CN104497598B - A kind of paste rubber and the preparation method of SBS composite modified asphalt - Google Patents
A kind of paste rubber and the preparation method of SBS composite modified asphalt Download PDFInfo
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- CN104497598B CN104497598B CN201410770457.0A CN201410770457A CN104497598B CN 104497598 B CN104497598 B CN 104497598B CN 201410770457 A CN201410770457 A CN 201410770457A CN 104497598 B CN104497598 B CN 104497598B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The invention provides a kind of paste rubber and SBS composite modified asphalt, comprise following components, count by weight, SBS1 4 parts, paste liquid rubber 8 14 parts, matrix pitch 80 90 parts, cross-linking agent 0.1 0.3 parts.Its preparation process is as follows: first prepare paste liquid rubber, paste liquid rubber is added in premix reactor and premix with matrix pitch, reaction temperature is 160 180 DEG C, stir speed (S.S.) is 800 3000 revs/min, stirring premixes and adds SBS and is further continued for stirring, then sheared by colloid mill and add cross-linking agent, finally sending into and grow still stirring growth 3 10 hours.Modified pitch poor performance at low temperatures and the problem of poor storage stability when the present invention solves SBS low addition content, the key technical indexes of product is higher than simple modified pitch simultaneously, improve high and low temperature performance and ageing resistace, the high temperature storage stable phase extends, and fully meets the pavement performance requirement of China Higher level highway.
Description
Technical field
The present invention relates to modified pitch field, particularly with regard to a kind of rubber and SBS composite modified asphalt and preparation side thereof
Method.
Background technology
Along with raising and the increase day by day of the volume of traffic of constructing highway grade, road pavement function is had higher requirement.Poly-
Polymer modified Colophonium has become as effective way and the developing direction of road improvement Colophonium serviceability.Polymer modified asphalt
Mainly there are thermoplastic elastomer (TPE), rubber and resin three major types.Wherein thermoplastic elastomer (TPE) such as styrene-butadiene three block is altogether
Polymers (SBS) modified pitch is with the resistance to deformation of its excellence and cracking resistance, anti-loose ability widespread adoption the most at home.Along with
SBS modified pitch that requirement to SBS modified pitch is widely used is more and more higher, simultaneously because SBS cost of material by
Year is surging, and the cost of SBS modified pitch is more and more higher.The most how to solve to promote its low temperature modification under low SBS doping
The problems such as energy, high temperature storing stabilization, it has also become the urgent needs in market.
Reduce SBS modified pitch production cost and partly replace SBS from raw material other alloys of the most more employing of starting with,
Reduce the doping of SBS, as used waste Crumb rubber.China has substantial amounts of scrap rubber to produce every year, utilizes waste Crumb rubber to replace
For part SBS, Colophonium is carried out composite modified, scrap rubber can not only be made to be recycled, moreover it is possible to be substantially reduced SBS and change
The production cost of property Colophonium.
Chinese patent CN1952011A reports a kind of composite modified asphalt and preparation method thereof, the composite modifier of the method
The polypropylene wax of SBS, 3-6% and the FT paraffin of 0.5-6% by the 3-8% that content is Colophonium weight form, by adding
Polypropylene wax and FT paraffin add the compatibility of SBS and Colophonium.But it is in place of this technical deficiency, expensive material
The large percentage added, can make the material cost of modified pitch increase, and economically considers that reality application has certain difficulty.
Chinese patent CN102181163A reports a kind of shoddy/SBS composite modified asphalt and production technology, this technique
The modified pitch of preparation, modifying agent is based on shoddy, and constituent content is it is obvious that it addition, in the embodiment of this patent
The modified pitch brookfield viscosity index of preparation all reaches more than 2.0P.s (180 DEG C), belongs to high viscosity compound rubber asphalt.
Chinese patent CN101585969A reports thermoplastic styrene butadiene rubber+tire glue powder composite modified asphalt and preparation side thereof
Method.This preparation method needs raw material carries out after mix and blend in the range of 170-180 DEG C twice independent shearing respectively
And grow, make thermoplastic styrene butadiene rubber+tire glue powder composite modified asphalt.This preparation method technical matters is the most complicated,
Production application cost is the highest.
Summary of the invention
In order to solve above-mentioned to be effectively improved low temperature modification performance, high temperature storing stabilization while SBS doping reducing
Problem, the invention provides a kind of modified pitch using paste rubber and SBS to carry out being combined and preparation method thereof, permissible
Effectively promote high and low temperature performance and the ageing resistace of SBS modified pitch, and its stable phase extend under high temperature storage,
Fully meet the pavement performance requirement of China Higher level highway.
In order to overcome above-mentioned deficiency, the technical scheme is that a kind of paste rubber and the composite modified drip of SBS
Green grass or young crops, comprises following components: count by weight, SBS 1-4 part, paste liquid rubber 8-14 part, matrix pitch 80-90
Part, cross-linking agent 0.1-0.3 part.
One or more during wherein cross-linking agent is sulfur, peroxide, sulfur donor, zinc oxide, metal-oxide.
The most above-mentioned paste liquid rubber, counts by weight and is made up of following component: waste tire rubber powder 60-87 part,
Activator 0.4-3.5 part, catalytic slurry 20-30 part, softening agent 22-28 part, catalyst 0.2-2.5 part, wherein live
Agent is the mixture of induced by alkyl hydroxybenzene sulfide；Catalytic slurry is to get rid of by-product outward during oil refining is controlled, and is decompression residuum
Or crack resid or the mixture of the two；Softening agent is in aromatic naphtha, petroleum plasticizer, asphalt or bitumen
One or more；Catalyst is ferrous chloride, one in iron sulfate, ferrous sulfate, zinc stearate or stearic acid or
Several.Present invention also offers the preparation method of a kind of above-mentioned modified pitch, including following concrete preparation process:
1) ratio will premix with matrix pitch in paste liquid rubber addition premix reactor by weight, reaction temperature
For 160-180 DEG C, stir speed (S.S.) is 800-3000 rev/min, and stirring premix adds SBS after 5-20 minute, be further continued for stirring
Mix 2-10 minute；
2) then sheared by colloid mill and add cross-linking agent to mix homogeneously；
3) continue insulated and stirred and send into growth still stirring grow within 3-10 hour, described modified pitch can be prepared.
In above-mentioned preparation method, the preparation process of paste liquid rubber is as follows:
(1) mixing, pre-impregnation step
The mixing of waste tire rubber powder, activator, catalytic slurry, softening agent, catalyst ratio by weight is put into
In reactor, put into dry ice and seal, controlling heating rate 3-5 DEG C/min at thermocouple, be warming up to 80-100 DEG C, pressure
Power 8-12MPa, under the Thief zone effect of supercritical carbon dioxide fluid, stirs 15-30h, and abundant swelling shoddy also makes
Above-mentioned activator, catalytic slurry, softening agent, catalyst fully permeate, are dispersed in inside crosslinking condition shoddy；
Subsequently, pressure release, to normal pressure, is cooled to room temperature, take out swelling after mixture；
(2) desulfurized step
By the mixture above by abundant Permeation Swelling, spiral pushing, to shearing in cracking reactor, heats to
300～350 DEG C, under high temperature, rubber powder is by Strong shear pyrolytic reaction 40-120 minute in still, and shear agitation speed is
100-200 rev/min, through filter pressing extrusion and water cooling, prepare semisolid paste black liquid state rubber, be described paste liquid
State rubber.
In above-mentioned paste liquid rubber preparation process, high osmosis, super critical point by supercritical carbon dioxide fluid are gentle
Feature, desulfurizing assistant agent can be dispersed in inside crosslinking condition rubber powder granule, for uniform desulfurization, prepare cream liquid
Rubber provides essential condition；The use of activator is the response time can be made to shorten, effectively in degradation of rubber, sweetening process
Improving the flexibility of product, the free radical produced under high temperature can be harmonious with rubber molecule free radical, stops rubber molecule chain rupture
Rear repolymerization；Softening agent is one or more in aromatic naphtha, petroleum plasticizer, asphalt or bitumen, stone
The trade name of oil system plasticizer: aromatic naphtha, naphthenic oil, heavy oil, Colophonium etc., its effect: softening agent also known as plasticizer,
The active force of rubber molecule interchain can be reduced, increase intermolecular distance, by Mechanochemistry, make macromole chain rupture；
Catalyst is ferrous chloride, the one or several in iron sulfate, ferrous sulfate, zinc stearate, stearic acid or aluminium sesquioxide
Kind, it act as reducing the consumption of activator, improve chemical reaction velocity；Catalytic slurry is to get rid of pair outward during oil refining is controlled
Product, is decompression residuum or crack resid or the mixture of the two, and it act as under high temperature strong permeability, makes rubber powder more hold
Easy swelling dissolving, it addition, kish oxide catalyst can be effectively improved the effect of activator in catalytic slurry.
Colophonium is carried out composite modified plus SBS by the cream liquid rubber utilizing waste tyre rubber powder to prepare, paste liquid rubber
Incorporation at 7.4%-12.9%, SBS doping is reduced to 0.1-3.6% simultaneously, effectively reduces in modified pitch
The consumption of SBS.
Typically joining in Colophonium by rubber powder, the volume of rubber powder is up to about the 20% of Colophonium weight, and processing is raw
The production process of product mode is longer, and rubber powder to breed 30-40 minute through stirring after feeding intake, if rubber powder granule
The big incubation time can be longer, breeds rear mixed material and is ground by repeatedly colloid mill, then could make after a few hours grow
Become rubber powder modified asphalt.Although this mode of production technical process is longer, but the compatibility of rubber powder granule and Colophonium has
Time the most undesirable, the most usually can affect the stability of performance of modified bitumen.It is also long just because of production and processing technology,
Corresponding energy consumption is the biggest, and production efficiency is the highest.
The paste liquid rubber technology used in the present invention, carries out degree of depth solution mainly for 36 mesh above vulcanite powder particles
The rubbers such as poly-reaction realizes, tire use sulfur/accelerator vulcanizing system mostly, sulfur contained in its network structure
Cross-bond mainly includes single sulfur, double sulfur, many sulfur and ring-type sulfur-crosslinked key, these carbon-sulfide linkage (-C-Sz-C-) and sulfur-sulfur
The dissociation energy of key (-C-S-S-C-) cross-bond is relatively low, is susceptible to cleavage reaction during depolymerization reaction, decomposes generation low
Molecular compound and low molecule free radical, thus prepare paste liquid rubber.Semisolid paste liquid rubber is as modification
Agent can be well dissolved in Colophonium, thus solve the rubber powder compatibility in Colophonium and can admix with vast scale
Problem.
The present invention adds paste liquid rubber, modified pitch poor performance at low temperatures and storage when efficiently solving SBS low addition content
The problem depositing poor stability, the key technical indexes of product is higher than simple BSB modified pitch simultaneously, improves high and low temperature
Performance and ageing resistace, the prolongation of high temperature storage stable phase, fully meet the pavement performance requirement of China Higher level highway.
Detailed description of the invention
Embodiment 1
A kind of paste rubber and SBS composite modified asphalt, be made up of following component: SBS 20g, Cosan 1.5g, substrate
Colophonium 438.5g, paste liquid rubber 40g.
Above-mentioned paste rubber specifically comprises the following steps that with SBS composite modified asphalt
1) taking in paste liquid rubber 40g addition premix reactor and premix with matrix pitch 438.5g, reaction temperature is
160-180 DEG C, stir speed (S.S.) is 800-3000 rev/min；
2) above-mentioned raw materials stirring premix adds SBS 20g after 5 minutes, is further continued for stirring 5 minutes；Then colloid mill is passed through
Shear and add cross-linking agent Cosan 1.5g to mix homogeneously；
3) continue insulated and stirred and send into growth still stirring grow within 3 hours, described modified pitch can be prepared.
The preparation method of the most above-mentioned paste liquid rubber, specifically comprises the following steps that
(1) mixing, pre-impregnation step
By waste tire rubber powder 60g, T-580 activator 0.4g, catalytic slurry 20g, aromatic naphtha 20g, AH90 Colophonium
2g, ferrous sulfate 0.1g, stearic acid 0.1g mixing puts in reactor, puts into dry ice and seals, and controls to rise at thermocouple
Temperature speed 3-5 DEG C/min, is warming up to 80-100 DEG C, pressure 8MPa, under the Thief zone effect of supercritical carbon dioxide fluid,
Stirring 15h, abundant swelling shoddy and above-mentioned activator, catalytic slurry, softening agent, catalyst are fully permeated,
It is dispersed in inside crosslinking condition shoddy；Subsequently, pressure release, to normal pressure, is cooled to room temperature, take out swelling after mixture；
(2) desulfurized step
By the mixture above by abundant Permeation Swelling, spiral pushing, to shearing in cracking reactor, heats to 300
DEG C, under high temperature, rubber powder passes through Strong shear pyrolytic reaction 40 minutes in still, and shear agitation speed is 100 revs/min, warp
Filter pressing extrusion and water cooling, prepare semisolid paste black liquid state rubber, be described paste liquid rubber.
Embodiment 2
A kind of paste rubber and SBS composite modified asphalt, be made up of following component, SBS 10g, cross-linking agent (TMTD) 1.5g,
Matrix pitch 428.5g, paste liquid rubber 60g.
Above-mentioned paste rubber specifically comprises the following steps that with SBS composite modified asphalt
1) will premix with matrix pitch 428.5g in paste liquid rubber 60g addition premix reactor, reaction temperature is 180
DEG C, stir speed (S.S.) is 2800 revs/min；
2) above-mentioned raw materials stirring premix adds SBS after 20 minutes, is further continued for stirring 10 minutes；Then ground scissors by colloid
Cut and add cross-linking agent TMTD 1.5g to mix homogeneously；
3) continue insulated and stirred and send into growth still stirring grow within 10 hours, described modified pitch can be prepared.
Wherein the preparation method of paste liquid rubber, specifically comprises the following steps that
(1) mixing, pre-impregnation step
By waste tire rubber powder 87g, T-580 activator 3.5g, catalytic slurry 30g, petroleum plasticizer, oil drip
Blue or green each 14g, ferrous sulfate, zinc stearate each 1.25g mixing puts in reactor, puts into dry ice and seals, at thermocouple
Controlling heating rate 3-5 DEG C/min, be warming up to 100 DEG C, pressure 12MPa, the Thief zone at supercritical carbon dioxide fluid is made
Under with, stirring 25h, abundant swelling shoddy also makes above-mentioned activator, catalytic slurry, softening agent, catalyst abundant
Permeate, be dispersed in inside crosslinking condition shoddy；Subsequently, pressure release, to normal pressure, is cooled to room temperature, take out swelling after
Mixture；
(2) desulfurized step
By the mixture above by abundant Permeation Swelling, spiral pushing, to shearing in cracking reactor, heats to 350
DEG C, under high temperature, rubber powder passes through Strong shear pyrolytic reaction 120 minutes in still, and shear agitation speed is 200 revs/min, warp
Filter pressing extrusion and water cooling, prepare semisolid paste black liquid state rubber, be described paste liquid rubber.
3 one kinds of paste rubber of embodiment and SBS composite modified asphalt, be made up of following component, SBS 20g, cross-linking agent
DCP 1.5g, matrix pitch 408.5g, paste liquid rubber 70g.
Above-mentioned paste rubber specifically comprises the following steps that with SBS composite modified asphalt
1) will premix with matrix pitch 408.5g in paste liquid rubber 70g addition premix reactor, reaction temperature is 170
DEG C, stir speed (S.S.) is 1500 revs/min；
2) above-mentioned raw materials stirring premix adds SBS after 15 minutes, is further continued for stirring 10 minutes；Then ground scissors by colloid
Cut and add cross-linking agent 1.5g to mix homogeneously；
3) continue insulated and stirred and send into growth still stirring grow within 6 hours, described modified pitch can be prepared.
Wherein the preparation method of paste liquid rubber, specifically comprises the following steps that
(1) mixing, pre-impregnation step
By waste tire rubber powder 68g, WR-510 activator 3g, catalytic slurry 25g, aromatic naphtha 10g, petroleum plasticizer
15g, ferrous chloride 0.2g mixing puts in reactor, puts into dry ice and seals, and controls heating rate 3-5 at thermocouple
DEG C/min, and it is warming up to 100 DEG C, pressure 12MPa, under the Thief zone effect of supercritical carbon dioxide fluid, stir 25h,
Abundant swelling shoddy also makes above-mentioned activator, catalytic slurry, softening agent, catalyst fully permeate, be dispersed in
Inside crosslinking condition shoddy；Subsequently, pressure release, to normal pressure, is cooled to room temperature, take out swelling after mixture；
(2) desulfurized step
By the mixture above by abundant Permeation Swelling, spiral pushing, to shearing in cracking reactor, heats to 350
DEG C, under high temperature, rubber powder passes through Strong shear pyrolytic reaction 60 minutes in still, and shear agitation speed is 150 revs/min, warp
Filter pressing extrusion and water cooling, prepare semisolid paste black liquid state rubber, be described paste liquid rubber.
A kind of paste rubber and SBS composite modified asphalt, be made up of following component, SBS 17.5g, captax 1.5g, base
Matter Colophonium 421g, paste liquid rubber 60g.
Above-mentioned paste rubber specifically comprises the following steps that with SBS composite modified asphalt
1) taking in paste liquid rubber 60g addition premix reactor and premix with matrix pitch 421g, reaction temperature is 160
DEG C, stir speed (S.S.) is 2000 revs/min；
2) above-mentioned raw materials stirring premix adds SBS after 15 minutes, is further continued for stirring 6 minutes；Then ground scissors by colloid
Cut and add cross-linking agent 1.5g to mix homogeneously；
3) continue insulated and stirred and send into growth still stirring grow within 8 hours, described modified pitch can be prepared.
In above-mentioned preparation method, the preparation process of paste liquid rubber is as follows:
(1) mixing, pre-impregnation step
By waste tire rubber powder 80g, WR-510 activator 1g, catalytic slurry 20g, AH90 Colophonium 12g, aromatic naphtha
10g zinc stearate 0.25g, stearic acid 1g mixing puts in reactor, puts into dry ice and seals, and controls to rise at thermocouple
Temperature speed 3-5 DEG C/min, is warming up to 80-100 DEG C, and pressure 10MPa, in the Thief zone effect of supercritical carbon dioxide fluid
Under, stirring 15h, abundant swelling shoddy also makes above-mentioned activator, catalytic slurry, softening agent, catalyst fully ooze
Thoroughly, it is dispersed in inside crosslinking condition shoddy；Subsequently, pressure release, to normal pressure, is cooled to room temperature, take out swelling after mixed
Compound；
(2) desulfurized step
By the mixture above by abundant Permeation Swelling, spiral pushing, to shearing in cracking reactor, heats to
300～350 DEG C, under high temperature, rubber powder passes through Strong shear pyrolytic reaction 90 minutes in still, and shear agitation speed is 200 turns
/ point, through filter pressing extrusion and water cooling, prepare semisolid paste black liquid state rubber, be described paste liquid rubber.
Experimental Comparison:
The performance comparison conventional SBS modified asphalt of gained paste rubber and SBS composite modified asphalt is prepared by above-described embodiment
Performance do following contrast:
The preparation of comparative sample 1:
1) take matrix pitch 478.5g, be warming up to 160-180, stir SBS 20g, be further continued for stirring 6 minutes；Then
Sheared by colloid mill and add Cosan 1.5g to mix homogeneously；
2) continue insulated and stirred and send into growth still stirring grow within 8 hours, described modified pitch can be prepared.
The preparation of comparative sample 2:
1) take matrix pitch 476g, be warming up to 160-180, stir SBS 22.5g, be further continued for stirring 6 minutes；Then
Sheared by colloid mill and add TMTD1.5g to mix homogeneously；
2) continue insulated and stirred and send into growth still stirring grow within 8 hours, described modified pitch can be prepared.
Comparative illustration:
It can be seen from the table, after adding cream liquid rubber, the low-temperature ductility of composite modified asphalt be obviously improved (embodiment 1,2,
3,4 contrast with comparative sample 1,2), and reflect that the softening point index of r promotes the most therewith；Especially, exist
Adding after liquid rubber, the hot storage stability of composite modified asphalt to be clearly better (embodiment 2 and comparative sample 1,2
Contrast), aged properties index, especially residual low-temperature ductility fully meet " highway engineering Colophonium and asphalt examination
Test code " polymer modified asphalt I-D requirement in (JTG F40-2004).After adding cream liquid rubber, its SBS
Parameter can reduce by 1%, and main performance index keeps constant (embodiment 4 and 2 contrast)
Product main performance index prepared by the present invention fully meets Ministry of Communications, and " highway engineering waste rubber tyre powder rubber drips
JT/T798-2011 " relevant criterion technical requirement.
Above invention is described in detail, but described content has been only presently preferred embodiments of the present invention, it is impossible to be considered to use
In the practical range limiting the present invention.All impartial changes made according to the present patent application scope and improvement etc., all should still belong to
Within the patent covering scope of the present invention.
Claims (5)
1. paste rubber and a preparation method for SBS composite modified asphalt, described paste rubber is composite modified with SBS
Colophonium is counted by weight, comprises following components: SBS 1-4 part, paste liquid rubber 8-14 part, matrix pitch 80-90
Part, cross-linking agent 0.1-0.3 part, it is characterised in that described preparation method includes following preparation process:
1) ratio will premix with matrix pitch in paste liquid rubber addition premix reactor by weight, reaction temperature
For 160-180 DEG C, stir speed (S.S.) is 800-3000 rev/min, and stirring premix adds SBS after 5-20 minute, be further continued for stirring
Mix 2-10 minute；
2) then sheared by colloid mill and add cross-linking agent to mix homogeneously；
3) continue insulated and stirred and send into growth still stirring grow within 3-10 hour, described modified pitch can be prepared.
Paste rubber the most according to claim 1 and the preparation method of SBS composite modified asphalt, it is characterised in that
The preparation process of described paste liquid rubber is as follows:
(1) mixing, pre-impregnation step
The mixing of waste tire rubber powder, activator, catalytic slurry, softening agent, catalyst ratio by weight is put into anti-
Answer in still, put into dry ice and seal, control heating rate 3-5 DEG C/min at thermocouple, be warming up to 80-100 DEG C, pressure
8-12MPa, under the Thief zone effect of supercritical carbon dioxide fluid, stirs 15-30h, and abundant swelling shoddy also makes
Above-mentioned activator, catalytic slurry, softening agent, catalyst fully permeate, are dispersed in inside crosslinking condition shoddy；With
After, pressure release, to normal pressure, is cooled to room temperature, take out swelling after mixture；
(2) desulfurized step
By the mixture above by abundant Permeation Swelling, spiral pushing, to shearing in cracking reactor, heats to
300～350 DEG C, under high temperature, rubber powder is by Strong shear pyrolytic reaction 40-120 minute in still, and shear agitation speed is
100-200 rev/min, through filter pressing extrusion and water cooling, prepare semisolid paste black liquid state rubber, be described paste liquid
State rubber.
Paste rubber and the preparation method of SBS composite modified asphalt the most according to claim 1, it is characterised in that institute
Stating cross-linking agent is one or more in sulfur, peroxide, sulfur donor, zinc oxide, metal-oxide.
Paste rubber and the preparation method of SBS composite modified asphalt the most according to claim 1, it is characterised in that institute
State paste liquid rubber, count by weight and be made up of following component: waste tire rubber powder 60-87 part, activator 0.4-3.5
Part, catalytic slurry 20-30 part, softening agent 22-28 part, catalyst 0.2-2.5 part.
5. according to the preparation method of paste rubber described in claim 2 or 4 Yu SBS composite modified asphalt, it is characterised in that
Described wherein activator is the mixture of induced by alkyl hydroxybenzene sulfide；Catalytic slurry is to get rid of by-product outward during oil refining is controlled,
It is decompression residuum or crack resid or the mixture of the two；Softening agent be aromatic naphtha, petroleum plasticizer, asphalt or
One or more in bitumen；Catalyst is ferrous chloride, iron sulfate, ferrous sulfate, zinc stearate or stearic acid
In one or more.
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| PL237967B1 (en) * | 2017-07-25 | 2021-06-14 | Tadeusz Matynia | Polymer-bituminous composition for production of hydro-insulation materials and method for producing that composition |
| CN107903644A (en) * | 2017-11-15 | 2018-04-13 | 四川塑金科技有限公司 | The preparation method of regeneration asphalt composition |
| CN109837038B (en) * | 2017-11-24 | 2021-02-09 | 北京路德永泰环保科技有限公司 | Self-adhesive polymer modified asphalt waterproof coiled material modifier and preparation method thereof |
| CN109971349B (en) * | 2017-12-27 | 2021-10-26 | 北京路德永泰环保科技有限公司 | Non-curing rubber asphalt waterproof coating and preparation method thereof |
| CN109810520A (en) * | 2018-05-11 | 2019-05-28 | 江苏宝利国际投资股份有限公司 | One kind having both the high glue pitch of high performance low-temperature environment-friendlyization and its production technology |
| CN112457679B (en) * | 2020-11-24 | 2022-03-11 | 北京路德永泰环保科技有限公司 | High-performance rubber asphalt and preparation method thereof |
| CN113372633B (en) * | 2021-05-20 | 2023-06-02 | 山东大学 | High-dispersion active rubber powder, preparation method thereof and direct-injection rubber powder modified asphalt |
| CN115304841A (en) * | 2022-07-14 | 2022-11-08 | 河北交科材料科技有限公司 | Pretreatment rubber powder for high-volume rubber modified asphalt and preparation method thereof |
| CN116218244A (en) * | 2023-03-31 | 2023-06-06 | 甘肃公航旅建设集团有限公司 | Rubber composite modified asphalt capable of being stored stably for long time |
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| CN101250328A (en) * | 2008-04-10 | 2008-08-27 | 华东理工大学 | Waste and old rubber modified asphalt |
| CN102660125B (en) * | 2012-05-16 | 2014-04-16 | 中胶橡胶资源再生（青岛）有限公司 | Preparation method of waste rubber modified emulsified asphalt |
| CN102977621A (en) * | 2012-12-25 | 2013-03-20 | 天津海泰环保科技发展有限公司 | SBS (styrene-butadiene-styrene)/scrap rubber powder composite modified asphalt and preparation method thereof |
| CN104130482B (en) * | 2014-08-12 | 2016-07-06 | 天津海泰环保科技发展股份有限公司 | Paste liquid rubber and preparation method thereof |
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Address after: Science and Technology Finance Building 5 No. 300384 in Tianjin Binhai Huayuan Industrial Park Mei Yuan Lu 12 Applicant after: TIANJIN HAITAI ENVIRONMENTAL PROTECTION TECHNOLOGY DEVELOPMENT CO.,LTD. Address before: Science and Technology Finance Building 5 No. 300384 in Tianjin Binhai Huayuan Industrial Park Mei Yuan Lu 12 Applicant before: TIANJIN HI-TECH ENVIRONMENT SCIENCE & TECHNOLOGY DEVELOPMENT CO.,LTD. |
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