CN109942990A - A kind of antifreeze road cone and preparation method thereof - Google Patents
A kind of antifreeze road cone and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to a kind of antifreeze road cones and preparation method thereof, it is related to the technical field of means of transportation comprising following raw material: 75-95 parts of polyvinyl chloride, 45-65 parts of the first auxiliary agent, 12-16 parts of the second auxiliary agent, 6-10 parts of fire retardant, 3-7 parts of epoxidized soybean oil, 1.6-2 parts of antioxidant, 0.8-1.2 parts of light stabilizer, 0.1-0.5 parts of defoaming agent, 0.8-1.2 parts of toner.It includes following preparation step: 1) preparing the first auxiliary agent, the second auxiliary agent, antioxidant and light stabilizer in proportion；2) in proportion by after the raw materials melting mixings such as polyvinyl chloride, the first auxiliary agent, the second auxiliary agent, fire retardant, epoxidized soybean oil, antioxidant, light stabilizer, defoaming agent and toner, squeeze out and be pressed and molded to get to antifreeze road cone.By the way that the first auxiliary agent, the second auxiliary agent, fire retardant, antioxidant and light stabilizer are added in polyvinyl chloride, polyvinyl chloride is modified, polyvinyl chloride mechanical strength and anti-freezing property are improved, so that road cone is adapted to more use environments, improves the practicability of road cone.
Description
Technical field
The present invention relates to the technical fields of means of transportation, more particularly, to a kind of antifreeze road cone and preparation method thereof.
Background technique
Road cone is also known as roadblock, for being placed among road, dangerous area and road construction location etc., is temporarily separated
Wagon flow, guidance traffic, road cone also play the effect for reminding driver simultaneously.Road cone generally by pvc material, color masterbatch and disappears
After the raw materials such as infusion are according to certain proportion mixing, by certain pressure, uniformly mixed mixture is extruded into mold, it is whole
Body is molded.And for improve road cone stability and identification, can be also added in the road cone shell being made sand item with instead
Light cone set improves the applicability of road cone.
But existing PVC road cone is when in use, since PVC is a kind of thermoplastic plastic's material, since self-characteristic exists
When subzero 5 DEG C or less, be extremely easy to appear embrittlement phenomenon, thus some subzero 20 DEG C or so of area and country just more
Add and be difficult with, causes the applicability of PVC road cone not high, it is higher for the requirement in area.
Summary of the invention
The object of the present invention is to provide a kind of antifreeze road cones and preparation method thereof, are helped by the way that first is added in polyvinyl chloride
Agent, the second auxiliary agent, fire retardant, antioxidant and light stabilizer, are modified polyvinyl chloride, and it is mechanical strong to improve polyvinyl chloride
Degree and anti-freezing property make road cone adapt to more use environments, improve the practicability of road cone.
Foregoing invention purpose of the invention has the technical scheme that
A kind of antifreeze road cone, including following raw material: polyvinyl chloride 75-95, the first auxiliary agent 45-65, the second auxiliary agent
12-16, fire retardant 6-10, epoxidized soybean oil 3-7, antioxidant 1.6-2, light stabilizer 0.8-1.2, defoaming agent 0.1-0.5, color
Powder 0.8-1.2.
By using above-mentioned technical proposal, polyvinyl chloride, English abbreviation PVC is vinyl chloride monomer in peroxide, azo
The initiators such as compound；Or the polymer being polymerized under light, heat effect by mechanism of free-radical polymerization.Vinyl chloride homo
Object and vinyl chloride copolymer system are referred to as vinyl chloride resin.
By the way that the first auxiliary agent, the second auxiliary agent, fire retardant, antioxidant and light stabilizer are added in polyvinyl chloride, to poly-
Vinyl chloride is modified, and improves polyvinyl chloride mechanical strength and anti-freezing property, and road cone is made to adapt to more use environments, is improved
The practicability of road cone.
Epoxidized soybean oil be with soybean oil after oxidation processes a kind of chemical products obtained, be light yellow viscous under room temperature
Thick oily liquids is a kind of use extensive nontoxic polyvinyl chloride plasticizer and light stabilizer: it is good with polyvinyl chloride resin compatibility, it waves
Hair property is low, migration is small.With excellent thermal stability and photostability, water resistance and oil resistivity are also good, and it is good can to assign product
Good mechanical strength, weatherability and electrical property, and it is non-toxic, it is that the chemical technology for packaging material for food of international endorsement helps
Agent.Meanwhile can be used as the solvent of remaining auxiliary agent, the content of remaining auxiliary agent is improved, to improve the mechanical strength of road cone and freeze proof
Effect.
Antioxidant improves the service life of road cone to prevent road cone to be oxidized.
The flame retardant effect of road cone can be improved in fire retardant, prevents road cone from burning.Meanwhile can be improved road cone wearability,
Resistance to scraping improves the mechanical strength and frost resistance of road cone, increases the service life and applicability of road cone.
Defoaming agent prevents the presence of bubble from influencing the preparation of road cone, mentions to eliminate the bubble generated in process
The qualification rate and mechanical strength of high road cone preparation.
Energy of the light stabilizer to shield or absorb ultraviolet light, quenching singlet oxygen and resolves into hydroperoxides non-
The functions such as active material make high molecular polymer under the radiation of light, can exclude or slow down photochemical reaction possibility, prevent or
Postpone the process of light aging, to achieve the purpose that extend high polymer product service life.
Toner improves the aesthetics and identification of road cone, facilitates the identification of drivers and pedestrians to coning row colouring of satisfying the need.
The present invention is further arranged to: the product further includes following raw material: sodium tripolyphosphate 0.3-0.7, two
Five methylenephosphonic acid sodium 0.2-0.6 of ethylene triamine, triethanolamine 0.1-0.5.
By using above-mentioned technical proposal, sodium tripolyphosphate is as dispersing agent, for improving various composition phases in mixture
Between surface tension, be allowed to form uniform and stable dispersion.
Diethylene triamine pentamethylene phosphonic sodium is as chelating agent, can be slight to absorb the heavy metal element in air
Purification air, improve the clean level of air.Meanwhile the conjugation between raw material can be improved, it is complexed, is used with raw material
To improve the content of effective component in product, the mechanical strength and cryoprotective effects of product are improved.
Presence of the triethanolamine as auxiliary chelating agent, improves the complexing effect of diethylene triamine pentamethylene phosphonic sodium.
Meanwhile diethylene triamine pentamethylene phosphonic sodium and triethanolamine are also used as the presence of antioxidant, improve and produce
The antioxidant effect of product, improve product is service life.
The present invention is further arranged to: first auxiliary agent includes following weight percent meter raw material: phthalic acid two
Monooctyl ester 20-30%, dioctyl adipate 20-30%, synthesis vegetable esters 20-30%, dioctyl sebacate 10-20%.
By using above-mentioned technical proposal, dioctyl phthalate, abbreviation dioctyl ester (DOP) is a kind of organosilane ester
Compound is a kind of common plasticiser.
Dioctyl adipate (DOA) is a kind of excellent cold resistant plasticizer of polyvinyl chloride, it assigns product excellent low temperature
Flexibility, and there is certain light, thermal stability and water resistance.Dioctyl adipate is nontoxic, can be used for packaging material for food.Oneself
The compacting of adipate and calendered product show that excellent greasy property, product feel are good in production.In plastisol
In, initial viscosity is low, and viscosity stability is good.
Dioctyl sebacate (DOS) is the cold resistant plasticizer of Corvic, and plasticizing efficiency is high, and volatility is low, both
There is good lubrication when with excellent cold resistance, and having preferable heat resistance, light resistance and electrical insulating property, and heating
Property, keep products appearance, feel good, especially suitable for production cold-resistant electric wire CABLE MATERIALS, artificial leather, film and adhesive etc..
Vegetable esters are synthesized using vegetable oil as raw material, i.e. the leftover bits and pieces of edible vegetable oil has asepsis environment-protecting, up to medical grade
It is required that inhibiting bleed, plasticizing efficiency is higher than DOP, and heat-stable time is long.It is cooperated to use in plasticizer, product is each not influencing
Simultaneously, enterprise's production cost is greatly lowered in a performance indicator.
Synthesis vegetable esters will not be crystallized at subzero 20 DEG C, do not thicken, quality stablize, liquid fluidity stablize it is constant,
The ground such as northeast, Xinjiang, Shanghai, Guangzhou are widely used.
By being used in compounding for four kinds of different plasticizer, it can learn from other's strong points to offset one's weaknesses, make after being used in compounding, the mechanical strength of product
All better than exclusive use dibutyl ester, dibutyl ester；It is good with PVC molecule intermiscibility, bleed can be effectively suppressed；Increase the cold-resistant of product
Property, make road cone in winter normal use；In the case where not changing formula and technique, plasticization effect is improved；Guaranteeing product
While quality, a large amount of production cost is reduced.
The present invention is further arranged to: second auxiliary agent includes following weight percent meter raw material: gelatin 20-24%,
Fluorescent powder 6-10%, carbon fiber 10-14%, organo montmorillonite 30-40%, propylene glycol 6-10% and water surplus.
By using above-mentioned technical proposal, fluorescent powder is commonly called as luminescent powder, is generally divided into photo-induced energy storage luminescent powder and with putting
Two class of luminescent powder of penetrating property.Photo-induced energy storage luminescent powder is fluorescent powder after by the irradiation such as natural light, daylight light, ultraviolet light,
Luminous energy is stored, after stopping light irradiation, then is slowly released in a manner of fluorescence, so in night or dark
Place, remain to see it is luminous, the duration be up to a few houres to ten a few houres.
There is fluorescent powder by being added, road cone can also be shone naturally at night, to increase the identification of road cone
Degree improves the traffic safety at drivers and pedestrians' night.
Gelatin is the hydrolysate of collagen, is a kind of fat-free high protein, and cholesterol-free, is a kind of natural nutrition
The food thickening agent of type.It will not both make one to get fat after edible, physically-draining will not be caused.Gelatin is also a kind of strong guarantor
Protect colloid, emulsifying ability is strong, into stomach after can inhibit the protein such as milk, soya-bean milk because gastric acid effect caused by cohesion, from
And be conducive to food digestion.
Carbon fiber is high intensity, the new fiber materials of high modulus fibre of a kind of phosphorus content 95% or more.Carbon fiber
Compared with traditional glass fibre, Young's modulus is it more than 3 times；Compared with Kafra fiber, Young's modulus is its 2 times of left sides for it
The right side, the insoluble and in-expandable in organic solvent, acid, alkali, corrosion resistance are prominent.
Montmorillonite is a kind of electronegative silicate lamella in surface by nano thickness, the heap by the electrostatic interaction of interlayer
The earthy mineral constituted together are accumulated, the structure cell in crystal structure is by pressing from both sides one layer of alumina octahedral among two layers of oxygen-octahedron
Body is constituted.With unique one-dimensional layered nano-structure and cationic exchangeability characteristic, to assign many modifications of montmorillonite
It may be with the expansion of application field.Organo montmorillonite after modified has very strong adsorption capacity, and good dispersion performance can
High molecular material industry is widely applied as the additive of nanometer polymer high molecular material, shock resistance, antifatigue, ruler are improved
Very little stability and gas barrier property etc. to play the role of enhancing polymer comprehensive physical performance, while improving material and adding
Work performance.
Organo montmorillonite is commonly used at the quaternary ammonium salts such as 16 or octadecyl trimethyl using cationic surfactant is modified
Montmorillonite is managed, cation exchange reaction occurs.Make organic collection team knowledge montmorillonite surface or be inserted into its interlayer, its surface is enable to send out
Changing increases interlamellar spacing, it is made to be changed into lipophilicity by original hydrophily.
Organo montmorillonite is due to that can improve carbon fiber by carbon fiber adsorption on the surface with very strong adsorption capacity
With the conjugation of product, to improve the mechanical performance of product.And fluorescent powder can be adsorbed between the lamellar spacing of organo montmorillonite,
Fluorescent powder conjugation in the product and content are improved, the illumination effect of road cone is improved, improves the identification of road cone.
Propylene glycol and water are as solvent, and propylene glycol can be used as the blender between each auxiliary agent, improve the molten of the second auxiliary agent
Xie Du, to improve the mechanical strength and cryoprotective effects of product.
The present invention is further arranged to: the antioxidant includes following weight percent meter raw material: thio malonic acid two
Lauryl 26-30%, citrate 10-14%, butylated hydroxy anisole 36-40%, acid phosphorous acid dodecyl ester 16-
20%.
By using above-mentioned technical proposal, butylated hydroxy anisole improves the anti-oxidant effect of product as main anti-oxidant
Fruit increases the service life of product.
Thio malonic acid dilauryl and acid phosphorous acid dodecyl ester further increase product as auxiliary antioxidant
Antioxidant effect, increase the service life of product.
Acid phosphorous acid dodecyl ester and citrate can act synergistically as synergist with antioxidant,
To improve the antioxidant effect of antioxidant, to improve the antioxidant effect of product, increase the service life of product.
Citrate and acid phosphorous acid dodecyl ester can be used as plasticizer, improve the plasticization effect of product.
Acid phosphorous acid dodecyl ester have good antiwear and reducing friction, thermostability, anti-corrosive properties and wear-resistant durability,
And light degradation can be inhibited.
Acid phosphorous acid dodecyl ester is also used as fire retardant, improves the flame retardant effect of product.
Solubility of the butylated hydroxy anisole in epoxidized soybean oil can reach 30% or so, improve the dissolution of antioxidant
Degree.
The present invention is further arranged to: the fire retardant includes following weight percent meter raw material: magnesium hydroxide 20-
30%, titanate coupling agent 6-10%, enuatrol 6-10%, silane coupling agent 6-10%, glycerol 10-20%, toluene 30-
40%.
By using above-mentioned technical proposal, magnesium hydroxide is a kind of novel filled-type fire retardant, is released when by being thermally decomposed
It releases and combines water, absorb a large amount of latent heat, to reduce the surface temperature of synthetic material that it is filled in flame, have and inhibit
Polymer decomposes and carries out to generated fuel gas cooling effect.Decomposing the magnesia generated is good fire proofed wood again
Material can also help the fire resistance for improving synthetic material, while the vapor that it is released also can be used as a kind of smoke suppressant.Hydroxide
Magnesium is in generally acknowledged rubber and plastic industry with fire-retardant, suppression cigarette, the outstanding fire retardant for filling triple functions.
Meanwhile magnesium hydroxide due in alkalinity, can by the carbon dioxide absorption in vehicle exhaust, to purify air,
Avoid greenhouse effects.
Chemical crosslinking can occur between polymer molecule for silane coupling agent and physics tangles, and epoxy group hydrolysis can form hydroxyl
Base is condensed with the hydroxyl hydrogen atom on magnesium hydroxide surface, so as to improve the interface between magnesium hydroxide and polymer
Relationship is combined together magnesium hydroxide closely with polymer, improves the flame retardant effect of product.
Titanate coupling agent and silane coupling agent can react with magnesium hydroxide, be formed on its surface titanate esters unimolecule
Film, this layer of monomolecular film make magnesium hydroxide have good dispersibility, wetability and coupling effect, reduce the surface of magnesium hydroxide
Can, increase compatibility.
Enuatrol as anionic surfactant, hydrophilic radical and lipophilic group respectively with magnesium hydroxide and polymer
Interaction strengthens connecting each other between the two, improves the compatibility and dispersibility of magnesium hydroxide in the polymer.
Titanate coupling agent, enuatrol and silane coupling agent are used in compounding, and are acted synergistically, and the resistance of magnesium hydroxide is improved
Fuel efficiency fruit and dispersion effect.
Meanwhile enuatrol can be used as release agent, improve the stripping result of product.Toluene and glycerol are used as solvent, improve titanium
The solubility of acid esters coupling agent, enuatrol and silane coupling agent.Glycerol can be used directly as release agent, improve the demoulding of product
Effect.
The mechanical strength for having magnesium hydroxide that can also increase product is added, improves the usability of product.
The present invention is further arranged to: benzophenone 25-30%, benzotriazole 25-35%, hexamethylphosphoramide
20-30%, zinc oxide 10-15%.
By using above-mentioned technical proposal, zinc oxide is a kind of photomask agent, can cover or reflect ultraviolet light, makes light not
It can penetrate inside macromolecule, so that it is high molecular to play the role of protection.Meanwhile the presence of zinc flame retardant is aoxidized, improve product
Flame retardant effect.
Hexamethylphosphoramide is a kind of radical scavenger: this kind of light stabilizer can capture work generated in macromolecule
Free love base reaches light and stablizes purpose to inhibit photo-oxidation process.
Benzophenone and benzotriazole are all ultraviolet absorbing agents: it is 290- that its effect, which can effectively absorb wavelength,
The ultraviolet light of 410nm, and visible light is seldom absorbed, itself has good thermal stability and photostability.
By compounding different light stabilizers, different-waveband ultraviolet light is absorbed.It is steady that single light can be played
Determine the optimum efficiency that agent is unable to reach.
A kind of preparation process of antifreeze road cone, including following preparation step:
1) the first auxiliary agent, the second auxiliary agent, fire retardant, antioxidant and light stabilizer are prepared in proportion；
2) in proportion that polyvinyl chloride, the first auxiliary agent, the second auxiliary agent, fire retardant, epoxidized soybean oil, antioxidant, light is steady
After determining agent, defoaming agent and toner melting mixing, squeezes out and be pressed and molded to get to antifreeze road cone.
By using above-mentioned technical proposal, step 1 facilitates taking for each analog assistant to prepare each analog assistant.
After mixing each analog assistant with PVC material in step 2, antifreeze road cone is made in processing.
The present invention is further arranged to: second auxiliary agent includes following preparation process: in proportion mixing gelatin and water
Afterwards, then it is proportionally added into propylene glycol and fluorescent powder, after being stirred, is proportionally added into organo montmorillonite and carbon fiber, stirring is equal
After even, the second auxiliary agent is obtained.
By using above-mentioned technical proposal, first by gelatin and water Hybrid Heating, forms stable homogeneous and have certain sticky
The solution of degree is being added propylene glycol and fluorescent powder, is being wrapped in gelatin outside fluorescent powder, and fluorescent powder is made to have certain glue
Degree, can preferably be attached on organo montmorillonite and carbon fiber.Meanwhile propylene glycol can be used as emulsifier, improve fluorescent powder
In gelatin solution in middle dispersibility, it is uniformly dispersed in fluorescent powder in gelatin solution.
The present invention is further arranged to: the fire retardant includes following preparation process: in proportion by glycerol, toluene, metatitanic acid
After ester coupling agent, silane coupling agent and enuatrol mixing, after obtained mixed liquor is sprayed at magnesium hydroxide surface, heating is simultaneously
Fire retardant is made in stirring.
By using above-mentioned technical proposal, titanate coupling agent, silane coupling agent and enuatrol are sprayed at magnesium hydroxide
Surface is improved titanate coupling agent, silane coupling agent and enuatrol in the dispersibility on magnesium hydroxide surface, and is improved and hydroxide
Magnesium contact area improves the conjugation between magnesium hydroxide and each raw material to improve the modified effect of magnesium hydroxide, improves and produces
The flame retardant effect of product.
In conclusion advantageous effects of the invention are as follows:
1, right by the way that the first auxiliary agent, the second auxiliary agent, fire retardant, antioxidant and light stabilizer are added in polyvinyl chloride
Polyvinyl chloride is modified, and improves polyvinyl chloride mechanical strength and anti-freezing property, so that road cone is adapted to more use environments, is mentioned
The practicability of high road cone；
2, pass through dioctyl phthalate, dioctyl adipate, synthesis four kinds of differences of vegetable esters and dioctyl sebacate
Plasticizer is used in compounding, and can be learnt from other's strong points to offset one's weaknesses, be made after being used in compounding, and the mechanical strength and cryoprotective effects of product improve；
3, magnesium hydroxide is changed by using the modifying agent that titanate coupling agent, silane coupling agent and sodium oleae mixture obtain
Property, the modified effect of magnesium hydroxide is improved, to improve the flame retardant effect and mechanical strength of product.
Specific embodiment
The present invention discloses a kind of preparation process of antifreeze road cone, including following preparation step:
1) prepare the first auxiliary agent in proportion: by 25% dioctyl phthalate, 30% dioctyl adipate, 25%
Synthesis vegetable esters and 20% dioctyl sebacate be mixed and stirred for, the first auxiliary agent is made；
Prepare the second auxiliary agent in proportion: by 22% gelatin and 15% water mix after, add 8% propylene glycol and
8% fluorescent powder after being stirred, is added 35% organo montmorillonite and 12% carbon fiber, after mixing evenly, obtains second
Auxiliary agent.
Prepare fire retardant in proportion: by 16% glycerol, 35% toluene, 8% titanate coupling agent, 8% silane
Coupling agent and 8% enuatrol mixing after, after obtained mixed liquor to be sprayed to 25% magnesium hydroxide surface, heat and stir
It mixes, fire retardant is made.
Antioxidant is prepared in proportion: by 28% thio malonic acid dilauryl, 14% citrate, 38% fourth
Base hydroxyanisole and 20% acid phosphorous acid dodecyl ester are mixed and stirred for, and antioxidant is made；
Light stabilizer is prepared in proportion: by 29% benzophenone, 30% benzotriazole, 27% hexamethyl phosphinylidyne
Triamine and 14% zinc oxide are mixed and stirred for, and light stabilizer is made；
2) by 85 parts of polyvinyl chloride, 55 parts of the first auxiliary agent, 14 parts of the second auxiliary agent, 8 parts of fire retardant, 5 parts of ring
Oxygen soybean oil, 1.8 parts of antioxidant, 1 part of light stabilizer, 0.3 part of defoaming agent, 1 part of toner, 0.5 part of trimerization phosphorus
Sour sodium, 0.4 part of diethylene triamine pentamethylene phosphonic sodium and 0.3 part of triethanolamine after melting mixing, are squeezed out and are molded into
Type to get arrive antifreeze road cone.
Defoaming agent uses the produced plastic defoaming agent of plastic molding and processing plant, Ruixiang, Foshan City；Toner is using common PVC color in the market
Powder.
Embodiment 2-5 the difference from embodiment 1 is that, antifreeze road cone includes following raw material:
Embodiment 6-9 the difference from embodiment 1 is that, fire retardant includes following weight percent meter raw material:
Embodiment 10-13 the difference from embodiment 1 is that, the first auxiliary agent includes following weight percent meter raw material:
Embodiment 14-17 the difference from embodiment 1 is that, the second auxiliary agent includes following weight percent meter raw material:
Embodiment 18-21 the difference from embodiment 1 is that, antioxidant includes following weight percent meter raw material:
Embodiment 21-24 the difference from embodiment 1 is that, light stabilizer includes following weight percent meter raw material:
Comparative example
Comparative example 1 the difference from embodiment 1 is that: without the first auxiliary agent in antifreeze road cone；
Comparative example 2 the difference from embodiment 1 is that: without the second auxiliary agent in antifreeze road cone；
Comparative example 3 the difference from embodiment 1 is that: non-antiflaming dose in antifreeze road cone；
Comparative example 4 the difference from embodiment 1 is that: without antioxidant in antifreeze road cone；
Comparative example 5 the difference from embodiment 1 is that: without light stabilizer in antifreeze road cone；
Comparative example 6 the difference from embodiment 1 is that: when preparing fire retardant directly by glycerol, toluene, titanate coupling agent,
Silane coupling agent, enuatrol and magnesium hydroxide mixing；
Comparative example 7 the difference from embodiment 1 is that: preparation the second auxiliary agent when directly by gelatin, water, propylene glycol, fluorescent powder,
Organo montmorillonite and carbon fiber mixing；
Comparative example 8 the difference from embodiment 1 is that: it is even that titanate coupling agent, enuatrol and silane are contained only in fire retardant
Join one kind of agent；Titanate coupling agent is selected to be tested in this comparative example；
Comparative example 9 the difference from embodiment 1 is that: using common PVC road cone in the market.
(1) the obtained 12 groups of PVC road cones of the method provided by embodiment 1-3, comparative example 1-9, every group PVC road cone 600,
Every group of 600 PVC road cones are being divided into 3 groups, every group 200, three groups in 3 groups of PVC road cones are being carried out at -25 DEG C respectively
The antifreeze test of 1 week low temperature；In remaining two groups wherein one group be irradiated in -25 DEG C of Imitating sunlights, carry out 1 week low
The antifreeze test of temperature is mainly used for the PVC road cone low temperature resistance to frost tested under ultraviolet light irradiation；Last group is without any place
Reason.
(2) 12 groups of PVC road cones Jing Guo above-mentioned processing are subjected to following test:
Frictional behaviour: frictional behaviour is tested according to ASTM G99-05, and observes rubbing surface；
Impact strength (KJ/m2): impact strength is according to " the survey of GB/T 1043.1-2008 plastics Charpy Impact performance
It is fixed " it is measured；
Tensile strength (MPa): tensile strength is surveyed according to " measurement of GB/T 1040.1-2006 plastic tensile performance "
It is fixed；
Anti-aging test: being immersed in 8h in 100 DEG C of deionized waters for sensor outer housing, and impact strength and drawing are tested after taking-up
Intensity is stretched, record stretches degree of aging and impact aging degree:
Stretch ageing rate=aging post-tensioning intensity/initial tensile strength * 100%；
Impact strength/initial impact intensity * 100% after impact aging rate=aging.
Test result see the table below:
As seen from the above table, by the way that the first auxiliary agent, the second auxiliary agent, fire retardant, antioxidant and light are added in polyvinyl chloride
Stabilizer is modified polyvinyl chloride, improve polyvinyl chloride tensile strength, wear-resisting property, impact strength, ageing resistance and
Photostability improves polyvinyl chloride mechanical strength and anti-freezing property, so that road cone is adapted to more use environments, improves the reality of road cone
The property used.
Embodiment 1 is compared with comparative example 6 it is found that by glycerol, toluene, titanate coupling agent, silane coupling agent and enuatrol
After mixing, then it is sprayed at magnesium hydroxide surface, the mechanical strength of PVC road cone can be improved.Embodiment 1 compared with comparative example 7 it is found that
After first mixing gelatin and water, after adding propylene glycol and fluorescent powder mixing, it is eventually adding organo montmorillonite and carbon fiber mixing,
The mechanical strength of PVC road cone can be improved.Comparative example 8 and embodiment 1 compare it is found that by the way that titanate esters coupling is added in fire retardant
Agent, enuatrol and silane coupling agent are compounded, and the mechanical strength of PVC road cone can be improved.
Flame retardant property: it by embodiment 1-3, comparative example 3, comparative example 6, comparative example 8 and comparative example 9 according to UL94 standard, adopts
It is measured with horizontal vertical combustion testing machine.
| Detection project | Flame retardant rating |
| Embodiment 1 | V0 |
| Embodiment 2 | V0 |
| Embodiment 3 | V0 |
| Comparative example 3 | V2 |
| Comparative example 6 | V1 |
| Comparative example 8 | V2 |
| Comparative example 9 | V1 |
As can be known from the above table, it is compounded by the way that titanate coupling agent, enuatrol and silane coupling agent are added in fire retardant,
The flame retardant property of PVC road cone can be improved, and in a certain range, increase with the additive amount of fire retardant and enhances.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of antifreeze road cone, it is characterised in that: including following raw material: 75-95 parts of polyvinyl chloride, the first auxiliary agent 45-
65 parts, 12-16 parts of the second auxiliary agent, 6-10 parts of fire retardant, 3-7 parts of epoxidized soybean oil, 1.6-2 parts of antioxidant, light stabilizer
0.8-1.2 parts, 0.1-0.5 parts of defoaming agent, 0.8-1.2 parts of toner.
2. antifreeze road cone according to claim 1, it is characterised in that: the product further includes following raw material: three
0.3-0.7 parts of polyphosphate sodium, 0.2-0.6 parts of diethylene triamine pentamethylene phosphonic sodium, 0.1-0.5 parts of triethanolamine.
3. antifreeze road cone according to claim 1, it is characterised in that: first auxiliary agent includes following weight percent meter
Raw material: dioctyl phthalate 20-30%, dioctyl adipate 20-30%, synthesis vegetable esters 20-30%, dioctyl sebacate
10-20%。
4. antifreeze road cone according to claim 1, it is characterised in that: second auxiliary agent includes following weight percent meter
Raw material: gelatin 20-24%, fluorescent powder 6-10%, carbon fiber 10-14%, organo montmorillonite 30-40%, propylene glycol 6-10%, Yi Jishui
Surplus.
5. antifreeze road cone according to claim 1, it is characterised in that: the antioxidant includes following weight percent meter
Raw material: thio malonic acid dilauryl 26-30%, citrate 10-14%, butylated hydroxy anisole 36-40%, acid phosphorous acid
Dodecyl ester 16-20%.
6. antifreeze road cone according to claim 1, it is characterised in that: the fire retardant includes that following weight percent meter is former
Material: magnesium hydroxide 20-30%, titanate coupling agent 6-10%, enuatrol 6-10%, silane coupling agent 6-10%, glycerol 10-20%, first
Benzene 30-40%.
7. antifreeze road cone according to claim 1, it is characterised in that: the light stabilizer includes following weight percent meter
Raw material: benzophenone 25-30%, benzotriazole 25-35%, hexamethylphosphoramide 20-30%, zinc oxide 10-15%.
8. a kind of preparation process of antifreeze road cone, it is characterised in that: including following preparation step:
1) the first auxiliary agent, the second auxiliary agent, fire retardant, antioxidant and light stabilizer are prepared in proportion；
2) in proportion by polyvinyl chloride, the first auxiliary agent, the second auxiliary agent, fire retardant, epoxidized soybean oil, antioxidant, light stabilizer,
Defoaming agent, toner, sodium tripolyphosphate, diethylene triamine pentamethylene phosphonic sodium and triethanolamine after melting mixing, are squeezed out and are molded
It forms to get antifreeze road cone is arrived.
9. the preparation process of antifreeze road cone according to claim 8, it is characterised in that: second auxiliary agent includes following system
Standby technique: after in proportion mixing gelatin and water, then being proportionally added into propylene glycol and fluorescent powder, after being stirred, in proportion plus
Enter organo montmorillonite and carbon fiber, after mixing evenly, obtains the second auxiliary agent.
10. the preparation process of antifreeze road cone according to claim 8, it is characterised in that: the fire retardant includes following system
Standby technique: after in proportion mixing glycerol, toluene, titanate coupling agent, silane coupling agent and enuatrol, by obtained mixing
It after liquid is sprayed at magnesium hydroxide surface, heats and stirs, fire retardant is made.
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| CN111100386A (en) * | 2020-01-02 | 2020-05-05 | 浙江三门宏桥橡塑科技有限公司 | Environment-friendly anti-cracking road cone and preparation method thereof |
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| CN111100386A (en) * | 2020-01-02 | 2020-05-05 | 浙江三门宏桥橡塑科技有限公司 | Environment-friendly anti-cracking road cone and preparation method thereof |
| CN111100386B (en) * | 2020-01-02 | 2022-09-09 | 浙江三门宏桥橡塑科技有限公司 | Environment-friendly anti-cracking road cone and preparation method thereof |
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