CN105176177A - Softening oil in bridging modified asphalt waterproof paint and adjusting method - Google Patents
Softening oil in bridging modified asphalt waterproof paint and adjusting method Download PDFInfo
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Abstract
The invention discloses softening oil in bridging modified asphalt waterproof paint and an adjusting method. The modified asphalt is obtained after reaction of rubber latex, emulsified asphalt, a waterproof bridging agent and softening oil. The softening oil is composed of one or some of mineral oil, synthetic oil, semi-synthetic oil or plant oil. The softening oil can ensure excellent physical and chemistry characteristics of asphalt during the waterproof paint production process, the asphalt can be fused with modifiers well, and modified asphalt waterproof paint which can has a good bonding force with concrete basic surface is produced. The bridging agent is silane compounds, lignin, titanate compounds, phosphate compounds or bi-metal compounds, and counts for 0.1-15% of the total weight of asphalt. The invention also provides a softening oil standard during the process of producing bridging modified asphalt waterproof paint.
Description
Technical field
The present invention relates to a kind of auxiliary material improving pitch use procedure, particularly in waterproof paint is produced 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 paint, 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 paint, 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 and a kind of auxiliary material improving pitch use procedure is provided, particularly in waterproof paint for the softening oil of bridge linking type modifying asphalt and inflation method thereof, this softening oil can make the excellent physics-chem characteristic ensureing pitch in the process of producing waterproof paint best, meet the condition adding properties-correcting agent, produce can with concrete surface generation chemical reaction, produce the effect of chemically crosslinked bonding force.
Another object of the present invention is to provide a kind of softening oil standard producing the bridge linking type modifying asphalt used in the process of waterproof paint.
The present invention is achieved in that
A softening oil in the production of bridge linking type modified waterproof asphalt material, it is characterized in that, described softening oil is made up of one or more mixing oils of mineral oil, synthetic oil, semi synthetic base oils or vegetables oil, and its key technical indexes 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.
Above-mentioned 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%.
Described mineral oil, synthetic oil and semi synthetic base oils are qualified GB oil or nonstandard 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 obtained.
Described bridge linking type waterproof paint, modifying asphalt is obtained by reacting by rubber latex, emulsified bitumen waterproof bridging agent and softening oil, wherein rubber latex parts by weight 20 ~ 60; Parts by weight emulsified bitumen 20 ~ 60; Parts by weight waterproof bridging agent 0.1 ~ 5; Softening oil add-on accounts for the 3-40% of pitch gross weight.Described bridging agent is silane compound, xylogen, titanate ester compound, phosphate compounds or bimetal compound.
Described rubber latex is the composition of any one or they in natural rubber latex, styrene butadiene rubber latex, Neoprene latex, SBS rubber latex or polyacrylate(s);
Described emulsified bitumen is pitch, emulsifying agent, coatings additive(s) and water obtain emulsion through mulser process; Described emulsified bitumen selects cationic emulsified bitumen, anionic emulsified bitumen, non ionic emulsified bitumen.
The inflation method of the softening oil in described bridge linking type modified waterproof asphalt 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
Described bridge linking type modifying asphalt adds bridging agent, properties-correcting agent, auxiliary agent and softening oil by pitch to be mixed to get, described bridging agent is silane compound, xylogen, titanate ester compound, phosphate compounds or bimetal compound, accounts for the 0.1-15% of pitch gross weight;
Above-described bridge linking type modified waterproof asphalt material may be used for roofing, pond, vault, culvert or needs the position of WATER REPELLENT.
Above-described mineral oil, synthetic oil, semi synthetic base oils or vegetables oil, different boiling oil can be adopted, such as gasoline, kerosene, ethanol petrol, machine oil, carbon five, peanut oil, Oleum Gossypii semen, plam oil, soya-bean oil, Viscotrol C also can be the machine oil of recovery, the Waste gasoline, food waste oil (refining sewer oil) etc. of cleaning equipment.
Note, if the inflation method of the softening oil of bridge linking type 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.
Silane compound, xylogen, titanate ester compound, phosphate compounds or bimetal compound are the materials for linking agent that people met, but in bridging agent of the present invention, these compounds are not general linking agents, it mixes in asphalt tack coat, that one end can be combined with asphaltene molecule, the bridging agent that the other end can be combined with cement-hydrate, as erecting the waterproof bridge that is prepared water-proof material.
In the structure of waterproof bridging agent, the unsatisfied chemical bond one end such as C=C double bond, hydroxyl, carboxyl can be reacted with unsaturated link(age) in pitch, form good chemical affinity, and the hydrated calcium silicate produced in the other end of waterproof bridging agent and cement hydration process or calcium aluminate combine and form chemical bond, chemical crosslink reaction is carried out with concrete, adhesive linkage and cement are closely coupled as one, there is chemical bond in region of interest, erect a waterproof bridge, after solidification, play irreversible cohesive action.
The tack coat of modified waterproof asphalt material of the present invention is owing to being mixed with bridging agent, the bonding that it mixes asphalt tack coat and concrete surface is irreversible, cohesive strength is large, tearing toughness is high, unit elongation is large, even if basal plane expands with heat and contract with cold and produces displacement and even to ftracture or adhesive surface is subject to the immersion of water and the effect of hydraulic pressure for a long time, still keep bond effect; The macromolecule membrane that basic unit is puncture, unit elongation is large, physical strength is high, water resistance is excellent or sheet material, cost is low.
In order to make the softening oil of bridge linking type modifying asphalt can take asphaltene molecule group closely apart, also need to add a certain amount of auxiliary agent, described auxiliary agent comprises filler, emulsifying agent, frostproofer, anti-fissuring agent etc.Described promoter addition is the 0.5-20% of softening oil weight.
The present invention is that softening oil mixes afterwards and bridge linking type, auxiliary agent join in pitch for the preparation of the method for bridge linking type modified waterproof asphalt material, then adds properties-correcting agent, conventionally produces waterproof paint after mixed and modified.
Softening oil in above-described bridging agent modified waterproof asphalt material production, described modified waterproof asphalt 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 bridging agent modifying asphalt in the process of waterproof paint 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 bridging agent 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:
The inflation method of the softening oil in 1, described bridge linking type modified waterproof asphalt 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.
2, in pitch and asphalt modification process, add auxiliary agent (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.
3, 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.
3, for the industry provides operable standard.
Accompanying drawing explanation
Fig. 1 is the process flow sheet of bridge linking type modified waterproof asphalt material production method of the present invention.
See from figure, the present invention is by the mineral oil of all size, synthetic oil, semi synthetic base oils or vegetables oil, and mixing, adds bridging agent and auxiliary agent obtains.Then just can mix with pitch, make waterproof paint, be applied to body of wall, roofing, inferior construction work.
Embodiment
Embodiment 1: softening oil 1
By high boiling point oil, medium boiling point oil and slops, mixing, adds auxiliary agent and obtains.Then just can mix with pitch.
Above-described high boiling point oil, medium boiling point oil and slops are the mixing oils of mineral oil, vegetables oil or mineral oil, vegetables oil.High boiling point oil, such as gasoline, kerosene, ethanol vapor wet goods; Medium boiling point oil, such as machine oil, carbon five; Vegetables oil, such as peanut oil, Oleum Gossypii semen, plam oil, soya-bean oil, Viscotrol C; Slops is the machine oil of recovery, the Waste gasoline, food waste oil (refining sewer oil) etc. of cleaning equipment.
Asphaltene molecule group closely can be taken apart to make the softening oil of modifying asphalt, also need to add a certain amount of auxiliary agent, above-described auxiliary agent is the composition of any one or they in organo silane coupling agent, bimetal coupling agent, xylogen coupling agent, tin coupling agent, zirconium coupling agent, phosphate coupling agent or rare-earth coupling agent.Described promoter addition is the 0.5-20% of softening oil weight.
The present invention is that softening oil mixes afterwards and auxiliary agent joins in pitch for the preparation of the method for bridge linking type modified waterproof asphalt material, then adds properties-correcting agent, conventionally produces waterproof paint after mixed and modified.
Embodiment 2: softening oil 2
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 3: softening oil 3
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 4: softening oil 4
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 5: waste or used plastics is added benzene kind solvent by softening oil 5, dissolution filter, removes impurity, and add ethanol in proper amount and No. 0 diesel oil and vinyl trichloro silane, 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: softening oil 6
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 7: prepare waterproof paint
With above-described embodiment 1 softening oil (weight) 10-20 part, 30 ~ 40 parts of 90# pitches (weight), 2 ~ 5 parts of ethylene propylene copolymer 1# (weight), 1 ~ 5 part of silane bridging agent (weight), 2-5 part thickening material wilkinite (weight), 1-4 part cation asphalt emulgent, water 20-30 part, is warming up to 120-150 DEG C and obtains waterproof paint after mixing.
Embodiment 8: prepare waterproof paint
With above-described embodiment 3 softening oil (weight) 8-15 part, 25 ~ 35 parts of 90# pitches (weight), 2 ~ 5 parts of urethane 1# (weight), 1 ~ 5 part of Aluminate bridging agent (weight), 2-5 part thickening material methylcellulose gum (weight), 1-4 part cation asphalt emulgent, water 20-25 part, is warming up to 120-150 DEG C and obtains waterproof paint after mixing.
Embodiment 9: prepare waterproof paint
With above-described embodiment 3 softening oil (weight) 12-22 part, 35 ~ 45 parts of 90# pitches (weight), 2 ~ 5 parts of urethane 1# (weight), 1 ~ 5 part of titanic acid ester bridging agent (weight), 2-5 part thickening material methylcellulose gum (weight), 1-4 part cation asphalt emulgent, water 20-25 part, is warming up to 120-150 DEG C and obtains waterproof paint after mixing.
Test: get bridge linking type modified waterproof asphalt material brushing that above-described embodiment obtains on cement concrete surface, the waterproofing layer thickness after doing solid work is made to be 1 ~ 2mm, carry out salient features test according to JC/T408-2005 " aqueous emulsion asphaltic base waterproof paint " detection method to the waterproof layer of above-mentioned formation, result is as shown in table 1 below:
Claims (8)
1. the softening oil in the production of bridge linking type modified waterproof asphalt material, it is characterized in that, described softening oil is made up of one or more mixing oils of mineral oil, synthetic oil, semi synthetic base oils or vegetables oil, and its key technical indexes 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.
2. the softening oil in bridge linking type modified waterproof asphalt material production according to claim 1, it is characterized in that, its 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%.
3. the softening oil in bridge linking type modified waterproof asphalt material production according to claim 1, is characterized in that, described mineral oil, synthetic oil and semi synthetic base oils are qualified GB oil or nonstandard oil.
4. the softening oil in bridge linking type modified waterproof asphalt material production according to claim 1, it is characterized in that, described bridge linking type waterproof paint, modifying asphalt is obtained by reacting by rubber latex, emulsified bitumen, waterproof bridging agent and softening oil, the wherein parts by weight 20 ~ 60 of rubber latex; Parts by weight emulsified bitumen 20 ~ 60; Parts by weight waterproof bridging agent 0.1 ~ 5; Described bridging agent is silane compound, xylogen, titanate ester compound, phosphate compounds or bimetal compound, and softening oil add-on accounts for the 3-40% of pitch gross weight.
5. the softening oil in bridge linking type modified waterproof asphalt material production according to claim 4, it is characterized in that, described rubber latex is the composition of any one or they in natural rubber latex, styrene butadiene rubber latex, Neoprene latex, SBS rubber latex or polyacrylate(s).
6. bridge linking type modified waterproof asphalt material according to claim 4 produce in softening oil, it is characterized in that, described emulsified bitumen is pitch, emulsifying agent, coatings additive(s) and water obtains emulsion through mulser process; Described emulsified bitumen selects cationic emulsified bitumen, anionic emulsified bitumen, non ionic emulsified bitumen.
7. the inflation method of the softening oil in bridge linking type modified waterproof asphalt material production according to claim 1, it is characterized in that, 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.
8. the application of the softening oil in bridge linking type modified waterproof asphalt material production according to claim 1, described bridge linking type modified waterproof asphalt material is used for roofing, pond, vault, culvert or needs the position of WATER REPELLENT.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175870A (en) * | 2016-03-09 | 2017-09-19 | 广西金雨伞防水装饰有限公司 | Strengthen the modified asphalt waterproof coiled material and its production method of overlap edge |
| CN111793436A (en) * | 2020-07-20 | 2020-10-20 | 上海三棵树防水技术有限公司 | Single-component asphalt-based water-based non-cured rubber asphalt waterproof coating and preparation method thereof |
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| CN111793436A (en) * | 2020-07-20 | 2020-10-20 | 上海三棵树防水技术有限公司 | Single-component asphalt-based water-based non-cured rubber asphalt waterproof coating and preparation method thereof |
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