CN105001655A - Application of softening oil in modified asphalt waterproof rolling material - Google Patents
Application of softening oil in modified asphalt waterproof rolling material Download PDFInfo
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Abstract
The invention discloses an application of softening oil in a modified asphalt waterproof rolling material. The softening oil comprises one or more of mineral oil, synthetic oil, semi-synthetic lubricant and plant oil. With the adoption of the softening oil, modified asphalt can have good physical and chemical characteristics and can be mixed with a modifier better, and the modified asphalt waterproof rolling material which has good binding force with a concrete surface can be produced. The invention further provides a production standard of the softening oil used for the modified asphalt waterproof rolling material.
Description
Technical field
The present invention relates to a kind of auxiliary material improving pitch use procedure, particularly in waterproofing membrane production for the softening oil of modifying asphalt and inflation method thereof.
Background technology
Pitch in petroleum refining process, fractionates out useful hydrocarbon materials and isolates
gasoline, kerosene,
diesel oildeng light ends, then separate decompression through underpressure distillation (residual voltage 10-100mmHg)
distillatelater residual semisolid or liquid state material, it is by difference
molecular weighthydrocarbon polymer and
nonmetal derivativethe chocolate complex mixture of composition, it is waterproof, also water-soluble hardly, is a kind of waterproof and dampproof and rot-resistant
organic gel gel material.In civil engineering work, pitch is widely used water-proof material and impregnating material, is mainly used in the waterproof of roofing, ground, underground structure, timber, steel anticorrosion.Widely used pavement structure consolidating material in pitch or road engineering, it can build up the bituminous pavement of different structure after proportioning from the mineral material of different composition, application in highways is comparatively extensive.Also may be used for
coating, plastics,
pitchdeng industry.
But the pitch obtained from refinery is because its hydrocarbon polymer is with simple side chain or side chain link, thus pitch is at contact oxygen, light with overheatedly will cause sclerosis, cracking will be caused in atmosphere to leak when exposing as water-proof material and impregnating material, if do not add the quality that process just affects buildings, so people are for decades devoted to carry out modification to pitch always, such as, in pitch, add properties-correcting agent.Described asphalt modifier is the organic or inorganic material of the natural or synthetic added in pitch or asphalt, melting or the pavement performance be dispersed in improvement or raising pitch in pitch.As the mechanical property (intensity and toughness etc.) in order to improve pitch, just adding polymkeric substance, resin, plastics, carbon black, inorganic salt etc. and gaining in strength and the material of toughness.
But due to the dense structure of pitch, when adding asphalt modifier, needs are considered to add certain softening oil (solvent oil) and linking agent, know because above-mentioned, pitch is semi-solid or liquid state material, a certain amount of solvent is needed when adding the materials such as polymkeric substance, resin, plastics, carbon black, inorganic salt, pitch adjusted to suitable mobility and ensures the just suitable use of certain viscosity, namely can adopt in mechanical stirring and properties-correcting agent is incorporated in pitch.Such as when preparing waterproof roll, first by asphalt heating, then solvent oil and linking agent to be added, then add the materials such as polymkeric substance, resin, plastics, carbon black and inorganic salt, be bonded in as on the organic film of base material or cloth, rear cooling obtains product.
The softening oil (solvent oil) of above-described modifying asphalt is a very important medium, how can find and a kind ofly can suitablely make it just can play ramollescence to pitch in different asphaltic products. purposes, dissolving each other with linking agent, additive and be unlikely to too rare, is that those skilled in the art are at present also in the problem constantly explored.
The softening oil (solvent oil) that relevant modifying asphalt uses at present has a large amount in variety, but also not for some feature product, such as waterproof roll, waterproof paint etc. make a kind of standard of special softening oil (solvent oil), to ensure Uniform Product within the specific limits, ensure construction quality.
About preparation method that modifying asphalt coordinates with solvent oil, we retrieve following pertinent literature:
1, a kind of method preparing modifying asphalt, application number: CN201110393394.8 open (bulletin) number: CN102504854A application (patent right) people: Shanxi Inst. of Coal Chemistry, Chinese Academy of Sciences makes a summary: a kind of method preparing modifying asphalt, it is characterized in that within the scope of room temperature to 100 DEG C, with organic solvent and/or the mixed solvent oil gelatin liquefaction heavy product and matrix pitch all to the ability of dispersing or dissolving, make gelatin liquefaction heavy product and matrix pitch mixing, then be separated, recycling design, modifying asphalt can be obtained, wherein the addition of gelatin liquefaction heavy product accounts for the weight percent of modifying asphalt is 5-50%.It is low that the present invention has preparation temperature, the advantage that performance of modified bitumen is good.
2, a kind of road asphalt modifier and preparation method thereof, application number: CN201210142876.0, open (bulletin) number: CN102634218A applies for (patent right) people: Xi'an Technology University, summary: a kind of road asphalt modifier, be made up of following weight percent composition: resinous shale 20% ~ 75%, polymkeric substance 10% ~ 50%, tenderizer 10% ~ 50%; Described polymkeric substance is one or more in polyethylene, ethylene-vinyl acetate copolymer and polyvinyl chloride; Described tenderizer to be boiling range the be aromatic solvent naphtha of 230 DEG C ~ 320 DEG C, or be one or more in 50 ~ No. 100 bi tumenf orr oads.In addition, present invention also offers the preparation method of this road asphalt modifier.Road asphalt modifier of the present invention is Powdered, and during use, additive capacity is accurate, and dispersing property is excellent, and mix is even, easy construction; Road asphalt modifier of the present invention can improve the high-temperature behavior of ordinary road petroleum pitch, and its preparation method is simple, reduces modifying asphalt cost, simplifies modifying asphalt technique.
3, a kind of asphalt modifier, modifying asphalt and asphalt, application number: CN201210344007.6, open (bulletin) number: CN102838874A, application (patent right) people: Shandong University Building, summary: a kind of high-viscosity high-elasticity asphalt properties-correcting agent being applicable to paving steel bridge deck, described asphalt modifier, by weight, its raw material consists of: waste-tyre rubber-powder 3-10 part, polyethylene waste 3-10 part, styrene-butadiene-styrene block copolymer 3-8 part, styrene isoprene styrene block copolymer (SIS) 1-5 part, terpine resin 1-5 part, solvent oil 5-10 part, alcohol ether carboxylate interfacial agents 0.3-0.7 part.In addition, the present invention has obtained modifying asphalt and modified asphalt mixture on this properties-correcting agent basis, and the modifying asphalt 60 DEG C of kinetic viscosities applying this properties-correcting agent obtained can reach more than 300000Pa.s, and grading performance reaches PG88-28; Asphalt has good water stability, higher dynamic modulus, and higher rut dynamic stability and low temperature damage strain, can resist mechanics and the temperature environment of Steel Bridge Deck complexity.
4, a kind of hot-mix cold-lay rubber asphalt mixture, application number: CN201010225682.8, open (bulletin) number: CN102329103A, application (patent right) people: Shanghai Doctorphalt Asphalt Technology Co., Ltd., summary: a kind of hot-mix-cold-laid Rubber Crumb Modified Asphalt Mixture, it is characterized in that, being made up of with gathering materials rubber asphalt; Described gathering materials comprises coarse aggregate, fine aggregate and breeze; Described rubber asphalt comprises the component of following weight percentage: the silane coupling agent of the rubber powder of 1.5-10%, the solvent oil of 5-15%, 0.1-5%, the thermoplastic elastomer of 2-5%, and surplus is petroleum pitch.The present invention, by adding silane coupling agent in the pitch of modifying rubber powder, efficiently solves the segregation problem of rubber powder and pitch.Under normal temperature condition, the hot-mix-cold-laid Rubber Crumb Modified Asphalt Mixture obtained can keep good rarefaction within the time of some months, and properties is stablized.
5, for an asphalt-base cold adhesive for waterproof roll, application number: CN01109850.3, open (bulletin) number: CN1313373A, application (patent right) people: Beijing Dayun Waterproof Material Factory; Beijing University of Technology, summary: a kind of asphalt-base cold adhesive for waterproof roll belongs to technical field of adhesive.It consists of: 30 ~ 40 parts of 90# pitches (weight), 2 ~ 5 parts of ethylene propylene copolymer 1# (weight), 20 ~ 56 parts of 90# ~ 120# industrial solvents, 0 ~ 35 part of 90# gasoline (weight), 3 ~ 9 parts of additives (weight), described additive is in terpenes, rosin, gelatine two or three, 0 ~ 5 part of toluene (weight).This tackiness agent is pollution-free, sticking strength high and low temperature is flexible, can be used as the adhesive specially of SBS modified asphalt waterproof material, also can be used for the WATER REPELLENT of new building and the repairing renovation of various Bituminous concrete surface coil waterproof layer.
6, special regenerator being suitable for regenerating modified asphalt and preparation method thereof; application number: CN200910183162.2; open (bulletin) number: CN101629020A, application (patent right) people: Jiangsu Province Construciton Science Research Institute Co., Ltd; Jiangsu Botexin Materials Co., Ltd, summary: a kind of special regenerator being adapted to regenerating modified asphalt, is joined by following components by weight parts and forms: heavy mineral oil 50.0 ~ 80.0%; Thermoplastic elastic body 10.0 ~ 25.0%; High boiling point solvent oil 10.0 ~ 30.0%; Stablizer 0.5 ~ 4.0%; Oxidation inhibitor 0.1 ~ 1.0%; Antistripping agent 0.1 ~ 2.0%, its preparation method is as follows: a, to be put in reactor by heavy mineral oil and stir and be preheated to 100-130 DEG C; B, thermoplastic elastic body is dropped in reactor, stir 30min, then temperature of reaction kettle is risen to 150-170 DEG C of rapid stirring 15min; C, reactor rotating speed be down to normal stirring velocity and be cooled to 60-90 DEG C, dropping into solvent oil, stablizer, oxidation inhibitor and antistripping agent, continue to be stirred to discharging evenly.Asphalt modification regenerator of the present invention belongs to oleaginous system, and Absorbable organic halogens stores, and for the regeneration of the regeneration particularly modifying asphalt of Bituminous concrete surface recovered road asphalt, can reach the level of new modifying asphalt.
Above-mentioned open source literature is seen, what the softening oil (solvent oil) that current modifying asphalt uses adopted mainly contains mineral oil, high boiling point solvent oil, mixed solvent oil, resinous shale, also has gasoline, kerosene etc., but adopts what kind of softening oil, be made into what kind of standard, can not get enlightenment.
Summary of the invention
The object of the invention is more than pin existing problems provides a kind of softening oil in the purposes of modified asphalt waterproof coiled material, also relate to softening oil and inflation method thereof, this softening oil can make the excellent physics-chem characteristic ensureing pitch in the process of producing waterproof roll best, meet the condition adding properties-correcting agent, the modified asphalt waterproof coiled material produced can form firmly cohesive action with concrete surface.
Another object of the present invention is to provide the softening oil standard of modifying asphalt in a kind of process producing waterproof roll.
The present invention is achieved in that
1, softening oil is in the purposes of modified asphalt waterproof coiled material, and described softening oil is formed by one or more mixing oils of mineral oil, synthetic oil, semi synthetic base oils or vegetables oil adjustment.
Described mineral oil, synthetic oil and semi synthetic base oils are qualified GB oil or nonstandard oil, comprise gasoline, kerosene, ethanol petrol, machine oil, carbon five, peanut oil, Oleum Gossypii semen, plam oil, soya-bean oil and Viscotrol C; Or the Waste gasoline of cleaning equipment, animal oil or refining sewer oil.
The key technical indexes of softening oil is as follows:
(1) volatile quantity :≤6%;
The described volatile quantity method of inspection: take 100g softening oil with the beaker of 250ml, take total amount m1, be placed in 200 ± 2 DEG C of high-temperature test chambers, constant temperature 1.5h, is cooled to 23 ± 2 DEG C, weighs total amount m2, calculates volatile quantity=(m1-m2)/100g × 100%;
(2) pour point :≤-10 DEG C;
The minimum temperature that can flow when described pour point refers to that softening oil cools under prescribed conditions.
Described softening oil the key technical indexes also comprises:
Viscosity: the kinematic viscosity of 40 DEG C is 10-200mm
2/ S;
Described kinematic viscosity is express liquid the measuring of internal friction when flowing under gravity, and its value is compare between the kinetic viscosity of liquid under uniform temp and its density;
Flash-point: >=180 DEG C;
Described flash-point is under regulation test conditions, and test flame causes sample vapor ignition, and makes propagation of flame to the minimum temperature of fluid surface, under being adapted to 101.3kPa normal atmosphere;
Outward appearance and smell: drop on filter paper with glass stick and observe, the spot on filter paper is faint yellow to yellow, and nonirritant taste;
Moisture :≤0.2%;
Throw out or mechanical impurity :≤0.2%.
The inflation method of softening oil, is according to volatile quantity, pour point, or adds the technical indicator of viscosity, flash-point, moisture, throw out or content of impurities, is formed by one or more mixing oils of mineral oil, synthetic oil, semi synthetic base oils or vegetables oil.
Note, if the inflation method of the softening oil of modifying asphalt depends on that the content of raw material middle ideal component and character have impurity, remove clean, for refrigerant latitudes, also will add frostproofer before mixing with pitch, frostproofer also can add as properties-correcting agent.
The present invention is that consistent lubricant mixes afterwards and auxiliary agent joins in pitch for the preparation of the method for waterproof roll, then adds properties-correcting agent, conventionally produces waterproof roll after mixed and modified.
Properties-correcting agent in modifying asphalt of the present invention is selected according to the characteristic of pitch and the envrionment conditions of construction, described properties-correcting agent is SBS thermoplastic styrene butadiene rubber properties-correcting agent, SBR styrene-butadiene rubber(SBR) properties-correcting agent, APP Atactic Polypropelene asphalt modifier, IIR isoprene-isobutylene rubber properties-correcting agent or CR chloroprene rubber properties-correcting agent, BR cis-1,4-polybutadiene rubber properties-correcting agent, IR polyisoprene rubber properties-correcting agent, SIS styrene isoprene styrene block copolymer (SIS) properties-correcting agent, SEBB properties-correcting agent, SEBS properties-correcting agent, NR natural rubber properties-correcting agent, EPDM terpolymer EP rubber properties-correcting agent, EPR ethylene-propylene rubber(EPR), SIR silicon rubber, NBR paracril or other can make the flexible improved properties-correcting agent of pitch.Described auxiliary agent comprises aggregate, filler, emulsifying agent, anti-fissuring agent, anti-aging agent and polymkeric substance.
Above-described modified asphalt waterproof coiled material is used for roofing, pond, vault, culvert or needs wall or the metope of WATER REPELLENT.
The principle that the present invention produces the softening oil standard of modifying asphalt in the process of waterproof roll is:
Due to the dense structure of pitch, be difficult to allow polymkeric substance, resin, plastics, carbon black, inorganic salt etc. be dissolved in pitch by simple and mechanical stirring, do not have the effect improving asphalt performance, therefore, need to add auxiliary agent (softening oil) in pitch and asphalt modification process, pitch is softened, expands, weaken intermolecular reactive force.Under the effect of stirring or grind, pitch can disperse, and forms network decussate texture, obviously improves the performances such as the high/low temperature of pitch.But current not every oils can play swelling ramollescence, use oils in the market of a great variety, there is no clear and definite technical indicator, quality is uneven, especially, inside modifying asphalt, all kinds of oil is had to occur especially, the impact large on the quality comparision of production of final modifying asphalt.The present invention at the enterprising professional etiquette model of the parameter of product, can play the effect of benign development.
The invention has the beneficial effects as follows:
1, the mineral oil of all size, synthetic oil, semi synthetic base oils or vegetables oil can be used to adjust, the Waste gasoline of cleaning equipment, food waste oil can be used especially, refining trench wet goods, these waste oil are used for the raw material as modified asphalt waterproof coiled material, substantially increase the comprehensive utilization ability of resource.
2, in pitch and modifier modification process, add softening oil, pitch is softened, expands, weaken intermolecular reactive force.Under the effect of stirring or grind, pitch can disperse, and forms network decussate texture, obviously improves the performances such as the high/low temperature of pitch.
The inflation method of the softening oil in 3, described modified asphalt waterproof coiled material production, according to volatile quantity, pour point, or add the technical indicator of viscosity, flash-point, moisture, throw out or content of impurities, one or more mixing oils of mineral oil, synthetic oil, semi synthetic base oils or vegetables oil are formed.
4, for the industry provides operable standard.
Accompanying drawing explanation
Fig. 1 is the process flow sheet of softening oil of the present invention for waterproofing membrane production method.
See from figure, one or more mixing oils of mineral oil, synthetic oil, semi synthetic base oils or vegetables oil mix by the present invention, add auxiliary agent, then just can mix with pitch, make waterproof roll, are applied to the construction works such as body of wall, roofing, vault.
Embodiment
Embodiment 1: softening oil 1
By Oleum Gossypii semen, the oil filtration changed from automobile, remove impurity, add No. 90 gasoline, mix, each technical indicator provided according to foregoing invention content, measures its volatile quantity :≤6%; Pour point :≤-10 DEG C; The kinematic viscosity of 40 DEG C is 10-200mm
2/ S; Flash-point:>=180 DEG C; Drop on filter paper with glass stick and observe, the spot on filter paper is faint yellow to yellow, and nonirritant taste; Moisture :≤0.2%; Throw out or mechanical impurity :≤0.2%.
Embodiment 2: softening oil 2
By food waste oil (sewer oil), filter, remove impurity, add appropriate turps and No. 100 solvent oils, mix, each technical indicator provided according to foregoing invention content, measures its volatile quantity :≤6%; Pour point :≤-10 DEG C; The kinematic viscosity of 40 DEG C is 10-200mm
2/ S; Flash-point:>=180 DEG C; Drop on filter paper with glass stick and observe, the spot on filter paper is faint yellow to yellow, and nonirritant taste; Moisture :≤0.2%; Throw out or mechanical impurity :≤0.2%.
Embodiment 3: softening oil 3
Petrochemical production process produced next two wires oil, filter, remove impurity, add appropriate plam oil, mix, each technical indicator provided according to foregoing invention content, measures its volatile quantity :≤6%; Pour point :≤-10 DEG C; The kinematic viscosity of 40 DEG C is 10-200mm
2/ S; Flash-point:>=180 DEG C; Drop on filter paper with glass stick and observe, the spot on filter paper is faint yellow to yellow, and nonirritant taste; Moisture :≤0.2%; Throw out or mechanical impurity :≤0.2%.
Embodiment 4: softening oil 4
Waste or used plastics is added benzene kind solvent, dissolution filter, remove impurity, add ethanol in proper amount and No. 0 diesel oil and appropriate waste cooking oil, mix, each technical indicator provided according to foregoing invention content, measures its volatile quantity :≤6%; Pour point :≤-10 DEG C; The kinematic viscosity of 40 DEG C is 10-200mm
2/ S; Flash-point:>=180 DEG C; Drop on filter paper with glass stick and observe, the spot on filter paper is faint yellow to yellow, and nonirritant taste; Moisture :≤0.2%; Throw out or mechanical impurity :≤0.2%.
Embodiment 5: softening oil 5
By the Waste gasoline of cleaning equipment, dissolution filter, removes impurity, and add ethanol in proper amount, machine oil and petrochemical production process and produce the two wires oil come, mix, each technical indicator provided according to foregoing invention content, measures its volatile quantity :≤6%; Pour point :≤-10 DEG C; The kinematic viscosity of 40 DEG C is 10-200mm
2/ S; Flash-point:>=180 DEG C; Drop on filter paper with glass stick and observe, the spot on filter paper is faint yellow to yellow, and nonirritant taste; Moisture :≤0.2%; Throw out or mechanical impurity :≤0.2%.
Embodiment 6: prepare waterproof roll
With above-described embodiment 2 softening oil weight 15-20 part; add pitch 30-50 part, toluene 2 parts, weighting agent magnesium oxide 3-8 part, filler-calcium carbonate powder 40-60 part; first by asphalt heating to 80 DEG C; slowly add softening oil; it is made to arrive softening; then 160-200 DEG C is warmed up to; after pitch reaches molten state; add toluene 2 parts, weighting agent magnesium oxide, filler-calcium carbonate powder mix; stirring reaction 0.5-2 hour; finally be laid on the surface of plastic basic unit, cover barrier film protective layer, obtained waterproof roll.
Embodiment 7: prepare waterproof roll
With above-described embodiment 3 softening oil (weight) 20-25 part, 30 ~ 40 parts of 90# pitches (weight), 2 ~ 5 parts of ethylene propylene copolymer 1# (weight), 3 ~ 9 parts of rosin (weight), 1 ~ 2 part of toluene (weight), weighting agent plastic waste powder 3-8 part, filler-calcium carbonate powder 40-60 part, first by asphalt heating to 80 DEG C, slowly add softening oil, it is made to arrive softening, then 160-200 DEG C is warmed up to, after pitch reaches molten state, add rosin, toluene, weighting agent plastic waste powder, filler-calcium carbonate powder mixes, stirring reaction 0.5-2 hour, last root is laid on the surface of plastic basic unit, cover barrier film protective layer, obtained waterproof roll.
The all technical detected result of the waterproof roll of the embodiment of the present invention 5 reaches GB/T23457-2009 standard rating, for ease of reference, is listed in the table below.
From above-mentioned detected result, indices of the present invention all meets national standard, is suitable for industrial mass and applies.
Claims (8)
1. softening oil is in the purposes of modified asphalt waterproof coiled material.
2. softening oil according to claim 1 is in the purposes of modified asphalt waterproof coiled material, it is characterized in that, described softening oil is formed by one or more mixing oils of mineral oil, synthetic oil, semi synthetic base oils or vegetables oil adjustment.
3. softening oil according to claim 1 is in the purposes of modified asphalt waterproof coiled material, it is characterized in that, described mineral oil, synthetic oil and semi synthetic base oils are qualified GB oil or nonstandard oil, comprise gasoline, kerosene, ethanol petrol, machine oil, carbon five, peanut oil, Oleum Gossypii semen, plam oil, soya-bean oil and Viscotrol C; Or the Waste gasoline of cleaning equipment, animal oil or refining sewer oil.
4. softening oil according to claim 1 is in the purposes of modified asphalt waterproof coiled material, it is characterized in that, the key technical indexes of softening oil is as follows:
(1) volatile quantity :≤6%;
The described volatile quantity method of inspection: take 100g softening oil with the beaker of 250ml, take total amount m1, be placed in 200 ± 2 DEG C of high-temperature test chambers, constant temperature 1.5h, is cooled to 23 ± 2 DEG C, weighs total amount m2, calculates volatile quantity=(m1-m2)/100g × 100%;
(2) pour point :≤-10 DEG C;
The minimum temperature that can flow when described pour point refers to that softening oil cools under prescribed conditions.
5. softening oil according to claim 1 is in the purposes of modified asphalt waterproof coiled material, it is characterized in that, softening oil the key technical indexes also comprises:
Viscosity: the kinematic viscosity of 40 DEG C is 10-200mm
2/ S;
Described kinematic viscosity is express liquid the measuring of internal friction when flowing under gravity, and its value is compare between the kinetic viscosity of liquid under uniform temp and its density;
Flash-point: >=180 DEG C;
Described flash-point is under regulation test conditions, and test flame causes sample vapor ignition, and makes propagation of flame to the minimum temperature of fluid surface, under being adapted to 101.3kPa normal atmosphere;
Outward appearance and smell: drop on filter paper with glass stick and observe, the spot on filter paper is faint yellow to yellow, and nonirritant taste;
Moisture :≤0.2%;
Throw out or mechanical impurity :≤0.2%.
6. softening oil according to claim 1 is in the purposes of modified asphalt waterproof coiled material, it is characterized in that, the inflation method of softening oil, according to volatile quantity, pour point, or add the technical indicator of viscosity, flash-point, moisture, throw out or content of impurities, one or more mixing oils of mineral oil, synthetic oil, semi synthetic base oils or vegetables oil are formed.
7. softening oil according to claim 1 is in the purposes of modified asphalt waterproof coiled material, it is characterized in that, described modifying asphalt adds properties-correcting agent, auxiliary agent and softening oil by pitch to be mixed to get.
8. softening oil according to claim 1 is in the purposes of modified asphalt waterproof coiled material, it is characterized in that, described properties-correcting agent is SBS thermoplastic styrene butadiene rubber properties-correcting agent, SBR styrene-butadiene rubber(SBR) properties-correcting agent, APP Atactic Polypropelene asphalt modifier, IIR isoprene-isobutylene rubber properties-correcting agent or CR chloroprene rubber properties-correcting agent, BR cis-1,4-polybutadiene rubber properties-correcting agent, IR polyisoprene rubber properties-correcting agent, SIS styrene isoprene styrene block copolymer (SIS) properties-correcting agent, SEBB properties-correcting agent, SEBS properties-correcting agent, NR natural rubber properties-correcting agent, EPDM terpolymer EP rubber properties-correcting agent, EPR ethylene-propylene rubber(EPR), SIR silicon rubber, NBR paracril or other can make the flexible improved properties-correcting agent of pitch, described auxiliary agent comprises aggregate, filler, emulsifying agent, anti-fissuring agent and anti-aging agent.
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| CN106364065A (en) * | 2016-08-27 | 2017-02-01 | 潍坊市宏源防水材料有限公司 | High-heat-reflection type plastomer modified asphalt waterproof roll and production process thereof |
| CN106519715A (en) * | 2016-11-01 | 2017-03-22 | 同济大学 | Swill-cooked dirty oil based modified biological asphalt, biological asphalt mixture and preparation method thereof |
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| CN107722653A (en) * | 2017-10-26 | 2018-02-23 | 廊坊鸿禹乔防水材料有限公司 | A kind of modified asphalt mixture and preparation method thereof |
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| WO2023111859A1 (en) * | 2021-12-13 | 2023-06-22 | C.I Multiservicio De Ingenieria 1A S.A | Multifunctional additive composition for asphalts |
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