CN109575588A - Fire-retardant termite-proof high insulated nylon CABLE MATERIALS of one kind and preparation method thereof - Google Patents
Fire-retardant termite-proof high insulated nylon CABLE MATERIALS of one kind and preparation method thereof Download PDFInfo
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
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- 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
- H01B3/303—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups H01B3/38 or H01B3/302
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Abstract
This application provides a kind of fire-retardant termite-proof high insulated nylon CABLE MATERIALSs, it is made of several raw material, raw material includes 80~95 mass parts of Nylon 1012 resin, 5~20 mass parts of Nylon 1012 elastomer, 7~18 mass parts of fire retardant, 0.1~0.5 mass parts of crosslinking agent, 0.1~1 mass parts of antioxidant, 0.1~1 mass parts of light stabilizer, 0.5~3 mass parts of Masterbatch, 0.1~1.2 mass parts of chain extension lubricant, 0.1~1.0 mass parts of 3~10 mass parts of kaolin, 0.03~0.2 mass parts of coupling agent and dispersing agent；A kind of preparation method of above-mentioned fire-retardant termite-proof high insulated nylon CABLE MATERIALS is additionally provided, first prepares kaolin master batch, twin-screw extrusion after then again mixing raw material；The hardness of the CABLE MATERIALS is greater than shore 64D, and surface is smooth, and termite-proof to reach 2 grades, sheet resistance is up to 1014Ohm and environmental protection flame retardant, fully meet target call.
Description
Technical field
The present invention relates to technical field of polymer materials, especially a kind of fire-retardant termite-proof high insulated nylon CABLE MATERIALS and its
Preparation method.
Background technique
It is frequently found termite broken the case where changing power cable in South China, China, especially In Guangdong Province termite is to cable
Failure caused by harm accounts for the 60%-70% of cable total failare.It is all in the area for having termite activity in order to guarantee the safety of cable
Domain should all take cable termite-proof measure.Domestic termite-proof measure at present mainly has termite-proof, power cable ontology of constructing
It is termite-proof.Construct termite-proof main toxic local method, trapping method etc., have pollution environment, it is broken change ecology, long construction period, at
The disadvantages of this is high；Power cable ontology is termite-proof a chemical method and physical method, and it is sheath material in cable that chemical method is termite-proof
It is middle to add less toxic repellant to drive termite away, but it will cause environmental pollution and causes health hazards to the producer；Physics
It is hardness (>=shore 64D) and surface flatness using the termite-proof jacket material of cable that method is termite-proof, and termite is made to have no way of lower mouth
It bites termite-proof to achieve the purpose that, this method is safe and reliable.
Domestic physical method at present is termite-proof mainly have wrapped brass band, half hard PVC extruding layer, improved polyalkene extruding layer,
12 extruding layer of nylon.Wherein, brass band is wrapped can not be promoted and applied always due at high cost；Half hard PVC extruding layer do not use in
Power cable；Improved polyalkene extruding layer is chiefly used in communication cable since heatproof is lower；Nylon 12 relies on always import, due to skill
Art barrier, foreign countries meet the application of power cable without providing proprietary material for China, even if there is domestic manufacturer to use nylon
12 carry out the production of Anti-termite power cable, most of also because of reasons such as the improper, poor in processability of 12 viscosity of nylon, cause technique
Greatly, nylon 12 is expensive in addition, therefore does not promote and apply always for unstable, production waste.
Patent CN201210562289.7 provides a kind of termite-proof cable sheathing daiamid composition, cable sheathing, system
Method and purposes, but do not have anti-flammability using the standby anti-termite cable of the patent system, in the termite-proof application of power cable, it is exhausted
Edge is also to be improved.
Therefore, the fire-retardant termite-proof high insulated nylon cable proprietary material of one kind is developed to be of great significance.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of fire-retardant termite-proof high insulated nylon CABLE MATERIALS.The embodiment of the present invention
Another object be to provide the preparation method of above-mentioned fire-retardant termite-proof high insulated nylon CABLE MATERIALS a kind of.
In order to solve the above technical problems, technical solution provided by the invention are as follows:
A kind of fire-retardant termite-proof high insulated nylon CABLE MATERIALS, is made, raw material includes Nylon 1012 resin of several raw material
80~95 mass parts, 5~20 mass parts of Nylon 1012 elastomer, 7~18 mass parts of fire retardant, 0.1~0.5 mass of crosslinking agent
Part, 0.1~1 mass parts of antioxidant, 0.1~1 mass parts of light stabilizer, 0.5~3 mass parts of Masterbatch, chain extension lubricant 0.1~
1.2 mass parts, 0.1~1.0 mass parts of 3~10 mass parts of kaolin, 0.03~0.2 mass parts of coupling agent and dispersing agent.
Preferably, raw material includes 85~92 mass parts of Nylon 1012 resin, 8~15 mass parts of Nylon 1012 elastomer, resistance
Fire 8~12 mass parts of agent, 0.15~0.35 mass parts of crosslinking agent, 0.3~0.8 mass parts of antioxidant, light stabilizer 0.4~0.8
Mass parts, 1~2 mass parts of Masterbatch, 0.3~0.8 mass parts of chain extension lubricant, kaolin 5~8 parts of mass parts, coupling agents
0.2~0.5 mass parts of 0.05~0.1 mass parts and dispersing agent.
Preferably, the fire retardant is the compound of MCA fire retardant, hexaphenoxycyclotriphosphazene and amido silicon oil, MCA resistance
Fire the quality of agent: the quality of hexaphenoxycyclotriphosphazene: quality=7:2.5:0.5 of amido silicon oil.
Preferably, the antioxidant is the compound of antioxidant 1098 and irgasfos 168, the quality of antioxidant 1098: anti-
Quality=1:1 of oxygen agent 168.
Preferably, the light stabilizer is the compound of light stabilizer 622 and light stabilizer 770, the matter of light stabilizer 622
Amount: quality=1:1 of light stabilizer 770.
Preferably, the crosslinking agent is BIPB；
The Masterbatch is using PA, PE or EVA resin as the red, yellow, green, blue of carrier or the Masterbatch of black color；
The chain extension lubricant is that maleic anhydride is grafted PE wax；
The kaolin is the calcined kaolin of 5000 mesh；
The coupling agent is KH550；
The dispersing agent is benzene sulfonyl butylamine.
It is a kind of it is any one of above-mentioned described in fire-retardant termite-proof high insulated nylon CABLE MATERIALS preparation method, including it is following
Step:
1) prepare kaolin master batch: Nylon 1012 resin, coupling agent after first taking drying are added to low in high-speed mixer
Speed mixing, kaolin is then added, and again then mixed at high speed releases material to 90 DEG C；
Then melt blending will be carried out in 1) material that this step mixes feeding double screw extruder, to material from double spiral shells
, drying, pelletizing cooling through traction after die head in bar extruder comes out, are made the kaolin master batch after the completion；
2) Nylon 1012 resin, Nylon 1012 elastomer after taking drying, kaolin master batch made from step 1) and point
Powder is added to the mixing of high-speed mixer high speed, then by crosslinking agent, fire retardant, antioxidant, light stabilizer, chain extension lubricant
And Masterbatch is added in high-speed mixer, then first mixed on low speed mixed at high speed again releases material；
3) material that step 2) mixes is fed in double screw extruder and carries out melt blending, squeezed to material from twin-screw
, drying, pelletizing cooling through traction, are made fire-retardant termite-proof high insulated nylon CABLE MATERIALS after the completion after the die head in machine comes out out.
Preferably, the melt flow rate (MFR) of the Nylon 1012 resin is 1~6g/10min；
The shore hardness of the Nylon 1012 elastomer is 48D, and melt flow rate (MFR) is 1~10g/10min.
Preferably, in step 1), each area's temperature of the double screw extruder is set are as follows: area's temperature is 175~180
DEG C, two area's temperature are 215~220 DEG C, and three area's temperature are 220~225 DEG C, and four area's temperature are 225~230 DEG C, and five area's temperature are
230~235 DEG C, six area's temperature are 230~235 DEG C, and seven area's temperature are 235~240 DEG C；
Head temperature is 240~245 DEG C；The engine speed of double screw extruder is 180~200r/min, and host electric current is
70~90A.
Preferably, in step 3), each area's temperature setting of double screw extruder are as follows: area's temperature is 175~180 DEG C,
Two area's temperature are 225~230 DEG C, and three area's temperature are 225~230 DEG C, and four area's temperature are 225~230 DEG C, and five area's temperature are 230
~235 DEG C, six area's temperature are 230~235 DEG C, and seven area's temperature are 225~230 DEG C；
Head temperature is 230~235 DEG C；The engine speed of double screw extruder is 250~300r/min, and host electric current is
60~80A.
The advantageous effects of the application:
1, the termite-proof effect of CABLE MATERIALS provided by the present application is good, safe and reliable, which is shore 67-69D,
And surface is smooth, can achieve the termite-proof purpose of physical method, it is environmentally friendly, pollution-free compared with construction method, chemical method are termite-proof.
2, the processability of CABLE MATERIALS provided by the present application, insulating properties, flexibility, good flame resistance, the CABLE MATERIALS melt flows
Rate is low, melt strength is high, the power cable for squeezing out diameter 10-110mm, wall thickness 0.2-10mm can be applicable in, with termite-proof Buddhist nun
Dragon 12 is compared, and the CABLE MATERIALS processability is more preferable, more stable；In addition the CABLE MATERIALS is due to joined Nylon 1012 elastomer, kaolinite
Soil, fire retardant and crosslinking agent, flexibility is more preferably compared with termite-proof nylon 12, insulating properties is higher and has flame-retarding characteristic,
The demanding power cable of production security preferably can use in the environment of -40 DEG C~150 DEG C for a long time.
Specific embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described below with reference to embodiment, still
It should be appreciated that these descriptions only further illustrate feature and advantage of the invention, rather than to the limit of the claims in the present invention
System.
This application provides a kind of fire-retardant termite-proof high insulated nylon CABLE MATERIALSs, are made of several raw material, raw material includes
80~95 mass parts of Nylon 1012 resin, 5~20 mass parts of Nylon 1012 elastomer, 7~18 mass parts of fire retardant, crosslinking agent
0.1~0.5 mass parts, 0.1~1 mass parts of light stabilizer, 0.5~3 mass parts of Masterbatch, expand at 0.1~1 mass parts of antioxidant
0.1~1.2 mass parts of chain lubrication agent, 3~10 mass parts of kaolin, 0.03~0.2 mass parts of coupling agent and dispersing agent 0.1~
1.0 mass parts.
In one embodiment of the application, raw material includes 85~92 mass parts of Nylon 1012 resin, Nylon 1012 elasticity
8~15 mass parts of body, 8~12 mass parts of fire retardant, 0.15~0.35 mass parts of crosslinking agent, 0.3~0.8 mass parts of antioxidant,
0.4~0.8 mass parts of light stabilizer, 1~2 mass parts of Masterbatch, 0.3~0.8 mass parts of chain extension lubricant, 5~8 parts of kaolin
0.2~0.5 mass parts of mass parts, 0.05~0.1 mass parts of coupling agent and dispersing agent.
In one embodiment of the application, the fire retardant is MCA fire retardant, hexaphenoxycyclotriphosphazene and amino silicone
The compound of oil, the quality of MCA fire retardant: the quality of hexaphenoxycyclotriphosphazene: quality=7:2.5:0.5 of amido silicon oil.
In one embodiment of the application, the antioxidant is the compound of antioxidant 1098 and irgasfos 168, antioxygen
The quality of agent 1098: quality=1:1 of irgasfos 168.
In one embodiment of the application, the light stabilizer is the compounding of light stabilizer 622 and light stabilizer 770
Object, the quality of light stabilizer 622: quality=1:1 of light stabilizer 770.
In one embodiment of the application, the crosslinking agent is BIPB；
The Masterbatch is using PA, PE or EVA resin as the red, yellow, green, blue of carrier or the Masterbatch of black color；
The chain extension lubricant is that maleic anhydride is grafted PE wax；
The kaolin is the calcined kaolin of 5000 mesh；
The coupling agent is KH550；
The dispersing agent is benzene sulfonyl butylamine.
Present invention also provides a kind of preparations of fire-retardant termite-proof high insulated nylon CABLE MATERIALS described in above-mentioned any one
Method, comprising the following steps:
1) prepare kaolin master batch: Nylon 1012 resin, coupling agent after first taking drying are added to low in high-speed mixer
Speed mixing, kaolin is then added, and again then mixed at high speed releases material to 90 DEG C；
Then melt blending will be carried out in 1) material that this step mixes feeding double screw extruder, to material from double spiral shells
, drying, pelletizing cooling through traction after die head in bar extruder comes out, are made the kaolin master batch after the completion；
2) Nylon 1012 resin, Nylon 1012 elastomer after taking drying, kaolin master batch made from step 1) and point
Powder is added to the mixing of high-speed mixer high speed, then by crosslinking agent, fire retardant, antioxidant, light stabilizer, chain extension lubricant
And Masterbatch is added in high-speed mixer, then first mixed on low speed mixed at high speed again releases material；
3) material that step 2) mixes is fed in double screw extruder and carries out melt blending, squeezed to material from twin-screw
, drying, pelletizing cooling through traction, are made fire-retardant termite-proof high insulated nylon CABLE MATERIALS after the completion after the die head in machine comes out out.
In one embodiment of the application, the melt flow rate (MFR) of the Nylon 1012 resin is 1~6g/10min；
The shore hardness of the Nylon 1012 elastomer is 48D, and melt flow rate (MFR) is 1~10g/10min.
In one embodiment of the application, in step 1), each area's temperature of the double screw extruder is set are as follows: an area
Temperature is 175~180 DEG C, and two area's temperature are 215~220 DEG C, and three area's temperature are 220~225 DEG C, and four area's temperature are 225~230
DEG C, five area's temperature are 230~235 DEG C, and six area's temperature are 230~235 DEG C, and seven area's temperature are 235~240 DEG C；
Head temperature is 240~245 DEG C；The engine speed of double screw extruder is 180~200r/min, and host electric current is
70~90A.
In one embodiment of the application, in step 3), each area's temperature setting of double screw extruder an are as follows: Qu Wen
Degree is 175~180 DEG C, and two area's temperature are 225~230 DEG C, and three area's temperature are 225~230 DEG C, and four area's temperature are 225~230
DEG C, five area's temperature are 230~235 DEG C, and six area's temperature are 230~235 DEG C, and seven area's temperature are 225~230 DEG C；
Head temperature is 230~235 DEG C；The engine speed of double screw extruder is 250~300r/min, and host electric current is
60~80A.
In the preparation method of the application, mixed on low speed is 175~225r/min, and mixed at high speed is 750~850r/min.
Added kaolin is the kaolin of 5000 mesh in the present invention, and partial size is very small, if direct with other raw materials
Mixing granulation is easy to happen reunion, causes dispersion uneven, influences properties of product, therefore first using kaolin and Nylon 1012 resin
The kaolin master batch of certain content is prepared, then prepares CABLE MATERIALS with other raw material mixing granulations again.The preparation of kaolin master batch
Can to kaolin carry out it is pre-dispersed, dilute kaolinic content, then again with other raw material mixing granulations prepare CABLE MATERIALS when
Kaolin can carry out twice dispersing, and more uniformly, material property is more excellent for mixing.
The fire retardant used in the present invention is the compound (three of MCA fire retardant, hexaphenoxycyclotriphosphazene and amido silicon oil
Person's mass ratio is 7:2.5:0.5), amido silicon oil can carry out anti-with the carboxyl end group in nylon, the acid anhydrides in chain extension lubricant
It answers, reduces the probability of the carboxyl end group in MCA fire retardant and nylon, the anhydride reaction in chain extension lubricant, while amido silicon oil
The compatibility for improving nylon Yu MCA fire retardant keeps dispersibility between the two more preferable, enhances flame retardant effect, same reaching
The additive amount that fire retardant can be effectively reduced while sample flame retardant effect guarantees the surface smoothness of material, reach it is not only fire-retardant but also
Termite-proof purpose.
Be added to suitable kaolin, crosslinking agent in the present invention, can effectively improve the insulating properties of material, this be mainly because
The conductive ion in Nylon 1012 CABLE MATERIALS can be adsorbed for kaolin, increasing its resistivity improves its electrical insulating property；Crosslinking agent
Addition be chemically crosslinked Nylon 1012 resin, Nylon 1012 elastomer, become reticular structure, further improve
The insulation performance of material.
For a further understanding of the present invention, below with reference to embodiment termite-proof high insulation fire-retardant to one kind provided by the invention
Nylon cable material and preparation method thereof is described in detail, and protection scope of the present invention is not limited by the following examples.
Embodiment 1
A kind of fire-retardant termite-proof high insulated nylon CABLE MATERIALS, is prepared from the following raw materials: 80 mass parts of Nylon 1012 resin, Buddhist nun
20 mass parts of imperial 1012 elastomer, 7 mass parts of fire retardant, 0.5 mass parts of crosslinking agent, 0.1 mass parts of antioxidant, light stabilizer 1
Mass parts, 0.5 mass parts of Masterbatch, 0.1 mass parts of chain extension lubricant, 10 mass parts of kaolin, 0.2 mass parts of coupling agent and
0.1 mass parts of dispersing agent；
Above-mentioned fire retardant is the compound of MCA fire retardant, hexaphenoxycyclotriphosphazene and amido silicon oil herein, and MCA is fire-retardant
The quality of agent: the quality of hexaphenoxycyclotriphosphazene: quality=7:2.5:0.5 of amido silicon oil；
Above-mentioned antioxidant is the compound of antioxidant 1098 and irgasfos 168, the quality of antioxidant 1098: antioxidant herein
168 quality=1:1；
Compound of the above-mentioned light stabilizer for light stabilizer 622 and light stabilizer 770 herein, the quality of light stabilizer 622:
Quality=1:1 of light stabilizer 770；
Above-mentioned crosslinking agent is BIPB herein；
Above-mentioned Masterbatch is using PA resin as the Masterbatch of the black color of carrier herein；
Above-mentioned chain extension lubricant is that maleic anhydride is grafted PE wax herein；
Above-mentioned kaolin is the calcined kaolin of 5000 mesh herein；
Above-mentioned coupling agent is KH550 herein；
Above-mentioned dispersing agent is benzene sulfonyl butylamine herein.
The preparation method of above-mentioned fire-retardant termite-proof high insulated nylon CABLE MATERIALS in embodiment 1, comprising the following steps:
1) prepare kaolin master batch: it is mixed that Nylon 1012 resin 60Kg, coupling agent 0.8Kg after first taking drying are added to high speed
Mixed on low speed 2 minutes in conjunction machine, 40Kg kaolin is then added, and mixed at high speed releases material to 90 DEG C again；
Then melt blending will be carried out in 1) material that this step mixes feeding double screw extruder, to material from double spiral shells
, drying, pelletizing cooling through traction after die head in bar extruder comes out, are made the kaolin master batch after the completion；
In step 1), each area's temperature of the double screw extruder is set are as follows: area's temperature is 175~180 DEG C, two area's temperature
Degree is 215~220 DEG C, and three area's temperature are 220~225 DEG C, and four area's temperature are 225~230 DEG C, and five area's temperature are 230~235
DEG C, six area's temperature are 230~235 DEG C, and seven area's temperature are 235~240 DEG C；Head temperature is 240~245 DEG C；Twin-screw extrusion
The engine speed of machine is 180~200r/min, and host electric current is 70~90A；
2) the Nylon 1012 resin 65Kg after drying, Nylon 1012 elastomer 20Kg, kaolin master batch 25Kg are taken and is divided
Powder 0.1Kg is added in high-speed mixer, and fire retardant 7Kg, crosslinking agent 0.5Kg, antioxidant are added after mixed at high speed 3 minutes
Into high-speed mixer, mixed on low speed 1 is divided by 0.1Kg, light stabilizer 1Kg, chain extension lubricant 0.1Kg and black agglomerate 0.5Kg
Zhong Houzai mixed at high speed 2 minutes, release material；
3) material that step 2) mixes is fed in double screw extruder and carries out melt blending, squeezed to material from twin-screw
, drying, pelletizing cooling through traction, are made fire-retardant termite-proof high insulated nylon CABLE MATERIALS after the completion after the die head in machine comes out out；
In step 3), each area's temperature setting of double screw extruder are as follows: area's temperature is 175~180 DEG C, two area's temperature
It is 225~230 DEG C, three area's temperature are 225~230 DEG C, and four area's temperature are 225~230 DEG C, and five area's temperature are 230~235 DEG C,
Six area's temperature are 230~235 DEG C, and seven area's temperature are 225~230 DEG C；Head temperature is 230~235 DEG C；Double screw extruder
Engine speed is 250~300r/min, and host electric current is 60~80A.
By fire-retardant termite-proof high insulated nylon CABLE MATERIALS prepared by embodiment 1 it is dry after with injection molding machine various standard samples are made
Item is tested after placing 24 hours；Injection molding machine temperature: 220 DEG C, 230 DEG C, 235 DEG C；Injection moulding speed 40g/s, injection time
10s, injection pressure 28MPa, dwell pressure 36MPa, dwell time 30s, testing result such as the following table 1:
The performance test results of fire-retardant termite-proof high insulated nylon CABLE MATERIALS in 1 embodiment 1 of table
Embodiment 2
A kind of fire-retardant termite-proof high insulated nylon CABLE MATERIALS, is prepared from the following raw materials: 95 mass parts of Nylon 1012 resin, Buddhist nun
5 mass parts of imperial 1012 elastomer, 18 mass parts of fire retardant, 0.1 mass parts of crosslinking agent, 1 mass parts of antioxidant, light stabilizer 0.1
Mass parts, 3 mass parts of Masterbatch, 1.2 mass parts of chain extension lubricant, 3 mass parts of kaolin, 0.1 mass parts of coupling agent and point
1 mass parts of powder；
Above-mentioned fire retardant is the compound of MCA fire retardant, hexaphenoxycyclotriphosphazene and amido silicon oil herein, and MCA is fire-retardant
The quality of agent: the quality of hexaphenoxycyclotriphosphazene: quality=7:2.5:0.5 of amido silicon oil；
Above-mentioned antioxidant is the compound of antioxidant 1098 and irgasfos 168, the quality of antioxidant 1098: antioxidant herein
168 quality=1:1；
Compound of the above-mentioned light stabilizer for light stabilizer 622 and light stabilizer 770 herein, the quality of light stabilizer 622:
Quality=1:1 of light stabilizer 770；
Above-mentioned crosslinking agent is BIPB herein；
Above-mentioned Masterbatch is using PA resin as the Masterbatch of the red color of carrier herein；
Above-mentioned chain extension lubricant is that maleic anhydride is grafted PE wax herein；
Above-mentioned kaolin is the calcined kaolin of 5000 mesh herein；
Above-mentioned coupling agent is KH550 herein；
Above-mentioned dispersing agent is benzene sulfonyl butylamine herein.
The preparation method of above-mentioned fire-retardant termite-proof high insulated nylon CABLE MATERIALS in embodiment 2, comprising the following steps:
1) prepare kaolin master batch: Nylon 1012 resin 70Kg, coupling agent 1Kg after first taking drying are added to mixed at high speed
Mixed on low speed 2 minutes in machine, 30Kg kaolin is then added, and mixed at high speed releases material to 90 DEG C again；
Then melt blending will be carried out in 1) material that this step mixes feeding double screw extruder, to material from double spiral shells
, drying, pelletizing cooling through traction after die head in bar extruder comes out, are made the kaolin master batch after the completion；
In step 1), each area's temperature of the double screw extruder is set are as follows: area's temperature is 175~180 DEG C, two area's temperature
Degree is 215~220 DEG C, and three area's temperature are 220~225 DEG C, and four area's temperature are 225~230 DEG C, and five area's temperature are 230~235
DEG C, six area's temperature are 230~235 DEG C, and seven area's temperature are 235~240 DEG C；Head temperature is 240~245 DEG C；Twin-screw extrusion
The engine speed of machine is 180~200r/min, and host electric current is 70~90A；
2) Nylon 1012 resin 88Kg, Nylon 1012 elastomer 5Kg, kaolin master batch 10Kg and dispersion after taking drying
Agent 1Kg is added in high-speed mixer, after mixed at high speed 3 minutes be added fire retardant 18Kg, crosslinking agent 0.1Kg, antioxidant 1Kg,
Light stabilizer 0.1Kg, chain extension lubricant 1.2Kg and red master batch 3Kg are into high-speed mixer, after mixed on low speed 1 minute again
Mixed at high speed 2 minutes, release material；
3) material that step 2) mixes is fed in double screw extruder and carries out melt blending, squeezed to material from twin-screw
, drying, pelletizing cooling through traction, are made fire-retardant termite-proof high insulated nylon CABLE MATERIALS after the completion after the die head in machine comes out out；
In step 3), each area's temperature setting of double screw extruder are as follows:
One area's temperature is 175~180 DEG C, and two area's temperature are 225~230 DEG C, and three area's temperature are 225~230 DEG C, four Qu Wen
Degree is 225~230 DEG C, and five area's temperature are 230~235 DEG C, and six area's temperature are 230~235 DEG C, and seven area's temperature are 225~230
℃；Head temperature is 230~235 DEG C；The engine speed of double screw extruder be 250~300r/min, host electric current be 60~
80A。
By fire-retardant termite-proof high insulated nylon CABLE MATERIALS prepared by embodiment 2 it is dry after with injection molding machine various standard samples are made
Item is tested after placing 24 hours；Injection molding machine temperature: 220 DEG C, 230 DEG C, 235 DEG C；Injection moulding speed 40g/s, injection time
10s, injection pressure 28MPa, dwell pressure 36MPa, dwell time 30s, testing result such as the following table 2:
The performance test results of fire-retardant termite-proof high insulated nylon CABLE MATERIALS in 2 embodiment 2 of table
Embodiment 3
A kind of fire-retardant termite-proof high insulated nylon CABLE MATERIALS, is prepared from the following raw materials: 90 mass parts of Nylon 1012 resin, Buddhist nun
10 mass parts of imperial 1012 elastomer, 10 mass parts of fire retardant, 0.3 mass parts of crosslinking agent, 0.6 mass parts of antioxidant, light stabilizer
0.6 mass parts, 1.5 mass parts of Masterbatch, 0.5 mass parts of chain extension lubricant, 6 mass parts of kaolin, 0.1 mass parts of coupling agent with
And 0.4 mass parts of dispersing agent；
Above-mentioned fire retardant is the compound of MCA fire retardant, hexaphenoxycyclotriphosphazene and amido silicon oil herein, and MCA is fire-retardant
The quality of agent: the quality of hexaphenoxycyclotriphosphazene: quality=7:2.5:0.5 of amido silicon oil；
Above-mentioned antioxidant is the compound of antioxidant 1098 and irgasfos 168, the quality of antioxidant 1098: antioxidant herein
168 quality=1:1；
Compound of the above-mentioned light stabilizer for light stabilizer 622 and light stabilizer 770 herein, the quality of light stabilizer 622:
Quality=1:1 of light stabilizer 770；
Above-mentioned crosslinking agent is BIPB herein；
Above-mentioned Masterbatch is using PA resin as the Masterbatch of the blue color of carrier herein；
Above-mentioned chain extension lubricant is that maleic anhydride is grafted PE wax herein；
Above-mentioned kaolin is the calcined kaolin of 5000 mesh herein；
Above-mentioned coupling agent is KH550 herein；
Above-mentioned dispersing agent is benzene sulfonyl butylamine herein.
The preparation method of above-mentioned fire-retardant termite-proof high insulated nylon CABLE MATERIALS in embodiment 3, comprising the following steps:
1) prepare kaolin master batch: Nylon 1012 resin 60Kg, coupling agent 0.67Kg after first taking drying are added to high speed
Mixed on low speed 2 minutes in mixing machine, 40Kg kaolin is then added, and mixed at high speed releases material to 90 DEG C again；
Then melt blending will be carried out in 1) material that this step mixes feeding double screw extruder, to material from double spiral shells
, drying, pelletizing cooling through traction after die head in bar extruder comes out, are made the kaolin master batch after the completion；
In step 1), each area's temperature of the double screw extruder is set are as follows: area's temperature is 175~180 DEG C, two area's temperature
Degree is 215~220 DEG C, and three area's temperature are 220~225 DEG C, and four area's temperature are 225~230 DEG C, and five area's temperature are 230~235
DEG C, six area's temperature are 230~235 DEG C, and seven area's temperature are 235~240 DEG C；Head temperature is 240~245 DEG C；Twin-screw extrusion
The engine speed of machine is 180~200r/min, and host electric current is 70~90A；
2) the Nylon 1012 resin 81Kg after drying, Nylon 1012 elastomer 10Kg, kaolin master batch 15Kg are taken and is divided
Powder 0.4Kg is added in high-speed mixer, and fire retardant 10Kg, crosslinking agent 0.3Kg, antioxidant are added after mixed at high speed 3 minutes
0.6Kg, light stabilizer 0.6Kg, chain extension lubricant 0.5Kg and blue master batch 1.5Kg are into high-speed mixer, mixed on low speed 1
Mixed at high speed 2 minutes again after minute release material；
3) material that step 2) mixes is fed in double screw extruder and carries out melt blending, squeezed to material from twin-screw
, drying, pelletizing cooling through traction, are made fire-retardant termite-proof high insulated nylon CABLE MATERIALS after the completion after the die head in machine comes out out；
In step 3), each area's temperature setting of double screw extruder are as follows: area's temperature is 175~180 DEG C, two area's temperature
It is 225~230 DEG C, three area's temperature are 225~230 DEG C, and four area's temperature are 225~230 DEG C, and five area's temperature are 230~235 DEG C,
Six area's temperature are 230~235 DEG C, and seven area's temperature are 225~230 DEG C；Head temperature is 230~235 DEG C；Double screw extruder
Engine speed is 250~300r/min, and host electric current is 60~80A.
By fire-retardant termite-proof high insulated nylon CABLE MATERIALS prepared by embodiment 3 it is dry after with injection molding machine various standard samples are made
Item is tested after placing 24 hours；Injection molding machine temperature: 220 DEG C, 230 DEG C, 235 DEG C；Injection moulding speed 40g/s, injection time
10s, injection pressure 28MPa, dwell pressure 36MPa, dwell time 30s, testing result such as the following table 3:
The performance test results of fire-retardant termite-proof high insulated nylon CABLE MATERIALS in 3 embodiment 3 of table
The sample prepared in above-mentioned 3 embodiments, hardness is all greater than shore 64D after tested, and surface is smooth, termite-proof
Reach 2 grades, sheet resistance is up to 1014Ohm and environmental protection flame retardant, fully meet the requirement of Anti-termite power cable.
Physics can achieve using the power cable of fire-retardant termite-proof high insulated nylon CABLE MATERIALS preparation provided by the invention
The termite-proof purpose of method, it is environmentally friendly, pollution-free, safe and reliable compared with construction method, chemical method are termite-proof.With existing termite-proof nylon
12 compare, and melt flow rate (MFR) is low, can be applicable in the power cable for squeezing out diameter 10-110mm, wall thickness 0.2-10mm, processability
Well, forming stability is more preferable；Sheet resistance is higher than termite-proof nylon 12, and insulating properties is more preferable and has flame-retarding characteristic；Bending strength,
Surface hardness is below termite-proof nylon 12, illustrates that its flexibility is better than termite-proof nylon 12, is more convenient for constructing.Especially implement
Product prepared by example 3, comprehensive performance are best.
The above description of the embodiment is only used to help understand the method for the present invention and its core ideas.It should be pointed out that pair
For those skilled in the art, without departing from the principle of the present invention, the present invention can also be carried out
Some improvements and modifications, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (10)
1. a kind of fire-retardant termite-proof high insulated nylon CABLE MATERIALS, which is characterized in that be made of several raw material, raw material includes nylon
1012 resin, 80~95 mass parts, 5~20 mass parts of Nylon 1012 elastomer, 7~18 mass parts of fire retardant, crosslinking agent 0.1~
0.5 mass parts, 0.1~1 mass parts of antioxidant, 0.1~1 mass parts of light stabilizer, 0.5~3 mass parts of Masterbatch, chain extension lubrication
0.1~1.2 mass parts of agent, 0.1~1.0 matter of 3~10 mass parts of kaolin, 0.03~0.2 mass parts of coupling agent and dispersing agent
Measure part.
2. fire-retardant termite-proof high insulated nylon CABLE MATERIALS according to claim 1, which is characterized in that raw material includes nylon
1012 resin, 85~92 mass parts, 8~15 mass parts of Nylon 1012 elastomer, 8~12 mass parts of fire retardant, crosslinking agent 0.15~
0.35 mass parts, 0.3~0.8 mass parts of antioxidant, 0.4~0.8 mass parts of light stabilizer, 1~2 mass parts of Masterbatch, chain extension
0.3~0.8 mass parts of lubricant, 5~8 parts of mass parts of kaolin, 0.05~0.1 mass parts of coupling agent and dispersing agent 0.2~
0.5 mass parts.
3. fire-retardant termite-proof high insulated nylon CABLE MATERIALS according to claim 1, which is characterized in that the fire retardant is
The compound of MCA fire retardant, hexaphenoxycyclotriphosphazene and amido silicon oil, the quality of MCA fire retardant: hexaphenoxycyclotriphosphazene
Quality: quality=7:2.5:0.5 of amido silicon oil.
4. fire-retardant termite-proof high insulated nylon CABLE MATERIALS according to claim 1, which is characterized in that the antioxidant is anti-
The compound of oxygen agent 1098 and irgasfos 168, the quality of antioxidant 1098: quality=1:1 of irgasfos 168.
5. fire-retardant termite-proof high insulated nylon CABLE MATERIALS according to claim 1, which is characterized in that the light stabilizer is
The compound of light stabilizer 622 and light stabilizer 770, the quality of light stabilizer 622: quality=1:1 of light stabilizer 770.
6. fire-retardant termite-proof high insulated nylon CABLE MATERIALS according to claim 1, which is characterized in that the crosslinking agent is
BIPB；
The Masterbatch is using PA, PE or EVA resin as the red, yellow, green, blue of carrier or the Masterbatch of black color；
The chain extension lubricant is that maleic anhydride is grafted PE wax；
The kaolin is the calcined kaolin of 5000 mesh；
The coupling agent is KH550；
The dispersing agent is benzene sulfonyl butylamine.
7. the preparation method of fire-retardant termite-proof high insulated nylon CABLE MATERIALS described in a kind of any one of claim 1~6,
It is characterized in that, comprising the following steps:
1) prepare kaolin master batch: it is mixed that Nylon 1012 resin, coupling agent after first taking drying are added to low speed in high-speed mixer
It closes, kaolin is then added, and again then mixed at high speed releases material to 90 DEG C；
Then 1) material that this step mixes is fed in double screw extruder and carries out melt blending, squeezed to material from twin-screw
, drying, pelletizing cooling through traction, are made the kaolin master batch after the completion after the die head in machine comes out out；
2) kaolin master batch and dispersing agent made from the Nylon 1012 resin, Nylon 1012 elastomer, step 1) after taking drying
Be added to high-speed mixer high speed mixing, then by crosslinking agent, fire retardant, antioxidant, light stabilizer, chain extension lubricant and
Masterbatch is added in high-speed mixer, then first mixed on low speed mixed at high speed again releases material；
3) melt blending will be carried out in material that step 2) mixes feeding double screw extruder, to material from double screw extruder
In die head come out after, drying, pelletizing cooling through traction, fire-retardant termite-proof high insulated nylon CABLE MATERIALS is made after the completion.
8. preparation method according to claim 7, which is characterized in that the melt flow rate (MFR) of the Nylon 1012 resin is
1~6g/10min；
The shore hardness of the Nylon 1012 elastomer is 48D, and melt flow rate (MFR) is 1~10g/10min.
9. preparation method according to claim 7, which is characterized in that in step 1), each area of the double screw extruder
Temperature setting are as follows: area's temperature be 175~180 DEG C, two area's temperature be 215~220 DEG C, three area's temperature be 220~225 DEG C, four
Area's temperature be 225~230 DEG C, five area's temperature be 230~235 DEG C, six area's temperature be 230~235 DEG C, seven area's temperature be 235~
240℃；
Head temperature is 240~245 DEG C；The engine speed of double screw extruder be 180~200r/min, host electric current be 70~
90A。
10. preparation method according to claim 7, which is characterized in that in step 3), each area's temperature of double screw extruder
Degree setting are as follows: area's temperature is 175~180 DEG C, and two area's temperature are 225~230 DEG C, and three area's temperature are 225~230 DEG C, 4th area
Temperature is 225~230 DEG C, and five area's temperature are 230~235 DEG C, and six area's temperature are 230~235 DEG C, and seven area's temperature are 225~230
℃；
Head temperature is 230~235 DEG C；The engine speed of double screw extruder be 250~300r/min, host electric current be 60~
80A。
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