CN105694159B - A kind of high-temperature fibre reinforced insulation material and preparation method thereof - Google Patents

A kind of high-temperature fibre reinforced insulation material and preparation method thereof Download PDF

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CN105694159B
CN105694159B CN201610226913.4A CN201610226913A CN105694159B CN 105694159 B CN105694159 B CN 105694159B CN 201610226913 A CN201610226913 A CN 201610226913A CN 105694159 B CN105694159 B CN 105694159B
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CN105694159A (en
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孙政良
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XUJUE ELECTRICIAN Co.,Ltd.
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Xie Lingwei
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L11/00—Compositions of homopolymers or copolymers of chloroprene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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
    • 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
    • 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
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a kind of high-temperature fibre reinforced insulation materials and preparation method thereof, are made from the following raw materials in parts by weight：50-65 parts of neoprene, 40-55 parts of ethylene propylene diene rubber, 40-55 parts of transparent butadiene-styrene impact resin, 35-45 parts of polycarbonate resin, 35-45 parts of methyl hydroxybenzoate, 30-40 parts of peroxidating phenyl-diformyl, 25-35 parts of linear low density polypropylene, 20-30 parts of polyimide fiber, 15-25 parts of polydimethyldiphenylsiloxane, 10-15 parts of hydroxy silicon oil, 10-15 parts of white carbon, 5-15 parts of coupling agent, 5-10 parts of antioxidant, so as to realize so that the insulating materials being prepared has the advantages that be resistant to high temperature, and has higher mechanical strength.Meanwhile also disclosing corresponding preparation method.

Description

A kind of high-temperature fibre reinforced insulation material and preparation method thereof
Technical field
The present invention relates to technical field of composite materials, and in particular to a kind of high-temperature fibre reinforced insulation material and its preparation Method.
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 developing a kind of New insulated material having good characteristic Material.
Invention content
In order to solve the above technical problems, a kind of high-temperature fibre reinforced insulation material of present invention offer and preparation method thereof, It is combined by using specified raw material, coordinates corresponding production technology, obtained a kind of new insulation material, there is tolerance The advantages of high temperature, and there is higher mechanical strength, it has a good application prospect.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of high-temperature fibre reinforced insulation material, is made from the following raw materials in parts by weight：50-65 parts of neoprene, three First EP rubbers 40-55 parts, 40-55 parts of transparent butadiene-styrene impact resin, 35-45 parts of polycarbonate resin, methyl hydroxybenzoate 35-45 Part, 30-40 parts of peroxidating phenyl-diformyl, 25-35 parts of linear low density polypropylene, 20-30 parts of polyimide fiber, poly dimethyl 15-25 parts of diphenyl siloxane, 10-15 parts of hydroxy silicon oil, 10-15 parts of white carbon, 5-15 parts of coupling agent, 5-10 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 high-temperature fibre reinforced insulation material, includes the following steps：
（1）Each raw material is weighed according to parts by weight；
（2）By neoprene, ethylene propylene diene rubber, polyimide fiber, polydimethyldiphenylsiloxane, hydroxy silicon oil Mixing is added kneading machine, is kneaded 5-10 minutes at 95-105 DEG C；
（3）White carbon, coupling agent, antioxidant are added into the mixture after mixing, is placed in ball milling in ball mill, so Linear low density polypropylene is added afterwards to continue to mix, obtains mixture；
（4）Transparent butadiene-styrene impact resin, polycarbonate resin, methyl hydroxybenzoate, benzoyl peroxide two is added into mixture again Formyl 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 neoprene, ethylene propylene diene rubber, transparent butadiene-styrene impact resin, makrolon Resin is main component, by be added methyl hydroxybenzoate, peroxidating phenyl-diformyl, linear low density polypropylene, polyimide fiber, Polydimethyldiphenylsiloxane, hydroxy silicon oil, white carbon, coupling agent, antioxidant are aided with mixing, ball milling, extrusion, drying, make The techniques such as grain so that the insulating materials being prepared has good high temperature resistance and mechanical strength.
（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 50 parts of neoprene, 40 parts of ethylene propylene diene rubber, 40 parts of transparent butadiene-styrene impact resin, 35 parts of polycarbonate resin, 35 parts of methyl hydroxybenzoate, 30 parts of peroxidating phenyl-diformyl, 25 parts of linear low density polypropylene, polyamides are sub- 20 parts of amine fiber, 15 parts of polydimethyldiphenylsiloxane, 10 parts of hydroxy silicon oil, 10 parts of white carbon, 5 parts of titanate coupling agent, 5 parts of p-phenylenediamine.
（2）By neoprene, ethylene propylene diene rubber, polyimide fiber, polydimethyldiphenylsiloxane, hydroxy silicon oil Mixing is added kneading machine, is kneaded 5 minutes at 95 DEG C.
（3）White carbon, titanate coupling agent, p-phenylenediamine are added into the mixture after mixing, is placed in ball in ball mill Mill is uniform, and linear low density polypropylene is then added and continues to mix, obtains mixture.
（4）Transparent butadiene-styrene impact resin, polycarbonate resin, methyl hydroxybenzoate, benzoyl peroxide two is added into mixture again Formyl 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 passes through Double screw extruder extrusion, dry, pelletizing, obtain 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 60 parts of neoprene, 45 parts of ethylene propylene diene rubber, 50 parts of transparent butadiene-styrene impact resin, 40 parts of polycarbonate resin, 40 parts of methyl hydroxybenzoate, 35 parts of peroxidating phenyl-diformyl, 30 parts of linear low density polypropylene, polyamides are sub- 25 parts of amine fiber, 20 parts of polydimethyldiphenylsiloxane, 13 parts of hydroxy silicon oil, 13 parts of white carbon, 10 parts of aluminate coupling agent, 7 parts of 2,6 di tert butyl 4 methyl phenol.
（2）By neoprene, ethylene propylene diene rubber, polyimide fiber, polydimethyldiphenylsiloxane, hydroxy silicon oil Mixing is added kneading machine, is kneaded 7 minutes at 100 DEG C.
（3）White carbon, aluminate coupling agent, 2,6- di-tert-butyl-4-methy phenols are added into the mixture after mixing, It is placed in ball milling in ball mill, linear low density polypropylene is then added and continues to mix, obtains mixture.
（4）Transparent butadiene-styrene impact resin, polycarbonate resin, methyl hydroxybenzoate, benzoyl peroxide two is added into mixture again Formyl 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 passes through Double screw extruder extrusion, dry, pelletizing, obtain 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 neoprene, 55 parts of ethylene propylene diene rubber, 55 parts of transparent butadiene-styrene impact resin, 45 parts of polycarbonate resin, 45 parts of methyl hydroxybenzoate, 40 parts of peroxidating phenyl-diformyl, 35 parts of linear low density polypropylene, polyamides are sub- 30 parts of amine fiber, 25 parts of polydimethyldiphenylsiloxane, 15 parts of hydroxy silicon oil, 15 parts of white carbon, 15 parts of bimetallic coupling agent, 10 parts of dihydroquinoline.
（2）By neoprene, ethylene propylene diene rubber, polyimide fiber, polydimethyldiphenylsiloxane, hydroxy silicon oil Mixing is added kneading machine, is kneaded 10 minutes at 105 DEG C.
（3）White carbon, bimetallic coupling agent, dihydroquinoline are added into the mixture after mixing, is placed in ball in ball mill Mill is uniform, and linear low density polypropylene is then added and continues to mix, obtains mixture.
（4）Transparent butadiene-styrene impact resin, polycarbonate resin, methyl hydroxybenzoate, benzoyl peroxide two is added into mixture again Formyl 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 passes through double Screw extruder extrusion, dry, pelletizing, obtain 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 50 parts of neoprene, 55 parts of ethylene propylene diene rubber, 40 parts of transparent butadiene-styrene impact resin, 45 parts of polycarbonate resin, 35 parts of methyl hydroxybenzoate, 40 parts of peroxidating phenyl-diformyl, 25 parts of linear low density polypropylene, polyamides are sub- 30 parts of amine fiber, 15 parts of polydimethyldiphenylsiloxane, 15 parts of hydroxy silicon oil, 10 parts of white carbon, 5 parts of aluminate coupling agent, 10 parts of p-phenylenediamine.
（2）By neoprene, ethylene propylene diene rubber, polyimide fiber, polydimethyldiphenylsiloxane, hydroxy silicon oil Mixing is added kneading machine, is kneaded 10 minutes at 95 DEG C.
（3）White carbon, aluminate coupling agent, p-phenylenediamine are added into the mixture after mixing, is placed in ball in ball mill Mill is uniform, and linear low density polypropylene is then added and continues to mix, obtains mixture.
（4）Transparent butadiene-styrene impact resin, polycarbonate resin, methyl hydroxybenzoate, benzoyl peroxide two is added into mixture again Formyl 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 passes through Double screw extruder extrusion, dry, pelletizing, obtain finished product.
The performance test results of insulating materials obtained are as shown in table 1.
Comparative example 1
（1）50 parts of neoprene, 40 parts of ethylene propylene diene rubber, 35 parts of polycarbonate resin, oxybenzene are weighed according to parts by weight 35 parts of methyl esters, 30 parts of peroxidating phenyl-diformyl, 25 parts of linear low density polypropylene, 20 parts of polyimide fiber, poly dimethyl two 15 parts of phenyl siloxane, 10 parts of white carbon, 5 parts of titanate coupling agent, 5 parts of p-phenylenediamine.
（2）Neoprene, ethylene propylene diene rubber, polyimide fiber, polydimethyldiphenylsiloxane are mixed, are added Kneading machine is kneaded 5 minutes at 95 DEG C.
（3）White carbon, titanate coupling agent, p-phenylenediamine are added into the mixture after mixing, is placed in ball in ball mill Mill is uniform, and linear low density polypropylene is then added and continues to mix, obtains mixture.
（4）Polycarbonate resin, methyl hydroxybenzoate, peroxidating phenyl-diformyl is added into mixture again, is mixed at 85 DEG C Uniformly.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 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 2
（1）According to parts by weight weigh 65 parts of neoprene, 55 parts of transparent butadiene-styrene impact resin, 45 parts of polycarbonate resin, 45 parts of methyl hydroxybenzoate, 35 parts of linear low density polypropylene, 30 parts of polyimide fiber, 25 parts of polydimethyldiphenylsiloxane, 15 parts of hydroxy silicon oil, 15 parts of white carbon, 15 parts of bimetallic coupling agent, 10 parts of dihydroquinoline.
（2）Neoprene, polyimide fiber, polydimethyldiphenylsiloxane, hydroxy silicon oil are mixed, is added and is kneaded Machine is kneaded 10 minutes at 105 DEG C.
（3）White carbon, bimetallic coupling agent, dihydroquinoline are added into the mixture after mixing, is placed in ball in ball mill Mill is uniform, and linear low density polypropylene is then added and continues to mix, obtains mixture.
（4）Transparent butadiene-styrene impact resin, polycarbonate resin, methyl hydroxybenzoate is added into mixture again, is mixed at 95 DEG C It closes uniform.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 It is 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 through double screw extruder Go out, dry, pelletizing, obtaining 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 tested to its high temperature resistance and mechanical strength respectively.
Table 1
Highest tolerable temperature（℃） Tensile strength（MPa） Elongation at break
Embodiment 1 830 77.8 71.3%
Embodiment 2 810 76.9 70.8%
Embodiment 3 850 73.1 74.2%
Embodiment 4 835 70.5 69.0%
Comparative example 1 560 55.2 42.8%
Comparative example 2 520 50.8 45.7%
The present invention with neoprene, ethylene propylene diene rubber, transparent butadiene-styrene impact resin, polycarbonate resin be mainly at Point, by the way that methyl hydroxybenzoate, peroxidating phenyl-diformyl, linear low density polypropylene, polyimide fiber, poly dimethyl hexichol is added Radical siloxane, hydroxy silicon oil, white carbon, coupling agent, antioxidant are aided with the preparation of the techniques such as mixing, ball milling, extrusion, drying, granulation Obtained insulating materials is measured through experiment, has excellent high temperature resistance and mechanical strength, and application prospect is good, is had 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 (1)

1. a kind of preparation method of high-temperature fibre reinforced insulation material, which is characterized in that include the following steps：
（1）50-65 parts of neoprene, 40-55 parts of ethylene propylene diene rubber, transparent butadiene-styrene impact resin 40- are weighed according to parts by weight 55 parts, 35-45 parts of polycarbonate resin, 35-45 parts of methyl hydroxybenzoate, 30-40 parts of peroxidating phenyl-diformyl, linea low density poly- third It is 25-35 parts of alkene, 20-30 parts of polyimide fiber, 15-25 parts of polydimethyldiphenylsiloxane, 10-15 parts of hydroxy silicon oil, white 10-15 parts of carbon black, 5-15 parts of bimetallic coupling agent, 5-10 parts of dihydroquinoline, phase of the polycarbonate resin at 25 DEG C It is 1.15 to density；
（2）Neoprene, ethylene propylene diene rubber, polyimide fiber, polydimethyldiphenylsiloxane, hydroxy silicon oil are mixed It closes, kneading machine is added, is kneaded 5-10 minutes at 95-105 DEG C；
（3）White carbon, bimetallic coupling agent, dihydroquinoline are added into the mixture after mixing, it is equal to be placed in ball milling in ball mill It is even, linear low density polypropylene is then added and continues to mix, obtains mixture；
（4）Transparent butadiene-styrene impact resin, polycarbonate resin, methyl hydroxybenzoate, peroxidating phenyl-diformyl is added into mixture again, It is uniformly mixed at 85-95 DEG C, is squeezed out through double screw extruder, is dry, pelletizing, obtain finished product, it is each in double screw extruder The set temperature in region is：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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CN104893109A (en) * 2015-03-31 2015-09-09 德柔电缆（上海）有限公司 Electro-insulating rubber and manufacturing method thereof, and cable manufactured from electro-insulating rubber
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