CN109135571A - A kind of uncured rubber asphalt waterproof coating and its preparation process - Google Patents
A kind of uncured rubber asphalt waterproof coating and its preparation process Download PDFInfo
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- CN109135571A CN109135571A CN201810886074.8A CN201810886074A CN109135571A CN 109135571 A CN109135571 A CN 109135571A CN 201810886074 A CN201810886074 A CN 201810886074A CN 109135571 A CN109135571 A CN 109135571A
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- parts
- powder
- waterproof coating
- asphalt waterproof
- rubber asphalt
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 47
- 239000005060 rubber Substances 0.000 title claims abstract description 47
- 239000011248 coating agent Substances 0.000 title claims abstract description 44
- 238000000576 coating method Methods 0.000 title claims abstract description 44
- 239000010426 asphalt Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims description 11
- 229920005989 resin Polymers 0.000 claims abstract description 44
- 239000011347 resin Substances 0.000 claims abstract description 44
- 239000000843 powder Substances 0.000 claims abstract description 40
- 239000000945 filler Substances 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 239000004743 Polypropylene Substances 0.000 claims abstract description 8
- -1 polypropylene Polymers 0.000 claims abstract description 8
- 229920001155 polypropylene Polymers 0.000 claims abstract description 8
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 15
- 239000003208 petroleum Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 11
- 238000012216 screening Methods 0.000 claims description 8
- 239000010881 fly ash Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 5
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 4
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 239000003973 paint Substances 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 abstract description 2
- 239000005871 repellent Substances 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 19
- 239000003921 oil Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 230000002045 lasting effect Effects 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- YIWGJFPJRAEKMK-UHFFFAOYSA-N 1-(2H-benzotriazol-5-yl)-3-methyl-8-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carbonyl]-1,3,8-triazaspiro[4.5]decane-2,4-dione Chemical compound CN1C(=O)N(c2ccc3n[nH]nc3c2)C2(CCN(CC2)C(=O)c2cnc(NCc3cccc(OC(F)(F)F)c3)nc2)C1=O YIWGJFPJRAEKMK-UHFFFAOYSA-N 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- ONCZQWJXONKSMM-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4].[Si+4].[Si+4].[Si+4] ONCZQWJXONKSMM-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229940080314 sodium bentonite Drugs 0.000 description 1
- 229910000280 sodium bentonite Inorganic materials 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2314/00—Polymer mixtures characterised by way of preparation
- C08L2314/06—Metallocene or single site catalysts
Abstract
The invention discloses a kind of uncured rubber asphalt waterproof coating, the component comprising following parts by weight: 55-60 parts of modified pitch；5-10 parts of tackifying resin；10-15 parts of rubber powder；15-20 parts of liquid filler；10-15 parts of powder filler；5-10 parts of metallocene class polypropylene.Pass through above-mentioned setting, the addition of tackifying resin further promotes the viscosity of pitch, powder filler and rubber powder are also able to ascend the mobility and creep properties of pitch simultaneously, liquid filler and the polyacrylic addition of metallocene class are so that the croop property of water-repellent paint entirety further increases, it can adapt to the waterproof demand in different cracks, and adhesive property, self-healing are all improved, the works scope of adaptation further becomes wide.
Description
Technical field
The present invention relates to field of waterproof materials, in particular to a kind of uncured rubber asphalt waterproof coating and its preparation work
Skill.
Background technique
Pitch is the byproduct in oil exploitation, but is widely used in each engineering, is natural high-quality waterproof
Moisture-proof and corrosion-resistant organic gel materials.Rather than curing rubber asphalt waterproofing paint is added using rubber, pitch as Main Components
The water-repellent paint that sticky body of paste is kept within service life that auxiliary agent is mixed, it is than simple using pitch as waterproof structure
Part has more more preferable advantages, is gradually received and is approved by market in recent years.
A kind of uncured rubber-asphalt waterproof is disclosed in the Chinese patent document that application publication number is CN107142017A
Coating, coating include pitch, softening oil, synthetic rubber, resin, tackifying resin, wetting agent, butyl rubber, sodium bentonite and
Oxysome, the coating being prepared is ageing-resistant, has certain low temperature viscometric property and creep properties.
But most uncured rubber asphalt waterproof coating is as described in above scheme on domestic market, spread in performance
It is uneven, especially when used for a long time, it is difficult to meet the further secondary infiltration of development bring in crack of seeping water in practical building
The infiltration crack stress that often subsiding crack, deformation joint etc. occur in water phenomenon, especially large-scale municipal capital construction is very big, develops
It is exceedingly fast, tearing can be generated to the uncured rubber asphalt waterproof coating filled in it, influence the waterproof of building when used for a long time
Performance requirement.
Summary of the invention
In view of the deficienciess of the prior art, the purpose of the present invention one is to provide a kind of uncured rubber-asphalt waterproof painting
Material has the effect of further promoting viscosity and creep properties, expands the coating scope of application.
Above-mentioned technical purpose of the invention technical scheme is that, a kind of uncured rubber asphalt is anti-
Water paint, the component comprising following parts by weight: 55-60 parts of modified pitch；5-10 parts of tackifying resin；10-15 parts of rubber powder；Liquid
15-20 parts of body filler；10-15 parts of powder filler；5-10 parts of metallocene class polypropylene.
By using above-mentioned technical proposal, it can do again and optimize on the basis of performance itself after asphalt modification, it is more suitable
It shares in closure crack, and the addition of tackifying resin, good elasticity and retractility on the one hand are brought for pitch, so that coating
More adapt to the subsequent change and progress in crack, the function of the lasting outstanding anti-dew of completion waterproof, another aspect, tackifying resin
High stability and viscosity is larger, can assign coating stronger caking property, promote the adhesion strength of product；
The addition of rubber powder and powder filler improves the mobility and creep properties of pitch, and also reduces cost, liquid filler
On the one hand play the role of dissolving tackifying resin, necessary lubricating action is on the other hand played, so that mixing between solid particle
It is more uniform；
And metallocene class polypropylene has good toughness, and it is not easy to break, uniformity is good, it can assign coating good pull resistance
Can, it can adapt to the further development in waterproof crack, and metallocene class polypropylene itself has good bonding after melting
Property, good cohesive force further is provided for coating, so that coating can adapt to continuing development and reducing band for crack
The infiltration phenomenon come.
The further setting of the present invention are as follows: the tackifying resin includes petroleum hydrogenated resin, butadiene-styrene rubber and neoprene,
And it is 15-25% that the petroleum hydrogenated resin, which accounts for the weight percent of the tackifying resin,.
By using above-mentioned technical proposal, the weight percent that petroleum hydrogenated resin accounts in tackifying resin is 15-25%, and
Petroleum hydrogenated resin is nontoxic, meets environmental requirement, and viscosity is larger, can increase the adhesive property of pitch, while petroleum
Hydrogenated resin is due to molecular structure stabilized after hydrogenation, it is difficult to be oxidized, can assign coating stronger anti-aging property, maintain to apply
Expect that long-term basic performance, especially creep properties are more lasting.
The further setting of the present invention are as follows: the rubber powder need to pass through filtering screening, and the particle of rubber powder is controlled when screening
Diameter is less than 40 mesh.
By using above-mentioned technical proposal, rubber powder is added in pitch, can be obviously improved pitch durability and
Anti-fatigue life also assigns the good elasticity of pitch, and so as to absorb more deformation, adaptability is higher.
The further setting of the present invention are as follows: the liquid filler includes that mass ratio is the naphthenic oil of 5:3:2, diethylene glycol second
Ether acetate and DBE.
By using above-mentioned technical proposal, naphthenic oil imparts the preferable mobility of coating, enables coating after fusing
Preferably with attachment surface adhesion, increase contact area and cohesive force, while being also good lubricant, each solid can be made
Particle mixes more uniform；DBE be it is colourless, nontoxic and tasteless can by biodegradable environment protection type high-boiling-point solvent,
And diethylene glycol ether acetate is the very low solvent of colorless and transparent, toxicity, the more environmentally friendly nothing of the solvent formed after the two mixing
Evil, adaptation range is wider, moreover, mixed solvent boiling point is higher simultaneously, it is not volatile, it can effectively ensure that product is original
Ingredient is relatively stable, so that liquid filler can be good at improving the whole workability of coating and increase viscosity.
The further setting of the present invention are as follows: the powder filler includes the flyash and SiO 2 powder that weight ratio is 3:2.
By using above-mentioned technical proposal, flyash and silica can part replacing asphalt and rubber powder, and energy
Enough integral strengths and shear resistance for promoting coating to a certain degree, while flyash and silica are also able to ascend the stream of pitch
Dynamic property and creep properties.
The further setting of the present invention are as follows: the modified pitch includes matrix pitch, PE and SBS, and wherein PE accounts for described change
Property pitch weight percent hundred be 3-5%, SBS account for the modified pitch weight percent be 1-3%.
By using above-mentioned technical proposal, PE be modified can be blended with pitch very uniformly, and improve the height of pitch
Temperature stability, and SBS can improve the low-temperature stability of pitch after mixing with pitch, thus the temperature range that coating can adapt to
Also more extensively, and after ground and mixed is complete, additionally it is possible to significantly promote the adhesive property of pitch.
The purpose of the present invention two is to provide a kind of preparation process of uncured rubber asphalt waterproof coating, and of the invention is upper
State technical purpose two technical scheme is that, include the following steps:
Modified pitch is heated and is melted, while being put into tackifying resin and rubber powder by S1, is stirred homogeneous, obtains mixed resin；
Liquid filler is mixed and is heated with mixed resin by S2, adds metallocene class polypropylene, stirring, obtain just at
Product；
Part filler is added into first product, is uniformly mixed to get finished product by S3.
By using above-mentioned technical proposal, obtained finished product coating property is uniform, function-stable, permanent tack, it is difficult to old
Change and caking property is strong.
The further setting of the present invention are as follows: maintaining temperature in S1 when pitch heating fusing is 140-145 DEG C, and thickening is added
It is 30-35min that the duration is stirred when resin and rubber powder.
The further setting of the present invention are as follows: after the completion of liquid filler is mixed with mixed resin in S2, heating rises temperature
And it is maintained at 160-170 DEG C.
The further setting of the present invention are as follows: need to be ground first product before powder filler is added in S3, grind
Continue 1-1.5h, synchronous stirring when powder filler is added after the completion of grinding, stirs and continues 1-1.5h, it is cooling to get finished product.
By using above-mentioned technical proposal, by each component by the grinding of enough durations, so that mixing is more uniform,
Performance identity further increases.
In conclusion the invention has the following advantages: significantly promoting the height of matrix pitch using modified pitch
Low-temperature stability and caking property, then add rubber powder, powder filler and liquid filler adequately improve coating entirety workability and
Creep properties, and the viscosity that the addition of tackifying resin not only increases coating also provides good ageing resistance, prolongs the service life,
The last polyacrylic addition of metallocene class assigns the good pull resistance of coating, not tearable.
Meanwhile each component is sufficiently mixed under above-mentioned preparation process, coating finished product reaches good identity, thus not only
Have good creep properties, adhesion strength and self-healing ability, and pull resistance is excellent, it is not easy to break, it is non-aging, it is suitable for building
The long-term waterproof of object.
Detailed description of the invention
Fig. 1 is the preparation technology flow chart of uncured rubber asphalt waterproof coating.
Specific embodiment
Embodiment 1: a kind of modified pitch, including matrix pitch, PE and SBS, and the weight ratio of three is 96:3:1.
Embodiment 2: a kind of modified pitch, including matrix pitch, PE and SBS, and the weight ratio of three is 92:5:3.
Embodiment 3-7: a kind of uncured rubber asphalt waterproof coating, including component and corresponding weight it is as shown in table 1, wherein
Modified pitch is using products obtained therefrom in embodiment 1, and tackifying resin includes petroleum hydrogenated resin, butadiene-styrene rubber and neoprene,
And it is 25% that petroleum hydrogenated resin, which accounts for the weight percent of tackifying resin,；Rubber powder need to pass through filtering screening, and when screening controls rubber
The particle diameter of rubber powder is less than 40 mesh；The mass ratio of naphthenic oil, diethylene glycol ether acetate and DBE in liquid filler is 5:
3:2；The weight ratio of flyash and SiO 2 powder in powder filler is 3:2.
Each component and its correspondence weight table (kg) in 1 embodiment 3-7 of table
Embodiment 8: a kind of uncured rubber asphalt waterproof coating, the difference with embodiment 3 are that petroleum hydrogenated resin accounts for
The weight percent of tackifying resin is 15%.
Embodiment 9: a kind of preparation process of uncured rubber asphalt waterproof coating, the component contained and its corresponding content
As shown in Example 3, it carries out as follows:
S1, heating stirring kettle, maintaining temperature is 140-145 DEG C, and being put into modified pitch is completely melt it, while being put into thickening tree
Rouge and rubber powder, are stirred homogeneous, and mixing time continues 35min, obtains mixed resin；
S2 mixes liquid filler with mixed resin, and continuing heating stirring kettle makes temperature be maintained at 160-170 DEG C, at this time again
Metallocene class polypropylene is added, stirs evenly, obtains first product；
S3 grinds first product using colloid mill, grinds and continues 1.5h, and powder is added after completion grinding into first product and fills out
Material stirs lasting 1h and each component is uniformly mixed, cooling to get finished product.
Comparative example 1-7: a kind of rubber-asphalt coating, the difference with embodiment 3 be, including component and its corresponding heavy
Amount is as shown in table 2, wherein modified pitch is using products obtained therefrom in embodiment 1, and tackifying resin includes petroleum hydrogenated resin, fourth
Benzene rubber and neoprene, and it is 25% that petroleum hydrogenated resin, which accounts for the weight percent of tackifying resin,；Rubber powder need to be by filtering
Screening, the particle diameter of control rubber powder is less than 40 mesh when screening；Naphthenic oil, diethylene glycol ether acetate in liquid filler
Mass ratio with DBE is 5:3:2；The weight ratio of flyash and SiO 2 powder in powder filler is 3:2.
Each component and its corresponding content (kg) in 2 comparative example 1-7 of table
Comparative example 8: a kind of rubber-asphalt coating, the difference with embodiment 9 are that each component is put into stirred tank simultaneously,
165 DEG C are heated to, is stirred evenly, finished product is obtained.
Comparative example 9: a kind of rubber-asphalt coating, the difference with embodiment 9 are that each component is put into stirred tank simultaneously,
165 DEG C are heated to, is stirred evenly, obtains finished product, and without grinding.
Characterization experiment
Subjects: product or product obtained during embodiment 3-7, embodiment 9, comparative example 1-9 are 15 groups, every group total take
0.5cm3, as experimental subjects.
Experiment content and result: 3 are shown in Table.
The characterization 15 groups of experimental result summary sheets of experiment of table 3
15 groups of experimental result summary sheets are tested in table 3- continued levies in kind
Claims (10)
1. a kind of uncured rubber asphalt waterproof coating, which is characterized in that the component comprising following parts by weight:
55-60 parts of modified pitch；
5-10 parts of tackifying resin；
10-15 parts of rubber powder；
15-20 parts of liquid filler；
10-15 parts of powder filler；
5-10 parts of metallocene class polypropylene.
2. a kind of uncured rubber asphalt waterproof coating according to claim 1, it is characterised in that: the tackifying resin packet
Petroleum hydrogenated resin, butadiene-styrene rubber and neoprene are included, and the petroleum hydrogenated resin accounts for the weight percent of the tackifying resin
Than for 15-25%.
3. a kind of uncured rubber asphalt waterproof coating according to claim 1, it is characterised in that: the rubber powder need through
Cross filtering screening, the particle diameter of control rubber powder is less than 40 mesh when screening.
4. a kind of uncured rubber asphalt waterproof coating according to claim 1, it is characterised in that: the liquid filler packet
Include naphthenic oil, diethylene glycol ether acetate and the DBE that mass ratio is 5:3:2.
5. a kind of uncured rubber asphalt waterproof coating according to claim 1, it is characterised in that: the powder filler includes
Weight ratio is the flyash and SiO 2 powder of 3:2.
6. a kind of uncured rubber asphalt waterproof coating according to claim 1, it is characterised in that: the modified pitch packet
Matrix pitch, PE and SBS are included, the weight percent hundred that wherein PE accounts for the modified pitch is 3-5%, and SBS accounts for the modified pitch
Weight percent is 1-3%.
7. a kind of preparation process of uncured rubber asphalt waterproof coating according to claim 6, which is characterized in that including
Following steps:
Modified pitch is heated and is melted, while being put into tackifying resin and rubber powder by S1, is stirred homogeneous, obtains mixed resin；
Liquid filler is mixed and is heated with mixed resin by S2, adds metallocene class polypropylene, stirring, obtain just at
Product；
Part filler is added into first product, is uniformly mixed to get finished product by S3.
8. a kind of preparation process of uncured rubber asphalt waterproof coating according to claim 7, it is characterised in that: in S1
It is 140-145 DEG C that temperature is maintained when pitch heating fusing, and the stirring duration is 30- when addition tackifying resin and rubber powder
35min。
9. a kind of preparation process of uncured rubber asphalt waterproof coating according to claim 8, it is characterised in that: in S2
After the completion of liquid filler is mixed with mixed resin, temperature is risen and is maintained at 160-170 DEG C by heating.
10. a kind of preparation process of uncured rubber asphalt waterproof coating according to claim 9, it is characterised in that: S3
It needs to be ground first product before middle addition powder filler, grinds and continue 1-1.5h, powder filler is added after the completion of grinding
When synchronous stirring, stir and continue 1-1.5h, it is cooling to get finished product.
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Denomination of invention: A non curing rubber asphalt waterproof coating and its preparation process Effective date of registration: 20231228 Granted publication date: 20200825 Pledgee: Hefei Xingtai technology financing Company limited by guarantee Pledgor: HEFEI ZHONGTONG WATERPROOF ENGINEERING Co.,Ltd. Registration number: Y2023980074801 |