CN107033519A - It is a kind of for insulating materials of cable and preparation method thereof - Google Patents
It is a kind of for insulating materials of cable and preparation method thereof Download PDFInfo
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- CN107033519A CN107033519A CN201710403016.0A CN201710403016A CN107033519A CN 107033519 A CN107033519 A CN 107033519A CN 201710403016 A CN201710403016 A CN 201710403016A CN 107033519 A CN107033519 A CN 107033519A
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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
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- 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
-
- 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
-
- 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
- B29C2948/9258—Velocity
-
- 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
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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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Abstract
The invention discloses a kind of for insulating materials of cable and preparation method thereof, and in particular to for field of cable technology, the insulating materials for cable includes the component of following parts by weight：30~45 parts of high density polyethylene (HDPE), 3~7 parts of initiator, 2~5 parts of grafting agent, 20~30 parts of low density polyethylene (LDPE), 1~6 part of catalyst, 1~6 part of antioxidant, 2~3 parts of Nano Silver powder, 2~4 parts of defoamer, 10~15 parts of stearic acid, 5~8 parts of nylon, 3~8 parts of modified graphene oxide, 1~2 part of titanium dioxide, 1~2 part of ultra-violet absorber, be used for cable described in appropriate amount of water insulating materials wearability and bending resistance it is relatively good, corrosion resistance is good, service life is long, the preparation method is simple, is adapted to promote.
Description
Technical field
The invention belongs to field of cable technology, and in particular to a kind of for insulating materials of cable and preparation method thereof.
Background technology
The major defect of polyethylene manufacture wire cable insulating material is that poor heat resistance, easy firing, ageing resistace are not
Very well, in order to improve the combination property of insulating materials, the service life of insulating materials is improved, polyolefin is made by way of crosslinking
Insulation is crosslinked, to obtain better performance.
But function is more single, in wearability, bending resistance, ageing-resistant degree, perishable situation, intensity and resistance to sunshine
Existing defects are gone back in terms of property.
The content of the invention
The invention provides a kind of for insulating materials of cable and preparation method thereof, the insulating materials for cable
Wearability and bending resistance are relatively good, and corrosion resistance is good, and service life is long, and the preparation method is simple, are adapted to promote.
A kind of insulating materials for cable, includes the component of following parts by weight：30~45 parts of high density polyethylene (HDPE), initiation
3~7 parts of agent, 2~5 parts of grafting agent, 20~30 parts of low density polyethylene (LDPE), 1~6 part of catalyst, 1~6 part of antioxidant, nano-silver powder
2~3 parts of end, 2~4 parts of defoamer, 10~15 parts of stearic acid, 5~8 parts of nylon, 3~8 parts of modified graphene oxide, titanium dioxide 1
~2 parts, 1~2 part of ultra-violet absorber, appropriate amount of water.
It is preferred that, the insulating materials for cable includes the component of following parts by weight：High density polyethylene (HDPE) 35~40
Part, 4~6 parts of initiator, 3~4 parts of grafting agent, 25~28 parts of low density polyethylene (LDPE), 2~5 parts of catalyst, 2~4 parts of antioxidant,
2.3~2.7 parts of Nano Silver powder, 3.2~3.6 parts of defoamer, 12~14 parts of stearic acid, 6~7 parts of nylon, modified graphite oxide
5~7 parts of alkene, 1.2~1.7 parts of titanium dioxide, 1.3~1.5 parts of ultra-violet absorber, appropriate amount of water.
It is preferred that, the insulating materials for cable includes the component of following parts by weight：38 parts of high density polyethylene (HDPE),
5 parts of initiator, 3.6 parts of grafting agent, 27 parts of low density polyethylene (LDPE), 3 parts of catalyst, 3 parts of antioxidant, 2.5 parts of Nano Silver powder, disappear
3.3 parts of infusion, 13 parts of stearic acid, 6.5 parts of nylon, 6 parts of modified graphene oxide, 1.5 parts of titanium dioxide, ultra-violet absorber 1.4
Part, appropriate amount of water.
It is preferred that, the modified graphene oxide is the graphene oxide for the antioxidant functionalization that poly-dopamine is coated.
It is preferred that, the grafting agent is vinyltrimethoxy silane, and the initiator is cumyl peroxide, described
Catalyst be titanate ester derivative, the antioxidant be β（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid stearyl alcohol
Ester.
A kind of method for preparing the insulating materials for cable, comprises the following steps：
（1）High density polyethylene (HDPE), initiator are weighed by said components, grafting agent, low density polyethylene (LDPE), catalyst, antioxidant, received
Rice silver powder, defoamer, stearic acid, nylon, modified graphene oxide, titanium dioxide, ultra-violet absorber, water, it is standby；
（2）Graphene oxide, Nano Silver powder, titanium dioxide and water are mixed to be put into ball mill and ground 1~2 hour, is then put
Disperse 20~30 minutes in high speed dispersor, obtain mixed fillers, it is standby；
（3）High density polyethylene (HDPE) is placed in molecule plug and dried, and controls drying time and drying temperature, by dried height
Density polyethylene, initiator, nylon and grafting agent are put into high-speed mixer and mixed, and are subsequently placed in kneading machine and knead 30~50
Minute, obtain masterbatch A；
（4）Low density polyethylene (LDPE) and catalyst, antioxidant and stearic acid are put into high-speed mixer and mixed, mixing is subsequently placed in
Kneaded 30~50 minutes in machine, obtain masterbatch B；
（5）Masterbatch A and masterbatch B and mixed fillers are mixed, ultra-violet absorber is added and is placed in ultrasonic dispersing machine and disperse 30
~40 minutes, it is subsequently placed in comminutor and granulates, obtain insulating materials masterbatch；
（6）Insulating materials masterbatch is placed in the confined space of water, puts daytime and irradiates in the sun, was handled by 2~9 days,
Dry, that is, obtain the insulating materials for cable.
It is preferred that, the step（5）The condition of middle extruding pelletization is D70mm extruders, and screw slenderness ratio is 14:1, die orifice
Temperature is 110~120 DEG C, and head temperature is 80~100 DEG C, and body temperature is 70~90 DEG C, and extruder temperature is 30~50 DEG C.
It is preferred that, the rotating speed of the high speed dispersor is 1200~1300r/min.
Compared with prior art, it has the advantages that the present invention：
Insulating materials wearability and bending resistance of the present invention for cable is relatively good, and corrosion resistance is good, service life
Long, the preparation method is simple, is adapted to promote, specific as follows：
（1）The graphene oxide of the antioxidant functionalization of insulating materials selection poly-dopamine cladding of the present invention for cable
As filler, relative to being typically to select inorganic particulate as antioxygen agent carrier in the prior art, the present invention need to only be added seldom
The filler of amount, you can reach the purpose for improving polymer composites thermo-oxidative stability；
（2）The graphene oxide of the antioxidant functionalization for the poly-dopamine cladding that the present invention is added, due to reducing degree very little
It is still insulating materials, prepared composite polyolefine material remains in that good insulating properties, and it is wear-resisting to enhance its
Property；
（3）The graphene oxide of the antioxidant functionalization for the poly-dopamine cladding that the present invention is added, can strengthen polymeric matrix
With the interface binding power between graphene oxide filler, material internal defect is reduced, so that the interfacial polarization of composite is reduced,
Dielectric loss is reduced, strengthens your bending resistance；
（4）The present invention with the addition of Nano Silver powder, enhance the corrosion resistance of insulating materials, extend its service life.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.These embodiments be merely to illustrate the present invention and without
In limitation the scope of the present invention.
Embodiment 1
A kind of insulating materials for cable described in the present embodiment, includes the component of following parts by weight：High density polyethylene (HDPE) 30
Part, 3 parts of initiator, 2 parts of grafting agent, 20 parts of low density polyethylene (LDPE), 1 part of catalyst, 1 part of antioxidant, 2 parts of Nano Silver powder, disappear
2 parts of infusion, 10 parts of stearic acid, 5 parts of nylon, 3 parts of modified graphene oxide, 1 part of titanium dioxide, 1 part of ultra-violet absorber, water are fitted
Amount.
Wherein, the modified graphene oxide is the graphene oxide for the antioxidant functionalization that poly-dopamine is coated.
Wherein, the grafting agent is vinyltrimethoxy silane, and the initiator is cumyl peroxide, described
Catalyst is titanate ester derivative, and the antioxidant is β（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid stearyl alcohol
Ester.
A kind of method for preparing the insulating materials for cable, comprises the following steps：
（1）High density polyethylene (HDPE), initiator are weighed by said components, grafting agent, low density polyethylene (LDPE), catalyst, antioxidant, received
Rice silver powder, defoamer, stearic acid, nylon, modified graphene oxide, titanium dioxide, ultra-violet absorber, water, it is standby；
（2）Graphene oxide, Nano Silver powder, titanium dioxide and water are mixed to be put into ball mill and ground 1 hour, height is subsequently placed in
Disperse 20 minutes in fast dispersion machine, obtain mixed fillers, it is standby；
（3）High density polyethylene (HDPE) is placed in molecule plug and dried, and controls drying time and drying temperature, by dried height
Density polyethylene, initiator, nylon and grafting agent are put into high-speed mixer and mixed, and are subsequently placed in kneading machine and knead 30 points
Clock, obtains masterbatch A；
（4）Low density polyethylene (LDPE) and catalyst, antioxidant and stearic acid are put into high-speed mixer and mixed, mixing is subsequently placed in
Kneaded 30 minutes in machine, obtain masterbatch B；
（5）Masterbatch A and masterbatch B and mixed fillers are mixed, ultra-violet absorber is added and is placed in ultrasonic dispersing machine and disperse 30
Minute, it is subsequently placed in comminutor and granulates, obtains insulating materials masterbatch；
（6）Insulating materials masterbatch is placed in the confined space of water, puts daytime and irradiates in the sun, was handled by 2 days, is done
It is dry, that is, obtain the insulating materials for cable.
Wherein, the step（5）The condition of middle extruding pelletization is D70mm extruders, and screw slenderness ratio is 14:1, die orifice temperature
Spend for 110 DEG C, head temperature is 80 DEG C, body temperature is 70 DEG C, extruder temperature is 30 DEG C.
Wherein, the rotating speed of the high speed dispersor is 1200r/min.
Embodiment 2
A kind of insulating materials for cable described in the present embodiment, includes the component of following parts by weight：High density polyethylene (HDPE) 45
Part, 7 parts of initiator, 5 parts of grafting agent, 30 parts of low density polyethylene (LDPE), 6 parts of catalyst, 6 parts of antioxidant, 3 parts of Nano Silver powder, disappear
4 parts of infusion, 15 parts of stearic acid, nylon 8 part, 8 parts of modified graphene oxide, 2 parts of titanium dioxide, 2 parts of ultra-violet absorber, water are fitted
Amount.
Wherein, the modified graphene oxide is the graphene oxide for the antioxidant functionalization that poly-dopamine is coated.
Wherein, the grafting agent is vinyltrimethoxy silane, and the initiator is cumyl peroxide, described
Catalyst is titanate ester derivative, and the antioxidant is β（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid stearyl alcohol
Ester.
A kind of method for preparing the insulating materials for cable, comprises the following steps：
（1）High density polyethylene (HDPE), initiator are weighed by said components, grafting agent, low density polyethylene (LDPE), catalyst, antioxidant, received
Rice silver powder, defoamer, stearic acid, nylon, modified graphene oxide, titanium dioxide, ultra-violet absorber, water, it is standby；
（2）Graphene oxide, Nano Silver powder, titanium dioxide and water are mixed to be put into ball mill and ground 2 hours, height is subsequently placed in
Disperse 30 minutes in fast dispersion machine, obtain mixed fillers, it is standby；
（3）High density polyethylene (HDPE) is placed in molecule plug and dried, and controls drying time and drying temperature, by dried height
Density polyethylene, initiator, nylon and grafting agent are put into high-speed mixer and mixed, and are subsequently placed in kneading machine and knead 50 points
Clock, obtains masterbatch A；
（4）Low density polyethylene (LDPE) and catalyst, antioxidant and stearic acid are put into high-speed mixer and mixed, mixing is subsequently placed in
Kneaded 50 minutes in machine, obtain masterbatch B；
（5）Masterbatch A and masterbatch B and mixed fillers are mixed, ultra-violet absorber is added and is placed in ultrasonic dispersing machine and disperse 40
Minute, it is subsequently placed in comminutor and granulates, obtains insulating materials masterbatch；
（6）Insulating materials masterbatch is placed in the confined space of water, puts daytime and irradiates in the sun, was handled by 9 days, is done
It is dry, that is, obtain the insulating materials for cable.
Wherein, the step（5）The condition of middle extruding pelletization is D70mm extruders, and screw slenderness ratio is 14:1, die orifice temperature
Spend for 120 DEG C, head temperature is 100 DEG C, body temperature is 90 DEG C, extruder temperature is 50 DEG C.
Wherein, the rotating speed of the high speed dispersor is 1300r/min.
Embodiment 3
A kind of insulating materials for cable described in the present embodiment, includes the component of following parts by weight：High density polyethylene (HDPE) 35
Part, 4 parts of initiator, 3 parts of grafting agent, 25 parts of low density polyethylene (LDPE), 2 parts of catalyst, 2 parts of antioxidant, 2.3 parts of Nano Silver powder,
3.2 parts of defoamer, 12 parts of stearic acid, 6 parts of nylon, 5 parts of modified graphene oxide, 1.2 parts of titanium dioxide, ultra-violet absorber 1.3
Part, appropriate amount of water.
Wherein, the modified graphene oxide is the graphene oxide for the antioxidant functionalization that poly-dopamine is coated.
Wherein, the grafting agent is vinyltrimethoxy silane, and the initiator is cumyl peroxide, described
Catalyst is titanate ester derivative, and the antioxidant is β（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid stearyl alcohol
Ester.
A kind of method for preparing the insulating materials for cable, comprises the following steps：
（1）High density polyethylene (HDPE), initiator are weighed by said components, grafting agent, low density polyethylene (LDPE), catalyst, antioxidant, received
Rice silver powder, defoamer, stearic acid, nylon, modified graphene oxide, titanium dioxide, ultra-violet absorber, water, it is standby；
（2）Graphene oxide, Nano Silver powder, titanium dioxide and water are mixed to be put into ball mill and ground 1.5 hours, is subsequently placed in
Disperse 25 minutes in high speed dispersor, obtain mixed fillers, it is standby；
（3）High density polyethylene (HDPE) is placed in molecule plug and dried, and controls drying time and drying temperature, by dried height
Density polyethylene, initiator, nylon and grafting agent are put into high-speed mixer and mixed, and are subsequently placed in kneading machine and knead 40 points
Clock, obtains masterbatch A；
（4）Low density polyethylene (LDPE) and catalyst, antioxidant and stearic acid are put into high-speed mixer and mixed, mixing is subsequently placed in
Kneaded 40 minutes in machine, obtain masterbatch B；
（5）Masterbatch A and masterbatch B and mixed fillers are mixed, ultra-violet absorber is added and is placed in ultrasonic dispersing machine and disperse 335
Minute, it is subsequently placed in comminutor and granulates, obtains insulating materials masterbatch；
（6）Insulating materials masterbatch is placed in the confined space of water, puts daytime and irradiates in the sun, was handled by 7 days, is done
It is dry, that is, obtain the insulating materials for cable.
Wherein, the step（5）The condition of middle extruding pelletization is D70mm extruders, and screw slenderness ratio is 14:1, die orifice temperature
Spend for 115 DEG C, head temperature is 90 DEG C, body temperature is 80 DEG C, extruder temperature is 40 DEG C.
Wherein, the rotating speed of the high speed dispersor is 1250r/min.
Embodiment 4
A kind of insulating materials for cable described in the present embodiment, includes the component of following parts by weight：High density polyethylene (HDPE) 40
Part, 6 parts of initiator, 4 parts of grafting agent, 28 parts of low density polyethylene (LDPE), 5 parts of catalyst, 4 parts of antioxidant, 2.7 parts of Nano Silver powder,
3.6 parts of defoamer, 14 parts of stearic acid, 7 parts of nylon, 7 parts of modified graphene oxide, 1.7 parts of titanium dioxide, ultra-violet absorber 1.5
Part, appropriate amount of water.
Wherein, the modified graphene oxide is the graphene oxide for the antioxidant functionalization that poly-dopamine is coated.
Wherein, the grafting agent is vinyltrimethoxy silane, and the initiator is cumyl peroxide, described
Catalyst is titanate ester derivative, and the antioxidant is β（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid stearyl alcohol
Ester.
A kind of method for preparing the insulating materials for cable, comprises the following steps：
（1）High density polyethylene (HDPE), initiator are weighed by said components, grafting agent, low density polyethylene (LDPE), catalyst, antioxidant, received
Rice silver powder, defoamer, stearic acid, nylon, modified graphene oxide, titanium dioxide, ultra-violet absorber, water, it is standby；
（2）Graphene oxide, Nano Silver powder, titanium dioxide and water are mixed to be put into ball mill and ground 1~2 hour, is then put
Disperse 25 minutes in high speed dispersor, obtain mixed fillers, it is standby；
（3）High density polyethylene (HDPE) is placed in molecule plug and dried, and controls drying time and drying temperature, by dried height
Density polyethylene, initiator, nylon and grafting agent are put into high-speed mixer and mixed, and are subsequently placed in kneading machine and knead 45 points
Clock, obtains masterbatch A；
（4）Low density polyethylene (LDPE) and catalyst, antioxidant and stearic acid are put into high-speed mixer and mixed, mixing is subsequently placed in
Kneaded 45 minutes in machine, obtain masterbatch B；
（5）Masterbatch A and masterbatch B and mixed fillers are mixed, ultra-violet absorber is added and is placed in ultrasonic dispersing machine and disperse 34
Minute, it is subsequently placed in comminutor and granulates, obtains insulating materials masterbatch；
（6）Insulating materials masterbatch is placed in the confined space of water, puts daytime and irradiates in the sun, was handled by 2~9 days,
Dry, that is, obtain the insulating materials for cable.
Wherein, the step（5）The condition of middle extruding pelletization is D70mm extruders, and screw slenderness ratio is 14:1, die orifice temperature
Spend for 118 DEG C, head temperature is 95 DEG C, body temperature is 75 DEG C, extruder temperature is 35 DEG C.
Wherein, the rotating speed of the high speed dispersor is 1225r/min.
Embodiment 5
A kind of insulating materials for cable described in the present embodiment, includes the component of following parts by weight：High density polyethylene (HDPE) 38
Part, 5 parts of initiator, 3.6 parts of grafting agent, 27 parts of low density polyethylene (LDPE), 3 parts of catalyst, 3 parts of antioxidant, Nano Silver powder 2.5
Part, 3.3 parts of defoamer, 13 parts of stearic acid, 6.5 parts of nylon, 6 parts of modified graphene oxide, 1.5 parts of titanium dioxide, ultraviolet radiation absorption
1.4 parts of agent, appropriate amount of water.
Wherein, the modified graphene oxide is the graphene oxide for the antioxidant functionalization that poly-dopamine is coated.
Wherein, the grafting agent is vinyltrimethoxy silane, and the initiator is cumyl peroxide, described
Catalyst is titanate ester derivative, and the antioxidant is β（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid stearyl alcohol
Ester.
A kind of method for preparing the insulating materials for cable, comprises the following steps：
（1）High density polyethylene (HDPE), initiator are weighed by said components, grafting agent, low density polyethylene (LDPE), catalyst, antioxidant, received
Rice silver powder, defoamer, stearic acid, nylon, modified graphene oxide, titanium dioxide, ultra-violet absorber, water, it is standby；
（2）Graphene oxide, Nano Silver powder, titanium dioxide and water are mixed to be put into ball mill and ground 1.3 hours, is subsequently placed in
Disperse 28 minutes in high speed dispersor, obtain mixed fillers, it is standby；
（3）High density polyethylene (HDPE) is placed in molecule plug and dried, and controls drying time and drying temperature, by dried height
Density polyethylene, initiator, nylon and grafting agent are put into high-speed mixer and mixed, and are subsequently placed in kneading machine and knead 38 points
Clock, obtains masterbatch A；
（4）Low density polyethylene (LDPE) and catalyst, antioxidant and stearic acid are put into high-speed mixer and mixed, mixing is subsequently placed in
Kneaded 30 minutes in machine, obtain masterbatch B；
（5）Masterbatch A and masterbatch B and mixed fillers are mixed, ultra-violet absorber is added and is placed in ultrasonic dispersing machine and disperse 35
Minute, it is subsequently placed in comminutor and granulates, obtains insulating materials masterbatch；
（6）Insulating materials masterbatch is placed in the confined space of water, puts daytime and irradiates in the sun, was handled by 2~9 days,
Dry, that is, obtain the insulating materials for cable.
Wherein, the step（5）The condition of middle extruding pelletization is D70mm extruders, and screw slenderness ratio is 14:1, die orifice temperature
Spend for 115 DEG C, head temperature is 90 DEG C, body temperature is 80 DEG C, extruder temperature is 45 DEG C.
Wherein, the rotating speed of the high speed dispersor is 1230r/min.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (8)
1. a kind of insulating materials for cable, it is characterised in that include the component of following parts by weight：High density polyethylene (HDPE) 30~
45 parts, 3~7 parts of initiator, 2~5 parts of grafting agent, 20~30 parts of low density polyethylene (LDPE), 1~6 part of catalyst, antioxidant 1~6
Part, 2~3 parts of Nano Silver powder, 2~4 parts of defoamer, 10~15 parts of stearic acid, 5~8 parts of nylon, modified graphene oxide 3~8
Part, 1~2 part of titanium dioxide, 1~2 part of ultra-violet absorber, appropriate amount of water.
2. the insulating materials according to claim 1 for cable, it is characterised in that include the component of following parts by weight：
35~40 parts of high density polyethylene (HDPE), 4~6 parts of initiator, 3~4 parts of grafting agent, 25~28 parts of low density polyethylene (LDPE), catalyst 2~
5 parts, 2~4 parts of antioxidant, 2.3~2.7 parts of Nano Silver powder, 3.2~3.6 parts of defoamer, 12~14 parts of stearic acid, nylon 6~
7 parts, 5~7 parts of modified graphene oxide, 1.2~1.7 parts of titanium dioxide, 1.3~1.5 parts of ultra-violet absorber, appropriate amount of water.
3. the insulating materials according to claim 1 for cable, it is characterised in that include the component of following parts by weight：
38 parts of high density polyethylene (HDPE), 5 parts of initiator, 3.6 parts of grafting agent, 27 parts of low density polyethylene (LDPE), 3 parts of catalyst, 3 parts of antioxidant,
2.5 parts of Nano Silver powder, 3.3 parts of defoamer, 13 parts of stearic acid, 6.5 parts of nylon, 6 parts of modified graphene oxide, titanium dioxide 1.5
Part, 1.4 parts of ultra-violet absorber, appropriate amount of water.
4. according to the insulating materials according to claim 1 for cable, it is characterised in that the modified graphene oxide
The graphene oxide of the antioxidant functionalization coated for poly-dopamine.
5. according to the insulating materials according to claim 1 for cable, it is characterised in that the grafting agent is vinyl
Trimethoxy silane, the initiator is cumyl peroxide, and described catalyst is titanate ester derivative, the antioxygen
Agent is β（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid octadecyl alcohol ester.
6. a kind of method of the insulating materials for cable prepared described in any one of Claims 1 to 5, it is characterised in that bag
Include following steps：
（1）High density polyethylene (HDPE), initiator are weighed by said components, grafting agent, low density polyethylene (LDPE), catalyst, antioxidant, received
Rice silver powder, defoamer, stearic acid, nylon, modified graphene oxide, titanium dioxide, ultra-violet absorber, water, it is standby；
（2）Graphene oxide, Nano Silver powder, titanium dioxide and water are mixed to be put into ball mill and ground 1~2 hour, is then put
Disperse 20~30 minutes in high speed dispersor, obtain mixed fillers, it is standby；
（3）High density polyethylene (HDPE) is placed in molecule plug and dried, and controls drying time and drying temperature, by dried height
Density polyethylene, initiator, nylon and grafting agent are put into high-speed mixer and mixed, and are subsequently placed in kneading machine and knead 30~50
Minute, obtain masterbatch A；
（4）Low density polyethylene (LDPE) and catalyst, antioxidant and stearic acid are put into high-speed mixer and mixed, mixing is subsequently placed in
Kneaded 30~50 minutes in machine, obtain masterbatch B；
（5）Masterbatch A and masterbatch B and mixed fillers are mixed, ultra-violet absorber is added and is placed in ultrasonic dispersing machine and disperse 30
~40 minutes, it is subsequently placed in comminutor and granulates, obtain insulating materials masterbatch；
（6）Insulating materials masterbatch is placed in the confined space of water, puts daytime and irradiates in the sun, was handled by 2~9 days,
Dry, that is, obtain the insulating materials for cable.
7. preparation method according to claim 6, it is characterised in that the step（5）The condition of middle extruding pelletization is
D70mm extruders, screw slenderness ratio is 14:1, die temperature is 110~120 DEG C, and head temperature is 80~100 DEG C, fuselage temperature
Spend for 70~90 DEG C, extruder temperature is 30~50 DEG C.
8. preparation method according to claim 6, it is characterised in that the rotating speed of the high speed dispersor is 1200~
1300r/min。
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108384217A (en) * | 2018-02-06 | 2018-08-10 | 合肥东恒锐电子科技有限公司 | A kind of insulating materials and preparation method thereof for earphone cable |
| CN108892847A (en) * | 2018-07-06 | 2018-11-27 | 杨敏宏 | A kind of modified low-density polyethylene and preparation method thereof |
| CN114249938A (en) * | 2021-12-29 | 2022-03-29 | 高邮市金国电缆材料厂有限公司 | Silane crosslinked polyethylene insulating material for cables of 10KV and below and preparation method thereof |
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| CN103205051A (en) * | 2013-03-18 | 2013-07-17 | 中利科技集团股份有限公司 | Low-smoke zero-halogen flame-retardant silane crosslinking polyolefin and preparation method thereof |
| CN104774363A (en) * | 2015-04-16 | 2015-07-15 | 浙江乔兴建设集团湖州智能科技有限公司 | Novel preparation method of organosilane crosslinked polyethylene cable material |
| CN105504453A (en) * | 2016-01-08 | 2016-04-20 | 上海交通大学 | Polyolefin composite insulating material with high thermal-oxidative stability and preparation method thereof |
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2017
- 2017-06-01 CN CN201710403016.0A patent/CN107033519A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103205051A (en) * | 2013-03-18 | 2013-07-17 | 中利科技集团股份有限公司 | Low-smoke zero-halogen flame-retardant silane crosslinking polyolefin and preparation method thereof |
| CN104774363A (en) * | 2015-04-16 | 2015-07-15 | 浙江乔兴建设集团湖州智能科技有限公司 | Novel preparation method of organosilane crosslinked polyethylene cable material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108384217A (en) * | 2018-02-06 | 2018-08-10 | 合肥东恒锐电子科技有限公司 | A kind of insulating materials and preparation method thereof for earphone cable |
| CN108892847A (en) * | 2018-07-06 | 2018-11-27 | 杨敏宏 | A kind of modified low-density polyethylene and preparation method thereof |
| CN114249938A (en) * | 2021-12-29 | 2022-03-29 | 高邮市金国电缆材料厂有限公司 | Silane crosslinked polyethylene insulating material for cables of 10KV and below and preparation method thereof |
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Application publication date: 20170811 |