CN108659408A - A kind of preparation method of low temperature resistant PVC cable material - Google Patents
A kind of preparation method of low temperature resistant PVC cable material Download PDFInfo
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- CN108659408A CN108659408A CN201810623761.0A CN201810623761A CN108659408A CN 108659408 A CN108659408 A CN 108659408A CN 201810623761 A CN201810623761 A CN 201810623761A CN 108659408 A CN108659408 A CN 108659408A
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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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
- H01B3/443—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 vinylhalogenides or other halogenoethylenic 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/324—Alkali metal phosphate
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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
- 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
- C08L2205/02—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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention relates to a kind of preparation method of cable material more particularly to a kind of preparation methods of low temperature resistant PVC cable material.The preparation method includes the following steps：（a）Polyvinyl chloride resin, acid binding agent, lubricant and antioxidant are placed in vacuum kneader, mixed under vacuum state, the silicone oil being added after mixing, Raise vacuum kneader rotating speed continues to mix to 1000r/min；（b）Then organic siliconresin, white carbon, nano-calcium carbonate and silicone oil is added, continues to be mixed to get mixture；（d）By step（c）In obtained mixture be placed in extruding pelletization in double screw extruder, obtain low temperature resistant PVC cable material.The present invention has the advantages that：（1）Resistance to low temperature is excellent；（2）Formula is simple, of low cost；（3）Mechanical property, weatherability and flame retardant property it is good.
Description
The present invention relates to a kind of preparation method of cable material more particularly to a kind of preparation sides of low temperature resistant PVC cable material
Method.
Technical field
It is basic resin, addition stabilizer, dioctyl phthalate, O-phthalic that PVC cable material, which is with polyvinyl chloride,
Sour diisodecyl ester, the inorganic fillers such as the plasticizer such as dioctyl terephthalate, trioctyl trimellitate (TOTM) and calcium carbonate, auxiliary agent
With the additives such as lubricant, the particle for squeezing out and preparing is mediated by mixture.
China's extremely frigid zones area accounts for about the 27.9% of territory total area, the areas such as northeast, Inner Mongol, northwest of energy abundance
High-cold regions are mostly in, and winter temperature is often less than -50 DEG C, how to improve the Low-Temperature Reliability of cable becomes urgently to be resolved hurrily
A key technical problem.The low-temperature impact brittle temperature of traditional PVC cable materials is much not achieved at -15 DEG C~-20 DEG C
Actual motion requirement.Cable insulate in the laid processes of extremely frigid zones and sheath suffers from damage, therefore these areas make
It is very necessary with low temperature resistant cable.With going deep into for upgrading urban and rural power grids, the demand of low temperature resistant PVC cable material can be got over
Come bigger.
Such as a kind of a kind of low temperature resistant PVC cable material formula disclosed in Chinese patent literature, application publication number are
CN106519511A is made of the raw material below according to parts by weight：30~40 parts of polyvinyl chloride resin, ultra-low density polyethylene 10~
15 parts, 3~8 parts of β crystalline substances nucleating agent, 3~6 parts of polyolefin thermoplastic elastomer, 3~6 parts of octene ethylene copolymer, poly- glutaric acid the third two
5~8 parts of alcohol ester, 3~7 parts of POE elastic body toughenings agent, 1~3 part of antioxidant, 2~5 parts of silicon carbide fibre, nano barium sulfate 1~3
Part, 2~4 parts of zeolite with carrying silver, 2~5 parts of glass fibre, 4~10 parts of nano-titanium dioxide, 5~10 parts of magnesium hydroxide, toughener 1
~3 parts, 3~6 parts of paraffin, 3~5 parts of silane coupling agent, 1~4 part of plasticizer.Although the invention has resistance to low temperature,
Its specific resistance to low temperature does not have quantizating index, can not judge that it determines Applicable temperature, while the material in its formula is excessively
Complexity, cost is excessively high, good can not be used for practical application.
Invention content
The present invention is to overcome PVC cable material resistance to low temperature deficiency, the determination of no standard measure in the prior art resistance to low
The warm limit, the complicated defect with high costs of recipe ingredient provide a kind of effective raising PVC cable material resistance to low temperature, match
Side is simple, a kind of simple preparation method of low temperature resistant PVC cable material of processing step of low cost.
In order to achieve the above objectives, the technical solution adopted by the present invention is as follows：
A kind of preparation method of low temperature resistant PVC cable material, the preparation method include the following steps：
(a) 1-3 parts of 100 parts of polyvinyl chloride resins, 3-8 parts of acid binding agent, 1-3 parts of lubricant and antioxidant are placed in vacuum kneader
In, to be mixed under the rate of 800r/min under vacuum state, the temperature of mixture is controlled at 115-120 DEG C, mixes 10-
10-15 parts of silicone oil is added after 15min, Raise vacuum kneader rotating speed to 1000r/min continues to mix 10-15min；
(b) rotating speed is reduced to 400r/min, and 20-35 parts of organic siliconresin, 15-30 parts of white carbon, nano-calcium carbonate is then added
20-45 parts and 20-30 parts of silicone oil, continue to mix 10r/min, then increase rotating speed to 1500r/min, continue to mix 30min,
Obtain mixture；
(c) mixture obtained in step (b) is placed in extruding pelletization in double screw extruder, obtains low temperature resistant PVC cable material.
Organic siliconresin is added in the present invention in polyvinyl chloride resin, since organic siliconresin and silicone oil its main chain have such as
Under unique structure：
(1) methyl sufficient on Si atoms gets up the polysiloxane backbone shielding of high-energy；
(2) C-H is nonpolarity, keeps intermolecular interaction very faint；
(3) Si-O bond distance is longer, and Si-O-Si key bond angles are big；
(4) Si-O keys are the covalent bonds with 50% ionic bond feature (for covalent bond with directionality, ionic bond is non-directional).
Therefore due to the unique structure of organosilicon, inorganic material and the performance of organic material have been had both, there is surface tension
The low, fundamental propertys such as viscosity-temperature coefficient is small, compressibility is high, gas permeability is high, and with high-low temperature resistant, electric insulation, resistance to oxidation
The excellent specific properties such as stability, weatherability, fire retardant, hydrophobic, corrosion-resistant, non-toxic and tasteless and physiological inertia, are widely used in aviation
The industries such as space flight, electric, building, transport, chemical industry, weaving, food, light industry, medical treatment.
Since silica segment has excellent compliance so that organosilicon polymer is maintained under low-temperature condition
It is flexible, greatly strengthens its resistance to low temperature.PVC cable material in the present invention is added organic in basis material polyvinyl chloride resin
Silicones and silicone oil can effectively improve the resistance to low temperature of polyvinyl chloride resin.In addition organic siliconresin due to its structure be net
Network shape structure, therefore the effect that can play network-like plasticising is added in PVC, polyvinyl chloride resin can either be ensured in low temperature
Under the conditions of plasticity, and can mention improve polyvinyl chloride resin mechanical strength effect.Simultaneously compared to small molecule plasticizer, network
The organic siliconresin of shape structure and the silicone oil of long-chain linear, which are entrained in polyvinyl chloride resin to be precipitated in use, to be caused to contain
Amount reduces to which plasticization effect weakens, and organic siliconresin and silicone oil are compounded, its resistance to low temperature can be greatly promoted.
White carbon and nano-calcium carbonate tool in the present invention can be used as filler, can effectively improve the power of polyvinyl chloride resin
Learn performance.Meanwhile polyvinyl chloride effectively can be decomposited the hydrogen chloride absorption come, barrier by addition acid binding agent in polyvinyl chloride resin
Polyvinyl chloride further decomposes so that the ageing-resistant performance of this CABLE MATERIALS further promotes.
Preferably, it is 1800~1650,1650~1500 and 1500-1350 that the polyvinyl chloride resin, which is the degree of polymerization,
The mixture of the polyvinyl chloride resin of three kinds of different polymerization degrees.
Polyvinyl chloride resin in the present invention uses the mixture of the polyvinyl chloride resin of three kinds of different polymerization degrees, and the wherein degree of polymerization is 1800
The mechanical property and flame retardant property of~1650 polyvinyl chloride resin are best, but since its larger resistance to low temperature of molecular weight is poor,
And the polyvinyl chloride resin that the degree of polymerization is 1650~1500 has good mechanical property and resistance to low temperature, and the degree of polymerization is 1500-
Although performance of the mechanical property of 1350 polyvinyl chloride resin in this three is worst, it is resistance to low since molecular weight is relatively low
Warm nature can be best.Therefore the present invention effectively can keep PVC trees by the compounding of the polyvinyl chloride resin of these three different polymerization degrees
Under conditions of the mechanical property of fat, the resistance to low temperature of this PVC cable material is effectively improved.
Preferably, the polyvinyl chloride resin that the degree of polymerization is 1800~1650 in the polyvinyl chloride resin, the degree of polymerization be 1650~
The mass ratio for the polyvinyl chloride resin that 1500 polyvinyl chloride resin and the degree of polymerization is 1500-1350 is 3:5:2.
Preferably, the organic siliconresin is methyl phenyl silicone resin, phenyl in the methyl phenyl silicone resin
Content is 35~50%, and mumber average molar mass is 1500~3500g/mol.
Organic siliconresin in the present invention be methyl phenyl silicone resin its with excellent high and low temperature resistance and mechanics
Performance can effectively ensure that first when phenyl content is 35~50% and mumber average molar mass is 1500~3500g/mol
The mobility and processability of base phenyl polysiloxane, ensure that the mixed performance between polyvinyl chloride resin.Meanwhile working as phenyl
When content is 35~50%, the degree of irregularity highest of strand, therefore compliance at this time is higher, so that having
Machine silicones can achieve the effect that best plasticising at this moment, greatly improve the resistance to low temperature of polyvinyl chloride resin.
Preferably, the white carbon is hydrophobic ultrafine precipitated silica, grain size 500-1500nm.
For hydrophobic ultrafine precipitated silica, it has greatly external surface area and interior table to white carbon in the present invention
Area, being capable of effective Reinforced PVC resin so that the mechanical property of resin greatly promotes.
Preferably, the acid binding agent is in ammonium polyphosphate, diammonium hydrogen phosphate, ammonium dihydrogen phosphate and sodium tripolyphosphate
One kind.
Acid binding agent in the present invention can decompose the hydrogen chloride generated with PVC and be combined, and reach and block polyvinyl chloride resin decomposition
Effect, while this acid binding agent also has flame-retarding characteristic so that the low temperature resistant PVC cable material that the present invention obtains can also be carried effectively
Its high flame retardant property.
Preferably, the lubricant is one in magnesium stearate, calcium stearate, paraffin or cetomacrogol 1000
Kind.
Preferably, the antioxidant is in bisphenol-A, antioxidant CA, antioxidant 264 and triphenyl phosphite
It is a kind of.
Preferably, the areas the double screw extruder Zhong Ge temperature is as follows：1 145 DEG C of area, 150 DEG C of 2nd area, 160 DEG C of 3rd area,
170 DEG C of 4 165 DEG C of areas, 170 DEG C of 5th area, 175 DEG C of head and die orifice.
Therefore, the present invention has the advantages that：
(1) by organic siliconresin and the plasticization effect of silicone oil, the resistance to low temperature of PVC cable material can effectively be improved；
(2) the PVC cable material formula in the present invention is simple, of low cost, can be produced without changing existing equipment just, is suitble to big rule
Mould produces；
(3) obtained PVC cable material of the invention also has good mechanical property, weatherability and flame retardant property.
Specific implementation mode
Technical scheme of the present invention is made to further describe explanation below by specific embodiment.
If saying the raw material that the raw material of use is commonly used in the art without specified otherwise, in the embodiment of the present invention, implement
Method employed in example, is the conventional method of this field.
Embodiment 1
A kind of preparation method of low temperature resistant PVC cable material, the preparation method include the following steps：
(a) by 30 parts of polyvinyl chloride resin that the degree of polymerization is 1800~1650, the degree of polymerization be 1650~1500 50 parts of polyvinyl chloride resin,
The degree of polymerization is that 1 part of 20 parts of polyvinyl chloride resin, 3 parts of ammonium polyphosphate, 1 part of magnesium stearate and the bisphenol-A of 1500-1350 is placed in vacuum and pinches
In conjunction machine, to be mixed under the rate of 800r/min under vacuum state, mixture temperature is controlled at 115 DEG C, after mixing 10min
It is 1000mm that 10 parts of viscosity, which are added,2The dimethicone of/s, Raise vacuum kneader rotating speed continue to mix to 1000r/min
10min。
(b) rotating speed is reduced to 400r/min, and it is 35% that phenyl content, which is then added, mumber average molar mass 1500g/mol
20 parts of methyl phenyl silicone resin, 20 parts of 15 parts of hydrophobic ultrafine precipitated silica, nano-calcium carbonate that grain size is 500nm with
And 20 parts of viscosity are 1000mm2The dimethicone of/s, continues to mix 10min, then increases rotating speed to 1500r/min, continues
30min is mixed, mixture is obtained.
(c) mixture obtained in step (b) is placed in extruding pelletization in double screw extruder, obtains low temperature resistant PVC electricity
Cable material；
Wherein each area's temperature of extruder is as follows：1 145 DEG C of area, 150 DEG C of 2nd area, 160 DEG C of 3rd area, 165 DEG C of 4th area, 5 areas 170
DEG C, 170 DEG C of 175 DEG C of head and die orifice.
Embodiment 2
A kind of preparation method of low temperature resistant PVC cable material, the preparation method include the following steps：
(a) by 30 parts of polyvinyl chloride resin that the degree of polymerization is 1800~1650, the degree of polymerization be 1650~1500 50 parts of polyvinyl chloride resin, polymerization
Degree is that 3 parts of 8 parts of 20 parts of polyvinyl chloride resin, diammonium hydrogen phosphate, the calcium stearate of 1500-1350 and 3 parts of antioxidant CA are placed in vacuum
In kneader, to be mixed under the rate of 800r/min under vacuum state, mixture temperature is controlled at 120 DEG C, mixes 15min
It is 1500mm that 15 parts of viscosity are added afterwards2The long chain alkyl modified silicon oil of/s, Raise vacuum kneader rotating speed to 1000r/min continue
Mix 15min.
(b) rotating speed is reduced to 400r/min, and it is 50% that phenyl content, which is then added, mumber average molar mass 3500g/mol
35 parts of methyl phenyl silicone resin, grain size be 30 parts of 1500nm hydrophobic ultrafines precipitated silica, nano-calcium carbonate Ca45 part with
And 30 parts of viscosity are 1500mm2The long chain alkyl modified silicon oil of/s, continues to mix 10min, then increases rotating speed to 1500r/
Min continues to mix 30min, obtains mixture.
(c) mixture obtained in step (b) is placed in extruding pelletization in double screw extruder, obtains low temperature resistant PVC electricity
Cable material；
Each area's temperature of the extruder is as follows：1 145 DEG C of area, 150 DEG C of 2nd area, 160 DEG C of 3rd area, 165 DEG C of 4th area, 170 DEG C of 5th area, machine
First 175 DEG C and 170 DEG C of die orifice.
Embodiment 3
A kind of preparation method of low temperature resistant PVC cable material, the preparation method include the following steps：
(a) by 30 parts of polyvinyl chloride resin that the degree of polymerization is 1800~1650, the degree of polymerization be 1650~1500 50 parts of polyvinyl chloride resin, polymerization
Degree is that 2 parts of 6 parts of 20 parts of polyvinyl chloride resin, ammonium dihydrogen phosphate, the paraffin of 1500-1350 and 1.5 parts of antioxidant 264 are placed in vacuum and pinch
In conjunction machine, to be mixed under the rate of 800r/min under vacuum state, mixture temperature is controlled at 118 DEG C, after mixing 10min
Addition viscosity is 1200mm210 parts of the ammonia alkyl silicone oil of/s, Raise vacuum kneader rotating speed continue to mix to 1000r/min
15min。
(b) rotating speed is reduced to 400r/min, and it is 40% that phenyl content, which is then added, mumber average molar mass 2500g/mol
30 parts of methyl phenyl silicone resin, grain size be 1000nm 35 parts of 20 parts of hydrophobic ultrafine precipitated silica, nano-calcium carbonate
And viscosity is 1300mm230 parts in the chlorocarbon base modified silicon oil of/s, continue to mix 10min, then increases rotating speed to 1500r/
Min continues to mix 30min, obtains mixture.
(c) mixture obtained in step (b) is placed in extruding pelletization in double screw extruder, obtains low temperature resistant PVC electricity
Cable material；
Each area's temperature of the extruder is as follows：1 145 DEG C of area, 150 DEG C of 2nd area, 160 DEG C of 3rd area, 165 DEG C of 4th area, 170 DEG C of 5th area, machine
First 175 DEG C and 170 DEG C of die orifice.
Embodiment 4
A kind of preparation method of low temperature resistant PVC cable material, the preparation method include the following steps：
(a) by 30 parts of polyvinyl chloride resin that the degree of polymerization is 1800~1650, the degree of polymerization be 1650~1500 50 parts of polyvinyl chloride resin, polymerization
Degree is 2 parts of 4 parts of 20 parts of polyvinyl chloride resin, sodium tripolyphosphate, the cetomacrogol 1000 and 2 parts of triphenyl phosphite of 1500-1350
It being placed in vacuum kneader, to be mixed under the rate of 800r/min under vacuum state, mixture temperature is controlled at 110 DEG C,
20 parts of viscosity are added as 1200mm after mixing 14min2The chlorocarbon base modified silicon oil of/s, Raise vacuum kneader rotating speed to 1000r/
Min continues to mix 10min.
(b) rotating speed is reduced to 400r/min, and it is 45% that phenyl content, which is then added, mumber average molar mass 3500g/mol
25 parts of methyl phenyl silicone resin, grain size be 18 parts of 800nm hydrophobic ultrafines precipitated silica, 35 parts of nano-calcium carbonate and
15 parts of viscosity are 1300mm2The chlorocarbon base modified silicon oil of/s continues to mix 10min, then raising rotating speed to 1500r/min, after
Continuous mixing 30min, obtains mixture.
(c) mixture obtained in step (c) is placed in extruding pelletization in double screw extruder, obtains low temperature resistant PVC electricity
Cable material；
Each area's temperature of the extruder is as follows：1 145 DEG C of area, 150 DEG C of 2nd area, 160 DEG C of 3rd area, 165 DEG C of 4th area, 170 DEG C of 5th area, machine
First 175 DEG C and 170 DEG C of die orifice.
Embodiment 5
A kind of preparation method of low temperature resistant PVC cable material, the preparation method include the following steps：
(a) by 30 parts of polyvinyl chloride resin that the degree of polymerization is 1800~1650, the degree of polymerization be 1650~1500 50 parts of polyvinyl chloride resin, polymerization
Degree is that 1 part of 20 parts of polyvinyl chloride resin, 4 parts of ammonium polyphosphate, calcium stearate 1.5 and the triphenyl phosphite of 1500-1350 is placed in vacuum
In kneader, to be mixed under the rate of 800r/min under vacuum state, mixture temperature is controlled at 110 DEG C, mixes 12min
It is 1200mm that 20 parts of viscosity are added afterwards2The ammonia alkyl silicone oil of/s, Raise vacuum kneader rotating speed continue to mix to 1000r/min
10-15min。
(b) rotating speed is reduced to 400r/min, and it is 40% that phenyl content, which is then added, mumber average molar mass 2500g/mol
35 parts of methyl phenyl silicone resin, grain size be 25 parts of 600nm hydrophobic ultrafines precipitated silica, 25 parts of nano-calcium carbonate and
20 parts of viscosity are 1200mm2The ammonia alkyl silicone oil of/s, continues to mix 10min, then increases rotating speed to 1500r/min, continues to mix
30min is closed, mixture is obtained.
(c) mixture obtained in step (b) is placed in extruding pelletization in double screw extruder, obtains low temperature resistant PVC electricity
Cable material；
Each area's temperature of the extruder is as follows：1 145 DEG C of area, 150 DEG C of 2nd area, 160 DEG C of 3rd area, 165 DEG C of 4th area, 170 DEG C of 5th area, machine
First 175 DEG C and 170 DEG C of die orifice.
To the low temperature resistant PVC cable material obtained by Examples 1 to 5, it is tested for the property, the results are shown in table below.
Low temperature resistant PVC cable material performance obtained by 1 Examples 1 to 5 of table.
| Detection project | Unit | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Tensile strength | MPa | 17.8 | 18.2 | 18.6 | 18.5 | 18.4 |
| Elongation at break | % | 450 | 500 | 480 | 510 | 480 |
| Low-temperature impact brittle temperature | ℃ | - 50 DEG C pass through | - 50 DEG C pass through | - 50 DEG C pass through | - 50 DEG C pass through | - 50 DEG C pass through |
| 200 DEG C of stabilization times | min | ＞ 60 | ＞ 60 | ＞ 60 | ＞ 60 | ＞ 60 |
| 20 DEG C of volume resistivities | Ω·m | 1.35×1012 | 1.38×1012 | 1.42×1012 | 1.41×1012 | 1.38×1012 |
| Dielectric strength | MV/m | 24 | 24 | 25 | 24 | 24 |
| Limit oxygen index | 31.8 | 31.6 | 32.5 | 32.4 | 32.1 | 32.2 |
From the data in upper table it is found that obtained low temperature resistant PVC cable material has outstanding resistance to low temperature and good
Good mechanical property, disclosure satisfy that the normal use under critical conditions.
Claims (9)
1. a kind of preparation method of low temperature resistant PVC cable material, which is characterized in that the preparation method includes the following steps：
（a）1-3 parts of 100 parts of polyvinyl chloride resins, 3-8 parts of acid binding agent, 1-3 parts of lubricant and antioxidant are placed in vacuum kneader
In, to be mixed under the rate of 800r/min under vacuum state, the temperature of mixture is controlled at 115-120 DEG C, mixes 10-
Silicone oil 10-15 is added after 15min, Raise vacuum kneader rotating speed to 1000r/min continues to mix 10-15min；
（b）Rotating speed is reduced to 400r/min, 20-35 parts of organic siliconresin, 15-30 parts of white carbon, nano-calcium carbonate is then added
20-45 parts and 20-30 parts of silicone oil, continue to mix 10min, then increase rotating speed to 1500r/min, continue to mix 30min, obtain
To mixture；
（c）By step（b）In obtained mixture be placed in extruding pelletization in double screw extruder, obtain low temperature resistant PVC cable material.
2. a kind of preparation method of low temperature resistant PVC cable material according to claim 1, which is characterized in that the PVC trees
Fat is the mixing of the polyvinyl chloride resin for three kinds of different polymerization degrees that the degree of polymerization is 1800 ~ 1650,1650 ~ 1500 and 1500-1350
Material.
3. a kind of preparation method of low temperature resistant PVC cable material according to claim 1 or 2, which is characterized in that described
Polyvinyl chloride resin, the polyvinyl chloride resin that the degree of polymerization is 1650 ~ 1500 and the degree of polymerization that the degree of polymerization is 1800 ~ 1650 in polyvinyl chloride resin be
The mass ratio of the polyvinyl chloride resin of 1500-1350 is 3:5:2.
4. a kind of preparation method of low temperature resistant PVC cable material according to claim 1, which is characterized in that described is organic
Silicones is methyl phenyl silicone resin, and phenyl content is 35 ~ 50% in the methyl phenyl silicone resin, and mumber average molar mass is
1500~3500g/mol。
5. a kind of preparation method of low temperature resistant PVC cable material according to claim 1, which is characterized in that the hard charcoal
Black is hydrophobic ultrafine precipitated silica, and grain size is 500-1500 nm.
6. a kind of preparation method of low temperature resistant PVC cable material according to claim 1, which is characterized in that described ties up acid
Agent is one kind in ammonium polyphosphate, diammonium hydrogen phosphate, ammonium dihydrogen phosphate and sodium tripolyphosphate.
7. a kind of preparation method of low temperature resistant PVC cable material according to claim 1, which is characterized in that the lubrication
Agent is one kind in magnesium stearate, calcium stearate, paraffin or cetomacrogol 1000.
8. a kind of preparation method of low temperature resistant PVC cable material according to claim 1, which is characterized in that the antioxygen
Agent is one kind in bisphenol-A, antioxidant CA, antioxidant 264 and triphenyl phosphite.
9. a kind of preparation method of low temperature resistant PVC cable material according to claim 1, which is characterized in that double spiral shells
The areas bar extruder Zhong Ge temperature is as follows：1 145 DEG C of area, 150 DEG C of 2nd area, 160 DEG C of 3rd area, 165 DEG C of 4th area, 170 DEG C of 5th area, 175 DEG C of head
And 170 DEG C of die orifice.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109971089A (en) * | 2019-03-12 | 2019-07-05 | 扬州亚光电缆有限公司 | A kind of low temperature resistant radiation resistance PVC composite material, preparation method and the application in cable product |
| CN110184739A (en) * | 2019-06-18 | 2019-08-30 | 刘涛 | A kind of recyclable polyvinyl chloride cable material of environmental protection and preparation method thereof |
| CN112679881A (en) * | 2020-12-23 | 2021-04-20 | 浙江三诚塑业有限公司 | Polyvinyl chloride thermoplastic elastomer material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260214A (en) * | 2008-04-18 | 2008-09-10 | 宜兴市平平塑料线缆厂 | High cold resistance polyvinyl chloride cable material and preparation method thereof |
| CN102653618A (en) * | 2012-04-12 | 2012-09-05 | 青岛海尔新材料研发有限公司 | Environment-friendly cold-resistant polyvinyl chloride cable material and preparation method thereof |
| CN103524942A (en) * | 2013-10-12 | 2014-01-22 | 绿宝电缆（集团）有限公司 | Flexible polyvinyl chloride (PVC) soft cable material |
-
2018
- 2018-06-15 CN CN201810623761.0A patent/CN108659408A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260214A (en) * | 2008-04-18 | 2008-09-10 | 宜兴市平平塑料线缆厂 | High cold resistance polyvinyl chloride cable material and preparation method thereof |
| CN102653618A (en) * | 2012-04-12 | 2012-09-05 | 青岛海尔新材料研发有限公司 | Environment-friendly cold-resistant polyvinyl chloride cable material and preparation method thereof |
| CN103524942A (en) * | 2013-10-12 | 2014-01-22 | 绿宝电缆（集团）有限公司 | Flexible polyvinyl chloride (PVC) soft cable material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109971089A (en) * | 2019-03-12 | 2019-07-05 | 扬州亚光电缆有限公司 | A kind of low temperature resistant radiation resistance PVC composite material, preparation method and the application in cable product |
| CN110184739A (en) * | 2019-06-18 | 2019-08-30 | 刘涛 | A kind of recyclable polyvinyl chloride cable material of environmental protection and preparation method thereof |
| CN112679881A (en) * | 2020-12-23 | 2021-04-20 | 浙江三诚塑业有限公司 | Polyvinyl chloride thermoplastic elastomer material and preparation method thereof |
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Application publication date: 20181016 |