CN106397953A - External thermoplastic elastomer material of halogen-free flame-retardant cable and preparation method thereof - Google Patents
External thermoplastic elastomer material of halogen-free flame-retardant cable and preparation method thereof Download PDFInfo
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- CN106397953A CN106397953A CN201610788769.3A CN201610788769A CN106397953A CN 106397953 A CN106397953 A CN 106397953A CN 201610788769 A CN201610788769 A CN 201610788769A CN 106397953 A CN106397953 A CN 106397953A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/448—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from other vinyl compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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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
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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Abstract
The invention discloses an external thermoplastic elastomer material of a halogen-free flame-retardant cable. The material comprises the following raw materials in weight part: 10-45 parts of EVE resin, 10-20 parts of high-density polyethylene resin, 10-30 parts of butyl rubber, 5-12 parts of carbon black, 3-8 parts of nano-titanium dioxide, 1-2 parts of zinc oxide, 0.1-0.5 part of phthalic anhydride, 1-4 parts of halogen-free flame retardant, 0.2-0.6 part of titanate coupling agent, 0.1-0.4 part of anti-aging agent, 0.1-0.4 part of anti-oxidant and 0.1-0.4 part of heat stabilizer. According to the technical scheme of the invention, the external thermoplastic elastomer material of the halogen-free flame-retardant cable is good in flame retardancy, light stability, wear resistance, anti-aging property and elasticity. The prepared cable external material can be applied in various harsh environments indoors and outdoors. The invention also provides a preparation method of the external thermoplastic elastomer material of the halogen-free flame-retardant cable. The preparation method is simple, low in cost and worthy of promotion, wherein raw materials are easily available.
Description
Technical field
The present invention relates to cable material technical field, more particularly, to a kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material
Material and preparation method thereof.
Background technology
Cable typically by the cable of the stranded similar rope of several or several groups of wires (every group at least two), every group
Mutually insulated between wire, and be often twisted into round a center, whole outside is surrounded by the cover layer of high-insulation, has interior logical
Electricity, the feature of external insulation.With social development, the consumption of cable is increasing, and in actual applications, cable is used not only in room
Interior, more it is used in outdoor, affected by various adverse circumstances and weather, and the impact of various construction environment, in recent years, by
Cable initiation fire, cable fire discharges poison, and the situation inducing one to suffocate is innumerable, thus sums up most of electricity on market
Cable has the shortcomings that poor fire, pliability difference and service life is not long, and with the lifting of people's safety consciousness, people are to cable
The performance requirement more and more higher of material.Based on the problems referred to above, the present invention proposes a kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable
External material and preparation method thereof.
Content of the invention
The invention aims to shortcoming present in solution prior art, and a kind of thermoplastic elastomer (TPE) proposing is no
Halogen flame retardant cable external material and preparation method thereof.
A kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material, including the raw material of following weight portion：EVE resin 10～
45 parts, 10～20 parts of high-density polyethylene resin, 10～30 parts of butyl rubber, 5～12 parts of carbon black, nano titanium oxide 3～8
Part, 1～2 part of zinc oxide, 0.1～0.5 part of phthalic anhydride, 1～4 part of halogen-free flame retardants, titanate coupling agent 0.2～0.6
Part, 0.1～0.4 part of age resistor, 0.1～0.4 part of antioxidant, 0.1～0.4 part of heat stabilizer.
Preferably, a kind of described thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material, former including following weight portion
Material：12～40.5 parts of EVE resin, 12～18 parts of high-density polyethylene resin, 12～27 parts of butyl rubber, 6～10 parts of carbon black, receive
4～6 parts of titanium dioxide of rice, 1.2～1.8 parts of zinc oxide, 0.2～0.4 part of phthalic anhydride, 2～3 parts of halogen-free flame retardants, titanium
0.3～0.5 part of acid esters coupling agent, 0.2～0.3 part of age resistor, 0.2～0.3 part of antioxidant, 0.2～0.3 part of heat stabilizer.
Preferably, a kind of described thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material, former including following weight portion
Material：30 parts of EVE resin, 15 parts of high-density polyethylene resin, 18 parts of butyl rubber, 8 parts of carbon black, 5 parts of nano titanium oxide, oxidation
1.5 parts of zinc, 0.3 part of phthalic anhydride, 2 parts of halogen-free flame retardants, 0.5 part of titanate coupling agent, 0.2 part of age resistor, antioxidation
0.3 part of agent, 0.1 part of heat stabilizer.
Preferably, the EVE resin that described EVE resin is 12%～15% for vinyl acetate content.
Preferably, described halogen-free flame retardants is phosphorus series non-halogen fire retardant, silicon-series five-retardant, nitrogenated flame retardant and metal hydrogen-oxygen
One of compound fire retardant.
Preferably, the weight of described EVE resin, high-density polyethylene resin, butyl rubber is than for 1～2.25:1:1～
1.5.
The invention allows for a kind of preparation method of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material, including following
Step：
S1, the butyl rubber of described proportion, zinc oxide and phthalic anhydride are added in rubber vulcanizing tank, 160
Under～180 DEG C of high temperature, vulcanize 4～8h, insulation adds the carbon black of described proportion, stirs 20 with the rotating speed of 150～250r/min
～40min, obtains rubber size A；
S2, the EVA resin of described proportion, high-density polyethylene resin and titanate coupling agent are added to resin soften tank
In, 200～250 DEG C of heating 2～3h of high temperature, wait to be completely melt, obtain resin sizing material B；
S3, resin sizing material B in rubber size A and step S2 in step S1 is poured in homogenizer, 120～
At a temperature of 180 DEG C, the nano titanium oxide of the described proportion of addition, halogen-free flame retardants, age resistor, antioxidant, heat stabilizer, with
The rotating speed of 400～800r/min, high-speed stirred 15～30min, mix homogeneously obtains compound C；
S4, the compound C of gained in step S3 is made the cable external material of required size by wire drawing machine, treat nature
It is cooled to room temperature to obtain final product.
A kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material proposed by the present invention, has good anti-flammability, light
Stability and wear-resisting, ageing resistace, the butyl rubber adding in formula has excellent chemical stability and heat stability, bullet
Property good, the cable external material prepared is applicable in indoor and outdoor and various adverse circumstances, in formula add Halogen resistance
Combustion agent is environmental protection fire retarding agent, while greatly improving Flame Retardancy, environment and human health will not be caused damage, this
Bright also proposed a kind of preparation method of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material, with EVA resin, high-density polyethylene
Olefine resin and butyl rubber are primary raw material, add halogen-free flame retardants and other auxiliary agents jointly to process, preparation method is simple,
Raw material is easy to get, low cost, is worthy to be popularized.
Specific embodiment
With reference to specific embodiment, the present invention is explained further.
Embodiment one
A kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material proposed by the present invention, former including following weight portion
Material：36 parts of EVE resin, 18 parts of high-density polyethylene resin, 25 parts of butyl rubber, 8 parts of carbon black, 4 parts of nano titanium oxide, oxidation
1.5 parts of zinc, 0.4 part of phthalic anhydride, 3 parts of phosphorus series non-halogen fire retardant, 0.4 part of titanate coupling agent, 0.4 part of age resistor, anti-
0.1 part of oxidant, 0.2 part of heat stabilizer.
Its preparation method, comprises the following steps：
S1, the butyl rubber of described proportion, zinc oxide and phthalic anhydride are added in rubber vulcanizing tank, 170
DEG C high temperature under, vulcanize 6h, insulation adds the carbon black of described proportion, stirs 35min with the rotating speed of 180r/min, obtains rubber size
A；
S2, EVE resin, high-density polyethylene resin and titanate esters idol that the vinyl acetate content of described proportion is 14%
Connection agent is added to resin and softens in tank, 220 DEG C of heating 2.5h of high temperature, waits to be completely melt, obtains resin sizing material B；
S3, resin sizing material B in rubber size A and step S2 in step S1 is poured in homogenizer, in 150 DEG C of temperature
Under degree, the nano titanium oxide of the described proportion of addition, phosphorus series non-halogen fire retardant, age resistor, antioxidant, heat stabilizer, with
The rotating speed of 600r/min, high-speed stirred 20min, mix homogeneously obtains compound C；
S4, the compound C of gained in step S3 is made the cable external material of required size by wire drawing machine, treat nature
It is cooled to room temperature to obtain final product.
Embodiment two
A kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material proposed by the present invention, former including following weight portion
Material：22 parts of EVE resin, 10 parts of high-density polyethylene resin, 15 parts of butyl rubber, 5 parts of carbon black, 7 parts of nano titanium oxide, oxidation
2 parts of zinc, 0.1 part of phthalic anhydride, 1.5 parts of silicon-series five-retardant, 0.2 part of titanate coupling agent, 0.1 part of age resistor, antioxidation
0.2 part of agent, 0.4 part of heat stabilizer.
Its preparation method, comprises the following steps：
S1, the butyl rubber of described proportion, zinc oxide and phthalic anhydride are added in rubber vulcanizing tank, 165
DEG C high temperature under, vulcanize 7h, insulation adds the carbon black of described proportion, stirs 30min with the rotating speed of 200r/min, obtains rubber size
A；
S2, EVE resin, high-density polyethylene resin and titanate esters idol that the vinyl acetate content of described proportion is 13%
Connection agent is added to resin and softens in tank, 200 DEG C of heating 3h of high temperature, waits to be completely melt, obtains resin sizing material B；
S3, resin sizing material B in rubber size A and step S2 in step S1 is poured in homogenizer, in 170 DEG C of temperature
Under degree, the nano titanium oxide of the described proportion of addition, silicon-series five-retardant, age resistor, antioxidant, heat stabilizer, with 500r/
The rotating speed of min, high-speed stirred 28min, mix homogeneously obtains compound C；
S4, the compound C of gained in step S3 is made the cable external material of required size by wire drawing machine, treat nature
It is cooled to room temperature to obtain final product.
Embodiment three
A kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material proposed by the present invention, former including following weight portion
Material：30 parts of EVE resin, 15 parts of high-density polyethylene resin, 20 parts of butyl rubber, 12 parts of carbon black, 3 parts of nano titanium oxide, oxygen
Change 1.2 parts of zinc, 0.5 part of phthalic anhydride, 2 parts of nitrogenated flame retardant, 0.6 part of titanate coupling agent, 0.3 part of age resistor, antioxygen
0.3 part of agent, 0.3 part of heat stabilizer.
Its preparation method, comprises the following steps：
S1, the butyl rubber of described proportion, zinc oxide and phthalic anhydride are added in rubber vulcanizing tank, 180
DEG C high temperature under, vulcanize 4h, insulation adds the carbon black of described proportion, stirs 25min with the rotating speed of 230r/min, obtains rubber size
A；
S2, EVE resin, high-density polyethylene resin and titanate esters idol that the vinyl acetate content of described proportion is 15%
Connection agent is added to resin and softens in tank, 250 DEG C of heating 2h of high temperature, waits to be completely melt, obtains resin sizing material B；
S3, resin sizing material B in rubber size A and step S2 in step S1 is poured in homogenizer, in 160 DEG C of temperature
Under degree, the nano titanium oxide of the described proportion of addition, nitrogenated flame retardant, age resistor, antioxidant, heat stabilizer, with 800r/
The rotating speed of min, high-speed stirred 15min, mix homogeneously obtains compound C；
S4, the compound C of gained in step S3 is made the cable external material of required size by wire drawing machine, treat nature
It is cooled to room temperature to obtain final product.
Example IV
A kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material proposed by the present invention, former including following weight portion
Material：45 parts of EVE resin, 20 parts of high-density polyethylene resin, 28 parts of butyl rubber, 10 parts of carbon black, 5 parts of nano titanium oxide, oxygen
Change 1 part of zinc, 0.2 part of phthalic anhydride, 1 part of metal hydroxide combustion inhibitor, 0.3 part of titanate coupling agent, age resistor 0.2
Part, 0.4 part of antioxidant, 0.1 part of heat stabilizer.
Its preparation method, comprises the following steps：
S1, the butyl rubber of described proportion, zinc oxide and phthalic anhydride are added in rubber vulcanizing tank, 160
DEG C high temperature under, vulcanize 8h, insulation adds the carbon black of described proportion, stirs 40min with the rotating speed of 150r/min, obtains rubber size
A；
S2, EVE resin, high-density polyethylene resin and titanate esters idol that the vinyl acetate content of described proportion is 13%
Connection agent is added to resin and softens in tank, 210 DEG C of heating 2.8h of high temperature, waits to be completely melt, obtains resin sizing material B；
S3, resin sizing material B in rubber size A and step S2 in step S1 is poured in homogenizer, in 120 DEG C of temperature
Under degree, the nano titanium oxide of the described proportion of addition, metal hydroxide combustion inhibitor, age resistor, antioxidant, heat stabilizer,
With the rotating speed of 400r/min, high-speed stirred 30min, mix homogeneously obtains compound C；
S4, the compound C of gained in step S3 is made the cable external material of required size by wire drawing machine, treat nature
It is cooled to room temperature to obtain final product.
Embodiment five
A kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material proposed by the present invention, former including following weight portion
Material：25 parts of EVE resin, 12 parts of high-density polyethylene resin, 18 parts of butyl rubber, 9 parts of carbon black, 8 parts of nano titanium oxide, oxidation
1.8 parts of zinc, 0.3 part of phthalic anhydride, 4 parts of nitrogenated flame retardant, 0.5 part of titanate coupling agent, 0.3 part of age resistor, antioxidation
0.1 part of agent, 0.2 part of heat stabilizer.
Its preparation method, comprises the following steps：
S1, the butyl rubber of described proportion, zinc oxide and phthalic anhydride are added in rubber vulcanizing tank, 175
DEG C high temperature under, vulcanize 5h, insulation adds the carbon black of described proportion, stirs 20min with the rotating speed of 250r/min, obtains rubber size
A；
S2, EVE resin, high-density polyethylene resin and titanate esters idol that the vinyl acetate content of described proportion is 12%
Connection agent is added to resin and softens in tank, 240 DEG C of heating 2.2h of high temperature, waits to be completely melt, obtains resin sizing material B；
S3, resin sizing material B in rubber size A and step S2 in step S1 is poured in homogenizer, in 180 DEG C of temperature
Under degree, the nano titanium oxide of the described proportion of addition, nitrogenated flame retardant, age resistor, antioxidant, heat stabilizer, with 700r/
The rotating speed of min, high-speed stirred 25min, mix homogeneously obtains compound C；
S4, the compound C of gained in step S3 is made the cable external material of required size by wire drawing machine, treat nature
It is cooled to room temperature to obtain final product.
The thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material that above-mentioned five groups of embodiments are prepared, according to GB/T
12666.1-2008 individual wires cable fire test method, carries out fire resistance test, in Special testing device, will be single
Cable is lighted, and vertical combustion, after 10 seconds, removes burning things which may cause a fire disaster, records cable flame self-extinguishing time, draws following result：(self-extinguishing time
Shorter, flame retardant effect is better)
| Embodiment | One | Two | Three | Four | Five |
| Self-extinguishing time | 0.98s | 1.37s | 1.25s | 1.62s | 0.83s |
A kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material proposed by the present invention, has good anti-flammability, light
Stability and wear-resisting, ageing resistace, the butyl rubber adding in formula has excellent chemical stability and heat stability, bullet
Property good, the cable external material prepared is applicable in indoor and outdoor and various adverse circumstances, in formula add Halogen resistance
Combustion agent is environmental protection fire retarding agent, while greatly improving Flame Retardancy, environment and human health will not be caused damage, this
Bright also proposed a kind of preparation method of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material, with EVA resin, high-density polyethylene
Olefine resin and butyl rubber are primary raw material, add halogen-free flame retardants and other auxiliary agents jointly to process, preparation method is simple,
Raw material is easy to get, low cost, is worthy to be popularized.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (7)
1. a kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material is it is characterised in that include the raw material of following weight portion：
10～45 parts of EVE resin, 10～20 parts of high-density polyethylene resin, 10～30 parts of butyl rubber, carbon black 5～12 part, nanometer two
3～8 parts of titanium oxide, 1～2 part of zinc oxide, 0.1～0.5 part of phthalic anhydride, 1～4 part of halogen-free flame retardants, titanate esters are coupled
0.2～0.6 part of agent, 0.1～0.4 part of age resistor, 0.1～0.4 part of antioxidant, 0.1～0.4 part of heat stabilizer.
2. a kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material according to claim 1 is it is characterised in that include
The raw material of following weight portion：12～40.5 parts of EVE resin, 12～18 parts of high-density polyethylene resin, 12～27 parts of butyl rubber,
6～10 parts of carbon black, 4～6 parts of nano titanium oxide, 1.2～1.8 parts of zinc oxide, 0.2～0.4 part of phthalic anhydride, Halogen resistance
2～3 parts of agent of combustion, 0.3～0.5 part of titanate coupling agent, 0.2～0.3 part of age resistor, 0.2～0.3 part of antioxidant, thermally-stabilised
0.2～0.3 part of agent.
3. a kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material according to claim 1 is it is characterised in that include
The raw material of following weight portion：30 parts of EVE resin, 15 parts of high-density polyethylene resin, 18 parts of butyl rubber, carbon black 8 part, nanometer two
5 parts of titanium oxide, 1.5 parts of zinc oxide, 0.3 part of phthalic anhydride, 2 parts of halogen-free flame retardants, 0.5 part of titanate coupling agent, anti-old
0.2 part of agent, 0.3 part of antioxidant, 0.1 part of heat stabilizer.
4. a kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material according to claim 1 is it is characterised in that described
The EVE resin that EVE resin is 12%～15% for vinyl acetate content.
5. a kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material according to claim 1 is it is characterised in that described
Halogen-free flame retardants is one of phosphorus series non-halogen fire retardant, silicon-series five-retardant, nitrogenated flame retardant and metal hydroxide combustion inhibitor.
6. a kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material according to claim 1 is it is characterised in that described
EVE resin, high-density polyethylene resin, the weight of butyl rubber are than for 1～2.25:1:1～1.5.
7. a kind of preparation method of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material is it is characterised in that comprise the following steps：
S1, the butyl rubber of described proportion, zinc oxide and phthalic anhydride are added in rubber vulcanizing tank, 160～180
DEG C high temperature under, vulcanize 4～8h, insulation adds the carbon black of described proportion, stir 20 with the rotating speed of 150～250r/min～
40min, obtains rubber size A；
S2, the EVA resin of described proportion, high-density polyethylene resin and titanate coupling agent are added to resin soften tank in,
200～250 DEG C of heating 2～3h of high temperature, wait to be completely melt, obtain resin sizing material B；
S3, resin sizing material B in rubber size A and step S2 in step S1 is poured in homogenizer, at 120～180 DEG C
At a temperature of, add the nano titanium oxide of described proportion, halogen-free flame retardants, age resistor, antioxidant, heat stabilizer, with 400～
The rotating speed of 800r/min, high-speed stirred 15～30min, mix homogeneously obtains compound C；
S4, the compound C of gained in step S3 is made the cable external material of required size by wire drawing machine, treat natural cooling
Obtain final product to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788769.3A CN106397953A (en) | 2016-08-31 | 2016-08-31 | External thermoplastic elastomer material of halogen-free flame-retardant cable and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788769.3A CN106397953A (en) | 2016-08-31 | 2016-08-31 | External thermoplastic elastomer material of halogen-free flame-retardant cable and preparation method thereof |
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| CN106397953A true CN106397953A (en) | 2017-02-15 |
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| CN201610788769.3A Pending CN106397953A (en) | 2016-08-31 | 2016-08-31 | External thermoplastic elastomer material of halogen-free flame-retardant cable and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107383883A (en) * | 2017-09-03 | 2017-11-24 | 安徽天裕汽车零部件制造有限公司 | A kind of preparation method of automobile cage dirt-proof boot |
| CN108109728A (en) * | 2017-12-10 | 2018-06-01 | 长沙无道工业设计有限公司 | A kind of aluminium alloy prefabricated branch cable and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107383883A (en) * | 2017-09-03 | 2017-11-24 | 安徽天裕汽车零部件制造有限公司 | A kind of preparation method of automobile cage dirt-proof boot |
| CN108109728A (en) * | 2017-12-10 | 2018-06-01 | 长沙无道工业设计有限公司 | A kind of aluminium alloy prefabricated branch cable and preparation method thereof |
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