CN104830032A - Asphalt temperature performance reinforcing agent, production method and applications thereof - Google Patents
Asphalt temperature performance reinforcing agent, production method and applications thereof Download PDFInfo
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Abstract
The invention provides an asphalt temperature performance reinforcing agent, a production method and applications thereof. The reinforcing agent is composed of the following components in parts by weight: 20 to 50 parts of recycled waste plastic particles, 5 to 30 parts of inorganic particle master batch, 10 to 40 parts of hard asphalt, 10 to 40 parts of waste tire rubber powder, and other auxiliary agents. The provided reinforcing agent can prominently improve the high-temperature performance of asphalt mixture, while the low-temperature performance of the asphalt mixture is not affected at the same time. The problem that the asphalt road is not stable at a high temperature is solved, the road surface can maintain an excellent performance at a high temperature, and the happening rate of track damages is greatly reduced.
Description
Technical field
The present invention relates to pitch field, particularly a kind of asphalt temperature performance enhancers, its production method and application thereof.
Background technology
Rapidly, axletree carries and constantly rises with car quantity China's transport development development, and road pavement material is had higher requirement.The pavement temperature that the friction on the discharge of car body heat and wheel and road surface causes raises further, to the test that the road surface in summer high temperature environment is harsher.
Present stage, the most common also the most insoluble problem of bituminous pavement is exactly pavement track disease.The use properties on road surface and military service usefulness and pavement disease closely bound up, and had a strong impact on the safety of driving.Modal is unstability type rut, and its producing cause is because the extruding of wheel and traction make the ground surface material generation lateral shift of high-temperature behavior instability, produces flow deformation, causes road surface along wheelmark marginal swell, form rut.More serious, the high-temperature behavior instability of ground surface material can cause the flow deformation of bituminous pavement total, causes structural instability, considerably reduces the traffic capacity and the work-ing life of road.In addition, the groove of rut is unfavorable for road surface drainage, causes slipperiness on roads, has a strong impact on traffic safety.Therefore, bituminous pavement must have excellent high-temperature stability, to reduce the generation of rut disease.
For waste or used plastics, often adopt the method for garbage loading embeading or burning to process, waste or used plastics degraded is slow, and landfill waste or used plastics pollutes soil reclamation, the flue dust and the toxic gas that burn waste or used plastics generation are diffused in air, define threat to HUMAN HEALTH and life security.
Waste or used plastics is recycled, regeneration plastic grain, not only reduce the discharge of Harmful Waste, effectively can also prevent and treat road rut disease, produce good social effect.
In prior art, have and adopt polymkeric substance virgin material as asphalt modifier, or waste rubber powder is used for modifying asphalt, or use waste film plastics through picking, washing, pulverize, melting, final extrusion molding particle as the major ingredient of properties-correcting agent, by adding auxiliary agent and other new polymkeric substance, in order to modifying asphalt, improve High Temperature Stability of Asphalt Mixture with this.
Patent 201410768132.9 discloses has prepared rubber and plastic composite asphalt modifier with desulfurization tyre rubber powder, polyolefin plastics particle and low grade pitch, this patent is mainly used in the processibility improving vulcanized tyre rubber powder, its defect is that the stability of modifying asphalt cannot ensure, and the low-temperature performance of asphalt is not improved.
Patent 201310377514.4 disclose with untreated waste or used plastics, waste-tyre rubber-powder for main raw material obtains a kind of rubber alloy properties-correcting agent, utilize this modifier modification pitch, finally obtain one and do not damage that rubber, the independent modified effect of plastics, pitch storage stability are good, the simple modifying asphalt of production technique.Its defect is that untreated waste or used plastics is many because of its foreign matter content, causes asphalt performance unstable, and cannot ensure to be uniformly dispersed in preparation process.
SBS, SEBS, polyethylene, hydrocarbon resin and aromatic hydrocarbon oil melt blending are formed thermoplastic elastomer by patent 201010513062.4 invention, and with organically-modified kaolin melt blending, prepare asphalt modifier.Due to the poor Rotating fields of asphalt modifier, asphalt modifier is dispersed in pitch with organically-modified kaolin for core, forms homogeneous, stable system, has the effect improving ductility of bitumen, strengthens the pavement performance of bituminous pavement.Its defect is to carry out organic modification process to kaolin, adds cost, and by obtaining with silane is coated the kaolin that organises, experiment condition complexity is not easy to carry out suitability for industrialized production.
For ensureing the performance of pitch, current use often be SBS modifying asphalt and various asphalt modifier, wherein its dynamic stability of SBS modified asphalt mixture is not high, the demand of Rut resistance can not be met, and the general cost performance of commercially available asphalt modifier is not high, and while the high-temperature behavior of raising road surface, larger to the loss of its low-temperature performance.Often make road to reach performance requriements, occur the disease such as cold cracking or high temperature rut.
Summary of the invention
Low-temperature stability and the high-temperature stability of asphalt can not be taken into account for existing asphalt modification compound simultaneously, and dynamic stability is not high or the complex process not easily technological deficiency such as industrialization, the invention provides a kind of asphalt temperature performance enhancers, production method and application thereof, the high-temperature behavior of asphalt can be significantly improved and ensure that its low-temperature performance is not suffered a loss; Solve the problem of pavement asphalt high-temperature stability deficiency, make the use properties that road surface keeps excellent under the high temperature conditions, greatly reduce the probability of the generation of rut disease.
Asphalt temperature performance enhancers of the present invention, it consists of, with weight parts:
Reclaim waste or used plastics particle 20 ~ 50 parts,
Inorganic particulate master batch 5 ~ 30 parts,
Hard pitch 10 ~ 40 parts,
Damaged tire rubber powder 10 ~ 40 parts,
Stablizer 1 ~ 2.5 part,
2 ~ 3 parts, oxidation inhibitor,
Lubricant 1 ~ 2 part,
Look mother 1 ~ 2.5 part;
Described recovery waste or used plastics particle, is also called RPE particle, and its composition comprises the PE waste or used plastics of recovery, PP waste or used plastics, PET waste or used plastics and EVA waste or used plastics; And aforementioned PE, PP, PET or EVA account for respective waste or used plastics mass ratio more than 80%.
Described PE waste or used plastics is that PE reclaims mulch film, dish canopy film, color printing film waste or used plastics.
Described PP waste or used plastics is PP jumbo bag, rope waste or used plastics.
Described PET waste or used plastics is PET waste plastic bottle waste or used plastics.
Described EVA waste or used plastics is at the bottom of EVA shoe, canopy film waste or used plastics.
Described inorganic particulate master batch is modified inorganic particle, is also referred to as polymer base inorganic particle; Described mineral ion master batch can be prepared voluntarily also can in use commercially available prod.
The method of modifying of described modified inorganic particle is mixed with polymer melt by inorganic particulate, and the content of inorganic particulate is 80 ~ 100%; Described inorganic particulate be selected from calcium carbonate, diatomite, polynite, calcium oxide particle any one.
Described polymkeric substance be selected from PE, PP, PET, EVA any one.The temperature of melt blending gets the melting temperature of each polymkeric substance respectively, and scope is 150 DEG C ~ 250 DEG C.Adopt the reason of inorganic particulate master batch to be reduce the dust pollution in production process, increase the intermiscibility of inorganic particulate and polymeric matrix.
Inorganic particulate master batch Main Function has be can significantly improve high-temperature behavior at two: one; B, reduction production cost, because inorganic particulate master batch is generally 1000 yuan/ton, and polymkeric substance generally wants more than 4000 yuan/ton.
The present invention directly adds inorganic particulate master batch-polymer base inorganic particle, has more obvious improvement to high-temperature behavior, and dynamic stability is greatly improved, and can play the effect of Rut resistance.
Described hard pitch be selected from oxidized bitumen, rock asphalt, rock asphalt, lake pitch or sulfonated gilsonite any one.
Described damaged tire rubber powder is bias tire, radial-ply tyre grinds to 40 order ~ 80 object waste-tyre rubber-powders through normal temperature.
Described stablizer, oxidation inhibitor, lubricant, look mother is auxiliary agent.
One or more being selected from barium stearate, calcium laurate, ricinolic acid cadmium, zinc palmitate of described stablizer mix with arbitrary proportion.
Described oxidation inhibitor is that aromatic amine oxidation inhibitor and/or Hinered phenols antioxidant mix with arbitrary proportion.
Described aromatic amine oxidation inhibitor is selected from pentanoic, Ursol D and dihydroquinoline and derivative thereof or polymkeric substance.
Described Hinered phenols antioxidant is selected from four [methyl-β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester, β-positive octadecanol ester of (4-hydroxy phenyl-3,5-di-t-butyl) propionic acid, 1,3,5, three (3,5-di-t-butyls, 4-hydroxybenzyl) s-triazine, 2,4,6-(1H, 3H, 5H) triketone.
One or more being selected from whiteruss, low molecular weight polyethylene, low molecule organosilicon, tetrafluoroethylene wax, calcium stearate of described lubricant combine with arbitrary proportion.
One or more being selected from PE class look mother, PP class look mother, ABS class look mother, PVC class look mother, EVA class look mother of described look mother combine with arbitrary proportion.
The production method of asphalt temperature performance enhancers of the present invention, comprises the steps:
1) described component to be joined in premixing machine under normal temperature condition with the stirring velocity of 2000r/min about 5 ~ 15min to mixing,
2) be delivered in the hopper of extrusion shaping machine, join in extrusion shaping machine with the speed of 100 ~ 300g/min.Screw slenderness ratio is 32, screw speed 400 ~ 600r/min.Temperature controls to 120 ~ 200 DEG C, and head temperature controls to 130 ~ 160 DEG C.
3) extrude rear haulage and cooled by normal-temperature water, drying up with blower fan, shears roller rotation rate 50 ~ 100r/min, uses dicing machine granulating and forming, and the finished product are granular described asphalt temperature performance enhancers.
Described particulate state refers to: high 2 ~ 6mm, and diameter is 0.5 ~ 1mm short cylindrical shape particle,
And 15 DEG C of density of gained asphalt temperature performance enhancers are 1.02 ~ 1.06g/cm3, melting index 5g/10min.
The application method of asphalt temperature performance enhancers of the present invention: directly drop in asphalt, mix ratio is 0.2 ~ 0.6% of asphalt.
Medium pitch preparation method for modifier of the present invention is simple, and material source is extensive, and energy-conserving and environment-protective, there is good economic benefit and social benefit.Modified grain employing is delivered directly method and is joined in asphalt, simple to operate, without special specific equipment.Throw in as required, technology is flexible.
Asphalt temperature performance enhancers in the present invention can be used for town road Large Longitudinal Slope, cross junction section, also be applicable to, in the harsh engineering of the high temperature area condition such as motorway, airport highway, have very significant effect to the generation of minimizing and elimination rut disease.Due to the compound action of organic polymer wherein and inorganic materials, road surface low-temperature performance keeps good and slightly improves, and has greatly widened the use range of this asphalt modifier.
Embodiment
Further describe the present invention below in conjunction with specific embodiment, but the present invention is not limited in these examples.Percentage ratio in following examples is all weight percentage.
The performance test of asphalt is implemented according to " JTG E-20-2011 highway engineering pitch and Asphalt Mixture Experiment code ".
Embodiment 1
A kind of asphalt temperature performance enhancers, is comprised by total weight percent by following component:
The waste and old plastics of adding of dish canopy film being no less than 80% with PE content account for 38%, PE based diatomite master batch and account for 12%, and rock asphalt accounts for 25%, 80 order meridian damaged tire rubber powders 18%, ricinolic acid cadmium stabilizer 1.7%, pentanoic oxidation inhibitor 2.8%, whiteruss 1%, PE primary colours mother 1.5%.Totally 8 kinds batching in premixing machine under normal temperature condition with the stirring velocity of 2000r/min about 5 ~ 15min to mixing, be delivered in the hopper of extrusion shaping machine, join in extrusion shaping machine with the speed of 100 ~ 300g/min.Screw slenderness ratio is 32, screw speed 400 ~ 600r/min, and casement selects 4 casements.In screw rod, three sections of temperature are respectively 155 ~ 165,170 ~ 175,155, and head temperature is 150 DEG C.Extrude rear haulage and cooled by normal-temperature water, drying up with blower fan, using dicing machine granulating and forming, the finished product are short cylindrical particulate state.This product is joined in 70# matrix pitch with 4% of asphalt quality, characterizes the performance of modifying asphalt colloid; This product joins in AC-13 asphalt with the volume of 0.3% of mixture quality, by code requirement shaping test piece, investigates the performance of modified asphalt mixture.
Comparative example 1
Above-mentioned asphalt temperature performance enhancers is replaced with German LF8000 anti-rut agent, and other are with embodiment 1.
Embodiment 2
A kind of asphalt temperature performance enhancers, is comprised by total weight percent by following component:
The waste and old plastics of adding of jumbo bag being no less than 80% with PP content account for 34%, 400 order polynite PP base master batches account for 17%, lake pitch 22%, 80 order meridian damaged tire regnerated rubber powders 18%, stablizer ricinolic acid cadmium 2.2%, oxidation inhibitor four [methyl-β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester 2.4%, low molecular weight polyethylene lubricant 2.0%, PP primary colours mother 2.4%.Totally 8 kinds batching in premixing machine under normal temperature condition with the stirring velocity of 2000r/min about 5 ~ 15min to mixing, be delivered in the hopper of extrusion shaping machine, join in extrusion shaping machine with the speed of 100 ~ 300g/min.Screw slenderness ratio is 32, screw speed 400 ~ 600r/min, and casement selects 4 casements.In screw rod, three sections of temperature are respectively 165 ~ 175,180 ~ 185,160, and head temperature is 155 DEG C.Extrude rear haulage and cooled by normal-temperature water, drying up with blower fan, using dicing machine granulating and forming, the finished product are short cylindrical particulate state.This product is joined in 70# matrix pitch with 4% of asphalt quality, characterizes the performance of modifying asphalt colloid; This product joins in AC-20 asphalt with the volume of 0.3% of mixture quality, by code requirement shaping test piece, investigates the performance of modified asphalt mixture.
Comparative example 2
Above-mentioned high temperature performance of asphalt enhancement is replaced with German LF8000 anti-rut agent, and other are with embodiment 2.
Embodiment 3
A kind of asphalt temperature performance enhancers, is comprised by total weight percent by following component:
With PET content be no less than 80% the waste and old recycled plastic of waste plastic bottle account for 36%, 200 order calcium oxide PE base master batches account for 15%, half oxidized bitumen 24%, 60 order meridian damaged tire vulcanized rubber powders 18%, stablizer accounts for 2.0%, oxidation inhibitor β-positive octadecanol ester 2.2% of (4-hydroxy phenyl-3,5-di-t-butyl) propionic acid by calcium laurate and zinc palmitate by 1:1 combination, tetrafluoroethylene wax lubricant 1.7%, PET based black look mother 1.9%.Totally 8 kinds batching in premixing machine under normal temperature condition with the stirring velocity of 2000r/min about 5 ~ 15min to mixing, be delivered in the hopper of extrusion shaping machine, join in extrusion shaping machine with the speed of 100 ~ 300g/min.Screw slenderness ratio is 32, screw speed 400 ~ 600r/min, and casement selects 4 casements.In screw rod, three sections of temperature are respectively 155 ~ 165,170 ~ 175,155, and head temperature is 150 DEG C.Extrude rear haulage and cooled by normal-temperature water, drying up with blower fan, using dicing machine granulating and forming, the finished product are short cylindrical particulate state.This product is joined in 70# matrix pitch with 4% of asphalt quality, characterizes the performance of modifying asphalt colloid; This product joins in AC-13 asphalt with the volume of 0.3% of mixture quality, by code requirement shaping test piece, investigates the performance of modified asphalt mixture.
Comparative example 3
Above-mentioned asphalt temperature performance enhancers is replaced with the PR anti-rut agent of French PR I company, other are with embodiment 3.
Embodiment 4
A kind of asphalt temperature performance enhancers, is comprised by total weight percent by following component:
With PE content be no less than 80% the waste and old recycled plastic of color printing film account for 43%, 400 order calcium carbonate PE base master batches account for 10%, oxidized bitumen 16%, 60 order meridian damaged tire devulcanized re-cycled rubber powder 25%, stablizer accounts for 1.0% by zinc palmitate, oxidation inhibitor three (3,5-di-t-butyl, 4-hydroxybenzyl) s-triazine 2.1%, calcium stearate lubricant 1.6%, PE based black look mother 1.3%.Totally 8 kinds batching in premixing machine under normal temperature condition with the stirring velocity of 2000r/min about 5 ~ 15min to mixing, be delivered in the hopper of extrusion shaping machine, join in extrusion shaping machine with the speed of 100 ~ 300g/min.Screw slenderness ratio is 32, screw speed 400 ~ 600r/min, and casement selects 4 casements.In screw rod, three sections of temperature are respectively 155 ~ 165,170 ~ 175,155, and head temperature is 150 DEG C.Extrude rear haulage and cooled by normal-temperature water, drying up with blower fan, using dicing machine granulating and forming, the finished product are short cylindrical particulate state.This product is joined in 70# matrix pitch with 4% of asphalt quality, characterizes the performance of modifying asphalt colloid; This product joins in SMA-13 asphalt with the volume of 0.3% of mixture quality, by code requirement shaping test piece, investigates the performance of modified asphalt mixture.
Comparative example 4
Removed by 400 order calcium carbonate PE base master batches in above-mentioned asphalt temperature performance enhancers, waste and old recycled plastic component is increased to 53%, and other are with embodiment 4.
Embodiment 5
A kind of asphalt temperature performance enhancers, is comprised by total weight percent by following component:
With PE content be no less than 80% mulch film and color printing film mix waste and old recycled plastic and account for 20%, 400 order diatomite PE base master batches account for 30%, rock asphalt 27%, 60 order meridian damaged tire devulcanized re-cycled rubber powder 17%, stablizer accounts for 1.2% by barium stearate and calcium laurate by 1:1, oxidation inhibitor
dihydroquinolineaccount for 2.1%, low molecule organo-silicic oil 1.6%, PE based black look mother 1.1%.Totally 8 kinds batching in premixing machine under normal temperature condition with the stirring velocity of 2000r/min about 5 ~ 15min to mixing, be delivered in the hopper of extrusion shaping machine, join in extrusion shaping machine with the speed of 100 ~ 300g/min.Screw slenderness ratio is 32, screw speed 400 ~ 600r/min, and casement selects 4 casements.In screw rod, three sections of temperature are respectively 155 ~ 165,170 ~ 175,155, and head temperature is 150 DEG C.Extrude rear haulage and cooled by normal-temperature water, drying up with blower fan, using dicing machine granulating and forming, the finished product are short cylindrical particulate state.This product is joined in 70# matrix pitch with 4% of asphalt quality, characterizes the performance of modifying asphalt colloid; This product joins in SMA-13 asphalt with the volume of 0.3% of mixture quality, by code requirement shaping test piece, investigates the performance of modified asphalt mixture.
Comparative example 5
Above-mentioned asphalt temperature performance enhancers replaced with and open up rich beautiful jade TP-101 anti-rut agent product, other are with embodiment 5.
Embodiment 6
A kind of asphalt temperature performance enhancers, is comprised by total weight percent by following component:
With PE content be no less than 80% dish canopy film and color printing film mixing recycled plastic account for 27%, 800 order diatomite PE base master batches account for 16%, rock asphalt 18%, 80 order meridian damaged tire oxidation regeneration rubber powders 31%, stablizer accounts for 2.0% by barium stearate and ricinolic acid cadmium by 1:2, oxidation inhibitor Ursol D and dihydroquinoline account for 2.5% by 1:2, and low molecular weight polyethylene lubricant accounts for 1.4%, PE based black look mother 2.1%.Totally 8 kinds batching in premixing machine under normal temperature condition with the stirring velocity of 2000r/min about 5 ~ 15min to mixing, be delivered in the hopper of extrusion shaping machine, join in extrusion shaping machine with the speed of 100 ~ 300g/min.Screw slenderness ratio is 32, screw speed 400 ~ 600r/min, and casement selects 4 casements.In screw rod, three sections of temperature are respectively 155 ~ 165,170 ~ 175,155, and head temperature is 150 DEG C.Extrude rear haulage and cooled by normal-temperature water, drying up with blower fan,
Use dicing machine granulating and forming, the finished product are short cylindrical particulate state.This product is joined in 70# matrix pitch with 4% of asphalt quality, characterizes the performance of modifying asphalt colloid; This product joins in SMA-13 asphalt with the volume of 0.3% of mixture quality, by code requirement shaping test piece, investigates the performance of modified asphalt mixture.
Comparative example 6
Above-mentioned asphalt temperature performance enhancers is replaced with the XT-1 anti-rut agent of Changzhou Xin Tuo pavement modified material company limited, other are with embodiment 6.
Embodiment 7
A kind of asphalt temperature performance enhancers, is comprised by total weight percent by following component:
The waste and old recycled plastic of canopy film being no less than 80% with EVA content accounts for 48%, 1200 order polynite PET base master batches account for 6%, oxidized bitumen 28%, 80 order meridian damaged tire oxidation regeneration rubber powders 10%, stablizer accounts for 2.3% by zinc palmitate and ricinolic acid cadmium by 1:1, oxidation inhibitor Ursol D and pentanoic account for 2.5% by 1:1, and tetrafluoroethylene wax lubricant accounts for 1.2%, PET based black look mother 2.0%.Totally 8 kinds batching in premixing machine under normal temperature condition with the stirring velocity of 2000r/min about 5 ~ 15min to mixing, be delivered in the hopper of extrusion shaping machine, join in extrusion shaping machine with the speed of 100 ~ 300g/min.Screw slenderness ratio is 32, screw speed 400 ~ 600r/min, and casement selects 4 casements.In screw rod, three sections of temperature are respectively 165 ~ 175,180 ~ 185,160, and head temperature is 155 DEG C.Extrude rear haulage and cooled by normal-temperature water, drying up with blower fan, using dicing machine granulating and forming, the finished product are short cylindrical particulate state.This product is joined in 70# matrix pitch with 4% of asphalt quality, characterizes the performance of modifying asphalt colloid; This product joins in AC-13 asphalt with the volume of 0.3% of mixture quality, by code requirement shaping test piece, investigates the performance of modified asphalt mixture.
Comparative example 7
Above-mentioned asphalt temperature performance enhancers is replaced with the anti-rut agent product of LF8000, other are with embodiment 7.
Above-mentioned modifying asphalt colloid and modified asphalt mixture are carried out Experimental Characterization according to specification " highway engineering Asphalt Mixture Experiment code " (JTG E20-2011).The results are shown in Table 1 ~ table 2.
Table 1 performance of modified bitumen index experimental result
Table 2 modified asphalt concrete performance test result
As can be seen from the experimental result in table 1 and table 2, contrast with domestic and international main product, the present invention can make the dynamic stability of modifying asphalt softening temperature and asphalt, dynamic modulus, freeze-thaw split strength ratio keep higher level, has raising more by a small margin to compound low temperature bending strain simultaneously.Wherein inorganic particulate due to its particle size little, surfactivity site is many, is dispersed in after in pitch and can adsorbs a part of resin and oil content, increases the consistency (see embodiment 4 and comparative example 4) of each component.
By contrast, show that the present invention effectively can improve high temperature rutting resistance and the low temperature cracking resistance ability of modified asphalt mixture, and reduce the raw materials cost of anti-rut agent.In addition, modifying asphalt colloid kinematic viscosity is less, and the mixture gap rate prepared is less, has good construction workability.
As can be seen from above-described embodiment and comparative example experimental result, asphalt temperature performance enhancers in the present invention more effectively can strengthen the high-temperature behavior of matrix pitch, and effectively improve the high temperature anti-rut behavior of bituminous pavement, take into account excellent anti-water damage and low-temperature performance, be a kind of modified asphalt material of excellence simultaneously.
Claims (9)
1. an asphalt temperature performance enhancers, is characterized in that, it consists of, with weight parts:
Reclaim waste or used plastics particle 20 ~ 50 parts,
Inorganic particulate master batch 5 ~ 30 parts,
Hard pitch 10 ~ 40 parts,
Damaged tire rubber powder 10 ~ 40 parts,
Stablizer 1 ~ 2.5 part,
2 ~ 3 parts, oxidation inhibitor,
Lubricant 1 ~ 2 part,
Look mother 1 ~ 2.5 part;
Described recovery waste or used plastics particle, is also called RPE particle, and its composition comprises the PE waste or used plastics of recovery, PP waste or used plastics, PET waste or used plastics and EVA waste or used plastics; And aforementioned PE, PP, PET or EVA account for respective waste or used plastics mass ratio more than 80%;
Described inorganic particulate master batch is modified inorganic particle; The method of modifying of described modified inorganic particle is mixed with polymer melt by inorganic particulate, and the content of inorganic particulate is 80 ~ 100%; Described inorganic particulate be selected from calcium carbonate, diatomite, polynite, calcium oxide particle any one; Described polymkeric substance be selected from PE, PP, PET, EVA any one; The temperature of melt blending gets the melting temperature of each polymkeric substance respectively, and scope is 150 DEG C ~ 250 DEG C;
Described hard pitch be selected from oxidized bitumen, rock asphalt, rock asphalt, lake pitch or sulfonated gilsonite any one;
Described damaged tire rubber powder is bias tire, radial-ply tyre grinds to 40 order ~ 80 object waste-tyre rubber-powders through normal temperature;
Described stablizer, oxidation inhibitor, lubricant, look mother is auxiliary agent;
One or more being selected from barium stearate, calcium laurate, ricinolic acid cadmium, zinc palmitate of described stablizer mix with arbitrary proportion;
Described oxidation inhibitor is that aromatic amine oxidation inhibitor and/or Hinered phenols antioxidant mix with arbitrary proportion;
Described aromatic amine oxidation inhibitor is selected from pentanoic, Ursol D and dihydroquinoline and derivative thereof or polymkeric substance;
Described Hinered phenols antioxidant is selected from four [methyl-β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester, β-positive octadecanol ester of (4-hydroxy phenyl-3,5-di-t-butyl) propionic acid, 1,3,5, three (3,5-di-t-butyls, 4-hydroxybenzyl) s-triazine, 2,4,6-(1H, 3H, 5H) triketone;
One or more being selected from whiteruss, low molecular weight polyethylene, low molecule organosilicon, tetrafluoroethylene wax, calcium stearate of described lubricant combine with arbitrary proportion;
Described look mother is selected from the one or more combination in PE class look mother, PP class look mother, ABS class look mother, PVC class look mother, EVA class look mother.
2. asphalt temperature performance enhancers according to claim 1, is characterized in that, described PE waste or used plastics is that PE reclaims mulch film, dish canopy film, color printing film waste or used plastics.
3. asphalt temperature performance enhancers according to claim 1, is characterized in that, described PP waste or used plastics is PP jumbo bag, rope waste or used plastics.
4. asphalt temperature performance enhancers according to claim 1, is characterized in that, described PET waste or used plastics is PET waste plastic bottle waste or used plastics.
5. asphalt temperature performance enhancers according to claim 1, is characterized in that, described EVA waste or used plastics is at the bottom of EVA shoe, canopy film waste or used plastics.
6. described in any one in claim 1-5, the production method of asphalt temperature performance enhancers, is characterized in that, comprises the steps:
1) described component to be joined in premixing machine under normal temperature condition with the stirring velocity of 2000r/min about 5 ~ 15min to mixing;
2) be delivered in the hopper of extrusion shaping machine, join in extrusion shaping machine with the speed of 100 ~ 300g/min;
Screw slenderness ratio is 32, screw speed 400 ~ 600r/min; Temperature controls to 120 ~ 200 DEG C, and head temperature controls to 130 ~ 160 DEG C;
3) extrude rear haulage and cooled by normal-temperature water, drying up with blower fan, shears roller rotation rate 50 ~ 100r/min, uses dicing machine granulating and forming, and the finished product are granular described asphalt temperature performance enhancers.
7. method according to claim 6, is characterized in that, described particulate state refers to: high 2 ~ 6mm, and diameter is 0.5 ~ 1mm short cylindrical shape particle.
8. method according to claim 6, is characterized in that, 15 DEG C of density of gained asphalt temperature performance enhancers are 1.02 ~ 1.06g/cm3, melting index 5g/10min.
9. described in any one in claim 1-5, the application method of asphalt temperature performance enhancers, is characterized in that, it is directly dropped in asphalt, and mix ratio is 0.2 ~ 0.6% of asphalt.
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| CN108359251A (en) * | 2018-02-08 | 2018-08-03 | 华南理工大学 | It is a kind of to utilize the modified pitch and preparation method thereof for discarding tape preparation |
| CN110054438A (en) * | 2019-04-12 | 2019-07-26 | 重庆市市政设计研究院 | High performance modified bitumen, preparation method and bituminous concrete |
| CN111218052A (en) * | 2020-04-02 | 2020-06-02 | 江苏天楹环保能源成套设备有限公司 | Asphalt modifier prepared from waste plastic films and preparation method thereof |
| TWI697603B (en) * | 2019-04-18 | 2020-07-01 | 國立虎尾科技大學 | Pavement asphalt patch manufacturing method |
| CN113214575A (en) * | 2021-04-24 | 2021-08-06 | 温州市剑利鞋业有限公司 | PVC sole and preparation process thereof |
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| CN106317921A (en) * | 2016-08-24 | 2017-01-11 | 新疆交通建设集团股份有限公司 | Bituminous mixture modifier production method based on recycled agricultural plastic mulching film |
| CN108359251A (en) * | 2018-02-08 | 2018-08-03 | 华南理工大学 | It is a kind of to utilize the modified pitch and preparation method thereof for discarding tape preparation |
| CN110054438B (en) * | 2019-04-12 | 2021-08-20 | 重庆市市政设计研究院有限公司 | High-performance modified asphalt, preparation method thereof and asphalt concrete |
| CN110054438A (en) * | 2019-04-12 | 2019-07-26 | 重庆市市政设计研究院 | High performance modified bitumen, preparation method and bituminous concrete |
| TWI697603B (en) * | 2019-04-18 | 2020-07-01 | 國立虎尾科技大學 | Pavement asphalt patch manufacturing method |
| CN111218052A (en) * | 2020-04-02 | 2020-06-02 | 江苏天楹环保能源成套设备有限公司 | Asphalt modifier prepared from waste plastic films and preparation method thereof |
| CN113214575A (en) * | 2021-04-24 | 2021-08-06 | 温州市剑利鞋业有限公司 | PVC sole and preparation process thereof |
| CN113214575B (en) * | 2021-04-24 | 2022-03-25 | 温州市剑利鞋业有限公司 | PVC sole and preparation process thereof |
| CN113416426A (en) * | 2021-07-01 | 2021-09-21 | 海南恒建沥青路面有限公司 | Preparation method of SBS (styrene butadiene styrene) composite modified asphalt |
| CN113416426B (en) * | 2021-07-01 | 2022-09-23 | 海南恒建沥青路面有限公司 | Preparation method of SBS (styrene butadiene styrene) composite modified asphalt |
| CN115678295A (en) * | 2021-07-27 | 2023-02-03 | 中国石油化工股份有限公司 | Anti-stripping agent and preparation method and application thereof |
| CN115678295B (en) * | 2021-07-27 | 2023-09-01 | 中国石油化工股份有限公司 | Anti-stripping agent and preparation method and application thereof |
| WO2023199899A1 (en) * | 2022-04-11 | 2023-10-19 | 花王株式会社 | Asphalt composition |
| CN115216160A (en) * | 2022-08-09 | 2022-10-21 | 佛山市顺德区鑫路材料技术有限公司 | Reinforcing agent applied to production of modified asphalt and preparation method thereof |
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Address after: 210008 No. 12, Beijing West Road, Gulou District, Nanjing City, Jiangsu Province Patentee after: SOBUTE NEW MATERIALS Co.,Ltd. Address before: 211100 No. 118 Liquan Road, Jiangning District, Nanjing City, Jiangsu Province Patentee before: SOBUTE NEW MATERIALS Co.,Ltd. |
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Denomination of invention: A kind of asphalt temperature performance enhancer, production method and application Effective date of registration: 20230117 Granted publication date: 20170118 Pledgee: Huaxia Bank Co.,Ltd. Nanjing Jianye Sub branch Pledgor: SOBUTE NEW MATERIALS Co.,Ltd. Registration number: Y2023320000038 |