CN115558309A - Processing method of waterproof sealing paste with excellent water resistance and asphalt on back water surface - Google Patents
Processing method of waterproof sealing paste with excellent water resistance and asphalt on back water surface Download PDFInfo
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- CN115558309A CN115558309A CN202211553134.7A CN202211553134A CN115558309A CN 115558309 A CN115558309 A CN 115558309A CN 202211553134 A CN202211553134 A CN 202211553134A CN 115558309 A CN115558309 A CN 115558309A
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- 239000010426 asphalt Substances 0.000 title claims abstract description 143
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 238000003672 processing method Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 title claims abstract description 14
- 229920001971 elastomer Polymers 0.000 claims abstract description 62
- 239000005060 rubber Substances 0.000 claims abstract description 62
- 239000003208 petroleum Substances 0.000 claims abstract description 60
- 239000002994 raw material Substances 0.000 claims abstract description 37
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 35
- 239000000565 sealant Substances 0.000 claims abstract description 34
- 239000000839 emulsion Substances 0.000 claims abstract description 31
- 239000003921 oil Substances 0.000 claims abstract description 25
- 239000003755 preservative agent Substances 0.000 claims abstract description 25
- 230000002335 preservative effect Effects 0.000 claims abstract description 25
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000011347 resin Substances 0.000 claims abstract description 21
- 229920005989 resin Polymers 0.000 claims abstract description 21
- 239000002562 thickening agent Substances 0.000 claims abstract description 21
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 20
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000007787 solid Substances 0.000 claims abstract description 9
- 229920000126 latex Polymers 0.000 claims description 41
- 239000004816 latex Substances 0.000 claims description 41
- 238000002156 mixing Methods 0.000 claims description 40
- 238000003756 stirring Methods 0.000 claims description 39
- 239000002674 ointment Substances 0.000 claims description 21
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 15
- 239000002174 Styrene-butadiene Substances 0.000 claims description 14
- 239000011115 styrene butadiene Substances 0.000 claims description 14
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 14
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 claims description 12
- 238000004078 waterproofing Methods 0.000 claims description 12
- ZQBAKBUEJOMQEX-UHFFFAOYSA-N phenyl salicylate Chemical compound OC1=CC=CC=C1C(=O)OC1=CC=CC=C1 ZQBAKBUEJOMQEX-UHFFFAOYSA-N 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000004611 light stabiliser Substances 0.000 claims description 5
- 150000001451 organic peroxides Chemical class 0.000 claims description 5
- 230000035515 penetration Effects 0.000 claims description 5
- 238000004525 petroleum distillation Methods 0.000 claims description 5
- 229960000969 phenyl salicylate Drugs 0.000 claims description 5
- 239000011593 sulfur Substances 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 230000002745 absorbent Effects 0.000 claims description 2
- 239000002250 absorbent Substances 0.000 claims description 2
- 239000013530 defoamer Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 239000004568 cement Substances 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 235000019198 oils Nutrition 0.000 description 19
- -1 polypropylene Polymers 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000011301 petroleum pitch Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004359 castor oil Substances 0.000 description 2
- 235000019438 castor oil Nutrition 0.000 description 2
- 235000021323 fish oil Nutrition 0.000 description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000779819 Syncarpia glomulifera Species 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 239000011294 coal tar pitch Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000003779 hair growth Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011297 pine tar Substances 0.000 description 1
- 229940068124 pine tar Drugs 0.000 description 1
- 239000001739 pinus spp. Substances 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002383 tung oil Substances 0.000 description 1
- 229940036248 turpentine Drugs 0.000 description 1
- 239000011850 water-based material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a method for processing a back surface asphalt waterproof sealant with excellent water resistance, which relates to the technical field of asphalt sealants, in particular to a method for processing a back surface asphalt waterproof sealant with excellent water resistance, wherein the back surface asphalt waterproof sealant comprises the following raw materials: petroleum asphalt, emulsion agent, tackifying resin, emulsifier, talcum powder, preservative, defoaming agent, thickening agent, rubber oil and activated rubber. The processing method of the waterproof sealing paste for the asphalt on the back water surface with excellent water resistance has good adhesion, heat resistance, water resistance and mechanical strength, is suitable for the adhesion of various base surfaces, has high solid content and short drying time, is favorable for quick construction, has good high and low temperature performance, high elongation at break, firm adhesion with cement base surfaces, excellent sealing effect and waterproof effect, and good construction performance, and can be used for construction of plane and vertical surfaces.
Description
Technical Field
The invention relates to the technical field of asphalt sealing paste, in particular to a processing method of a waterproof asphalt sealing paste with excellent water resistance on a back water surface.
Background
The asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, is one of high-viscosity organic liquids, is in a liquid state, has a black surface, and can be dissolved in carbon disulfide; the asphalt is a waterproof, moistureproof and anticorrosive organic cementing material; the asphalt can be mainly divided into coal tar asphalt, petroleum asphalt and natural asphalt: wherein, the coal tar pitch is a byproduct of coking; petroleum pitch is the residue of crude oil distillation; the natural asphalt is stored underground, and some natural asphalt forms ore layers or is accumulated on the surface of the crust; the asphalt is mainly used in the industries of paint, plastics, rubber and the like and pavements and the like.
The asphalt waterproof ointment is a plastic or elastoplastic sealing material prepared by taking petroleum asphalt as a base material and adding a softener, a film-forming agent, a filling material, a modified material and the like, wherein the softener comprises heavy turpentine, pine tar, engine oil, heavy diesel oil and the like; the film forming agent comprises fish oil, castor oil, tung oil, etc.; the filling material comprises talcum powder and the like; modified materials include rubber, resin, etc.; the asphalt waterproof factice has different varieties when the preparation materials are different, such as: asphalt fish oil ointment, asphalt castor oil ointment, etc.; in the building engineering, the sealing of various concrete assembly structure joints is very important, the joints are easy to crack by using common cement paste, the joint glue sold in the market at present has poor sealing performance or poor low-temperature crack resistance or thermal insulation and shock resistance effects, and the sealant is a plastic or elastic-plastic caulking sealing material which is used for the joints of the concrete assembly structures, can ensure that the joints are waterproof, airtight and good in durability, and has thermal insulation and shock resistance and low-temperature crack resistance.
The prior patent (publication number: CN 1210366C) discloses a modified asphalt root-resistant waterproof sealant, which is characterized in that: the sealing paste is a mixture prepared from the following raw materials in parts by weight: 40 to 60 portions of asphalt, 10 to 20 portions of atactic polypropylene, 2 to 5 portions of polyethylene, 2 to 5 portions of polypropylene, 5 to 10 portions of engine oil, 20 to 30 portions of filling material and 1 to 2 portions of anti-root agent. The preparation method comprises a, adding asphalt into a stirring tank, adding atactic polypropylene, polyethylene, polypropylene and filler under stirring, mixing and stirring uniformly, wherein the temperature is controlled within 180-210 ℃ all the time; b. mixing the root-resisting agent and the lubricating oil uniformly, adding the mixture into the materials, and fully stirring and mixing the materials uniformly; c. discharging, weighing and packaging to obtain the product. The product of the invention has the advantages of good root resistance, high heat resistance, excellent low-temperature performance, strong corrosion resistance, low cost and convenient use. The waterproof agent can be widely applied to occasions where sealing and waterproofing are needed and plant root hair growth is needed to be resisted at places such as roof gardens, building roofs, underground, asphalt roads, underground pipeline joints, dams, pavement slab joints of runways and the like. The existing asphalt sealant mainly adopts the dilution of asphalt to make the asphalt liquid to fill the gaps of road buildings, the asphalt is easy to crack after being bonded and dried, so that the water seepage condition still occurs inside the road buildings, and the asphalt sealant added with a thickening agent has insufficient waterproofness and cannot well meet the use requirements of people.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for processing the asphalt waterproof sealant on the back surface with excellent water resistance, and solves the problems of high-temperature flowing, low-temperature brittleness, low strength, poor ductility and the like of the traditional asphalt proposed in the background art.
In order to achieve the purpose, the invention is realized by the following technical scheme: the processing method of the back surface asphalt waterproof sealant with excellent water resistance comprises the following raw materials: petroleum asphalt, emulsion agent, tackifying resin, emulsifier, talcum powder, preservative, defoamer, thickener, rubber oil and activated rubber.
Optionally, the waterproof sealant for asphalt on the back surface comprises the following components in parts by weight: 40-50% of petroleum asphalt; 16-20% of emulsion agent; 5-8% of tackifying resin; 0.5 to 1.0 percent of emulsifier; 12-15% of talcum powder; 0.5 to 1.0 percent of preservative; 0.5 to 1.0 percent of defoaming agent; 0.5 to 1.0 percent of thickening agent; 5-8% of rubber oil; 8-12% of activated rubber.
Optionally, the petroleum asphalt is prepared by taking 100 parts by weight of the petroleum asphalt, and the specific weight of other raw materials is as follows: 32-40 parts of an emulsion agent; 10-16 parts of tackifying resin; 1-2 parts of an emulsifier; 24-30 parts of talcum powder; 1-2 parts of a preservative; 1-2 parts of a defoaming agent; 1-2 parts of a thickening agent; 10-16 parts of rubber oil; 16-24 parts of activated rubber.
Optionally, the petroleum asphalt is a black viscous liquid, semisolid or solid, is insoluble in water, and is prepared from petroleum distillation residues; the ash content of this bitumen is less than 1%; the adhesive, the water resistance and the corrosion resistance are realized; the petroleum asphalt has various grades, wherein naphthenic petroleum asphalt with the needle penetration of 70-200mm and high-quality petroleum asphalt with the softening point of 50-55 ℃ and the extensibility of more than 25mm are selected.
Optionally, the activated rubber is processed into powder, and is easy to dissolve and mix.
Optionally, the emulsion agent is prepared by mixing styrene-butadiene latex and neoprene latex, and the weight mixing ratio is set as 1.
Optionally, the weight unit of the styrene-butadiene latex and the chloroprene latex is 16-20 parts by 100 parts of petroleum asphalt.
Optionally, the preservative comprises one or more of phenyl salicylate, an ultraviolet absorber, a light stabilizer, sulfur and an organic peroxide.
Optionally, the processing method of the excellent-water-resistance backside surface asphalt waterproof sealant comprises the following specific steps:
s1, mixing to prepare an emulsion agent, pouring butadiene styrene latex and chloroprene latex into first stirring equipment respectively, and mixing the butadiene styrene latex and the chloroprene latex according to the weight ratio of 1;
s2, preheating petroleum asphalt, keeping the temperature of the heating furnace uniformly raised until the temperature is raised to 100-110 ℃, and keeping stirring at a constant speed during heating and raising the temperature until the surface of the asphalt raw material is black and bright;
s3, after the petroleum asphalt is fully melted, keeping the constant temperature of heating equipment to avoid the adhesion of asphalt raw materials;
s4, adding the mixed emulsion agent in the step one;
s5, sequentially adding tackifying resin, an emulsifier, a preservative, talcum powder and a defoaming agent into the asphalt raw material, and uniformly mixing the materials through first stirring equipment;
s6, preparing the blocky activated rubber into powder by using crushing equipment;
s7, pouring powdered activated rubber, rubber oil and a thickening agent into second stirring equipment until the raw materials are fully mixed;
s8, pouring the raw materials mixed in the step seven into the first stirring equipment in the step one again, heating and stirring for 60-90min, wherein the mixing temperature is set to be 120-130 ℃ until the petroleum asphalt, the activated rubber and the rubber oil are fully mixed;
s9, after the mixing is finished, keeping the stirring temperature constant to 100 +/-5 ℃.
Optionally, the petroleum asphalt mixed in the step eight influences the bonding strength when the temperature is below 80 ℃, and when the ointment is decocted, ointment residues adhered to the decocting pot are scraped clean after each time of shutdown, so as not to influence the quality of the ointment when the ointment is melted next time.
The invention provides a processing method of a waterproof sealant of asphalt on a back water surface, which has excellent water resistance and has the following beneficial effects:
the processing method of the waterproof sealant of the asphalt on the back water surface with excellent water resistance has good adhesion, heat resistance, water resistance and mechanical strength, is suitable for the adhesion of various base surfaces, has high solid content and short drying time, and is beneficial to rapid construction; the self-crosslinking acrylate emulsion and the emulsified asphalt with high solid content are adopted, so that the total solid content of the waterproof seal is improved; emulsified asphalt has characteristics such as nontoxic, odorless, incombustible, drying soon, need not heat during the construction, can directly use to accelerate the construction progress, adopt water-based material, to the environmental pollution-free, also avoided constructor to receive the harm of pitch volatile matter simultaneously, often adopt emulsified asphalt class product to make the waterproof layer in building waterproof engineering, if: the emulsified asphalt waterproof sealing paste prepared by blending the emulsified asphalt waterproof sealing paste with asphalt emulsion has good high and low temperature performance, high elongation at break, firm bonding with a cement base surface, excellent sealing effect and waterproof effect, and good construction performance, and can be used for construction of plane and vertical surfaces.
Detailed Description
The described embodiments are only some embodiments of the invention, and not all embodiments.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
The invention provides a technical scheme that: the processing method of the back surface asphalt waterproof sealant with excellent water resistance comprises the following raw materials: petroleum asphalt, emulsion agent, tackifying resin, emulsifier, talcum powder, preservative, defoaming agent, thickening agent, rubber oil and activated rubber.
In this embodiment, the asphalt waterproof sealant on the back surface comprises the following components in parts by weight: 40-50% of petroleum asphalt; 16-20% of emulsion agent; 5-8% of tackifying resin; 0.5 to 1.0 percent of emulsifier; 12-15% of talcum powder; 0.5 to 1.0 percent of preservative; 0.5 to 1.0 percent of defoaming agent; 0.5 to 1.0 percent of thickening agent; 5-8% of rubber oil; 8-12% of activated rubber.
In this embodiment, the petroleum asphalt is 100 parts by weight, and the specific weight of the other raw materials is as follows: 32-40 parts of an emulsion agent; 10-16 parts of tackifying resin; 1-2 parts of an emulsifier; 24-30 parts of talcum powder; 1-2 parts of a preservative; 1-2 parts of a defoaming agent; 1-2 parts of a thickening agent; 10-16 parts of rubber oil; 16-24 parts of activated rubber.
In this example, petroleum pitch is a black viscous liquid, semisolid or solid, and insoluble in water, and is produced from petroleum distillation residue; the ash content of this bitumen is less than 1%; the adhesive, the water resistance and the corrosion resistance are realized; the petroleum asphalt has various grades, wherein naphthenic petroleum asphalt with the penetration degree of 70-200mm and high-quality petroleum asphalt with the softening point of 50-55 ℃ and the extensibility of more than 25mm are selected.
In this example, the activated rubber was processed into a powder form, and was easily dissolved and mixed.
In this example, the emulsion agent is formed by mixing styrene-butadiene latex and polychloroprene latex, and the weight mixing ratio is set as 1.
In this example, the styrene-butadiene latex and the chloroprene latex were each 16 to 20 parts by weight based on 100 parts by weight of the petroleum asphalt.
In this embodiment, the preservative includes one or more of phenyl salicylate, an ultraviolet absorber, a light stabilizer, sulfur, and an organic peroxide.
In the embodiment, the processing method of the waterproof sealant containing the asphalt on the back surface with excellent water resistance comprises the following specific steps:
s1, mixing to prepare a latex agent, respectively pouring styrene-butadiene latex and neoprene latex into first stirring equipment, mixing the styrene-butadiene latex and the neoprene latex according to a weight ratio of 1;
s2, preheating petroleum asphalt, keeping the temperature in a heating furnace to rise uniformly until the temperature rises to 100-110 ℃, and keeping stirring at a constant speed in the heating process until the surface of the asphalt raw material is black and bright;
s3, after the petroleum asphalt is fully melted, keeping the constant temperature of heating equipment to avoid the adhesion of asphalt raw materials;
s4, adding the mixed emulsion agent in the step one;
s5, sequentially adding tackifying resin, an emulsifier, a preservative, talcum powder and a defoaming agent into the asphalt raw material, and uniformly mixing the materials through first stirring equipment;
s6, preparing the blocky activated rubber into powder by using crushing equipment;
s7, pouring the powdered activated rubber, the rubber oil and the thickening agent into second stirring equipment until the raw materials are fully mixed;
s8, pouring the raw materials mixed in the step seven into the first stirring equipment in the step one again, heating and stirring for 60-90min, wherein the mixing temperature is set to be 120-130 ℃ until the petroleum asphalt, the activated rubber and the rubber oil are fully mixed;
s9, after the mixing is finished, keeping the stirring temperature constant to 100 +/-5 ℃.
In this embodiment, the petroleum asphalt mixed in step eight affects the bonding strength at a temperature below 80 ℃, and when the ointment is decocted, the ointment residue adhered to the decocting pot should be scraped clean after each time of shutdown, so as not to affect the quality of the ointment when the ointment is melted next time.
Example two
The invention provides a technical scheme that: the processing method of the back surface asphalt waterproof sealant with excellent water resistance comprises the following raw materials: 40% of petroleum asphalt; 20 percent of emulsion agent; 5% of tackifying resin; 1.0% of an emulsifier; 13 percent of talcum powder; 1.0% of preservative; 1.0% of defoaming agent; 1.0% of a thickening agent; 8% of rubber oil; 10% of activated rubber;
petroleum asphalt is black viscous liquid, semisolid or solid, is insoluble in water, and is prepared from petroleum distillation residues; the ash content of this bitumen is less than 1%; the adhesive, the water resistance and the corrosion resistance are realized; the petroleum asphalt has various grades, wherein naphthenic petroleum asphalt with the penetration degree of 70-200mm and high-quality petroleum asphalt with the softening point of 50-55 ℃ and the extensibility of more than 25mm are selected;
the weight specific components of other raw materials are as follows: 40 parts of an emulsion agent, wherein the emulsion agent is formed by mixing styrene-butadiene latex and chloroprene latex, and the weight mixing ratio is 1; the weight unit of the styrene-butadiene latex and the neoprene latex is 20 parts by 100 parts of petroleum asphalt; 10 parts of tackifying resin; 2 parts of an emulsifier; 26 parts of talcum powder; 2 parts of preservative, wherein the preservative comprises one or more of phenyl salicylate, ultraviolet absorbent, light stabilizer, sulfur and organic peroxide; 2 parts of a defoaming agent; 2 parts of a thickening agent; 16 parts of rubber oil; 20 parts of activated rubber, wherein the activated rubber is processed into powder and is easy to dissolve and mix.
In this embodiment, the method for processing the asphalt waterproofing sealant with excellent water resistance on the back surface comprises the following specific steps:
s1, mixing to prepare an emulsion agent, pouring butadiene styrene latex and chloroprene latex into first stirring equipment respectively, and mixing the butadiene styrene latex and the chloroprene latex according to the weight ratio of 1;
s2, preheating petroleum asphalt, keeping the temperature of the heating furnace uniformly raised until the temperature is raised to 100-110 ℃, and keeping stirring at a constant speed during heating and raising the temperature until the surface of the asphalt raw material is black and bright;
s3, when the petroleum asphalt is fully melted, keeping the heating equipment at a constant temperature to avoid the adhesion of the asphalt raw material;
s4, adding the mixed emulsion agent in the step one;
s5, sequentially adding tackifying resin, an emulsifier, a preservative, talcum powder and a defoaming agent into the asphalt raw material, and uniformly mixing the materials through first stirring equipment;
s6, preparing the blocky activated rubber into powder by using crushing equipment;
s7, pouring the powdered activated rubber, the rubber oil and the thickening agent into second stirring equipment until the raw materials are fully mixed;
s8, pouring the raw materials mixed in the step seven into the first stirring equipment in the step one again, heating and stirring for 60-90min, wherein the mixing temperature is set to be 120-130 ℃ until the petroleum asphalt, the activated rubber and the rubber oil are fully mixed;
and S9, after the mixing is finished, keeping the stirring temperature constant to 100 +/-5 ℃, wherein the bonding strength of the petroleum asphalt mixed in the step eight is influenced when the temperature is below 80 ℃, and ointment residues bonded on a decocting pot are scraped clean after the ointment is decocted every time, so that the quality of the ointment melted next time is not influenced.
EXAMPLE III
The invention provides a technical scheme that: the processing method of the back surface asphalt waterproof sealant with excellent water resistance comprises the following raw materials: petroleum asphalt, emulsion agent, tackifying resin, emulsifier, talcum powder, preservative, defoaming agent, thickening agent, rubber oil and activated rubber.
In this embodiment, the waterproof sealant for asphalt on the back surface comprises the following components in parts by weight: 50% of petroleum asphalt; 16 percent of emulsion agent; 5% of tackifying resin; 0.5 percent of emulsifier; 12% of talcum powder; 0.5 percent of preservative; 0.5 percent of defoaming agent; 0.5% of thickening agent; 5% of rubber oil; 10 percent of activated rubber.
In this embodiment, the petroleum asphalt is 100 parts by weight, and the specific weight of the other raw materials is as follows: 32 parts of an emulsion agent; 10 parts of tackifying resin; 1 part of an emulsifier; 24 parts of talcum powder; 1 part of preservative; 1 part of a defoaming agent; 1 part of a thickening agent; 10 parts of rubber oil; 20 parts of activated rubber.
In this example, petroleum pitch is a black viscous liquid, semisolid or solid, insoluble in water, and produced from petroleum distillation residues; the ash content of this bitumen is less than 1%; the adhesive, the water resistance and the corrosion resistance are realized; the petroleum asphalt has various grades, wherein naphthenic petroleum asphalt with the penetration degree of 70-200mm and high-quality petroleum asphalt with the softening point of 50-55 ℃ and the extensibility of more than 25mm are selected.
In this example, the activated rubber was processed into a powder form, and was easily dissolved and mixed.
In this example, the emulsion agent is formed by mixing styrene-butadiene latex and neoprene latex, and the weight mixing ratio is 1.
In this example, the styrene-butadiene latex and the chloroprene latex were each 16 parts by weight based on 100 parts by weight of petroleum asphalt.
In this embodiment, the preservative includes one or more of phenyl salicylate, an ultraviolet absorber, a light stabilizer, sulfur, and an organic peroxide.
In this embodiment, the method for processing the asphalt waterproofing sealant with excellent water resistance on the back surface comprises the following specific steps:
s1, preheating petroleum asphalt, keeping the temperature in a heating furnace to rise uniformly until the temperature rises to 100-110 ℃, and keeping stirring at a constant speed in the heating process until the surface of an asphalt raw material is black and bright;
s2, when the petroleum asphalt is fully melted, keeping the heating equipment at a constant temperature to avoid the adhesion of asphalt raw materials;
s3, sequentially adding tackifying resin, an emulsifier, a preservative, talcum powder and a defoaming agent into the asphalt raw material, and uniformly mixing the materials through first stirring equipment;
s4, mixing to prepare the emulsion agent, respectively pouring the styrene-butadiene latex and the chloroprene latex into first stirring equipment, mixing the styrene-butadiene latex and the chloroprene latex according to the weight ratio of 1;
s5, adding the emulsion agent obtained in the fourth step after mixing;
s6, preparing the blocky activated rubber into powder by using crushing equipment;
s7, pouring the powdered activated rubber, the rubber oil and the thickening agent into second stirring equipment until the raw materials are fully mixed;
s8, pouring the raw materials mixed in the step seven into the first stirring equipment in the step one again, heating and stirring for 60-90min, wherein the mixing temperature is set to be 120-130 ℃ until the petroleum asphalt, the activated rubber and the rubber oil are fully mixed;
s9, after the mixing is finished, keeping the stirring temperature constant to 100 +/-5 ℃.
In this embodiment, the petroleum asphalt mixed in step eight affects the bonding strength at a temperature below 80 ℃, and when the ointment is decocted, the ointment residue adhered to the decocting pot should be scraped clean after each time of shutdown, so as not to affect the quality of the ointment when the ointment is melted next time.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The processing method of the waterproof sealant of the asphalt on the back surface with excellent water resistance is characterized by comprising the following steps: the waterproof sealing paste for the asphalt on the back water surface comprises the following raw materials: petroleum asphalt, emulsion agent, tackifying resin, emulsifier, talcum powder, preservative, defoamer, thickener, rubber oil and activated rubber.
2. The method for processing the asphalt waterproofing sealant for the backside surface excellent in water resistance according to claim 1, wherein: the waterproof sealant comprises the following components in parts by weight: 40-50% of petroleum asphalt; 16-20% of emulsion agent; 5-8% of tackifying resin; 0.5 to 1.0 percent of emulsifier; 12-15% of talcum powder; 0.5 to 1.0 percent of preservative; 0.5 to 1.0 percent of defoaming agent; 0.5 to 1.0 percent of thickening agent; 5-8% of rubber oil; 8-12% of activated rubber.
3. The method for processing the asphalt waterproofing sealant for back surfaces excellent in water resistance according to claim 1, characterized in that: the petroleum asphalt takes 100 parts as a weight unit, and the specific weight components of other raw materials are as follows: 32-40 parts of an emulsion agent; 10-16 parts of tackifying resin; 1-2 parts of an emulsifier; 24-30 parts of talcum powder; 1-2 parts of a preservative; 1-2 parts of a defoaming agent; 1-2 parts of a thickening agent; 10-16 parts of rubber oil; 16-24 parts of activated rubber.
4. The method for processing the asphalt waterproofing sealant for the backside surface excellent in water resistance according to claim 1, wherein: the petroleum asphalt is black viscous liquid, semisolid or solid, is insoluble in water and is prepared from petroleum distillation residues; the ash content of this bitumen is less than 1%; the adhesive, the water resistance and the corrosion resistance are realized; the petroleum asphalt has various grades, wherein naphthenic petroleum asphalt with the penetration degree of 70-200mm and high-quality petroleum asphalt with the softening point of 50-55 ℃ and the extensibility of more than 25mm are selected.
5. The method for processing the asphalt waterproofing sealant for the backside surface excellent in water resistance according to claim 1, wherein: the activated rubber is processed into powder and is easy to dissolve and mix.
6. The method for processing the asphalt waterproofing sealant for the backside surface excellent in water resistance according to claim 1, wherein: the emulsion agent is formed by mixing styrene-butadiene latex and neoprene latex, and the weight mixing ratio is set as 1.
7. The method for processing the asphalt waterproofing sealant for back surfaces excellent in water resistance according to claim 6, characterized in that: the weight of the styrene-butadiene latex and the neoprene latex is 16-20 parts by 100 parts of petroleum asphalt.
8. The method for processing the asphalt waterproofing sealant for the backside surface excellent in water resistance according to claim 1, wherein: the preservative comprises one or more of phenyl salicylate, ultraviolet absorbent, light stabilizer, sulfur and organic peroxide.
9. The method for processing the asphalt waterproofing sealant for the backside surface excellent in water resistance according to claim 1, wherein: the processing method of the waterproof sealant for the asphalt on the back surface with excellent water resistance comprises the following specific steps:
s1, mixing to prepare an emulsion agent, pouring butadiene styrene latex and chloroprene latex into first stirring equipment respectively, and mixing the butadiene styrene latex and the chloroprene latex according to the weight ratio of 1;
s2, preheating petroleum asphalt, keeping the temperature in a heating furnace to rise uniformly until the temperature rises to 100-110 ℃, and keeping stirring at a constant speed in the heating process until the surface of the asphalt raw material is black and bright;
s3, after the petroleum asphalt is fully melted, keeping the constant temperature of heating equipment to avoid the adhesion of asphalt raw materials;
s4, adding the emulsion agent mixed in the step one;
s5, sequentially adding tackifying resin, an emulsifier, a preservative, talcum powder and a defoaming agent into the asphalt raw material, and uniformly mixing the materials through first stirring equipment;
s6, preparing the blocky activated rubber into powder by using crushing equipment;
s7, pouring powdered activated rubber, rubber oil and a thickening agent into second stirring equipment until the raw materials are fully mixed;
s8, pouring the raw materials mixed in the step seven into the first stirring equipment in the step one again, heating and stirring for 60-90min, wherein the mixing temperature is set to be 120-130 ℃ until the petroleum asphalt, the activated rubber and the rubber oil are fully mixed;
s9, after the mixing is finished, keeping the stirring temperature constant to 100 +/-5 ℃.
10. The method for processing the asphalt waterproofing sealant for the backside surface excellent in water resistance according to claim 9, wherein: and eighthly, the bonding strength of the mixed petroleum asphalt is influenced below 80 ℃, and ointment residues adhered to a decocting pot are scraped clean after the ointment is decocted every time, so that the quality of the ointment melted next time is not influenced.
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