CN106700204A - Cable sheath material with good flame-retardant performance and preparation method thereof - Google Patents

Cable sheath material with good flame-retardant performance and preparation method thereof Download PDF

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CN106700204A
CN106700204A CN201611128017.0A CN201611128017A CN106700204A CN 106700204 A CN106700204 A CN 106700204A CN 201611128017 A CN201611128017 A CN 201611128017A CN 106700204 A CN106700204 A CN 106700204A
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degrees celsius
cable sheath
sheath material
starch
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不公告发明人
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Zhengzhou Search Information Technology Co Ltd
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    • 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
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    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/02—Ingredients treated with inorganic substances
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L21/00—Compositions of unspecified rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08L3/02—Starch; Degradation products thereof, e.g. dextrin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • 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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    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
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    • 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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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L2205/00—Polymer mixtures characterised by other features
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    • C08L2205/00—Polymer mixtures characterised by other features
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    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)

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Abstract

The invention discloses a cable sheath material with good flame-retardant performance. The cable sheath material is prepared from the following raw materials in parts by weight: 20-33 parts of raw rubber, 10-18 parts of carbon black, 3-6 parts of magnesium hydroxide, 24-38 parts of low-density polyethylene, 0.5-5 parts of aluminum nitride, 8-12 parts of zinc borate, 12-21 parts of pulverized fuel ash, 8-18 parts of micalex, 4-12 parts of starch, 7-15 parts of plant fibers, 1-2 parts of antioxidant, 0.4-1 part of a crosslinking agent, 0.8-2.5 parts of coupler and 2-11 parts of dencichine. The invention further discloses a method for preparing the cable sheath material. The cable sheath material combining advantages of all components has excellent processing performance and mechanical performance, has good rigidity, high flexibility, tear resistance, high-temperature and low-temperature aging resistance, good flame retardance and good chemical corrosion resistance, can meet specific use environment conditions, and has wide market application prospect.

Description

Good cable sheath material of a kind of fire resistance and preparation method thereof
Technical field
The present invention relates to field of cables, the good cable sheath material of specifically a kind of fire resistance.
Background technology
Electric power is to ensure that people's lives, production, the energy of working and learning ensure that electric power is all by electric cable transporting to thousand Ten thousand families of family.Cable is by several or several groups of wires（Every group at least two）The cable of stranded similar rope, every group is led Mutually insulated between line, and be often twisted into around a center, whole outside is surrounded by the coating of high-insulation.With economy Development, it is necessary to become variation using the place of cable, to the performance of cable jacket material using indicated it is more strict and Various requirement, such as insulating properties, tensile strength, temperature in use, fire resistance etc. have strict requirements using mark, constantly The performance of sheath material is improved, is the active demand of economy and social development, had poor fire more traditional sheath material, change Learn that stability is poor, high temperature is yielding, poor mechanical property, short service life the problems such as, bring many inconvenience to actually used, or even The security of the lives and property of people is threatened, therefore, it is badly in need of changing original sheath material formula, material property is improved, to adapt to electricity The various demand in cable market.
The content of the invention
It is an object of the invention to provide a kind of good cable sheath material of fire resistance, with solving above-mentioned background technology The problem of proposition.
To achieve the above object, the present invention provides following technical scheme：
A kind of good cable sheath material of fire resistance, is made up of following raw material according to weight portion：Rubber 20-33 parts, carbon black 10- 18 parts, magnesium hydroxide 3-6 parts, low density polyethylene (LDPE) 24-38 parts, aluminium nitride 0.5-5 parts, Firebrake ZB 8-12 parts, flyash 12- 21 parts, micarex 8-18 parts, starch 4-12 parts, string 7-15 parts, antioxidant 1-2 parts, crosslinking agent 0.4-1 parts, coupling agent 0.8-2.5 parts and dencichine 2-11 parts.
As further scheme of the invention：Stem and leaf bar, secondary stock, papermaking of the string using the crops prescinded One or several mixture of the waste residue of factory, the waste residue in sugar refinery and food factory's fibre-bearing waste residue.
As further scheme of the invention：Starch uses farina, cornstarch, wheaten starch and rice starch One or several mixture.
The preparation method of the good cable sheath material of the fire resistance, comprises the following steps that：
Step one, micarex is put into calcining furnace and is calcined 2-4 hours under 520-570 degrees Celsius, is cooled down and is ground into Mass fraction is put into after 50-100 mesh to be soaked 2-3 hours in the hydrochloric acid solution of 12-15%, mica stone powder is filtered out, using steaming Distilled water is cleaned, dried and is ground into 200-300 mesh powder, obtains modified micaceous stone powder；
Step 2, by rubber, aluminium nitride, Firebrake ZB, magnesium hydroxide and low density polyethylene (LDPE) addition banbury, banbury is in temperature Spend for 110-140 degrees Celsius, rotating speed are 15-30rpm, pressure is not more than banburying 15-30 minutes under conditions of -0.09MPa, obtains First mixed material；
Step 3, carbon black, flyash, modified micaceous stone powder, starch, string and dencichine are added in banbury, It is 80-120 degrees Celsius in temperature, rotating speed is 20-45rpm, and pressure is not more than banburying 5-15 minutes under conditions of -0.09MPa, Obtain the second mixed material；
Step 4, by the first mixed material and the second mixed material feeding high-speed kneading machine in, then in high-speed kneading machine add Antioxidant, crosslinking agent and coupling agent, mediate 6-15 minutes under 150-180 degrees Celsius, after material cooling is mediated, send into twin-screw Extruder is granulated, you can obtain finished product.
Compared with prior art, the beneficial effects of the invention are as follows：Raw material sources of the present invention extensively, fit by preparation process is simple For large-scale industrial production；Present invention incorporates the advantage of each component, the cable sheath material of preparation has good Processing characteristics and mechanical performance, the material stiffness of preparation are good, and pliability is high, tear resistance, high temperature resistant low temperature aging performance, resistance Combustion performance and resistance to chemical corrosion are good, and long service life disclosure satisfy that specific use environment condition, and market application foreground is wide It is wealthy.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Embodiment 1
A kind of good cable sheath material of fire resistance, is made up of following raw material according to weight portion：20 parts of rubber, 10 parts of carbon black, 3 parts of magnesium hydroxide, 24 parts of low density polyethylene (LDPE), 0.5 part of aluminium nitride, 8 parts of Firebrake ZB, 12 parts of flyash, 8 parts of micarex, starch 2 parts of 4 parts, 7 parts of string, 1 part of antioxidant, 0.4 part of crosslinking agent, 0.8 part of coupling agent and dencichine.String is used and prescinded Crops stem and leaf bar.
The preparation method of the good cable sheath material of the fire resistance, comprises the following steps that：
Step one, micarex is put into calcining furnace and is calcined 2 hours under 520 degrees Celsius, after cooling down and being ground into 60 mesh It is put into the hydrochloric acid solution that mass fraction is 13% and soaks 2.5 hours, filter out mica stone powder, is cleaned using distilled water, drying And 240 mesh powder are ground into, modified micaceous stone powder is obtained；
Step 2, by rubber, aluminium nitride, Firebrake ZB, magnesium hydroxide and low density polyethylene (LDPE) addition banbury, banbury is in temperature Spend for 115 degrees Celsius, rotating speed are 20rpm, pressure is banburying 18 minutes under conditions of -0.24MPa, obtains the first mixed material；
Step 3, carbon black, flyash, modified micaceous stone powder, starch, string and dencichine are added in banbury, It it is 90 degrees Celsius in temperature, rotating speed is 25rpm, pressure is banburying 10 minutes under conditions of -0.16MPa, obtains the second mixing Material；
Step 4, by the first mixed material and the second mixed material feeding high-speed kneading machine in, then in high-speed kneading machine add Antioxidant, crosslinking agent and coupling agent, mediate 9 minutes under 150 degrees Celsius, after material cooling is mediated, send into double screw extruder Granulation, you can obtain finished product.
The product of embodiment 1 is carried out into performance test, test result is：Tensile strength is 20.5Mpa, elongation at break Be 392%, after the treatment in 90 degrees Celsius × 70 hours of IRM902 oil, tensile strength and elongation at break be respectively 18.6Mpa, 374%, through hot air aging in 136 degrees Celsius × 168 hours after, stretching strength retentivity is 95.1%, elongation at break conservation rate It is 96.2%, 20 degrees Celsius of specific insulations are 1.37 × 1014Ω m, soak 7 days through the 15% of 60 degrees Celsius NaCl solution Afterwards, the pick up of material is 0.0026%, and specific insulation rate of change is 0.0024% after immersion, by 80 degrees Celsius of toluene solvants After immersion 7 days, without obvious swelling and cracking phenomena, can be maintained a long-term stability under 120 degrees celsius, minimum temperature in use Be -40 degrees Celsius, it is prolonged it is outdoor be exposed to the sun under do not ftracture, it is indeformable.
Embodiment 2
A kind of good cable sheath material of fire resistance, is made up of following raw material according to weight portion：24 parts of rubber, 12 parts of carbon black, 4 parts of magnesium hydroxide, 27 parts of low density polyethylene (LDPE), 2 parts of aluminium nitride, 9.5 parts of Firebrake ZB, 15 parts of flyash, 10 parts of micarex, shallow lake 4 parts of 7 parts of powder, 10 parts of string, 1.4 parts of antioxidant, 0.7 part of crosslinking agent, 1.2 parts of coupling agent and dencichine.Starch uses horse The mixture of bell sweet potato starch and wheaten starch.
The preparation method of the good cable sheath material of the fire resistance, comprises the following steps that：
Step one, micarex is put into calcining furnace and is calcined 2.5 hours under 540 degrees Celsius, cools down and be ground into 80 mesh It is put into afterwards in the hydrochloric acid solution that mass fraction is 14% and soaks 3 hours, filter out mica stone powder, is cleaned using distilled water, drying And 260 mesh powder are ground into, modified micaceous stone powder is obtained；
Step 2, by rubber, aluminium nitride, Firebrake ZB, magnesium hydroxide and low density polyethylene (LDPE) addition banbury, banbury is in temperature Spend for 130 degrees Celsius, rotating speed are 24rpm, pressure is banburying 24 minutes under conditions of -0.15MPa, obtains the first mixed material；
Step 3, carbon black, flyash, modified micaceous stone powder, starch, string and dencichine are added in banbury, It it is 100 degrees Celsius in temperature, rotating speed is 30rpm, pressure is banburying 9 minutes under conditions of -0.26MPa, obtains the second mixing Material；
Step 4, by the first mixed material and the second mixed material feeding high-speed kneading machine in, then in high-speed kneading machine add Antioxidant, crosslinking agent and coupling agent, mediate 10 minutes under 165 degrees Celsius, after material cooling is mediated, send into double screw extruder Granulation, you can obtain finished product.
The product of embodiment 2 is carried out into performance test, test result is：Tensile strength is 21.8Mpa, elongation at break Be 406%, after the treatment in 90 degrees Celsius × 70 hours of IRM902 oil, tensile strength and elongation at break be respectively 18.9Mpa, 379%, through hot air aging in 136 degrees Celsius × 168 hours after, stretching strength retentivity is 93.6%, elongation at break conservation rate It is 95.8%, 20 degrees Celsius of specific insulations are 1.45 × 1014Ω m, soak 7 days through the 15% of 60 degrees Celsius NaCl solution Afterwards, the pick up of material is 0.0023%, and specific insulation rate of change is 0.0021% after immersion, by 80 degrees Celsius of toluene solvants After immersion 7 days, without obvious swelling and cracking phenomena, can be maintained a long-term stability under 120 degrees celsius, minimum temperature in use Be -43 degrees Celsius, it is prolonged it is outdoor be exposed to the sun under do not ftracture, it is indeformable.
Embodiment 3
A kind of good cable sheath material of fire resistance, is made up of following raw material according to weight portion：29 parts of rubber, 16 parts of carbon black, 5 parts of magnesium hydroxide, 35 parts of low density polyethylene (LDPE), 4 parts of aluminium nitride, 11 parts of Firebrake ZB, 20 parts of flyash, 16 parts of micarex, starch 9 parts of 10 parts, 13 parts of string, 1.8 parts of antioxidant, 0.8 part of crosslinking agent, 2.1 parts of coupling agent and dencichine.String is used The mixture of the waste residue of secondary stock, the waste residue in paper mill and sugar refinery.Starch is using wheaten starch and the mixture of rice starch.
The preparation method of the good cable sheath material of the fire resistance, comprises the following steps that：
Step one, micarex is put into calcining furnace and is calcined 4 hours under 550 degrees Celsius, after cooling down and being ground into 90 mesh Be put into the hydrochloric acid solution that mass fraction is 14% and soak 2 hours, filter out mica stone powder, cleaned using distilled water, drying simultaneously And 280 mesh powder are ground into, obtain modified micaceous stone powder；
Step 2, by rubber, aluminium nitride, Firebrake ZB, magnesium hydroxide and low density polyethylene (LDPE) addition banbury, banbury is in temperature Spend for 135 degrees Celsius, rotating speed are 27rpm, pressure is banburying 25 minutes under conditions of -0.35MPa, obtains the first mixed material；
Step 3, carbon black, flyash, modified micaceous stone powder, starch, string and dencichine are added in banbury, It it is 120 degrees Celsius in temperature, rotating speed is 45rpm, pressure is banburying 12 minutes under conditions of -0.18MPa, obtains the second mixing Material；
Step 4, by the first mixed material and the second mixed material feeding high-speed kneading machine in, then in high-speed kneading machine add Antioxidant, crosslinking agent and coupling agent, mediate 12 minutes under 170 degrees Celsius, after material cooling is mediated, send into double screw extruder Granulation, you can obtain finished product.
The product of embodiment 3 is carried out into performance test, test result is：Tensile strength is 23.5Mpa, elongation at break Be 384%, after the treatment in 90 degrees Celsius × 70 hours of IRM902 oil, tensile strength and elongation at break be respectively 19.8Mpa, 362%, through hot air aging in 136 degrees Celsius × 168 hours after, stretching strength retentivity is 92.4%, elongation at break conservation rate It is 92.6%, 20 degrees Celsius of specific insulations are 1.42 × 1014Ω m, soak 7 days through the 15% of 60 degrees Celsius NaCl solution Afterwards, the pick up of material is 0.0029%, and specific insulation rate of change is 0.0019% after immersion, by 80 degrees Celsius of toluene solvants After immersion 7 days, without obvious swelling and cracking phenomena, can be maintained a long-term stability under 120 degrees celsius, minimum temperature in use Be -45 degrees Celsius, it is prolonged it is outdoor be exposed to the sun under do not ftracture, it is indeformable.
Embodiment 4
A kind of good cable sheath material of fire resistance, is made up of following raw material according to weight portion：33 parts of rubber, 18 parts of carbon black, 6 parts of magnesium hydroxide, 38 parts of low density polyethylene (LDPE), 5 parts of aluminium nitride, 12 parts of Firebrake ZB, 21 parts of flyash, 18 parts of micarex, starch 11 parts of 12 parts, 15 parts of string, 2 parts of antioxidant, 1 part of crosslinking agent, 2.5 parts of coupling agent and dencichine.String is used and cut The stem and leaf bar of short crops, secondary stock, the waste residue in paper mill, the waste residue in sugar refinery and food factory's fibre-bearing waste residue it is mixed Compound.Starch uses the mixture of farina, cornstarch, wheaten starch and rice starch.
The preparation method of the good cable sheath material of the fire resistance, comprises the following steps that：
Step one, micarex is put into calcining furnace and is calcined 3 hours under 570 degrees Celsius, is put after cooling down and being ground into 100 mesh Enter in the hydrochloric acid solution that mass fraction is 12% and soak 2.5 hours, filter out mica stone powder, cleaned using distilled water, drying simultaneously And 300 mesh powder are ground into, obtain modified micaceous stone powder；
Step 2, by rubber, aluminium nitride, Firebrake ZB, magnesium hydroxide and low density polyethylene (LDPE) addition banbury, banbury is in temperature Spend for 125 degrees Celsius, rotating speed are 30rpm, pressure is banburying 28 minutes under conditions of -0.10MPa, obtains the first mixed material；
Step 3, carbon black, flyash, modified micaceous stone powder, starch, string and dencichine are added in banbury, It it is 120 degrees Celsius in temperature, rotating speed is 30rpm, pressure is banburying 12 minutes under conditions of -0.12MPa, obtains the second mixing Material；
Step 4, by the first mixed material and the second mixed material feeding high-speed kneading machine in, then in high-speed kneading machine add Antioxidant, crosslinking agent and coupling agent, mediate 10 minutes under 180 degrees Celsius, after material cooling is mediated, send into double screw extruder Granulation, you can obtain finished product.
The product of embodiment 4 is carried out into performance test, test result is：Tensile strength is 21.5Mpa, elongation at break Be 427%, after the treatment in 90 degrees Celsius × 70 hours of IRM902 oil, tensile strength and elongation at break be respectively 17.7Mpa, 384%, through hot air aging in 136 degrees Celsius × 168 hours after, stretching strength retentivity is 90.3%, elongation at break conservation rate It is 91.2%, 20 degrees Celsius of specific insulations are 1.32 × 1014Ω m, soak 7 days through the 15% of 60 degrees Celsius NaCl solution Afterwards, the pick up of material is 0.0034%, and specific insulation rate of change is 0.0024% after immersion, by 80 degrees Celsius of toluene solvants After immersion 7 days, without obvious swelling and cracking phenomena, can be maintained a long-term stability under 120 degrees celsius, minimum temperature in use Be -40 degrees Celsius, it is prolonged it is outdoor be exposed to the sun under do not ftracture, it is indeformable.
Comparative example 1
Except remaining component and preparation method for not containing dencichine comparative example 1 are same as Example 2.
The product of comparative example 1 is carried out into performance test, test result is：Tensile strength is 22.8Mpa, elongation at break Be 352%, after the treatment in 90 degrees Celsius × 70 hours of IRM902 oil, tensile strength and elongation at break be respectively 12.5Mpa, 134%, through hot air aging in 136 degrees Celsius × 168 hours after, stretching strength retentivity is 35.6%, elongation at break conservation rate It is 34.3%, 20 degrees Celsius of specific insulations are 1.06 × 1013Ω m, soak 7 days through the 15% of 60 degrees Celsius NaCl solution Afterwards, the pick up of material is 16.83%, and specific insulation rate of change is 4.82% after immersion, is soaked by 80 degrees Celsius of toluene solvants Bubble has obvious swelling and cracking phenomena, it is impossible to maintain a long-term stability at 80 degrees celsius after 5 days, minimum temperature in use for- 21 degrees Celsius, in prolonged outdoor be exposed to the sun lower generation cracking and deformation.
It is seen from the above data that the product of embodiment 1-4 fire resistance, mechanical property, high and low temperature resistance and The product of comparative example 1 is substantially better than in ageing resistace.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined May be appreciated other embodiment.

Claims (4)

1. the good cable sheath material of a kind of fire resistance, it is characterised in that be made up of according to weight portion following raw material：Rubber 20-33 parts, carbon black 10-18 parts, magnesium hydroxide 3-6 parts, low density polyethylene (LDPE) 24-38 parts, aluminium nitride 0.5-5 parts, Firebrake ZB 8- 12 parts, flyash 12-21 parts, micarex 8-18 parts, starch 4-12 parts, string 7-15 parts, antioxidant 1-2 parts, crosslinking agent 0.4-1 parts, coupling agent 0.8-2.5 parts and dencichine 2-11 parts.
2. the good cable sheath material of fire resistance according to claim 1, it is characterised in that the string is used The stem and leaf bar of the crops prescinded, secondary stock, the waste residue in paper mill, the waste residue in sugar refinery and food factory's fibre-bearing waste residue One or several mixture.
3. the good cable sheath material of fire resistance according to claim 1 and 2, it is characterised in that the starch is used One or several mixture of farina, cornstarch, wheaten starch and rice starch.
4. a kind of preparation method of the good cable sheath material of fire resistance as described in claim 1-3 is any, its feature exists In comprising the following steps that：
Step one, micarex is put into calcining furnace and is calcined 2-4 hours under 520-570 degrees Celsius, is cooled down and is ground into Mass fraction is put into after 50-100 mesh to be soaked 2-3 hours in the hydrochloric acid solution of 12-15%, mica stone powder is filtered out, using steaming Distilled water is cleaned, dried and is ground into 200-300 mesh powder, obtains modified micaceous stone powder；
Step 2, by rubber, aluminium nitride, Firebrake ZB, magnesium hydroxide and low density polyethylene (LDPE) addition banbury, banbury is in temperature Spend for 110-140 degrees Celsius, rotating speed are 15-30rpm, pressure is not more than banburying 15-30 minutes under conditions of -0.09MPa, obtains First mixed material；
Step 3, carbon black, flyash, modified micaceous stone powder, starch, string and dencichine are added in banbury, It is 80-120 degrees Celsius in temperature, rotating speed is 20-45rpm, and pressure is not more than banburying 5-15 minutes under conditions of -0.09MPa, Obtain the second mixed material；
Step 4, by the first mixed material and the second mixed material feeding high-speed kneading machine in, then in high-speed kneading machine add Antioxidant, crosslinking agent and coupling agent, mediate 6-15 minutes under 150-180 degrees Celsius, after material cooling is mediated, send into twin-screw Extruder is granulated, you can obtain finished product.
CN201611128017.0A 2016-12-09 2016-12-09 Cable sheath material with good flame-retardant performance and preparation method thereof Withdrawn CN106700204A (en)

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CN109251394A (en) * 2018-08-21 2019-01-22 孙同娟 A kind of flame retardant property and the good cable sheath material and preparation method thereof of tensile property
CN112920488A (en) * 2021-01-28 2021-06-08 苏敏 Chemical corrosion resistant insulating material and preparation method thereof
CN113436790A (en) * 2021-06-18 2021-09-24 云南龙源电缆有限公司 Efficient energy-saving flame-retardant cable and preparation method thereof
CN114224758A (en) * 2022-02-23 2022-03-25 广东蕾琪化妆品有限公司 Plant component moistening type anti-discoloration lipstick as well as preparation method and use method thereof

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109251394A (en) * 2018-08-21 2019-01-22 孙同娟 A kind of flame retardant property and the good cable sheath material and preparation method thereof of tensile property
CN112920488A (en) * 2021-01-28 2021-06-08 苏敏 Chemical corrosion resistant insulating material and preparation method thereof
CN113436790A (en) * 2021-06-18 2021-09-24 云南龙源电缆有限公司 Efficient energy-saving flame-retardant cable and preparation method thereof
CN114224758A (en) * 2022-02-23 2022-03-25 广东蕾琪化妆品有限公司 Plant component moistening type anti-discoloration lipstick as well as preparation method and use method thereof

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