CN105802227B - A kind of cable insulating materials and preparation method thereof - Google Patents
A kind of cable insulating materials and preparation method thereof Download PDFInfo
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- CN105802227B CN105802227B CN201610226825.4A CN201610226825A CN105802227B CN 105802227 B CN105802227 B CN 105802227B CN 201610226825 A CN201610226825 A CN 201610226825A CN 105802227 B CN105802227 B CN 105802227B
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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
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/04—Polysulfides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
-
- 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
- H01B3/42—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 polyesters; polyethers; polyacetals
- H01B3/421—Polyesters
- H01B3/422—Linear saturated polyesters derived from dicarboxylic acids and dihydroxy compounds
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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
- H01B3/42—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 polyesters; polyethers; polyacetals
- H01B3/421—Polyesters
- H01B3/426—Polycarbonates
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a kind of cable insulating materials and preparation method thereof, are made from the following raw materials in parts by weight：55 65 parts of polysulfide rubber, 50 60 parts of adipic acid propanediol polyester, 45 55 parts of dibutyl sebacate, 45 55 parts of polycarbonate resin, 30 40 parts of benzoyl peroxide butyl acetate, 25 35 parts of peroxidating phenyl-diformyl, 20 30 parts of polyethylene, 20 30 parts of glass fibre, 15 25 parts of isooctyl acid glycidol ether, 15 25 parts of chloroplatinic acid, 10 20 parts of talcum powder, 5 15 parts of coupling agent, 5 15 parts of antioxidant, so as to realize so that the insulating materials being prepared has the effect of good weatherability and have both insect prevention biting.Meanwhile also disclosing corresponding preparation method.
Description
Technical field
The present invention relates to technical field of composite materials, and in particular to a kind of cable insulating materials and preparation method thereof.
Background technology
Insulating materials be for making device in the material electrically to insulate, that is, can prevent electric current by material.
Its resistivity is very high.It is generally synthetic resin, is added by synthetic resin and filler, plasticizer, stabilizer, lubricant, colorant etc.
Agent is added to form, by adding different components, to which the insulating materials of different performance be made.Specific on common cable,
It can not only play the role of insulation, moreover it is possible to play the role of heat-insulated antistatic, once the insulating layer in the outer layer of metal core goes out
Existing breakage can then greatly reduce the performance of cable.
Currently, the domestic common material of main part as cable insulation has neoprene, chlorosulfonated polyethylene sizing material etc..
However each material has it to apply upper defect, for example, the resistance to low temperature of chlorosulfonated polyethylene sizing material, incompressible permanent change
Shape performance, heat aging performance be not high, while when temperature is relatively low, material itself is harder, elasticity is low, brittleness is big, anti-tear performance
It is low.Current existing composite insulating material often due to aforementioned body material limitation, it is extreme that long-time service, tolerance is not achieved
The requirement of condition, also there are many insufficient for the performance of itself.Therefore, it is badly in need of a kind of novel cable having good characteristic of exploitation with absolutely
Edge material.
Invention content
In order to solve the above technical problems, a kind of cable insulating materials of present invention offer and preparation method thereof, by using
Specified raw material is combined, and coordinates corresponding production technology, has obtained a kind of new insulation material, and weatherability is excellent, and anti-
Worm bites, and has a good application prospect.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of cable insulating materials, is made from the following raw materials in parts by weight：55-65 parts of polysulfide rubber, adipic acid the third two
50-60 parts of alcohol polyester, 45-55 parts of dibutyl sebacate, 45-55 parts of polycarbonate resin, benzoyl peroxide butyl acetate 30-
40 parts, 25-35 parts of peroxidating phenyl-diformyl, 20-30 parts of polyethylene, 20-30 parts of glass fibre, isooctyl acid glycidol ether 15-
25 parts, 15-25 parts of chloroplatinic acid, 10-20 parts of talcum powder, 5-15 parts of coupling agent, 5-15 parts of antioxidant.
Preferably, relative density of the polycarbonate resin at 25 DEG C is 1.15.
Preferably, the one kind of the coupling agent in titanate coupling agent, aluminate coupling agent, bimetallic coupling agent
Or it is several.
Preferably, the antioxidant is selected from p-phenylenediamine, 2,6- di-tert-butyl-4-methy phenols, dihydroquinoline
One or more.
The preparation method of the cable insulating materials, includes the following steps：
（1）Each raw material is weighed according to parts by weight；
（2）Polysulfide rubber, peroxidating phenyl-diformyl, isooctyl acid glycidol ether, chloroplatinic acid are mixed, kneading machine is added,
It is kneaded 5-10 minutes at 95-105 DEG C；
（3）Glass fibre, talcum powder, coupling agent, antioxidant are added into the mixture after mixing, is placed in ball in ball mill
Mill is uniform, and polyethylene is then added and continues to mix, obtains mixture；
（4）Adipic acid propanediol polyester, dibutyl sebacate, polycarbonate resin, peroxidating is added into mixture again
Benzoylacetic acid butyl ester is uniformly mixed at 85-95 DEG C, is squeezed out through double screw extruder, dry, pelletizing, is obtained finished product.
Preferably, the step（4）The set temperature of each region is in middle double screw extruder：One 175 ~ 190 DEG C of area,
Two 213 ~ 217 DEG C of areas, three 225 ~ 228 DEG C of areas, 4th area are 205 ~ 215 DEG C, five 185 ~ 205 DEG C of areas；Extrusion temperature is 155 ~ 165
DEG C, extrusion rotating speed is 185 ~ 230r/min.
Compared with prior art, the present invention advantage is：
（1）The insulating materials of the present invention is with polysulfide rubber, adipic acid propanediol polyester, dibutyl sebacate, makrolon
Resin is main component, by the way that benzoyl peroxide butyl acetate, peroxidating phenyl-diformyl, polyethylene, glass fibre, different is added
Sad glycidol ether, chloroplatinic acid, talcum powder, coupling agent, antioxidant are aided with the works such as mixing, ball milling, extrusion, drying, granulation
Skill so that the insulating materials being prepared has good weatherability, and insect prevention is bitten.
（2）The insulating materials raw material of the present invention is cheap, simple for process, is suitable for heavy industrialization and uses, highly practical.
Specific implementation mode
The technical solution of invention is described in detail with reference to specific embodiment.
Embodiment 1
（1）According to parts by weight weigh 55 parts of polysulfide rubber, 50 parts of adipic acid propanediol polyester, 45 parts of dibutyl sebacate,
45 parts of polycarbonate resin, 30 parts of benzoyl peroxide butyl acetate, 25 parts of peroxidating phenyl-diformyl, 20 parts of polyethylene, glass
20 parts of fiber, 15 parts of isooctyl acid glycidol ether, 15 parts of chloroplatinic acid, 10 parts of talcum powder, 5 parts of titanate coupling agent, p-phenylenediamine 5
Part.
（2）Polysulfide rubber, peroxidating phenyl-diformyl, isooctyl acid glycidol ether, chloroplatinic acid are mixed, kneading machine is added,
It is kneaded 5 minutes at 95 DEG C.
（3）Glass fibre, talcum powder, titanate coupling agent, p-phenylenediamine are added into the mixture after mixing, is placed in ball
Then ball milling in grinding machine is added polyethylene and continues to mix, obtains mixture.
（4）Adipic acid propanediol polyester, dibutyl sebacate, polycarbonate resin, peroxidating is added into mixture again
Benzoylacetic acid butyl ester is uniformly mixed at 85 DEG C.Set the temperature of each region in double screw extruder as：One 175 DEG C of area,
Two 213 DEG C of areas, three 225 DEG C of areas, 4th area are 205 DEG C, five 185 DEG C of areas；Extrusion temperature is 155 DEG C, and extrusion rotating speed is 185r/
min.Then it is squeezed out through double screw extruder, dry, pelletizing, obtains finished product.
The performance test results of insulating materials obtained are as shown in table 1.
Embodiment 2
（1）According to parts by weight weigh 50 parts of polysulfide rubber, 55 parts of adipic acid propanediol polyester, 50 parts of dibutyl sebacate,
50 parts of polycarbonate resin, 35 parts of benzoyl peroxide butyl acetate, 30 parts of peroxidating phenyl-diformyl, 25 parts of polyethylene, glass
25 parts of fiber, 20 parts of isooctyl acid glycidol ether, 20 parts of chloroplatinic acid, 15 parts of talcum powder, 10 parts of aluminate coupling agent, bis- uncles of 2,6-
10 parts of butyl -4- methylphenols.
（2）Polysulfide rubber, peroxidating phenyl-diformyl, isooctyl acid glycidol ether, chloroplatinic acid are mixed, kneading machine is added,
It is kneaded 7 minutes at 100 DEG C.
（3）Glass fibre, talcum powder, aluminate coupling agent, 2,6- di-t-butyls -4- are added into the mixture after mixing
Methylphenol is placed in ball milling in ball mill, and polyethylene is then added and continues to mix, obtains mixture.
（4）Adipic acid propanediol polyester, dibutyl sebacate, polycarbonate resin, peroxidating is added into mixture again
Benzoylacetic acid butyl ester is uniformly mixed at 90 DEG C.Set the temperature of each region in double screw extruder as：One 185 DEG C of area,
Two 215 DEG C of areas, three 227 DEG C of areas, 4th area are 210 DEG C, five 195 DEG C of areas；Extrusion temperature is 160 DEG C, and extrusion rotating speed is 205r/
min.Then it is squeezed out through double screw extruder, dry, pelletizing, obtains finished product.
The performance test results of insulating materials obtained are as shown in table 1.
Embodiment 3
（1）According to parts by weight weigh 65 parts of polysulfide rubber, 60 parts of adipic acid propanediol polyester, 55 parts of dibutyl sebacate,
55 parts of polycarbonate resin, 40 parts of benzoyl peroxide butyl acetate, 35 parts of peroxidating phenyl-diformyl, 30 parts of polyethylene, glass
30 parts of fiber, 25 parts of isooctyl acid glycidol ether, 25 parts of chloroplatinic acid, 20 parts of talcum powder, 15 parts of bimetallic coupling agent, dihydroquinoline
15 parts.
（2）Polysulfide rubber, peroxidating phenyl-diformyl, isooctyl acid glycidol ether, chloroplatinic acid are mixed, kneading machine is added,
It is kneaded 10 minutes at 105 DEG C.
（3）Glass fibre, talcum powder, bimetallic coupling agent, dihydroquinoline are added into the mixture after mixing, is placed in ball
Then ball milling in grinding machine is added polyethylene and continues to mix, obtains mixture.
（4）Adipic acid propanediol polyester, dibutyl sebacate, polycarbonate resin, peroxidating is added into mixture again
Benzoylacetic acid butyl ester is uniformly mixed at 95 DEG C.Set the temperature of each region in double screw extruder as：One 190 DEG C of area,
Two 217 DEG C of areas, three 228 DEG C of areas, 4th area are 215 DEG C, five 205 DEG C of areas；Extrusion temperature is 165 DEG C, and extrusion rotating speed is 230r/
min.Then it is squeezed out through double screw extruder, dry, pelletizing, obtains finished product.
The performance test results of insulating materials obtained are as shown in table 1.
Embodiment 4
（1）According to parts by weight weigh 55 parts of polysulfide rubber, 60 parts of adipic acid propanediol polyester, 45 parts of dibutyl sebacate,
55 parts of polycarbonate resin, 30 parts of benzoyl peroxide butyl acetate, 35 parts of peroxidating phenyl-diformyl, 20 parts of polyethylene, glass
30 parts of fiber, 15 parts of isooctyl acid glycidol ether, 25 parts of chloroplatinic acid, 10 parts of talcum powder, 15 parts of aluminate coupling agent, p-phenylenediamine
5 parts.
（2）Polysulfide rubber, peroxidating phenyl-diformyl, isooctyl acid glycidol ether, chloroplatinic acid are mixed, kneading machine is added,
It is kneaded 10 minutes at 95 DEG C.
（3）Glass fibre, talcum powder, aluminate coupling agent, p-phenylenediamine are added into the mixture after mixing, is placed in ball
Then ball milling in grinding machine is added polyethylene and continues to mix, obtains mixture.
（4）Adipic acid propanediol polyester, dibutyl sebacate, polycarbonate resin, peroxidating is added into mixture again
Benzoylacetic acid butyl ester is uniformly mixed at 85 DEG C.Set the temperature of each region in double screw extruder as：One 190 DEG C of area,
Two 213 DEG C of areas, three 228 DEG C of areas, 4th area are 205 DEG C, five 205 DEG C of areas；Extrusion temperature is 155 DEG C, and extrusion rotating speed is 230r/
min.Then it is squeezed out through double screw extruder, dry, pelletizing, obtains finished product.
The performance test results of insulating materials obtained are as shown in table 1.
Comparative example 1
（1）55 parts of polysulfide rubber, 45 parts of dibutyl sebacate, 45 parts of polycarbonate resin, peroxide are weighed according to parts by weight
Change 30 parts of benzoylacetic acid butyl ester, 25 parts of peroxidating phenyl-diformyl, 20 parts of polyethylene, 15 parts of isooctyl acid glycidol ether, chlorine platinum
15 parts of acid, 10 parts of talcum powder, 5 parts of titanate coupling agent, 5 parts of p-phenylenediamine.
（2）Polysulfide rubber, peroxidating phenyl-diformyl, isooctyl acid glycidol ether, chloroplatinic acid are mixed, kneading machine is added,
It is kneaded 5 minutes at 95 DEG C.
（3）Talcum powder, titanate coupling agent, p-phenylenediamine are added into the mixture after mixing, is placed in ball in ball mill
Mill is uniform, and polyethylene is then added and continues to mix, obtains mixture.
（4）Dibutyl sebacate, polycarbonate resin, benzoyl peroxide butyl acetate is added into mixture again, in
It is uniformly mixed at 85 DEG C.Set the temperature of each region in double screw extruder as：One 175 DEG C of area, two 213 DEG C of areas, three areas 225
DEG C, 4th area are 205 DEG C, five 185 DEG C of areas；Extrusion temperature is 155 DEG C, and extrusion rotating speed is 185r/min.Then it is squeezed through twin-screw
Go out machine extrusion, dry, pelletizing, obtains finished product.
The performance test results of insulating materials obtained are as shown in table 1.
Comparative example 2
（1）According to parts by weight weigh 65 parts of polysulfide rubber, 60 parts of adipic acid propanediol polyester, 55 parts of polycarbonate resin,
35 parts of peroxidating phenyl-diformyl, 30 parts of glass fibre, 25 parts of isooctyl acid glycidol ether, 25 parts of chloroplatinic acid, is slided 30 parts of polyethylene
20 parts of mountain flour, 15 parts of bimetallic coupling agent, 15 parts of dihydroquinoline.
（2）Polysulfide rubber, peroxidating phenyl-diformyl, isooctyl acid glycidol ether, chloroplatinic acid are mixed, kneading machine is added,
It is kneaded 10 minutes at 105 DEG C.
（3）Glass fibre, talcum powder, bimetallic coupling agent, dihydroquinoline are added into the mixture after mixing, is placed in ball
Then ball milling in grinding machine is added polyethylene and continues to mix, obtains mixture.
（4）Adipic acid propanediol polyester, polycarbonate resin is added into mixture again, is uniformly mixed at 95 DEG C.If
The temperature for determining each region in double screw extruder is：One 190 DEG C of area, two 217 DEG C of areas, three 228 DEG C of areas, 4th area are 215 DEG C,
Five 205 DEG C of areas；Extrusion temperature is 165 DEG C, and extrusion rotating speed is 230r/min.Then it is squeezed out through double screw extruder, is dry, cut
Grain, obtains finished product.
The performance test results of insulating materials obtained are as shown in table 1.
The insulating materials of embodiment 1-4 and comparative example 1-2 are exposed into same time in atmospheric environment exposure test field respectively
Its weatherability is tested, and index is bitten into the test insect prevention of above-mentioned insulating materials（+++ it is fabulous to indicate that effect is bitten in insect prevention, ++ indicate anti-
It is preferable that worm bites effect ,+to indicate that effect is bitten in insect prevention general ,-indicate that effect is bitten in no insect prevention）.
Table 1
| Material surface cracking breakout | Insulation resistance rate of descent | Intensity grade evaluation is bitten in insect prevention | |
| Embodiment 1 | 17.66% | 10.34% | +++ |
| Embodiment 2 | 16.50% | 11.29% | ++ |
| Embodiment 3 | 18.74% | 10.55% | ++ |
| Embodiment 4 | 17.01% | 10.68% | +++ |
| Comparative example 1 | 35.88% | 27.91% | - |
| Comparative example 2 | 32.29% | 26.43% | - |
The present invention with polysulfide rubber, adipic acid propanediol polyester, dibutyl sebacate, polycarbonate resin be mainly at
Point, by the way that benzoyl peroxide butyl acetate, peroxidating phenyl-diformyl, polyethylene, glass fibre, isooctyl acid glycidol is added
Ether, chloroplatinic acid, talcum powder, coupling agent, antioxidant are aided with the techniques such as mixing, ball milling, extrusion, drying, granulation so that prepare and
At insulating materials there is good weatherability, and insect prevention is bitten, and application prospect is good, has good social benefit.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (2)
1. a kind of cable insulating materials, it is characterised in that：It is made from the following raw materials in parts by weight：55-65 parts of polysulfide rubber, oneself
50-60 parts of diacid propanediol polyester, 45-55 parts of dibutyl sebacate, 45-55 parts of polycarbonate resin, benzoyl peroxide vinegar
30-40 parts of acid butyl ester, 25-35 parts of peroxidating phenyl-diformyl, 20-30 parts of polyethylene, 20-30 parts of glass fibre, isooctyl acid shrink
15-25 parts of glycerin ether, 15-25 parts of chloroplatinic acid, 10-20 parts of talcum powder, 5-15 parts of coupling agent, 5-15 parts of antioxidant, described is poly-
Relative density of the carbonate resin at 25 DEG C be 1.15, the coupling agent be selected from titanate coupling agent, aluminate coupling agent,
One or more of bimetallic coupling agent, the antioxidant are selected from p-phenylenediamine, 2,6- di-t-butyl -4- methylbenzenes
One or more of phenol, dihydroquinoline.
2. the preparation method of cable insulating materials according to claim 1, which is characterized in that include the following steps：
（1）Each raw material is weighed according to parts by weight；
（2）Polysulfide rubber, peroxidating phenyl-diformyl, isooctyl acid glycidol ether, chloroplatinic acid are mixed, kneading machine is added, in 95-
It is kneaded 5-10 minutes at 105 DEG C；
（3）Glass fibre, talcum powder, coupling agent, antioxidant are added into the mixture after mixing, it is equal to be placed in ball milling in ball mill
It is even, polyethylene is then added and continues to mix, obtains mixture；
（4）Adipic acid propanediol polyester, dibutyl sebacate, polycarbonate resin, benzoyl peroxide first is added into mixture again
Acyl butyl acetate is uniformly mixed at 85-95 DEG C, is squeezed out through double screw extruder, dry, pelletizing, is obtained finished product, twin-screw
The set temperature of each region is in extruder：One 175 ~ 190 DEG C of area, two 213 ~ 217 DEG C of areas, three 225 ~ 228 DEG C of areas, 4th area are
205 ~ 215 DEG C, five 185 ~ 205 DEG C of areas；Extrusion temperature is 155 ~ 165 DEG C, and extrusion rotating speed is 185 ~ 230r/min.
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| CN101768311A (en) * | 2009-12-28 | 2010-07-07 | 佛山市顺德区凯华电器实业有限公司 | Rubber cable insulation material and manufacturing method thereof |
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| CN101768311A (en) * | 2009-12-28 | 2010-07-07 | 佛山市顺德区凯华电器实业有限公司 | Rubber cable insulation material and manufacturing method thereof |
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