CN110194862A - One kind being based on the fire-retardant PE CABLE MATERIALS of draft flowing deformation technology and its continuous preparation method - Google Patents
One kind being based on the fire-retardant PE CABLE MATERIALS of draft flowing deformation technology and its continuous preparation method Download PDFInfo
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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
- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses one kind to be based on the fire-retardant PE CABLE MATERIALS of draft flowing deformation technology and its continuous preparation method.The CABLE MATERIALS includes the raw material that following mass parts calculate: 100 parts of base resins, 150~300 parts of fire retardants, 5~20 parts of compatilizers, 0.5~3 part of antioxidant, 4~20 parts of fire retarding synergists, 1~5 part of coupling agent, 0.5~2 part of lubricant, 0.1~1 part of colorant；The base resin is the mixture of LLDPE and EVA.The method for continuously preparing above-mentioned CABLE MATERIALS includes the steps that pretreatment, premix, extruding pelletization.Compared to the preparation method of the double ranks of electric cable material with low smoke and halogen free tradition mixing, advantages of the present invention and the utility model has the advantages that simple process, easy to operate is at low cost, is suitable for industrial mass production；It enhances product performance, to material wide adaptability；Occupation area of equipment is small, high production efficiency.
Description
Technical field
It is the present invention relates to high-molecular compound technical field, in particular to a kind of based on fire-retardant made of draft flowing deformation technology
The continuous preparation method of PE CABLE MATERIALS and the CABLE MATERIALS.
Background technique
Cable product is many kinds of in the world, and wherein the product of thermoplastic resin is mainly PE, PVC, PP, PA etc..Closely
Nian Lai, cable, wire products yield all in sustainable growth state, especially PE cable product, due to that can be returned with environmental protection
The characteristic of recycling is received, therefore gradually substitutes PVC cable, so that PE cable product consumption improves year by year.PE cable product
It is widely used, it can be (low using HDPE (high density polyethylene (HDPE)), MDPE (medium density polyethylene), LDPE for different demands
Density polyethylene), XLPE (crosslinked polyethylene), the raw materials such as LLDPE (linear low density polyethylene) are produced.
It, can be by the insulating sheath of electric wire, outer layer protection etc. all using XLPE or low for the safety of cable product
Cigarette Zero halogen flame resistance polyethylene.From the point of view of whole market, fireproofing cable material without halide is prior development direction from now on, is used
Amount is only second to PVC cable.And it needs to be added a large amount of fire retardants in the production process of low-smoke non-halogen flame-retardant polyethylene product and is changed
Property production, while to add the auxiliary agent of larger proportion component also to realize the effect of low-smoke non-halogen flame-retardant.Existing low smoke and zero halogen electricity
The production equipment of cable material needs to realize by the double rank units of mixing, i.e., by close for the mixing dispersion for enhancing a large amount of fire retardants
Mill and twin-screw carry out material dispersion jointly and are kneaded the ideal effect that can be only achieved plasticizing.But the behaviour of the double rank units of mixing
Make complexity, energy consumption is high, and yield is very low, so that the production cost of low-smoke non-halogen flame-retardant polyethylene product is high.
Summary of the invention
To solve tradition honey, to refine double rank units consumptions high, low output and the production for leading to low-smoke non-halogen flame-retardant polyethylene product
The high problem of cost, this technology, which provides, a kind of utilizes the fire-retardant PE CABLE MATERIALS quantity-produced system of draft flowing deformation technology progress
Preparation Method.
Chinese patent Authorization Notice No. CN 101219565 B (the high polymer material plasticizing transportation method based on draft flowing deformation
And equipment) it is by the skill of South China Science & Engineering University's polymer novel forming equipment National Engineering Research Centre professor Qu Jinping research and development
Art.The equipment has that low energy consumption, weak shearing, conveying capacity be strong, mixing is uniformly dispersed compared to traditional spiro rod plasticizing equipment
Feature, and then the traditional mode of production PE cable material formula for resulting in the need for largely adding auxiliary agent becomes outdated.Therefore this technology is same
When additionally provide the raw material proportioning of corresponding fire-retardant PE CABLE MATERIALS.
A kind of CABLE MATERIALS, is calculated in parts by mass, and raw material includes following components:
Further, the base resin is LLDPE (linear low density polyethylene) and EVA (ethylene-vinyl acetate copolymerization
Object) mixture, the mass ratio of the linear low density polyethylene and ethylene-vinyl acetate copolymer is (5~8): 3；It is excellent
Selection of land, the melt index of the linear low density polyethylene are 0.1~0.3g/min；Preferably, the ethylene-vinyl acetate
The melt index of copolymer is 0.1~0.2g/min.
Further, it is compound to be selected from one or both of aluminium hydroxide, magnesium hydroxide for the fire retardant.
Further, the compatilizer is selected from PE-g-MAH (Research of Grafting Malaic Anhydride Onto Polyethylene), POE-g-MAH (maleic anhydride
Connect ethylene octene copolymer), maleic anhydride connect at least one of ethene-vinyl acetate, grafting rate is 1% or more.
Further, the antioxidant is selected from 1,1,3- tri- (2- methyl -4- hydroxyl -5- tert-butyl-phenyl) butane, 3- (3,5-
Di-tert-butyl-hydroxy phenyl) Isooctyl acrylate monomer, four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythrites
At least one of ester and DLTP (dilauryl thiodipropionate).
Further, the fire retarding synergist is selected from least one of talcum powder, zinc borate, molybdenum trioxide.
Further, the coupling agent is selected from one of titanate coupling agent or silane coupling agent；Preferably, the coupling
Agent is monoalkoxytitanates.
Further, the lubricant is selected from least one of calcium stearate, magnesium stearate, barium stearate, polyethylene wax.
The method for continuously preparing above-mentioned CABLE MATERIALS, comprising steps of
1. pretreatment: coupling agent being dissolved with dehydrated alcohol, uniformly spray is into fire retardant, at room temperature, uses
High-speed mixer is stirred 5~10min with the revolving speed of 1000r/min；
2. premix: pretreated mixture is added in base resin, antioxidant, fire retarding synergist, compatilizer, lubricant
In, under conditions of 60~70 DEG C, 15~25min is stirred with the revolving speed of 1500r/min；
3. extruding pelletization: draft flowing deformation extruder extruding pelletization will be sent by the mixture of pre-mixing process, can be obtained
Fire-retardant PE CABLE MATERIALS.
Above-mentioned draft flowing deformation extruder is eccentric rotor extrusion system draft flowing deformation extruder, and compression ratio is 2.5~3.0,
Draw ratio is 20~25, and divergent function section is 25 repetitive units pressed than for 3.It is sent inside the draft flowing deformation extruder
The temperature for expecting chamber is 30~200 DEG C, and rotor speed is 10~150 revs/min.
Compared with prior art, the advance of above-mentioned preparation method is mixed by the reigning plasticizing of draft flowing deformation
Refining effect, the plasticizing for realizing fire-retardant PE CABLE MATERIALS component transport and uniformly mix dispersion.The present invention revolutionizes screw rod and squeezes
This traditional processing technology mode of method out realizes the continuous preparation process of fire-retardant PE CABLE MATERIALS product, has material completely just
The features such as displacement transports, residence time destribution is narrow, thermomechanical course is short, the PE CABLE MATERIALS produced is had excellent performance.
Advantages of the present invention and the utility model has the advantages that simple process, easy to operate, it is at low cost, it is suitable for industrial mass production；It mentions
High product performance, to material wide adaptability；Occupation area of equipment is small, high production efficiency.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment to design of the invention, specific structure and generation clear, complete
Ground description, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is of the invention one
Section Example, rather than whole embodiments.
Embodiment 1
Fire-retardant PE CABLE MATERIALS is prepared based on draft flowing deformation technology.3 parts of monoalkoxytitanates are dissolved with dehydrated alcohol,
It is even to spray to 120 parts of ALOH3With 50 parts of MgOH2In, at room temperature, high-speed mixer is used to stir with the revolving speed of 1000r/min
Mix 5~10min of mixing；Again by 72 parts of LLDPE, 28 parts of EVA, 10 parts of PE-g-MAH, 0.3 part of antioxidant 1010,0.2 part of DLTP, 5
Part talcum powder, 10 parts of zinc borates, 1 part of molybdenum trioxide, 1 part of barium stearate, 0.5 part of polyethylene wax, 0.5 part of color masterbatch are added high speed and mix
Among conjunction machine, 30min is stirred with the revolving speed of 1200~1500r/min, after the completion of mixing, discharge premix is spare.
Draft flowing deformation plasticizing extrusion equipment is added in premix and carries out extruding pelletization, draft flowing deformation plasticizing, which squeezes out, when extrusion sets
135 DEG C of first segment, 165 DEG C of second segment, 180 DEG C of third section, the 4th section 185 DEG C, the 5th section are set separately in standby each section of processing temperature
185 DEG C, 175 DEG C of die head temperature, compression ratio 2.6, rotor draw ratio is 22, and rotor speed is 90 revs/min, squeezes out batten and passes through
Sink cooling and hot-air seasoning pelletizing, are produced into PE CABLE MATERIALS.Sampling and testing performance, such as " each embodiment object of PE cable material of table 1
Rationality energy " shown in, indices all conform to quality requirements.
Embodiment 2
Fire-retardant PE CABLE MATERIALS is prepared based on draft flowing deformation technology.4 parts of monoalkoxytitanates are dissolved with dehydrated alcohol,
It is even to spray to 100 parts of ALOH3With 80 parts of MgOH2In, at room temperature, high-speed mixer is used to stir with the revolving speed of 1000r/min
Mix 5~10min of mixing；Again by 65 parts of LLDPE, 35 parts of EVA, 15 parts of PE-g-MAH, 0.3 part of antioxidant 1010,0.2 part of DLTP, 4
Part talcum powder, 12 parts of zinc borates, 2 parts of molybdenum trioxides, 1 part of barium stearate, 0.5 part of polyethylene wax, 0.5 part of color masterbatch are added high speed and mix
Among conjunction machine, 30min is stirred with the revolving speed of 1200~1500r/min, after the completion of mixing, discharge premix is spare.
Draft flowing deformation plasticizing extrusion equipment is added in premix and carries out extruding pelletization, draft flowing deformation plasticizing, which squeezes out, when extrusion sets
135 DEG C of first segment, 165 DEG C of second segment, 180 DEG C of third section, the 4th section 185 DEG C, the 5th section are set separately in standby each section of processing temperature
185 DEG C, 175 DEG C of die head temperature, compression ratio 2.6, rotor draw ratio is 22, and rotor speed is 90 revs/min, squeezes out batten and passes through
Sink cooling and hot-air seasoning pelletizing, are produced into PE CABLE MATERIALS.Sampling and testing performance, such as " each embodiment object of PE cable material of table 1
Rationality energy " shown in, indices all conform to quality requirements.
Embodiment 3
Fire-retardant PE CABLE MATERIALS is prepared based on draft flowing deformation technology.4 parts of monoalkoxytitanates are dissolved with dehydrated alcohol,
It is even to spray to 130 parts of ALOH3With 60 parts of MgOH2In, at room temperature, high-speed mixer is used to stir with the revolving speed of 1000r/min
Mix 5~10min of mixing；Again by 70 parts of LLDPE, 30 parts of EVA, 7 parts of PE-g-MAH, 5 parts of POE-g-MAH, 0.3 part of antioxidant
1010,0.2 part of DLTP, 7 parts of talcum powder, 10 parts of zinc borates, 3 parts of molybdenum trioxides, 1 part of barium stearate, 0.5 part of polyethylene wax, 0.5
Part color masterbatch is added among high-speed mixer, is stirred 30min with the revolving speed of 1200~1500r/min, after the completion of mixing, discharge
Premix is spare.
Draft flowing deformation plasticizing extrusion equipment is added in the material metering of premixing and carries out extruding pelletization, draft flowing deformation when extrusion
135 DEG C of first segment, 165 DEG C of second segment, 180 DEG C of third section, the 4th section 185 is set separately in plasticizing each section of processing temperature of extrusion equipment
DEG C, the 5th section 185 DEG C, 175 DEG C of die head temperature, compression ratio 2.6, rotor draw ratio be 22, rotor speed be 90 revs/min, squeeze
Batten is produced into PE CABLE MATERIALS through water-carrying groove cooling and hot-air seasoning pelletizing out.Sampling and testing performance, such as " the PE cable material of table 1
Each embodiment physical property " shown in, indices all conform to quality requirements.
Comparative example 1
Fire-retardant PE CABLE MATERIALS is prepared based on draft flowing deformation technology.3 parts of monoalkoxytitanates are dissolved with dehydrated alcohol,
It is even to spray to 120 parts of ALOH3With 50 parts of MgOH2In, at room temperature, high-speed mixer is used to stir with the revolving speed of 1000r/min
Mix 5~10min of mixing；Again by 70 parts of LLDPE, 30 parts of EVA, 10 parts of MC226 (commercially available PE-g-MAH product), 0.3 part of antioxidant
1010,0.2 part of DLTP, 5 parts of talcum powder, 10 parts of zinc borates, 1 part of molybdenum trioxide, 1 part of barium stearate, 0.5 part of polyethylene wax, 0.5
Part color masterbatch is added among high-speed mixer, is stirred 30min with the revolving speed of 1200~1500r/min, after the completion of mixing, discharge
Premix is spare.
Draft flowing deformation plasticizing extrusion equipment is added in premix and carries out extruding pelletization, draft flowing deformation plasticizing, which squeezes out, when extrusion sets
135 DEG C of first segment, 165 DEG C of second segment, 180 DEG C of third section, the 4th section 185 DEG C, the 5th section are set separately in standby each section of processing temperature
185 DEG C, 175 DEG C of die head temperature, compression ratio 2.6, rotor draw ratio is 22, and rotor speed is 90 revs/min, squeezes out batten and passes through
Sink cooling and hot-air seasoning pelletizing, are produced into PE CABLE MATERIALS.Sampling and testing performance, such as " each embodiment object of PE cable material of table 1
Rationality energy " shown in, indices all conform to quality requirements.
Comparative example 2
3 parts of monoalkoxytitanates are dissolved with dehydrated alcohol, uniformly spray to 150 parts of ALOH3With 80 parts of MgOH2In,
Under room temperature, high-speed mixer is used to be stirred 5~10min with the revolving speed of 1000r/min；Again by 70 parts of LLDPE, 30 parts
EVA, 15 parts of PE-g-MAH, 0.3 part of antioxidant 1010,0.2 part of DLTP, 4 difference talcum powder, 15 parts of zinc borates, 1 part of three oxidation
Molybdenum, 1 part of barium stearate, 0.5 part of polyethylene wax, 0.5 part of color masterbatch are added among high-speed mixer, with 1200~1500r/min's
Revolving speed is stirred 30min, and after the completion of mixing, discharge premix is spare.
Through the double rank unit extruding pelletizations of mixing after uniformly mixed material is taken out, product can be obtained.Twin-screw extrusion
Temperature setting of the machine from 1st area to die head is respectively as follows: 135 DEG C, 145 DEG C, 155 DEG C, 165 DEG C, 165 DEG C, 160 DEG C.Single screw rod squeezes out
Temperature setting of the machine from 1st area to die head is respectively as follows: 100 DEG C, 145 DEG C, 150 DEG C, 150 DEG C.Sampling and testing performance, such as " the PE electricity of table 1
Each embodiment physical property of cable material " shown in.
Each embodiment physical property of 1 PE cable material of table
By comparing it is found that Examples 1 to 3 refers in tensile strength, elongation at break, bending strength, bending modulus, melting
Number, oxygen index (OI) etc. obtain the measurement achievement for being better than comparative example 1.
Properties unit and measurement method in 2 table 1 of table
| Physical property | Unit | Test method |
| Tensile strength | MPa | GB/T 1040.1 |
| Elongation | % | GB/T 1040.1 |
| Bending strength | MPa | GB/T 9341 |
| Bending modulus | MPa | GB/T 9341 |
| Izod notch impact strength | KJ.m-2 | GB/T 1043 |
| Melt index | g/10min | 190℃,10Kg |
| Oxygen index (OI) | % | GB/T 2406.2 |
Although above the present invention is described in detail with a general description of the specific embodiments,
On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause
This, these modifications or improvements, fall within the scope of the claimed invention without departing from theon the basis of the spirit of the present invention.
Claims (12)
1. a kind of CABLE MATERIALS, which is characterized in that calculate in parts by mass, including following components:
2. CABLE MATERIALS according to claim 1, which is characterized in that the base resin is linear low density polyethylene and second
Alkene-vinyl acetate co-polymer mixture；Preferably, linear low density polyethylene and ethylene-vinyl acetate copolymer
Mass ratio is (5~8): 3；Preferably, the melt index of the linear low density polyethylene is 0.1~0.3g/min；Preferably,
The melt index of the ethylene-vinyl acetate copolymer is 0.1~0.2g/min.
3. CABLE MATERIALS according to claim 1, which is characterized in that the fire retardant is in aluminium hydroxide, magnesium hydroxide
One or two it is compound.
4. CABLE MATERIALS according to claim 1, which is characterized in that the compatilizer is selected from poly- using draft flowing deformation extruder
Vinyl Graft maleic anhydride, maleic anhydride connect ethylene octene copolymer, maleic anhydride connect in ethene-vinyl acetate at least one
Kind, grafting rate is 1% or more.
5. CABLE MATERIALS according to claim 1, which is characterized in that the antioxidant is selected from 1,1,3- tri- (2- methyl -4- hydroxyl
Base -5- tert-butyl-phenyl) butane, 3- (3,5- di-tert-butyl-hydroxy phenyl) Isooctyl acrylate monomer, four [β-(3,5- bis- tertiary fourths
Base -4- hydroxy phenyl) propionic acid] at least one of pentaerythritol ester and dilauryl thiodipropionate.
6. CABLE MATERIALS according to claim 1, which is characterized in that the fire retarding synergist is selected from talcum powder, zinc borate, three
At least one of molybdenum oxide.
7. CABLE MATERIALS according to claim 1, which is characterized in that the coupling agent is selected from titanate coupling agent or silane is even
Join one of agent；Preferably, the coupling agent is monoalkoxytitanates.
8. CABLE MATERIALS according to claim 1, which is characterized in that the lubricant is selected from calcium stearate, magnesium stearate, hard
At least one of resin acid barium, polyethylene wax.
9. a kind of method for preparing fire-retardant PE CABLE MATERIALS based on draft flowing deformation technology, which comprises the following steps:
1. pretreatment: coupling agent being dissolved with dehydrated alcohol, uniformly spray is into fire retardant, at room temperature, using high speed
Mixing machine is stirred 5~10min with the revolving speed of 1000r/min；
2. premix: base resin, antioxidant, fire retarding synergist, compatilizer, lubricant are added in pretreated mixture,
Under conditions of 60~70 DEG C, 15~25min is stirred with the revolving speed of 1500r/min；
3. extruding pelletization: draft flowing deformation extruder extruding pelletization will be sent by the mixture of pre-mixing process, can be obtained fire-retardant
PE CABLE MATERIALS.
10. according to the method described in claim 9, it is characterized in that, the draft flowing deformation extruder is that eccentric rotor squeezes system
System draft flowing deformation extruder, compression ratio are 2.5~3.0, and draw ratio is 20~25.
11. according to the method described in claim 9, it is characterized in that, the draft flowing deformation extruder is that eccentric rotor squeezes system
System draft flowing deformation extruder, divergent function section is 25 repetitive units pressed than for 3.
12. method described in 0 or 11 according to claim 1, which is characterized in that feeding inside the draft flowing deformation plasticizing extruder
The temperature of chamber is 30~200 DEG C, and rotor speed is 10~150 revs/min.
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| CN111363239A (en) * | 2020-03-27 | 2020-07-03 | 华南理工大学 | High-toughness high-strength wood-plastic composite material and preparation method thereof |
| CN113292792A (en) * | 2021-06-25 | 2021-08-24 | 华南理工大学 | rPP/POE/nano-silica composite material and preparation method and application thereof |
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