CN109705431A - A kind of anti-electrostatic flame-retardant polyvinyl material and preparation method thereof - Google Patents
A kind of anti-electrostatic flame-retardant polyvinyl material and preparation method thereof Download PDFInfo
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Abstract
The invention belongs to high molecule plastic technical field of modification, more particularly to a kind of anti-electrostatic flame-retardant polyvinyl material and preparation method thereof, the material, which comprises the following components in parts by weight, to be made: 100 parts of high density polyethylene (HDPE), 1-2.5 parts of antioxidant, 10-25 parts of fire retardant, 0-5 parts of fire retarding synergist, 0.5-1 parts of antistatic agent, 3-8 parts of defoaming agent, 1.2-1.6 parts of crosslinking agent, 0.2-0.6 parts of coupling agent, 1-3 parts of dispersing agent, 8-15 parts of calcium carbonate powder, 20-30 parts of powdered sodium carbonate, 2-10 parts of lime powder, 10-15 parts of glass powder, 8-12 parts of animal hair, 6-25 parts of iron powder fine powder, the anti-electrostatic flame-retardant polyvinyl material that the present invention develops, weather resistance is excellent, persistence is strong, catabolite environmental pollution is small, it is antistatic Property stablize persistently, and fire-retardant fireproof is good, can reach the V-0 grade standard of UL-94, sodium carbonate and calcium carbonate, and in the case of fire, sodium carbonate and Decomposition of Calcium Carbonate go out carbon dioxide, has fire extinguishing effect；Contain iron powder in ingredient simultaneously, rapid oxidation changes colour at high temperature, has safe warning function.
Description
Technical field
The invention belongs to high molecule plastic technical field of modification, and in particular to a kind of anti-electrostatic flame-retardant polyvinyl material and its
Preparation method.
Background technique
It is well known that plastics generally have a good electrical insulation capability, however its surface be easy accumulation electrostatic again and with certain
Kind electrostatic.In underground coal mine, need to manufacture various pipes using antistatic, flame resistant plastic pipe in order to which fire safety is explosion-proof
Road equipment, such as underground coal mine is used to supply water, air draft, wind, whitewashing and the pipeline of firedamp drainage is pressed all to use antistatic material
Material manufactures equipment, can make the electrostatic of device surface be conducted into time to avoid accumulation of static electricity is excessive and ignition on fire of discharging.
For a long time, various plastic products are applied to underground, but MT113-85 is not achieved " under certain mine in quite a few plastic pipe
With nonmetallic (polymer) product safety performance inspection specification " standard of defined.The sheet resistance value of these tubing generally exists
1010-1012It is even higher, thus cannot apply or service life is shorter.In United States Patent (USP) U.S.4558087, one is disclosed
The antistatic hard commodity vinyl chloride resin synthetic of conductive black is added in kind, but the patent defines that it is used antistatic
Agent conductive black, oil absorption and at least 800m with 3.00-4.00ml/g2The feature of the specific surface area of/g.This conduction charcoal
The black resistance for making material really drops to 104Left and right, but the conductive black with this feature is difficult to produce, and makes manufacturing for commodity
Expense greatly improves, so needing to find a kind of novel high-performance antistatic agent.The flame-retardancy requirements of coal mine tubing are also very high, resistance
What combustion agent combined in polythene material very securely will not must lose flame retardant property because using the time long, this just needs me
Seek the fire retardant of high flame retardant.Certainly, also very high for the ageing-resistant usability requirement of the tubing of underground coal mine, because
It is very inconvenient that underground coal mine installs a tubing, it would be desirable to which the safe operating life of tubing is long, at the same time it is wished that polythene material
Have the function of self-extinguishing, sodium carbonate is soluble easily in water, fusing point at 851 degrees Celsius, more than fusing point can decompose generate sodium oxide molybdena with
Carbon dioxide, calcium carbonate are decomposed into calcium oxide and carbon dioxide at about 825 DEG C, and calcium oxide can be used as desiccant and absorb moisture.
Therefore, develop while having the polyethylene of permanent antistatic, anti-flammability, self-extinguishing, warning and resistance to ag(e)ing
Material is fabricated to tubing and uses the generation that can efficiently reduce accident of mine disaster in various mines, and can be used in materials for wall,
Avoid the generation of fire.
Summary of the invention
It is an object of the invention to provide in view of the drawbacks of the prior art a kind of anti-electrostatic flame-retardant polyvinyl material and its
Preparation method, the anti-electrostatic flame-retardant polyvinyl material production product have fire-proof and explosion-proof ability, ageing-resistant, long service life,
It is light-weight, the effect of transport, easy for installation, security warning and self-extinguishing, the preparation suitable for mining pipes or wall.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of anti-electrostatic flame-retardant polyvinyl material is made of the component of following parts by weight:
The fire retardant and fire retarding synergist are selected from tributyl phosphate, tri-2-ethylhexyl phosphate, tricresyl phosphate (2- chlorine
Ethyl) ester, tricresyl phosphate (2,3- bis- chloropropyl) ester, tricresyl phosphate (2,3- dibromopropyl) ester, Pyrol99, methylene bromide, trichlorine bromine
One or more of methane, two chlorobromomethanes and octabromodiphenyl base oxide, pentabromoethyl benzene, tetrabromobisphenol, and fire retardant and
Fire retarding synergist is different；
The antistatic agent is selected from lauric acid diethyl amide, sodium sulfonate, octadecyldimethyl ethoxy quaternary ammonium nitre
One or more of hydrochlorate or bis- (beta-hydroxyethyl) stearylamines；
The defoaming agent is selected from silicone emulsion, the fatty acid ester compounded object of higher alcohols, polyoxyethylene polyoxypropylene pentaerythrite
Ether, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether and polyoxyethylene polyoxypropylene glycerin ether, dimethyl silicone polymer
One or more of；
The crosslinking agent is selected from one or more of dibenzoyl peroxide or iso-cyanuric acid triallyl ester；
The coupling agent be selected from vinyl trichlorosilane, γ-(methacryloxy) propyl trimethoxy silicane or
One or more of gamma-aminopropyl-triethoxy-silane；
The dispersing agent is microcrystalline wax and polyethylene wax；Paraffin belongs to external lubricant, but is nonpolar linear hydrocarbon, no
Metal surface can be soaked, that is to say, that the resins adhesion metallic walls such as polyvinyl chloride cannot be prevented, therefore be conducive to iron powder fine powder with
Other organic matters closely combine；
The animal hair length is 2-10 millimeters, animal hair (pig hair, ox hair, wool etc.), epoxy resin and described
Polyethylene wax is mixed according to 5-10 parts, 2-3 parts and 4-7 parts of components by weight percent respectively, and animal hair and epoxy resin mixing are abundant
The polyethylene wax is added again afterwards to be sufficiently mixed, occur fire when, animal hair can conflagration generate gap, will be extraneous
The high temperature of high fire is pass on to calcium carbonate and sodium carbonate, and calcium carbonate and sodium carbonate is promoted to be generated carbon dioxide, titanium dioxide by thermal decomposition
Carbon is discharged along the gap that animal hair burning generates, and carries out the effect of flame-retarding fire-extinguishing.
Preferably, the animal hair need to carry out ungrease treatment.The animal hair holding time after ungrease treatment is longer, and
It is not easy to fall off, be conducive to combine closely with other organic matters.
Preferably, the iron powder fine powder need to carry out demagnetization processing.It is not in the feelings of agglomerate after iron powder fine powder demagnetization processing
Condition is more conducive to the dispersion of iron powder fine powder.Iron powder fine powder is easy to happen oxidation and forms iron rust in a humid environment, and iron rust
With preferable protective action, layer protecting film is formed in pipeline external surface, avoiding pipeline, exposure is old in air for a long time
Change, while also forming one layer of thermal insulation layer, to improve the refractory ability of pipeline.
Preferably, the sodium carbonate is first mixed with calcium oxide, forms mixture, drying of the calcium oxide as sodium carbonate
Agent prevents sodium carbonate from decomposing in advance.The pipeline made of the polythene material this method at high temperature by long-time calcination when,
Calcium carbonate can decompose, and the carbon dioxide decomposited can arrange the oxygen of pipeline, to avoid flame attached in pipeline
Nearly burning.
Preferably, the antioxidant is the antioxidant extracted from capsicum.
A kind of preparation method of anti-electrostatic flame-retardant polyvinyl material, method includes the following steps:
(1) weigh 100 parts of high density polyethylene (HDPE), 1-2.5 parts of antioxidant, 10-25 parts of fire retardant, 0-5 parts of fire retarding synergist,
0.5-1 parts of antistatic agent, 3-8 parts of defoaming agent, 1-3 parts of dispersing agent, 8-15 parts of calcium carbonate powder, 20-30 parts of powdered sodium carbonate, oxygen
Change calcium powder 2-10 parts, 10-15 parts of glass powder, 8-12 parts of animal hair, 6-25 parts of iron powder fine powder mixed in high-speed mixer
8-14min is closed, temperature is maintained at 100-120 DEG C, revolving speed 750-900r/min, is risen after vacuumizing inside high-speed mixer
Temperature is prevented oxidation of iron powder, iron ball is heated to 110 DEG C before mixing, is wrapped up, is put into high-speed mixer using high temperature resistance diaphragm, high
Fast mixing machine revolving speed is high, and 110 DEG C of iron balls are added in mixing velocity block, is on the one hand to keep mixing heated more evenly, on the other hand in order to
Iron ball is under high-speed rotation in mixed process, and bounce keeps mixing efficiency higher constantly inside high-speed mixer；
(2) mixed material of step (1) preparation is added into crosslinking agent 1.2-1.6 in 60-75 DEG C of 5~12min of mixing
Part, 0.2-0.6 parts of coupling agent carry out crosslinking 2.5-3.5h, temperature is maintained at 80~90 DEG C；
(3) then, with parallel double-screw extruder extruding pelletization, prilling temperature is placed on charcoal at 135~180 DEG C, by pellet
100-120 DEG C of dry a period of time is maintained the temperature on fire；
(4) pellet of step (3) preparation is subjected to extrusion molding, then cools down, cuts to obtain product；Feeding section 120~140
DEG C, 140~160 DEG C of fluxing zone, 160~180 DEG C of homogenizing zone, 150~160 DEG C of mouth mold.
Preferably, the high temperature resistance diaphragm is PA66 film.
Preferably, the metal ball is aluminum products, and thermal conductivity is good, light weight.
Preferably, the pellet is put into lime powder before being dried using charcoal fire and carries out preliminarily dried.
Compared with prior art, the beneficial effects of the present invention are:
1. compared with prior art, the anti-electrostatic flame-retardant polyvinyl material that the present invention develops, weather resistance is excellent, persistently
Property it is strong, catabolite environmental pollution is small, and antistatic property is stablized persistently, and fire-retardant fireproof is good, can reach the V-0 of UL-94
Grade standard.
2. the anti-electrostatic flame-retardant polyvinyl material that the present invention develops, sodium carbonate and calcium carbonate are contained in ingredient, if being made into
Materials for wall, in the case of fire, under high temperature action, sodium carbonate and Decomposition of Calcium Carbonate go out carbon dioxide, can effectively control
Fire spreading and have fire extinguishing effect；Contain iron powder in ingredient simultaneously, rapid oxidation changes colour at high temperature, in the room that do not catch fire
Between personnel warned, have safe warning function, calcium oxide have the function of desiccant absorption moisture, prevent sodium carbonate molten
Solution.
Specific embodiment
The present invention is further illustrated with reference to embodiments.
Using the properties of GB (national standard) measurement material in embodiment, unless otherwise instructed, the number of component is attached most importance to
Measure number.
Embodiment 1
100 parts of high density polyethylene (HDPE), 1 part of antioxidant, 10 parts of tributyl phosphate, fire retarding synergist are weighed by composition of raw materials ratio
0 part, 0.5 part of lauric acid diethyl amide, 4 parts of silicone emulsion, 1.5 parts of microcrystalline wax, 8 parts of calcium carbonate powder, powdered sodium carbonate
22 parts, 4 parts of lime powder, 11 parts of glass powder, 9 parts of animal hair, 10 parts of iron powder fine powder carry out mixing 8- in high-speed mixer
14min, temperature are maintained at 100-120 DEG C, revolving speed 750-900r/min, iron ball are heated to 110 DEG C before mixing, uses high temperature resistant
Film package, is put into high-speed mixer, and high temperature resistance diaphragm is PA66 film；
Said mixture material is added into oxidation 1.3 parts of dibenzoyl, vinyl in 60-75 DEG C of 5~12min of mixing again
0.3 part of trichlorosilane carries out crosslinking 2.5-3.5h, and temperature is maintained at 80~90 DEG C；
Then, with parallel double-screw extruder extruding pelletization, pellet is placed on charcoal fire by prilling temperature at 135~180 DEG C
Maintain the temperature at 100-120 DEG C of dry a period of time；
Pellet is subjected to extrusion molding, then cools down, cut to obtain product；120~140 DEG C of feeding section, fluxing zone 140~160
DEG C, 160~180 DEG C of homogenizing zone, 150~160 DEG C of mouth mold.
Embodiment 2
100 parts of high density polyethylene (HDPE), 1.5 parts of antioxidant, tri-2-ethylhexyl phosphate 13 are weighed by composition of raw materials ratio
Part, 2 parts of tetrabromobisphenol, 0.6 part of sodium sulfonate, 6 parts of the fatty acid ester compounded object of higher alcohols, 1 part of microcrystalline wax, calcium carbonate powder 10
Part, 25 parts of powdered sodium carbonate, 6 parts of lime powder, 13 parts of glass powder, 11 parts of animal hair, 15 parts of iron powder fine powder are mixed in high speed
Conjunction machine carries out mixing 8-14min, and temperature is maintained at 100-120 DEG C, revolving speed 750-900r/min, is heated to iron ball before mixing
It 110 DEG C, is wrapped up, is put into high-speed mixer using high temperature resistance diaphragm, high temperature resistance diaphragm is PA66 film；
Said mixture material is added into iso-cyanuric acid triallyl ester 1.2 in 60-75 DEG C of 5~12min of mixing again
Part, 0.4 part of propyl trimethoxy silicane of γ-(methacryloxy) carry out crosslinking 2.5-3.5h, temperature is maintained at 80~90
℃；
Then, with parallel double-screw extruder extruding pelletization, pellet is placed on charcoal fire by prilling temperature at 135~180 DEG C
Maintain the temperature at 100-120 DEG C of dry a period of time；
Pellet is subjected to extrusion molding, then cools down, cut to obtain product；120~140 DEG C of feeding section, fluxing zone 140~160
DEG C, 160~180 DEG C of homogenizing zone, 150~160 DEG C of mouth mold.
Embodiment 3
100 parts of high density polyethylene (HDPE), 2.4 parts of antioxidant, tri-2-ethylhexyl phosphate 14 are weighed by composition of raw materials ratio
Part, 2 parts of tetrabromobisphenol, from 0.8 part of lauric acid diethyl amide, 5 parts of the fatty acid ester compounded object of higher alcohols, 2 parts of polyethylene wax, carbon
13 parts of sour calcium powder, 27 parts of powdered sodium carbonate, 8 parts of lime powder, 14 parts of glass powder, 10 parts of animal hair, iron powder fine powder 18
Part carries out mixing 8-14min in high-speed mixer, and temperature is maintained at 100-120 DEG C, revolving speed 750-900r/min, by iron before mixing
Ball is heated to 110 DEG C, is wrapped up using high temperature resistance diaphragm, is put into high-speed mixer, and high temperature resistance diaphragm is PA66 film；
Said mixture material is added into iso-cyanuric acid triallyl ester 1.5 in 60-75 DEG C of 5~12min of mixing again
Part, 0.5 part of propyl trimethoxy silicane of γ-(methacryloxy) carry out crosslinking 2.5-3.5h, temperature is maintained at 80~90
℃；
Then, with parallel double-screw extruder extruding pelletization, pellet is placed on charcoal fire by prilling temperature at 135~180 DEG C
Maintain the temperature at 100-120 DEG C of dry a period of time；
Pellet is subjected to extrusion molding, then cools down, cut to obtain product；120~140 DEG C of feeding section, fluxing zone 140~160
DEG C, 160~180 DEG C of homogenizing zone, 150~160 DEG C of mouth mold.
Embodiment 4
100 parts of high density polyethylene (HDPE), 2.3 parts of antioxidant, tri-2-ethylhexyl phosphate 22 are weighed by composition of raw materials ratio
Part, 4 parts of tetrabromobisphenol, from 0.9 part of lauric acid diethyl amide, 6 parts of polyoxyethylene polyoxypropylene pentaerythrite ether, polyethylene wax
3 parts, 14 parts of calcium carbonate powder, 29 parts of powdered sodium carbonate, 7 parts of lime powder, 12 parts of glass powder, 11 parts of animal hair, iron powder
22 parts of fine powder carry out mixing 8-14min in high-speed mixer, and temperature is maintained at 100-120 DEG C, revolving speed 750-900r/min, mixing
It is preceding that iron ball is heated to 110 DEG C, it is wrapped up, is put into high-speed mixer using high temperature resistance diaphragm, high temperature resistance diaphragm is PA66 film；
Said mixture material is added into iso-cyanuric acid triallyl ester 1.6 in 60-75 DEG C of 5~12min of mixing again
Part, 0.4 part of propyl trimethoxy silicane of γ-(methacryloxy) carry out crosslinking 2.5-3.5h, temperature is maintained at 80~90
℃；
Then, with parallel double-screw extruder extruding pelletization, pellet is placed on charcoal fire by prilling temperature at 135~180 DEG C
Maintain the temperature at 100-120 DEG C of dry a period of time；
Pellet is subjected to extrusion molding, then cools down, cut to obtain product；120~140 DEG C of feeding section, fluxing zone 140~160
DEG C, 160~180 DEG C of homogenizing zone, 150~160 DEG C of mouth mold.
Embodiment 5
By composition of raw materials ratio weigh 100 parts of high density polyethylene (HDPE), 2.5 parts of antioxidant, 24 parts of tricresyl phosphate (2- chloroethyl) ester,
4.5 parts of tetrabromobisphenol, from 0.8 part of lauric acid diethyl amide, 7 parts of polyoxyethylene polyoxypropylene pentaerythrite ether, polyethylene wax
2.5 parts, 15 parts of calcium carbonate powder, 28 parts of powdered sodium carbonate, 9 parts of lime powder, 13 parts of glass powder, 12 parts of animal hair, iron
24 parts of powder and fine powder carry out mixing 8-14min in high-speed mixer, and temperature is maintained at 100-120 DEG C, revolving speed 750-900r/min, mix
Iron ball is heated to 110 DEG C before closing, is wrapped up, is put into high-speed mixer using high temperature resistance diaphragm, high temperature resistance diaphragm is PA66 film；
Said mixture material is added into iso-cyanuric acid triallyl ester 1.3 in 60-75 DEG C of 5~12min of mixing again
Part, 0.4 part of propyl trimethoxy silicane of γ-(methacryloxy) carry out crosslinking 2.5-3.5h, temperature is maintained at 80~90
℃；
Then, with parallel double-screw extruder extruding pelletization, pellet is placed on charcoal fire by prilling temperature at 135~180 DEG C
Maintain the temperature at 100-120 DEG C of dry a period of time；
Pellet is subjected to extrusion molding, then cools down, cut to obtain product；120~140 DEG C of feeding section, fluxing zone 140~160
DEG C, 160~180 DEG C of homogenizing zone, 150~160 DEG C of mouth mold.
Comparative example 1
Fire retardant and fire retarding synergist are not added, remaining is the same as 4 step of embodiment.High-density polyethylene is weighed by composition of raw materials ratio
100 parts of alkene, 2.3 parts of antioxidant, from 0.9 part of lauric acid diethyl amide, 6 parts of polyoxyethylene polyoxypropylene pentaerythrite ether, poly-
3 parts of ethylene waxes, 14 parts of calcium carbonate powder, 29 parts of powdered sodium carbonate, 7 parts of lime powder, 12 parts of glass powder, animal hair 11
Part, 22 parts of iron powder fine powder carry out mixing 8-14min in high-speed mixer, temperature is maintained at 100-120 DEG C, revolving speed 750-900r/
Iron ball is heated to 110 DEG C before mixing, is wrapped up, be put into high-speed mixer using high temperature resistance diaphragm by min, high temperature resistance diaphragm PA66
Film；
Said mixture material is added into iso-cyanuric acid triallyl ester 1.6 in 60-75 DEG C of 5~12min of mixing again
Part, 0.4 part of propyl trimethoxy silicane of γ-(methacryloxy) carry out crosslinking 2.5-3.5h, temperature is maintained at 80~90
℃；
Then, with parallel double-screw extruder extruding pelletization, pellet is placed on charcoal fire by prilling temperature at 135~180 DEG C
Maintain the temperature at 100-120 DEG C of dry a period of time；
Pellet is subjected to extrusion molding, then cools down, cut to obtain product；120~140 DEG C of feeding section, fluxing zone 140~160
DEG C, 160~180 DEG C of homogenizing zone, 150~160 DEG C of mouth mold.
Comparative example 2
Antioxidant is not added, remaining is the same as 5 step of embodiment.100 parts of high density polyethylene (HDPE), phosphoric acid are weighed by composition of raw materials ratio
Three 24 parts of (2- chloroethyl) esters, 4.5 parts of tetrabromobisphenol, from 0.8 part of lauric acid diethyl amide, polyoxyethylene polyoxypropylene season penta
Four 7 parts of alcohol ethers, 2.5 parts of polyethylene wax, 15 parts of calcium carbonate powder, 28 parts of powdered sodium carbonate, 9 parts of lime powder, glass powder 13
Part, 12 parts of animal hair, 24 parts of iron powder fine powder carry out mixing 8-14min in high-speed mixer, temperature is maintained at 100-120 DEG C,
Iron ball is heated to 110 DEG C before mixing, is wrapped up, be put into high-speed mixer using high temperature resistance diaphragm by revolving speed 750-900r/min, resistance to
High temperature membrane is PA66 film；
Said mixture material is added into iso-cyanuric acid triallyl ester 1.3 in 60-75 DEG C of 5~12min of mixing again
Part, 0.4 part of propyl trimethoxy silicane of γ-(methacryloxy) carry out crosslinking 2.5-3.5h, temperature is maintained at 80~90
℃；
Then, with parallel double-screw extruder extruding pelletization, pellet is placed on charcoal fire by prilling temperature at 135~180 DEG C
Maintain the temperature at 100-120 DEG C of dry a period of time；
Pellet is subjected to extrusion molding, then cools down, cut to obtain product；120~140 DEG C of feeding section, fluxing zone 140~160
DEG C, 160~180 DEG C of homogenizing zone, 150~160 DEG C of mouth mold.
Comparative example 3
Antistatic agent is not added, remaining is the same as 5 step of embodiment.100 parts of high density polyethylene (HDPE) is weighed by composition of raw materials ratio, is resisted
2.5 parts of oxygen agent, 24 parts of tricresyl phosphate (2- chloroethyl) ester, 4.5 parts of tetrabromobisphenol, 7 parts of polyoxyethylene polyoxypropylene pentaerythrite ether,
2.5 parts of polyethylene wax, 15 parts of calcium carbonate powder, 28 parts of powdered sodium carbonate, 9 parts of lime powder, 13 parts of glass powder, animal hair
12 parts, 24 parts of iron powder fine powder carry out mixing 8-14min in high-speed mixer, and temperature is maintained at 100-120 DEG C, revolving speed 750-
Iron ball is heated to 110 DEG C before mixing, is wrapped up, be put into high-speed mixer using high temperature resistance diaphragm, high temperature resistance diaphragm is by 900r/min
PA66 film；
Said mixture material is added into iso-cyanuric acid triallyl ester 1.3 in 60-75 DEG C of 5~12min of mixing again
Part, 0.4 part of propyl trimethoxy silicane of γ-(methacryloxy) carry out crosslinking 2.5-3.5h, temperature is maintained at 80~90
℃；
Then, with parallel double-screw extruder extruding pelletization, pellet is placed on charcoal fire by prilling temperature at 135~180 DEG C
Maintain the temperature at 100-120 DEG C of dry a period of time；
Pellet is subjected to extrusion molding, then cools down, cut to obtain product；120~140 DEG C of feeding section, fluxing zone 140~160
DEG C, 160~180 DEG C of homogenizing zone, 150~160 DEG C of mouth mold.
Test sample is made by performance test requirement in product in Example 1~5 and comparative example 1~3, test result
All data sees attached list 1.
To be found out by all data in table 1, embodiment 4,5 resulting anti-electrostatic flame-retardant polyvinyl material comprehensive performances are preferable,
Ageing-resistant conservation rate is 90% or more, and volume resistivity is within the scope of antistatic property, and oxygen index (OI) reaches 54% or so, tensile strength
Product needs are all satisfied with elongation at break, can satisfy the performance requirement of the various pipeline equipment of underground mine use.In comparative example 1
Not adding fire retardant keeps product oxygen index (OI) very low, and only 26.7%, fire-retardant fireproof is bad；Comparative example 2, which does not add antioxidant, to be made
The ageing-resistant conservation rate of product significantly reduces, and ageing-resistant conservation rate only has 42%, and weather-proof effect is bad, makes anti-electrostatic flame-retardant polyvinyl
The done life of product reduction of material；Comparative example 3, which does not add antistatic agent, keeps product volume resistivity very high, and volume resistivity reaches
9.1*109Ω .cm is easy a large amount of electrostatic of accumulation, is easily set off an explosion etc. and is pacified using such as mine, flour mill under certain specific environments
Full hidden danger.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (9)
1. a kind of anti-electrostatic flame-retardant polyvinyl material, which is characterized in that be made of the component of following parts by weight:
The fire retardant and fire retarding synergist are selected from tributyl phosphate, tri-2-ethylhexyl phosphate, tricresyl phosphate (2- chloroethene
Base) ester, tricresyl phosphate (2,3- bis- chloropropyl) ester, tricresyl phosphate (2,3- dibromopropyl) ester, Pyrol99, methylene bromide, trichlorine bromine first
One or more of alkane, two chlorobromomethanes and octabromodiphenyl base oxide, pentabromoethyl benzene, tetrabromobisphenol, and fire retardant and resistance
It is different to fire synergist；
The antistatic agent is selected from lauric acid diethyl amide, sodium sulfonate, octadecyldimethyl ethoxy quaternary ammonium nitrate
Or one or more of bis- (beta-hydroxyethyl) stearylamines；
The defoaming agent is selected from silicone emulsion, the fatty acid ester compounded object of higher alcohols, polyoxyethylene polyoxypropylene pentaerythrite ether, gathers
In ethylene oxide polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether and polyoxyethylene polyoxypropylene glycerin ether, dimethyl silicone polymer
More than one；
The crosslinking agent is selected from one or more of dibenzoyl peroxide or iso-cyanuric acid triallyl ester；
The coupling agent is selected from vinyl trichlorosilane, γ-(methacryloxy) propyl trimethoxy silicane or γ-ammonia
One or more of propyl-triethoxysilicane；
The dispersing agent is microcrystalline wax and polyethylene wax；
The animal hair length is 2-10 millimeters, animal hair (pig hair, ox hair, wool etc.), epoxy resin and the poly- second
Alkene wax is mixed according to 5-10 parts, 2-3 parts and 4-7 parts of components by weight percent respectively, and after animal hair and epoxy resin mixing sufficiently again
The polyethylene wax is added to be sufficiently mixed.
2. a kind of anti-electrostatic flame-retardant polyvinyl material according to claim 1, it is characterised in that: the animal hair need to be into
Row ungrease treatment.
3. a kind of anti-electrostatic flame-retardant polyvinyl material according to claim 1, it is characterised in that: the iron powder fine powder need to be into
Row demagnetization processing.
4. a kind of anti-electrostatic flame-retardant polyvinyl material according to claim 1, it is characterised in that: the sodium carbonate and oxidation
Calcium is first mixed, and mixture, desiccant of the calcium oxide as sodium carbonate are formed.
5. a kind of anti-electrostatic flame-retardant polyvinyl material according to claim 1, it is characterised in that: the antioxidant is from peppery
The antioxidant extracted in green pepper.
6. a kind of preparation method of any anti-electrostatic flame-retardant polyvinyl material of the claims 1-5, it is characterised in that:
Method includes the following steps:
(1) weigh 100 parts of high density polyethylene (HDPE), 1-2.5 parts of antioxidant, 10-25 parts of fire retardant, 0-5 parts of fire retarding synergist, resist it is quiet
Electric agent 0.5-1 parts, 3-8 parts of defoaming agent, 1-3 parts of dispersing agent, 8-15 parts of calcium carbonate powder, 20-30 parts of powdered sodium carbonate, calcium oxide
2-10 parts of powder, 10-15 parts of glass powder, 8-12 parts of animal hair, 6-25 parts of iron powder fine powder carry out mixing 8- in high-speed mixer
14min, temperature are maintained at 100-120 DEG C, revolving speed 750-900r/min, heat up after vacuumizing inside high-speed mixer, mix
Metal ball is heated to 110 DEG C before closing, is wrapped up, is put into high-speed mixer using high temperature resistance diaphragm；
(2) mixed material of step (1) preparation is added into 1.2-1.6 parts of crosslinking agent, idol in 60-75 DEG C of 5~12min of mixing
Agent 0.2-0.6 parts of connection carries out crosslinking 2.5-3.5h, and temperature is maintained at 80~90 DEG C；
(3) then, with parallel double-screw extruder extruding pelletization, pellet is placed on charcoal fire by prilling temperature at 135~180 DEG C
Maintain the temperature at 100-120 DEG C of dry a period of time；
(4) pellet of step (3) preparation is subjected to extrusion molding, then cools down, cuts to obtain product；120~140 DEG C of feeding section, modeling
Change 140~160 DEG C of section, 160~180 DEG C of homogenizing zone, 150~160 DEG C of mouth mold.
7. preparation method according to claim 6, it is characterised in that: the high temperature resistance diaphragm is PA66 film.
8. preparation method according to claim 6, it is characterised in that: the metal ball is aluminum products, and thermal conductivity is good, quality
Gently.
9. preparation method according to claim 6, it is characterised in that: the pellet is put into calcium oxide before drying using charcoal fire
Preliminarily dried is carried out in powder.
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