent：1~5 part；
Dispersant：1~3 part；
Accelerator：0.2~4 part；
Coupling agent：0.5~3 part；
Colouring agent：0.01~0.1 part.
Preferably, the neoprene is the middle and low grade Mooney viscosity ML1+435~45.Neoprene is adjusted for mercaptan
Type neoprene, compared with sulfur-type neoprene, MERCAPTAN MODIFIED CHLOROPRENE RUBBERS causes the neoprene electricity in the present invention for it
Cable protective cover material has obvious production and processing security, is not easy prevulcanization, is not easy to occur vulcanizing during storage.This
Outside, also there is excellent mechanical strength performance.
Preferably, the vulcanizing system includes magnesia, zinc oxide, 2- mercaptos imidazoline, N, N '-a penylene span
The one or more come in acid imide, cumyl peroxide；Preferably, the vulcanizing system include magnesia, zinc oxide,
2- mercaptos imidazoline, N, N '-penylene BMI and cumyl peroxide, its weight composition portion rate for (2~
6)：(3~10)：(0.1~2)：(0.01~2)：(0.01~2).
Preferably, the reinforcement system is forged including gas-phase silica, precipitated silica, nano modification kaolin, nanometer
Burn two or more in clay；Preferably, the reinforcement system includes gas-phase silica, precipitated silica, nanometer
Modified kaolin and nanometer calcinated argil, its weight composition portion rate is (5~20)：(15~30)：(20~50)：(20~
50)。
Preferably, the protection system includes antioxidant MB, anti-aging agent RD, antioxidant HS-911, age resistor ODA, anti-
Two or more in old agent 4010；Preferably, the protection system includes antioxidant MB, anti-aging agent RD, age resistor
HS-911, age resistor ODA and antioxidant 4010, its weight composition portion rate is (0.1~2)：(0.1~4)：(0.2~6)：
(0.2~8)：(0.2~6).Age resistor matches in accordance with the appropriate ratio, certain synergy is formed, to the ageing-resistant of rubber
Performance has obvious protective action.
Preferably, the Plasticising system is included in dioctyl adipate, di-n-octyl sebacate, three (2- carboxyethyls) phosphines
It is one or more of；Preferably, the Plasticising system includes dioctyl adipate, di-n-octyl sebacate and three (2- carboxyethyls)
Phosphine, its weight composition portion rate is (0.1~2)：(0.1~4)：(0.2~6).Plasticizer matches in accordance with the appropriate ratio, is formed
Certain synergy, the resistance to low temperature and processing characteristics of rubber are improved significantly.
Preferably, the light stabilizer includes 2- (2-2H- BTAs) -6- (1- methyl isophthalic acids-phenyl) ethyl -4-
(1,1,3,3- tetramethyl butyls) phenol, 2-hydroxy-4-n-octoxybenzophenone and 2- (2H- BTA -2- bases) -6- (ten
Dialkyl group) one or more in -4- methylphenols；Preferably, the light stabilizer includes the 2- (nitrogen of 2-2H- benzos three
Azoles) -6- (1- methyl isophthalic acids-phenyl) ethyl -4- (1,1,3,3- tetramethyl butyls) phenol, 2-hydroxy-4-n-octoxybenzophenone
With 2- (2H- BTA -2- bases) -6- (dodecyl) -4- methylphenols, its weight composition portion rate is (0.01~2.5)：
(0.01~2)：(0.01~3).
Preferably, the fire retardant includes magnesium hydroxide, aluminium hydroxide, nitrogen phosphorus polymer, Firebrake ZB and three oxidations two
One or more in antimony；Preferably, the fire retardant include magnesium hydroxide, aluminium hydroxide, nitrogen phosphorus polymer, Firebrake ZB and
Antimony oxide, its weight composition portion rate is (0.01~40)：(0.01~50)：(0.01~30)：(0.01~20)：
(0.01~15).Neoprene cable protective cover material in the present invention takes into account ecological environmental protection, has abandoned using pollution environment
Brominated flame retardant.
Preferably, the softening agent includes semi-refined paraffin wax and/or micro-crystallization paraffin；Preferably, the softening agent
Including semi-refined paraffin wax and micro-crystallization paraffin, its weight composition portion rate is (0.01~8)：(0.01~5).
Preferably, the dispersant includes stearic acid and/or soap base salt；Preferably, the dispersant includes tristearin
Acid and soap base salt, its weight composition portion rate is (0.5~2)：(0.5~4).
Preferably, the accelerator includes N- cyclohexyls -2-[4-morpholinodithio sulfenamide, 2, bis- thio dibenzo of 2'-
Thiazole, N, the one or more in the double thiamides of N- tetramethyls two sulphur；Preferably, the accelerator includes N- cyclohexyls -2-
Benzothiazole sulfenamide, 2,2'- dithio-bis-benzothiazoles and the double thiamides of the sulphur of N, N- tetramethyl two, its weight composition number
Than for (0.01~4)：(0.01~5)：(0.01~3).
Preferably, the coupling agent includes double-(γ-triethoxy silicon substrate propyl group) tetrasulfide, (the b- first of vinyl three
Epoxide ethyoxyl) silane, the one or more in 3- aminopropyl triethoxysilanes；Preferably, the coupling agent include it is double-
(γ-triethoxy silicon substrate propyl group) tetrasulfide, (b- methoxy ethoxies) silane of vinyl three and 3- aminopropyl-triethoxies
Silane, its weight composition portion rate is (0.01~2)：(0.01~3)：(0.01~3).
Preferably, it is red and/or macromolecular is yellow to include macromolecular for the colouring agent；Preferably, the colouring agent includes
Macromolecular is red and macromolecular is yellow, and its weight composition portion rate is (0.01~0.5)：1.
The present invention also provides a kind of preparation method of above-mentioned cryogenic vulcanization neoprene cable protective cover material, including with
Lower step：
1) according to above-mentioned formula rate, by banburying 3 in the load weighted raw material input banbury in addition to vulcanizing system
~8min, it is 75~95 DEG C to control glue furnacing temperature；
2) sizing material after banburying and corresponding above-mentioned vulcanizing system are added into mill mixing, discharged after mixing, discharged
Sizing material elder generation bottom sheet cool down 2~4min, return mill and turn refining automatically and smash glue；
3) filtering is extruded, filtration temperature is controlled at 45~65 DEG C, adds three layer filtration net, the sizing material after being filtered；
4) enter rubber extruding machine and squeeze rubber and extrude, rubber extruding machine temperature control is at 60~90 DEG C, the head and mold temperature of rubber extruding machine
Control is at 95~105 DEG C；
5) vulcanized into curing line pipeline, the continuous steam Stress control in curing line pipeline is 0.48
~0.7MPa, temperature are 145~155 DEG C, obtain neoprene cable protective cover material.
This formula applies pipeline low temperature continuous steam sulfurization technology, complete with molding tank type vulcanizing technology of the prior art
Difference, the present invention in sulfurization technology in curing line pipeline in temperature be 145~155 DEG C, height of the prior art
The temperature in curing line pipeline in warm sulfurization technology is 170~190 DEG C, and the cryogenic vulcanization technology in the present invention is than existing
The more energy efficient low consumption of high temperature vulcanized technology in technology, continuous vulcanization technology are higher than tank type vulcanizing technical efficiency.
The present invention can make rubber sulphur in the preparation method of neoprene cable protective cover material in relatively low temperature
Change, the neoprene cable protective cover material being prepared simultaneously reaches excellent combination property.
The present invention also provides a kind of cable cover(ing), and it is made up of above-mentioned cryogenic vulcanization neoprene cable protective cover material.By
Cable cover(ing) made of neoprene cable protective cover material in the present invention, there is the irradiation of fire-retardant, UV resistant, low temperature resistant, resistance to tear
The performance such as split.
Neoprene cable protective cover material in the present invention be monomer in building-up process, add to adjust its molecular weight
The mercaptan entered makees molecular regulation agent, on mechanical property and production and processing performance have influence, its compared with sulfur-type neoprene,
MERCAPTAN MODIFIED CHLOROPRENE RUBBERS causes the neoprene cable protective cover material in the present invention to have obvious production and processing security, no
Easy prevulcanization, it is not easy to occur vulcanizing during storage.In addition, also there is excellent mechanical strength performance.
Specifically, the S in sulfur-type neoprene refers to "-S-" functional group；In MERCAPTAN MODIFIED CHLOROPRENE RUBBERS
Mercaptan refers to "-S-OH " functional groups.
Compared with prior art, made via the high quality cryogenic vulcanization neoprene cable protective cover material in the present invention and production
The cable finished product reliable in mechanical performance of Preparation Method production, processing characteristics is stable, and the geographical environment that can adapt to complexity uses, anti-tear
Resistance to spalling is high, surface is smooth, rubber refining glue process almost without incipient scorch, extrusion almost without incipient scorch, during batch production without
Intermittence bulge, cut, it is widely used in mesohigh frequency-changing cable, the drum cable that back and forth circumnutates, colliery trailing cable, harbour bank
The product such as bridge crane cable and shield machine medium and high voltage cable, its market prospects are boundless.
The present invention provides a kind of high quality cryogenic vulcanization neoprene cable protective cover material and preparation method, relative to existing
There is technology, improve the mechanical performance of cable jacket material, improve the quality stability and processing characteristics of cable jacket material, simultaneously
It is more efficient and energy consumption is low using low temperature continuous steam sulfurization technology manufacture cable product.
The electricity produced via the high quality cryogenic vulcanization neoprene cable protective cover material in the present invention and preparation method
Cable finished product, testing inspection is carried out according to regulation in GB/T 2951.1-2008, its result has been obviously improved tensile strength, has surmounted state
Outer standard (NEMA Standard Publication No.WC 58-2008/ICEA Standard Publication
No.S-75-381-2008) index 20~32%, domestic standard (MT818.1-2009) index 98% is surmounted；Strengthen tear-proof
Intensity, surmount foreign standard index (NEMA Standard Publication No.WC 58-2008/ICEA Standard
Publication No.S-75-381-2008) 44%, surmount domestic standard (MT818.1-2009) index 102%；Improve
Refining glue production and processing quality stability, process capability Cpk (Cpk is Process capability index, abbreviation,
Also process capability index, technological ability index, process capability index are translated into.) level brought up to 1.36.
Brief description of the drawings
Fig. 1 is the ratio mixing of the composition of raw materials of the cryogenic vulcanization neoprene cable protective cover material in the embodiment of the present invention 1
Raw material, it is kneaded the Mooney viscosity normal distribution of neoprene.
Embodiment
To make those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings and specific embodiment party
Formula is described in further detail to the present invention.
Embodiment 1
The present embodiment provides a kind of cryogenic vulcanization neoprene cable protective cover material, and its composition of raw materials includes following weight group
Point：
Neoprene：100 parts, wherein, the neoprene is MERCAPTAN MODIFIED CHLOROPRENE RUBBERS；
Vulcanizing system：0.01 part；
Reinforcement system：30 parts；
Protection system：3 parts；
Plasticising system：12 parts；
Light stabilizer：1 part；
Fire retardant：20~40 parts；
Softening agent：1~5 part；
Dispersant：1~3 part；
Accelerator：0.2~4 part；
Coupling agent：0.5~3 part；
Colouring agent：0.01~0.1 part.
The neoprene is the middle and low grade Mooney viscosity ML1+435。
The vulcanizing system includes magnesia.
The reinforcement system includes precipitated silica and nano modification kaolin, and its weight composition portion rate is 16:23.
The protection system includes antioxidant 4010 and anti-aging agent RD, and its weight composition portion rate is 5:1.
The Plasticising system includes di-n-octyl sebacate.
The light stabilizer includes 2- (2-2H- BTAs) -6- (1- methyl isophthalic acids-phenyl) ethyl -4- (1,1,3,3-
Tetramethyl butyl) phenol.
The fire retardant includes Firebrake ZB.
The softening agent includes micro-crystallization paraffin.
The dispersant includes stearic acid.
The accelerator includes 2,2'- dithio-bis-benzothiazoles.
The coupling agent includes vinyl three (b- methoxy ethoxies) silane.
It is red that the colouring agent includes macromolecular.
The present embodiment also provides a kind of preparation method of above-mentioned neoprene cable protective cover material, including following step
Suddenly：
1) according to above-mentioned formula rate, by banburying in the load weighted raw material input banbury in addition to vulcanizing system
3min, it is 80 DEG C to control glue furnacing temperature；
2) sizing material after banburying and corresponding above-mentioned vulcanizing system are added into mill mixing, discharged after mixing, discharged
Sizing material elder generation bottom sheet cooling 3min, return mill and turn refining automatically and smash glue；
3) filtering is extruded, filtration temperature is controlled at 50 DEG C, adds three layer filtration net, the sizing material after being filtered；
4) enter rubber extruding machine and squeeze rubber extrusion, at 60 DEG C, the head and mold temperature of rubber extruding machine control rubber extruding machine temperature control
At 105 DEG C；
5) vulcanized into curing line pipeline, the continuous steam Stress control in curing line pipeline exists
0.7MPa, temperature are 145 DEG C, obtain neoprene cable protective cover material.
According to the ratio mixed material of the composition of raw materials of the neoprene cable protective cover material in the present embodiment, neoprene rubber is kneaded
Glue, cryogenic vulcanization neoprene cable protective cover material is obtained, the Mooney viscosity normal distribution as represented mixing neoprene in Fig. 1
Figure, the numerical value of its Mooney viscosity are to be measured by detection device after random sampling.From in figure, production process Capability index
Cpk=1.60, under the value level, production process working ability is good, stable and reliable for performance, and the probability for defective products occur is
1.59ppm, that is, produce the finished product of 100 myriametres length, and the length that exceptional quality problem occurs in theory is 1.59 meters.
Neoprene cable protective cover material in the present embodiment be monomer in building-up process, in order to adjust its molecular weight and
The mercaptan of addition makees molecular regulation agent, and compared with the neoprene of sulfur-type, MERCAPTAN MODIFIED CHLOROPRENE RUBBERS causes the present invention for it
In neoprene cable protective cover material have obvious production and processing security, be not easy prevulcanization, be not easy to deposit
During vulcanize.In addition, also there is excellent mechanical strength performance.
Produced via the high quality cryogenic vulcanization neoprene cable protective cover material in the present embodiment and preparation method
Cable finished product, improves tensile strength, surmounts foreign standard (NEMA Standard Publication No.WC 58-2008/
ICEA Standard Publication No.S-75-381-2008) index 20~32%, surmount domestic standard (MT818.1-
2009) index 98%；Tearing toughness is strengthened, surmounts foreign standard index (NEMA Standard Publication
No.WC 58-2008/ICEA Standard Publication No.S-75-381-2008) 44%, surmount domestic standard
(MT818.1-2009) index 102%；The quality stability of refining glue production and processing is improved, (Cpk is process capability Cpk
Process capability index, abbreviation, be also translated into process capability index, technological ability index, process capability and refer to
Number.) level brought up to 1.36.
Embodiment 2
The present embodiment provides a kind of cryogenic vulcanization neoprene cable protective cover material, and its composition of raw materials includes following weight group
Point：
Neoprene：100 parts, wherein, the neoprene is MERCAPTAN MODIFIED CHLOROPRENE RUBBERS；
Vulcanizing system：6 parts；
Reinforcement system：60 parts；
Protection system：8 parts；
Plasticising system：5 parts；
Light stabilizer：0.5 part；
Fire retardant：30 parts；
Softening agent：2 parts；
Dispersant：2.5 part；
Accelerator：1 part；
Coupling agent：0.5 part；
Colouring agent：0.08 part.
The neoprene is the middle and low grade Mooney viscosity ML1+445。
The vulcanizing system include magnesia, zinc oxide, 2- mercaptos imidazoline, N, N '-a penylene BMI,
Cumyl peroxide, its weight composition portion rate is 4：6：1：1：1.
The reinforcement system includes gas-phase silica, precipitated silica；Its weight composition portion rate is 5：30.
The protection system includes anti-aging agent RD, antioxidant HS-911；Its weight composition portion rate is 4：0.2.
The Plasticising system includes dioctyl adipate, di-n-octyl sebacate, three (2- carboxyethyls) phosphines；Its weight forms part
Number is than being 1：2：3.
The light stabilizer includes 2- (2H- BTA -2- bases) -6- (dodecyl) -4- methylphenols.
The fire retardant includes magnesium hydroxide, aluminium hydroxide, nitrogen phosphorus polymer, Firebrake ZB and antimony oxide；Its weight
It is 20 to form portion rate：25：15：10：7.
The softening agent includes semi-refined paraffin wax and micro-crystallization paraffin；Its weight composition portion rate is 4：2.5.
The dispersant includes stearic acid and soap base salt；Its weight composition portion rate is 1：2.
The accelerator includes N- cyclohexyls -2-[4-morpholinodithio sulfenamide.
The coupling agent includes double-(γ-triethoxy silicon substrate propyl group) tetrasulfide, (the b- methoxyl group ethoxies of vinyl three
Base) silane；Its weight composition portion rate is 2：3.
It is red yellow with macromolecular that the colouring agent includes macromolecular.Its weight composition portion rate is 0.25：1.
The present embodiment provides a kind of preparation method of above-mentioned cryogenic vulcanization neoprene cable protective cover material, including following
Step：
1) according to above-mentioned formula rate, by banburying in the load weighted raw material input banbury in addition to vulcanizing system
5min, it is 95 DEG C to control glue furnacing temperature；
2) sizing material after banburying and corresponding above-mentioned vulcanizing system are added into mill mixing, discharged after mixing, discharged
Sizing material elder generation bottom sheet cooling 2min, return mill and turn refining automatically and smash glue；
3) filtering is extruded, filtration temperature is controlled at 45 DEG C, adds three layer filtration net, the sizing material after being filtered；
4) enter rubber extruding machine and squeeze rubber extrusion, at 70 DEG C, the head and mold temperature of rubber extruding machine control rubber extruding machine temperature control
At 100 DEG C；
5) vulcanized into curing line pipeline, the continuous steam Stress control in curing line pipeline exists
0.6MPa, temperature are 155 DEG C, obtain neoprene cable protective cover material.
Produced via the high quality cryogenic vulcanization neoprene cable protective cover material in the present embodiment and preparation method
Cable finished product, improves tensile strength, surmounts foreign standard (NEMA Standard Publication No.WC 58-2008/
ICEA Standard Publication No.S-75-381-2008) index 20~32%, surmount domestic standard (MT818.1-
2009) index 98%；Tearing toughness is strengthened, surmounts foreign standard index (NEMA Standard Publication
No.WC 58-2008/ICEA Standard Publication No.S-75-381-2008) 44%, surmount domestic standard
(MT818.1-2009) index 102%；The quality stability of refining glue production and processing is improved, (Cpk is process capability Cpk
Process capability index, abbreviation, be also translated into process capability index, technological ability index, process capability and refer to
Number.) level brought up to 1.36.
Embodiment 3
The present embodiment provides a kind of cryogenic vulcanization neoprene cable protective cover material, and its composition of raw materials includes following weight group
Point：
Neoprene：100 parts, wherein, the neoprene is MERCAPTAN MODIFIED CHLOROPRENE RUBBERS；
Vulcanizing system：3 parts；
Reinforcement system：20 parts；
Protection system：10 parts；
Plasticising system：8 parts；
Light stabilizer：1.5 part；
Fire retardant：40 parts；
Softening agent：1 part；
Dispersant：1.9 part；
Accelerator：4 parts；
Coupling agent：2.5 part；
Colouring agent：0.1 part.
The neoprene is the middle and low grade Mooney viscosity ML1+440。
The vulcanizing system includes zinc oxide, 2- mercaptos imidazoline, N, N '-a penylene BMI；Its weight
It is 10 to form portion rate：0.1：2.
The reinforcement system includes nano modification kaolin, nanometer calcinated argil；Its weight composition portion rate is 50：20.
The protection system includes antioxidant MB, anti-aging agent RD, antioxidant HS-911；Its weight composition portion rate is 0.1：
4：6.
The Plasticising system includes dioctyl adipate, three (2- carboxyethyls) phosphines；Its weight composition portion rate is 2：3.
The light stabilizer includes 2-hydroxy-4-n-octoxybenzophenone and 2- (2H- BTA -2- bases) -6- (ten
Dialkyl group) -4- methylphenols；Its weight composition portion rate is 1：3.
The fire retardant includes magnesium hydroxide, aluminium hydroxide, Firebrake ZB；Its weight composition portion rate is 10：50：0.01.
The softening agent includes semi-refined paraffin wax and micro-crystallization paraffin；Its weight composition portion rate is 0.01：3.
The dispersant includes stearic acid soap base salt；Its weight composition portion rate is 1.2：4.
The accelerator includes N- cyclohexyls -2-[4-morpholinodithio sulfenamide, 2,2'- dithio-bis-benzothiazoles, N, N-
The double thiamides of the sulphur of tetramethyl two；Its weight composition portion rate is 2：3：1.
The coupling agent includes double-(γ-triethoxy silicon substrate propyl group) tetrasulfide, (the b- methoxyl group ethoxies of vinyl three
Base) silane, 3- aminopropyl triethoxysilanes；Its weight composition portion rate is 1：1.5：1.5.
It is red yellow with macromolecular that the colouring agent includes macromolecular.Its weight composition portion rate is 0.5：1.
The present embodiment provides a kind of above-mentioned cryogenic vulcanization neoprene cable protective cover material and preparation method thereof, including following step
Suddenly：
1) according to above-mentioned formula rate, by banburying in the load weighted raw material input banbury in addition to vulcanizing system
4min, it is 85 DEG C to control glue furnacing temperature；
2) sizing material after banburying and corresponding above-mentioned vulcanizing system are added into mill mixing, discharged after mixing, discharged
Sizing material elder generation bottom sheet cooling 3.5min, return mill and turn refining automatically and smash glue；
3) filtering is extruded, filtration temperature is controlled at 63 DEG C, adds three layer filtration net, the sizing material after being filtered；
4) enter rubber extruding machine and squeeze rubber extrusion, at 80 DEG C, the head and mold temperature of rubber extruding machine control rubber extruding machine temperature control
At 102 DEG C；
5) vulcanized into curing line pipeline, the continuous steam Stress control in curing line pipeline exists
0.5MPa, temperature are 150 DEG C, obtain neoprene cable protective cover material.
Embodiment 4
The present embodiment provides a kind of cryogenic vulcanization neoprene cable protective cover material, and its composition of raw materials includes following weight group
Point：
Neoprene：100 parts, wherein, the neoprene is MERCAPTAN MODIFIED CHLOROPRENE RUBBERS；
Vulcanizing system：2 parts；
Reinforcement system：40 parts；
Protection system：5 parts；
Plasticising system：13 parts；
Light stabilizer：2.5 part；
Fire retardant：25 parts；
Softening agent：3 parts；
Dispersant：3 parts；
Accelerator：3 parts；
Coupling agent：1.5 part；
Colouring agent：0.02 part.
The neoprene is the middle and low grade Mooney viscosity ML1+442。
The vulcanizing system includes magnesia, cumyl peroxide；Its weight composition portion rate is 2：1.
The reinforcement system includes gas-phase silica, precipitated silica, nano modification kaolin, nanometer calcinated argil；Its
Weight composition portion rate is 10：25：38：37.
The protection system includes antioxidant MB, anti-aging agent RD, antioxidant HS-911, age resistor ODA, antioxidant 4010；
Its weight composition portion rate is 1：2：3：4：5.
The Plasticising system includes di-n-octyl sebacate, three (2- carboxyethyls) phosphines；Its weight composition portion rate is 1：4.
The light stabilizer includes 2- (2-2H- BTAs) -6- (1- methyl isophthalic acids-phenyl) ethyl -4- (1,1,3,3-
Tetramethyl butyl) phenol, 2-hydroxy-4-n-octoxybenzophenone and 2- (2H- BTA -2- bases) -6- (dodecyl) -4-
Methylphenol；Its weight composition portion rate is 1.5：1：1.5.
The fire retardant includes nitrogen phosphorus polymer and antimony oxide；Its weight composition portion rate is 2：13.
The softening agent includes semi-refined paraffin wax.
The dispersant includes soap base salt.
The accelerator includes 2,2'- dithio-bis-benzothiazoles and the double thiamides of the sulphur of N, N- tetramethyl two；Its weight group
It is 1 into portion rate：1.7.
The coupling agent includes 3- aminopropyl triethoxysilanes.
It is yellow that the colouring agent includes macromolecular.
The present embodiment provides the preparation method of neoprene cable protective cover material, comprises the following steps：
1) according to above-mentioned formula rate, by banburying in the load weighted raw material input banbury in addition to vulcanizing system
7min, it is 93 DEG C to control glue furnacing temperature；
2) sizing material after banburying and corresponding above-mentioned vulcanizing system are added into mill mixing, discharged after mixing, discharged
Sizing material elder generation bottom sheet cooling 2.5min, return mill and turn refining automatically and smash glue；
3) filtering is extruded, filtration temperature is controlled at 47 DEG C, adds three layer filtration net, the sizing material after being filtered；
4) enter rubber extruding machine and squeeze rubber extrusion, at 65 DEG C, the head and mold temperature of rubber extruding machine control rubber extruding machine temperature control
At 97 DEG C；
5) vulcanized into curing line pipeline, the continuous steam Stress control in curing line pipeline exists
0.65MPa, temperature are 150 DEG C, obtain neoprene cable protective cover material.
Embodiment 5
The present embodiment provides a kind of cryogenic vulcanization neoprene cable protective cover material, and its composition of raw materials includes following weight group
Point：
Neoprene：100 parts, wherein, the neoprene is MERCAPTAN MODIFIED CHLOROPRENE RUBBERS；
Vulcanizing system：4 parts；
Reinforcement system：50 parts；
Protection system：4 parts；
Plasticising system：15 parts；
Light stabilizer：3 parts；
Fire retardant：35 parts；
Softening agent：1 part；
Dispersant：1 part；
Accelerator：2 parts；
Coupling agent：1 part；
Colouring agent：0.05 part.
The neoprene is the middle and low grade Mooney viscosity ML1+437。
The vulcanizing system includes zinc oxide, cumyl peroxide；Its weight composition portion rate is 3：2.
The reinforcement system includes gas-phase silica and nanometer calcinated argil, and its weight composition portion rate is 6:49.
The protection system includes age resistor ODA, antioxidant 4010；Its weight composition portion rate is 7：2.
The Plasticising system includes di-n-octyl sebacate and three (2- carboxyethyls) phosphines；Its weight composition portion rate is 2：5.
The light stabilizer includes 2-hydroxy-4-n-octoxybenzophenone.
The fire retardant includes nitrogen phosphorus polymer and antimony oxide；Its weight composition portion rate is 3：14.
The softening agent includes semi-refined paraffin wax and micro-crystallization paraffin；Its weight composition portion rate is 7：1.
The dispersant includes stearic acid and soap base salt；Its weight composition portion rate is 1：0.5.
The accelerator includes 2,2'- dithio-bis-benzothiazoles, N, the double thiamides of the sulphur of N- tetramethyls two；Its weight forms
Portion rate is 1：2.5.
The coupling agent includes vinyl three (b- methoxy ethoxies) silane, 3- aminopropyl triethoxysilanes；Its is heavy
Amount composition portion rate is 1：2.
It is red yellow with macromolecular that the colouring agent includes macromolecular.Its weight composition portion rate is 0.01：0.4.
The present embodiment provides the preparation method of above-mentioned neoprene cable protective cover material, comprises the following steps：
1) according to above-mentioned formula rate, by banburying in the load weighted raw material input banbury in addition to vulcanizing system
6min, it is 90 DEG C to control glue furnacing temperature；
2) sizing material after banburying and corresponding above-mentioned vulcanizing system are added into mill mixing, discharged after mixing, discharged
Sizing material elder generation bottom sheet cooling 3min, return mill and turn refining automatically and smash glue；
3) filtering is extruded, filtration temperature is controlled at 53 DEG C, adds three layer filtration net, the sizing material after being filtered；
4) enter rubber extruding machine and squeeze rubber extrusion, at 75 DEG C, the head and mold temperature of rubber extruding machine control rubber extruding machine temperature control
At 103 DEG C；
5) vulcanized into curing line pipeline, the continuous steam Stress control in curing line pipeline exists
0.55MPa, temperature are 147 DEG C, obtain neoprene cable protective cover material.
Embodiment 6
The present embodiment provides a kind of cryogenic vulcanization neoprene cable protective cover material, and its composition of raw materials includes following weight group
Point：
Neoprene：100 parts, wherein, the neoprene is MERCAPTAN MODIFIED CHLOROPRENE RUBBERS；
Vulcanizing system：5 parts；
Reinforcement system：90 parts；
Protection system：1 part；
Plasticising system：10 parts；
Light stabilizer：1.8 part；
Fire retardant：40 parts；
Softening agent：4 parts；
Dispersant：2 parts；
Accelerator：0.2 part；
Coupling agent：2 parts；
Colouring agent：0.01 part.
The neoprene is the middle and low grade Mooney viscosity ML1+442。
The vulcanizing system include magnesia, zinc oxide, 2- mercaptos imidazoline, N, N '-a penylene BMI,
Cumyl peroxide；Its weight composition portion rate is 4：7：1：1：1.
The reinforcement system includes gas-phase silica, precipitated silica, nano modification kaolin, nanometer calcinated argil；Its
Weight composition portion rate is 13：22：35：35.
The protection system includes antioxidant MB, anti-aging agent RD, antioxidant HS-911, age resistor ODA, antioxidant 4010；
Its weight composition portion rate is 1：2：3：3：5.
The Plasticising system includes dioctyl adipate, di-n-octyl sebacate, three (2- carboxyethyls) phosphines；Its weight forms part
Number is than being 1：2：3.
The light stabilizer includes 2- (2-2H- BTAs) -6- (1- methyl isophthalic acids-phenyl) ethyl -4- (1,1,3,3-
Tetramethyl butyl) phenol, 2-hydroxy-4-n-octoxybenzophenone and 2- (2H- BTA -2- bases) -6- (dodecyl) -4-
Methylphenol；Its weight composition portion rate is 1.5：1：2.
The fire retardant includes magnesium hydroxide, aluminium hydroxide, nitrogen phosphorus polymer, Firebrake ZB and antimony oxide；Its weight
It is 20 to form portion rate：25：16：11：7.
The softening agent includes semi-refined paraffin wax and micro-crystallization paraffin；Its weight composition portion rate is 4：2.5.
The dispersant includes stearic acid and soap base salt；Its weight composition portion rate is 1：2.
The accelerator includes N- cyclohexyls -2-[4-morpholinodithio sulfenamide, 2,2'- dithio-bis-benzothiazoles, N, N-
The double thiamides of the sulphur of tetramethyl two；Its weight composition portion rate is 2：2.5：1.
The coupling agent includes double-(γ-triethoxy silicon substrate propyl group) tetrasulfide, (the b- methoxyl group ethoxies of vinyl three
Base) silane, 3- aminopropyl triethoxysilanes；Its weight composition portion rate is 1：1.5：1.5.
It is red yellow with macromolecular that the colouring agent includes macromolecular.Its weight composition portion rate is 0.25：1.
The present embodiment provides the preparation method of above-mentioned neoprene cable protective cover material, comprises the following steps：
1) according to above-mentioned formula rate, by banburying in the load weighted raw material input banbury in addition to vulcanizing system
8min, it is 75 DEG C to control glue furnacing temperature；
2) sizing material after banburying and corresponding above-mentioned vulcanizing system are added into mill mixing, discharged after mixing, discharged
Sizing material elder generation bottom sheet cooling 4min, return mill and turn refining automatically and smash glue；
3) filtering is extruded, filtration temperature is controlled at 65 DEG C, adds three layer filtration net, the sizing material after being filtered；
4) enter rubber extruding machine and squeeze rubber extrusion, at 90 DEG C, the head and mold temperature of rubber extruding machine control rubber extruding machine temperature control
At 95 DEG C；
5) vulcanized into curing line pipeline, the continuous steam Stress control in curing line pipeline exists
0.48MPa, temperature are 151 DEG C, obtain neoprene cable protective cover material.
Produced via the high quality cryogenic vulcanization neoprene cable protective cover material in the present embodiment and preparation method
Cable finished product, improves tensile strength, surmounts foreign standard (NEMA Standard Publication No.WC 58-2008/
ICEA Standard Publication No.S-75-381-2008) index 20~32%, surmount domestic standard (MT818.1-
2009) index 98%；Tearing toughness is strengthened, surmounts foreign standard index (NEMA Standard Publication
No.WC 58-2008/ICEA Standard Publication No.S-75-381-2008) 44%, surmount domestic standard
(MT818.1-2009) index 102%；The quality stability of refining glue production and processing is improved, (Cpk is process capability Cpk
Process capability index, abbreviation, be also translated into process capability index, technological ability index, process capability and refer to
Number.) level brought up to 1.36.
Corresponding content is formulated according to the present embodiment and has matched raw material production refining rubber, after placing 6~12h, continuous
Production is extruded on steam low-temperature curing line to obtain cable jacket material and be placed on outside cable core to form cable cover(ing), obtains electricity
Cable product 5km.On the cable finished product of production respectively from the beginning, in, tail sampling cable cover(ing), respectively counter sample 1, sample 2, sample
Product 3, according to providing to be detected in GB/T 2951.1-2008 standards, testing result is as follows：
Embodiment 7
The present embodiment also provides a kind of cable cover(ing), and it is by the neoprene cable protective cover material system in above-described embodiment 1~6
Into.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, but the invention is not limited in this.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (15)
1. a kind of cryogenic vulcanization neoprene cable protective cover material, it is characterised in that its composition of raw materials includes following components by weight percent：
Neoprene：100 parts, wherein, the neoprene is MERCAPTAN MODIFIED CHLOROPRENE RUBBERS；
Vulcanizing system：0.01~6 part；
Reinforcement system：20~90 parts；
Protection system：1~10 part；
Plasticising system：5~15 parts；
Light stabilizer：0.5~3 part；
Fire retardant：20~40 parts；
Softening agent：1~5 part；
Dispersant：1~3 part；
Accelerator：0.2~4 part；
Coupling agent：0.5~3 part；
Colouring agent：0.01~0.1 part.
2. cryogenic vulcanization neoprene cable protective cover material according to claim 1, it is characterised in that the neoprene is
The middle and low grade Mooney viscosity ML1+435~45.
3. cryogenic vulcanization neoprene cable protective cover material according to claim 1, it is characterised in that the vulcanizing system bag
Include one kind in magnesia, zinc oxide, 2- mercaptos imidazoline, N, N '-penylene BMI, cumyl peroxide
It is or several；Preferably, the vulcanizing system includes magnesia, zinc oxide, 2- mercaptos imidazoline, N, N '-a penylene span
Come acid imide and cumyl peroxide, its weight composition portion rate is (2~6)：(3~10)：(0.1~2)：(0.01~2)：
(0.01~2).
4. cryogenic vulcanization neoprene cable protective cover material according to claim 1, it is characterised in that the reinforcement system bag
Include two or more in gas-phase silica, precipitated silica, nano modification kaolin, nanometer calcinated argil；Preferably
It is that the reinforcement system includes gas-phase silica, precipitated silica, nano modification kaolin and nanometer calcinated argil, its weight
It is (5~20) to form portion rate：(15~30)：(20~50)：(20~50).
5. cryogenic vulcanization neoprene cable protective cover material according to claim 1, it is characterised in that the protection system bag
Include two or more in antioxidant MB, anti-aging agent RD, antioxidant HS-911, age resistor ODA, antioxidant 4010；It is preferred that
, the protection system includes antioxidant MB, anti-aging agent RD, antioxidant HS-911, age resistor ODA and antioxidant 4010, its
Weight composition portion rate is (0.1~2)：(0.1~4)：(0.2~6)：(0.2~8)：(0.2~6).
6. cryogenic vulcanization neoprene cable protective cover material according to claim 1, it is characterised in that the Plasticising system bag
Include the one or more in dioctyl adipate, di-n-octyl sebacate, three (2- carboxyethyls) phosphines；Preferably, the plasticising body
System includes dioctyl adipate, di-n-octyl sebacate and three (2- carboxyethyls) phosphines, and its weight composition portion rate is (0.1~2)：
(0.1~4)：(0.2~6).
7. cryogenic vulcanization neoprene cable protective cover material according to claim 1, it is characterised in that the light stabilizer bag
Include 2- (2-2H- BTAs) -6- (1- methyl isophthalic acids-phenyl) ethyl -4- (1,1,3,3- tetramethyl butyls) phenol, 2- hydroxyls -
One kind or several in 4- oxy-octyl benzophenones and 2- (2H- BTA -2- bases) -6- (dodecyl) -4- methylphenols
Kind；Preferably, the light stabilizer include 2- (2-2H- BTAs) -6- (1- methyl isophthalic acids-phenyl) ethyl -4- (1,1,
3,3- tetramethyl butyls) phenol, 2-hydroxy-4-n-octoxybenzophenone and 2- (2H- BTA -2- bases) -6- (dodecanes
Base) -4- methylphenols, its weight composition portion rate is (0.01~2.5)：(0.01~2)：(0.01~3).
8. cryogenic vulcanization neoprene cable protective cover material according to claim 1, it is characterised in that the fire retardant includes
One or more in magnesium hydroxide, aluminium hydroxide, nitrogen phosphorus polymer, Firebrake ZB and antimony oxide；Preferably, the resistance
Combustion agent includes magnesium hydroxide, aluminium hydroxide, nitrogen phosphorus polymer, Firebrake ZB and antimony oxide, and its weight composition portion rate is
(0.01~40)：(0.01~50)：(0.01~30)：(0.01~20)：(0.01~15).
9. cryogenic vulcanization neoprene cable protective cover material according to claim 1, it is characterised in that the softening agent includes
Semi-refined paraffin wax and/or micro-crystallization paraffin；Preferably, the softening agent includes semi-refined paraffin wax and micro-crystallization paraffin, and its is heavy
Amount composition portion rate is (0.01~8)：(0.01~5).
10. cryogenic vulcanization neoprene cable protective cover material according to claim 1, it is characterised in that the dispersant bag
Include stearic acid and/or soap base salt；Preferably, the dispersant includes stearic acid and soap base salt, and its weight composition portion rate is
(0.5~2)：(0.5~4).
11. cryogenic vulcanization neoprene cable protective cover material according to claim 1, it is characterised in that the accelerator bag
N- cyclohexyls -2-[4-morpholinodithio sulfenamide, 2,2'- dithio-bis-benzothiazoles, N are included, in the double thiamides of the sulphur of N- tetramethyls two
One or more；Preferably, the accelerator includes N- cyclohexyls -2-[4-morpholinodithio sulfenamide, 2,2'- bis- thio two
Benzothiazole and the double thiamides of the sulphur of N, N- tetramethyl two, its weight composition portion rate is (0.01~4)：(0.01~5)：(0.01
~3).
12. cryogenic vulcanization neoprene cable protective cover material according to claim 1, it is characterised in that the coupling agent bag
Include double-(γ-triethoxy silicon substrate propyl group) tetrasulfide, vinyl three (b- methoxy ethoxies) silane, the second of 3- aminopropyls three
One or more in TMOS；Preferably, the coupling agent includes double-vulcanizations of (γ-triethoxy silicon substrate propyl group) four
Thing, (b- methoxy ethoxies) silane of vinyl three and 3- aminopropyl triethoxysilanes, its weight composition portion rate is (0.01
~2)：(0.01~3)：(0.01~3).
13. cryogenic vulcanization neoprene cable protective cover material according to claim 1, it is characterised in that the colouring agent bag
Include that macromolecular is red and/or macromolecular is yellow；Preferably, the colouring agent is red yellow with macromolecular including macromolecular, its weight composition
Portion rate is (0.01~0.5)：1.
14. the production system of the cryogenic vulcanization neoprene cable protective cover material described in any one in a kind of claim 1~13
Preparation Method, it is characterised in that comprise the following steps：
1) according to the formula rate of any one in claim 1~13, by the load weighted raw material in addition to vulcanizing system
3~8min of banburying in banbury is put into, it is 75~95 DEG C to control glue furnacing temperature；
2) vulcanizing system of any one in the sizing material after banburying and corresponding claim 1~13 is added into mill to mix
Refining, is discharged after mixing, and the sizing material elder generation bottom sheet of discharge cools down 2~4min, is returned mill and is turned refining automatically and smashes glue；
3) filtering is extruded, filtration temperature is controlled at 45~65 DEG C, adds three layer filtration net, the sizing material after being filtered；
4) enter rubber extruding machine and squeeze rubber extrusion, at 60~90 DEG C, the head and mold temperature of rubber extruding machine control rubber extruding machine temperature control
At 95~105 DEG C；
5) vulcanized into curing line pipeline, the continuous steam Stress control in curing line pipeline 0.48~
0.7MPa, temperature are 145~155 DEG C, obtain neoprene cable protective cover material.
15. a kind of cable cover(ing), it is characterised in that it is as the cryogenic vulcanization neoprene rubber described in claim 1~13 any one
Glue cable jacket material is made.
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| CN201610748108.8A CN107778592A (en) | 2016-08-26 | 2016-08-26 | Cryogenic vulcanization neoprene cable protective cover material and preparation method thereof, cable cover(ing) |
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| CN109360677A (en) * | 2018-10-12 | 2019-02-19 | 李准 | A kind of multi-functional low temperature resistant low pressure flexible cable used for wind power generation |
| CN110467757A (en) * | 2019-07-22 | 2019-11-19 | 安徽飞马电缆有限公司 | A kind of cracking resistance CABLE MATERIALS and preparation method thereof that efficiently resists cold |
| CN111574760A (en) * | 2020-03-24 | 2020-08-25 | 江苏上上电缆集团有限公司 | Rubber sheath material for new energy automobile charging pile cable and preparation method thereof |
| CN112608538A (en) * | 2020-12-30 | 2021-04-06 | 浙江博门汽车零配件有限公司 | Low-smoke halogen-free flame-retardant track traffic chloroprene rubber and preparation method thereof |
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| CN114656702A (en) * | 2022-05-10 | 2022-06-24 | 安徽永正密封件有限公司 | Flame-retardant rubber for building safety net and preparation method thereof |
| JP7365888B2 (en) | 2019-12-17 | 2023-10-20 | デンカ株式会社 | Rubber composition, vulcanized molded product of the rubber composition |
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| CN108822368A (en) * | 2018-07-18 | 2018-11-16 | 北京鼎翰科技有限公司 | A kind of method for preparing rubber of anti-fracture flame retardant type |
| CN109360677A (en) * | 2018-10-12 | 2019-02-19 | 李准 | A kind of multi-functional low temperature resistant low pressure flexible cable used for wind power generation |
| CN110467757A (en) * | 2019-07-22 | 2019-11-19 | 安徽飞马电缆有限公司 | A kind of cracking resistance CABLE MATERIALS and preparation method thereof that efficiently resists cold |
| CN113891911A (en) * | 2019-08-23 | 2022-01-04 | 电化株式会社 | Rubber composition, vulcanizate and vulcanized molded article |
| JP7365888B2 (en) | 2019-12-17 | 2023-10-20 | デンカ株式会社 | Rubber composition, vulcanized molded product of the rubber composition |
| CN111574760A (en) * | 2020-03-24 | 2020-08-25 | 江苏上上电缆集团有限公司 | Rubber sheath material for new energy automobile charging pile cable and preparation method thereof |
| CN112608538A (en) * | 2020-12-30 | 2021-04-06 | 浙江博门汽车零配件有限公司 | Low-smoke halogen-free flame-retardant track traffic chloroprene rubber and preparation method thereof |
| CN114656702A (en) * | 2022-05-10 | 2022-06-24 | 安徽永正密封件有限公司 | Flame-retardant rubber for building safety net and preparation method thereof |
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