CN116285399B - Corrosion-resistant elastomer modified asphalt waterproof coiled material and preparation method thereof - Google Patents

Corrosion-resistant elastomer modified asphalt waterproof coiled material and preparation method thereof Download PDF

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CN116285399B
CN116285399B CN202310224099.2A CN202310224099A CN116285399B CN 116285399 B CN116285399 B CN 116285399B CN 202310224099 A CN202310224099 A CN 202310224099A CN 116285399 B CN116285399 B CN 116285399B
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corrosion
parts
coiled material
waterproof coiled
stirring
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CN116285399A (en
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沈凯
徐策
吴晓雨
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Tianjin Yushen Building Waterproof Material Co ltd
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Tianjin Yushen Building Waterproof Material Co ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L95/00Compositions of bituminous materials, e.g. asphalt, tar, pitch
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

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  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

The invention discloses a waterproof coiled material of corrosion-resistant elastomer modified asphalt and a preparation method thereof, and the technical scheme is as follows: the raw materials comprise the following components in parts by weight: 38-42 parts of petroleum asphalt; 4-6 parts of an elastomer modifier; 10-15 parts of base oil; 25-30 parts of light calcium carbonate; 3-5 parts of an anti-corrosion auxiliary agent; 8-10 parts of anti-corrosion filler; 1-3 parts of acid-base resistant agent; the preparation method comprises the following steps: mixing and heating base oil and petroleum asphalt to 120-140 ℃ to obtain an intermediate product 1; stirring the intermediate product 1 with components except light calcium carbonate, anti-corrosion filler and anti-corrosion agent at the rotating speed of 300-350r/min to obtain an intermediate product 2; and adding light calcium carbonate, anti-corrosion filler and anti-corrosion agent into the intermediate product 2, heating to 150-160 ℃, stirring to obtain a mixed material, and treating to obtain the waterproof coiled material. The effect of improving the corrosion resistance of the waterproof coiled material is achieved.

Description

Corrosion-resistant elastomer modified asphalt waterproof coiled material and preparation method thereof
Technical Field
The invention relates to the technical field of waterproof coiled materials, in particular to a corrosion-resistant elastomer modified asphalt waterproof coiled material and a preparation method thereof.
Background
The waterproof coiled material is mainly used for building walls, roofs, tunnels, roads, landfill sites and the like, plays a roll-up flexible building material product for resisting external rainwater and groundwater leakage, is used as a leakage-free connection between an engineering foundation and a building, is a first waterproof barrier of the whole engineering, and plays a vital role in the whole engineering.
However, the waterproof coiled material has a very large number of use environments, some use environments have more bacteria and fungi, and some use environments have water bodies with more acid liquor and alkali liquor. In these service environments, the waterproof coiled material is particularly easy to be corroded by bacteria and fungi in water, so that water seepage or fracture occurs, and the waterproof effect and the service life of the waterproof coiled material are seriously affected.
Disclosure of Invention
In order to improve the corrosion resistance of the waterproof coiled material, the invention provides a corrosion-resistant elastomer modified asphalt waterproof coiled material and a preparation method thereof.
In a first aspect, the application provides a corrosion-resistant elastomer modified asphalt waterproof coiled material, which adopts the following technical scheme:
the corrosion-resistant elastomer modified asphalt waterproof coiled material comprises the following raw materials in parts by weight:
through adopting above-mentioned technical scheme, this application adopts elastomer modifier to modify petroleum asphalt, and the elastomer modifier not only can improve petroleum asphalt's high low temperature resistant performance, and its self hydrogen bond can also be with petroleum asphalt molecule looks effect simultaneously, obviously promotes the compatibility of system, and then the stability of reinforcing system. In addition, the tackifying resin is added into the waterproof coiled material, so that the viscosity of the system can be obviously improved, and the comprehensive mechanical property of the system is further enhanced.
In order to further improve the corrosion resistance of the waterproof coiled material, the anti-corrosion auxiliary agent is added into the waterproof coiled material, when the anti-corrosion auxiliary agent is added into the waterproof coiled material, a plurality of anti-oxidation free radicals can be formed, the anti-oxidation free radicals can well inhibit the propagation of bacteria and fungi, the waterproof coiled material is prevented from being corroded due to excessive propagation of bacteria, fungi and the like on the waterproof coiled material, and the corrosion resistance of the waterproof coiled material is greatly improved.
Meanwhile, the addition of the anti-corrosion filler and the acid and alkali resistant agent can reduce the damage of acid and alkali, bacteria and fungi to the waterproof coiled material to a certain extent, and further enhance the corrosion resistance of the waterproof coiled material.
In summary, the anti-corrosion additive is added into the petroleum asphalt modified by the elastomer modifier, so that the anti-corrosion capability of the waterproof coiled material is greatly enhanced, and the anti-corrosion additive such as the anti-corrosion filler, the acid and alkali resistant agent and the like is also added into the system, so that the anti-corrosion capability of the waterproof coiled material is further enhanced.
Preferably, the anti-corrosion auxiliary agent is prepared by the following method: adding adamantane and triethylamine into dichloromethane, stirring for 0.5-1 hour under ice bath condition, then adding resorcinol and phosphite ester, and continuing stirring for 3-5 hours to obtain an anti-corrosion auxiliary agent, wherein the weight ratio of adamantane, dichloromethane, triethylamine, resorcinol and phosphite ester is 1:50:1: (10-20): (15-20).
By adopting the technical scheme, the corrosion resistant auxiliary agent in the application is adamantane grafted with resorcinol and phosphite. Adamantane is a full aliphatic cycloalkane, and the-CH density is big, and the hydrophobicity is strong, and strong hydrophobicity is favorable to reducing the time of waterproofing membrane and the moisture contact and interaction that contain corrosion factor to the corrosion resistance of waterproofing membrane has been strengthened.
The hindered phenol antioxidant and the phosphite antioxidant are simultaneously grafted into adamantane, so that the corrosion resistance of the waterproof coiled material is further enhanced. When the waterproof coiled material is used, the components in the waterproof coiled material can generate peroxy free radicals in the automatic oxidation process, and the peroxy free radicals can accelerate the corrosion of the waterproof coiled material. However, the meta-diphenol used as the hindered phenol antioxidant can provide hydrogen for peroxy radicals, and the peroxy radicals are combined with hydrogen captured from resorcinol to generate stable antioxidant radicals, so that the antioxidant radicals can well control the propagation of bacteria and fungi. Meanwhile, phosphite esters can be used as phosphite ester antioxidants to be matched with resorcinol, and on one hand, phosphite esters can react with peroxy free radicals formed by resorcinol and inactivate the peroxy free radicals, so that the number of the peroxy free radicals is reduced, and corrosion of waterproof coiled materials is prevented; on the other hand, the phosphite ester can make up the defect that resorcinol can fade when exposed to light, and the phosphite ester can reduce the part of resorcinol oxide which changes color into colorless stable phenol oxygen free radical to generate colorless or white phosphate ester compound. Therefore, resorcinol and phosphite ester show very good synergistic effect, and the resorcinol and phosphite ester are grafted to adamantane, so that the corrosion resistance of the waterproof coiled material is greatly improved.
Preferably, the anti-corrosion filler is prepared by the following method: at the temperature of 22-26 ℃, firstly adding hydrotalcite into a silver nitrate solution with the mass fraction of 60-80%, stirring for 2-3 hours, then reducing by hydrogen, and then centrifuging and drying to obtain an anti-corrosion filler, wherein the weight ratio of the hydrotalcite to the silver nitrate is (1-3): 1.
through adopting above-mentioned technical scheme, this application loads silver ion to the hydrotalcite surface and improves waterproofing membrane's corrosion-resistant ability, and hydrotalcite self two-dimensional lamellar structure has the separation shielding effect to exotic corrosive medium to silver ion that the surface loaded can strongly attract the hydrophobic group on the protease in the bacterium, and combines with it rapidly, makes protease deactivate, leads to the bacterium death, reduces the corruption of microorganism such as bacterium to waterproofing membrane, has strengthened waterproofing membrane's corrosion-resistant ability.
Preferably, the hydrotalcite is zinc-aluminum hydrotalcite; the zinc-aluminum hydrotalcite is prepared by the following method: the hydrotalcite is zinc-aluminum hydrotalcite, and the zinc-aluminum hydrotalcite is prepared by the following method: dissolving zinc nitrate and aluminum nitrate in water to obtain 70-80% mixed salt solution, adding sodium hydroxide and sodium carbonate into the mixed salt solution, stirring at 30-40r/min for 25-35min, crystallizing the obtained mixed solution in water bath at 55-65deg.C for 5.5-6 hr, and drying to obtain zinc-aluminum hydrotalcite, wherein n (NaOH) =2 [ n (Zn) 2+ )+n(Al 3+ )],n(CO 3 2- )=0.5n(Al 3+ ),n(Zn 2+ )/n(Al 3+ )=2~4。
By adopting the technical scheme, zinc-aluminum hydrotalcite is selected as a silver ion-loaded base material, so that the antibacterial property of the waterproof coiled material can be enhanced. The effective antibacterial component in the zinc-aluminum hydrotalcite is zinc oxide, on one hand, the zinc oxide can release free electrons in water and air under the illumination condition, and meanwhile, positively charged holes are reserved, the holes can excite the air to generate active oxygen, and microorganisms such as bacteria, fungi and the like can undergo oxidation reaction with the active oxygen to die; on the other hand, when the free zinc ions contact bacteria, the free zinc ions are combined with enzyme proteins of the bacteria, so that the free zinc ions lose activity and kill the bacteria. The zinc-aluminum hydrotalcite has a strong antibacterial function by the cooperation of the two aspects, prevents bacteria and fungi from corroding the waterproof coiled material, and improves the corrosion resistance of the waterproof coiled material.
Preferably, the acid and alkali resistant agent is quartz powder.
By adopting the technical scheme, the quartz powder has compact structure, strong internal ionic bonds and even bond force distribution, has the characteristic of chemical corrosion resistance, and the main component of the quartz powder is silicon dioxide, and the chemical property of the silicon dioxide is inactive and only reacts with hydrofluoric acid and hot strong alkali, so that the probability of acid-base corrosion is very small, and the corrosion resistance of the waterproof coiled material is improved.
Preferably, the raw materials further comprise 3-5 parts by weight of alumina sol; the alumina sol is prepared by the following method: stirring aluminum trichloride, absolute ethyl alcohol and acetylacetone for 1-1.5 hours at the rotating speed of 13-18r/min to obtain alumina sol, wherein the weight ratio of the aluminum trichloride to the absolute ethyl alcohol to the acetylacetone is (1-3): 20:2.
By adopting the technical scheme, the aluminum trichloride, the absolute ethyl alcohol and the acetylacetone are mixed together to prepare the alumina sol, the aluminum trichloride can be subjected to alcoholysis in an ethanol solution, meanwhile, due to the existence of water, the hydrolysis reaction of the aluminum trichloride also exists in the solution, and Al (OC) generated by hydrolysis of the aluminum trichloride 2 H 5 ) 3 And Al (OH) 3 React with acetylacetone to form alumina sol. According to the waterproof coiled material, the alumina sol is added into the waterproof coiled material, the characteristics that the specific surface of the alumina sol is large, the surface energy is high, and the alumina sol is easy to adsorb corrosion factors in the air and combine with the corrosion factors are utilized, so that a layer of protective film can be formed on the surface of the waterproof coiled material, the external corrosion factors are prevented from corroding the waterproof coiled material, and the corrosion resistance of the waterproof coiled material is further enhanced.
Preferably, the elastomer modifier comprises the following components in parts by weight (1-2): SBS and LDHs of 1.
Through adopting above-mentioned technical scheme, SBS molecule can form space grid structure with petroleum asphalt crosslinking reaction, can reduce the holistic free energy of petroleum asphalt for petroleum asphalt's stability obtains promoting, still adopts LDHs as waterproofing membrane's elastomer modifier in this application, and inorganic plywood in the LDHs can play the physical shielding effect to the ultraviolet ray, can prevent the ultraviolet to waterproofing membrane's corruption, further improves waterproofing membrane's corrosion resistance.
Preferably, the raw materials further comprise 0.5 to 0.6 parts by weight of an aqueous epoxy resin curing agent.
Through adopting above-mentioned technical scheme, this application adds waterborne epoxy curing agent to waterproofing membrane in, can form netted three-dimensional polymer in waterproofing membrane, netted three-dimensional polymer can be with other component molecule parcel wherein in the waterproofing membrane for combine more closely between each component of waterproofing membrane, can better performance corrosion-resistant effect each other, improved waterproofing membrane's corrosion-resistant ability.
In a second aspect, the present application provides a method for preparing a corrosion-resistant elastomer-modified asphalt waterproof roll, comprising the steps of:
(1) Mixing and heating base oil and petroleum asphalt to 120-140 ℃, and stirring until the base oil and petroleum asphalt are completely melted to obtain an intermediate product 1;
(2) Stirring and preserving the intermediate product 1 and all components except light calcium, anti-corrosion filler and anti-corrosion agent for 2-3 hours at the rotating speed of 300-350r/min to obtain an intermediate product 2;
(3) And (3) reducing the stirring speed to 120-150r/min, adding light calcium carbonate, an anti-corrosion filler and an anti-corrosion agent into the intermediate product 2, heating to 150-160 ℃, stirring for 1-2 hours to obtain a mixed material, and then carrying out the processes of dipping, composite forming, curling and the like on the mixed material to obtain the waterproof coiled material.
Through adopting above-mentioned technical scheme, this application is first with base oil and petroleum asphalt mixed heating for it can be better with the additive misce bene such as elastomer modifier and the corrosion resistance auxiliary agent of follow-up interpolation, better promote taking place the reaction between each component, add various additives into wherein again, finally through processes such as flooding, composite forming and curling, obtain the waterproofing membrane. The preparation method is simple, easy to operate and suitable for large-scale production.
In summary, the invention has the following beneficial effects:
1. compared with the common waterproof coiled material, the waterproof coiled material can better resist corrosion of corrosion factors such as external bacteria, fungi and the like, and has stronger corrosion resistance and waterproof effect;
2. the preparation method of the waterproof coiled material has simple steps and easy operation, and is suitable for large-scale industrial production.
Detailed Description
Material source
The raw materials used in the application are all commercially available, and specifically are:
the petroleum asphalt is purchased from Heng shui Maiwei rubber and plastic products limited company, and the compressive strength is more than or equal to 0.26Mpa;
the base oil in this application was purchased from Hebei Fei-Tech Co., ltd, and had a viscosity index of 108;
SBS in the present application was purchased from Korean LG chemical company under model 411;
the LDHs are purchased from the Changzhou Co Ltd of novel carbon materials of the Arisaema, and the specific surface density is 0.2-0.4g/ml;
the light calcium in the application is purchased from Hebei Mimeni mineral products limited company, and the model is Y99-0;
adamantane in the application is purchased from Jinan Quanxing New Material Co., ltd, and the mesh number is 80-120;
resorcinol in this application was purchased from the chemical industry company of Jinan Xin Weida;
the phosphite ester is purchased from Jinan Rong chemical industry Co., ltd, and the refractive index is 1.5200-1.5300;
methylene chloride in the present application was purchased from Weifang mari chemical company, inc.;
the triethylamine in the application is purchased from Jinan chemical industry Co., ltd;
silver nitrate in this application was purchased from Shanghai Zheplatinum New Material Co., ltd;
the hydrogen in this application was purchased from gaseously chemical company of the family bergamot;
the quartz powder in the application is purchased from Hebeike Xue building materials Co., ltd, and the particle number is 1250 mesh;
aluminum trichloride in the present application is purchased from Shandong New Material Co., ltd;
the absolute ethanol in the present application was purchased from Tianjin Hua Ze petrochemical company, inc.;
the acetylacetone is purchased from Shandong Xiangshao novel materials Co., ltd, and the model is CY-D2;
the waterborne epoxy curing agent in the application is purchased from Jining Sanshi biotechnology Co.
Preparation example 1
The preparation method of the anti-corrosion filler comprises the following steps:
at the temperature of 22 ℃, 5kg of magnesium aluminum hydrotalcite is firstly added into 8.33kg of silver nitrate solution with the mass fraction of 60%, stirred for 3 hours, then reduced by hydrogen, and then centrifuged, dried and the like to obtain the anti-corrosion filler, wherein the magnesium aluminum hydrotalcite is purchased from the pharmaceutical chemical company of Wuhan-Han-Kung.
Preparation example 2
The preparation method of the anti-corrosion filler comprises the following steps:
at 26 ℃, 15kg of magnesium aluminum hydrotalcite is firstly added into 6.25kg of 80% silver nitrate solution by mass fraction, stirred for 2 hours, then reduced by hydrogen, and then centrifuged and dried to obtain the anti-corrosion filler, wherein the magnesium aluminum hydrotalcite is purchased from Wuhan Han Rana white pharmaceutical chemicals Co.
Preparation example 3
The preparation method of the zinc-aluminum hydrotalcite comprises the following steps:
dissolving 7.56kg of zinc nitrate and 1.8kg of aluminum nitrate in 4kg of deionized water to obtain a mixed salt solution with the mass fraction of 70%, adding 4.8kg of sodium hydroxide and 1.06kg of sodium carbonate into the mixed salt solution, stirring for 25min at the rotating speed of 30r/min, and crystallizing the obtained mixed solution in a water bath at the temperature of 65 ℃ for 6 hours to obtain zinc-aluminum hydrotalcite, wherein n (Zn 2+ )/n(Al 3+ )=2。
Preparation example 4
The preparation method of the zinc-aluminum hydrotalcite comprises the following steps:
15.12kg of zinc nitrate and 1.8kg of nitric acid are mixedDissolving aluminum in 19.23kg deionized water to obtain 80% mixed salt solution, adding 8kg sodium hydroxide and 1.06kg sodium carbonate into the mixed salt solution, stirring at 35r/min for 25min, and crystallizing the obtained mixed solution in water bath at 60deg.C for 5.5 hr to obtain zinc-aluminum hydrotalcite, wherein n (Zn) 2+ )/n(Al 3+ )=4。
Preparation example 5
The preparation method of the anti-corrosion filler comprises the following steps: the difference from preparation example 1 is that: the magnesium aluminum hydrotalcite was replaced with the zinc aluminum hydrotalcite prepared in preparation example 3.
Preparation example 6
The preparation method of the anti-corrosion filler comprises the following steps: the difference from preparation example 1 is that: the magnesium aluminum hydrotalcite was replaced with the zinc aluminum hydrotalcite prepared in preparation example 4.
Preparation example 7
The preparation method of the anti-corrosion filler comprises the following steps: the difference from preparation example 1 is that: silver nitrate was replaced with potassium nitrate, which was purchased from henna, biosciences ltd.
Preparation example 8
The preparation method of the anti-corrosion auxiliary agent comprises the following steps:
1kg of adamantane was added to 50kg of methylene chloride, then 1kg of triethylamine was added thereto, and stirring was carried out under ice bath conditions for 0.5 hours, then 10kg of resorcinol and 20kg of phosphite were added thereto, and stirring was continued for 5 hours, to obtain an anticorrosive auxiliary agent.
Preparation example 9
The preparation method of the anti-corrosion auxiliary agent comprises the following steps:
1kg of adamantane was added to 50kg of methylene chloride, and then 1kg of triethylamine was added thereto, followed by stirring under ice bath conditions for 1 hour, and then 20kg of resorcinol and 15kg of phosphite were added thereto, and stirring was continued for 3 hours, to obtain an anticorrosive auxiliary agent.
Preparation example 10
The preparation method of the anti-corrosion auxiliary agent comprises the following steps: the difference from preparation example 8 is that: resorcinol 10kg and phosphite 30kg.
PREPARATION EXAMPLE 11
The preparation method of the anti-corrosion auxiliary agent comprises the following steps: the difference from preparation example 8 is that: resorcinol 20kg and phosphite 10kg.
Preparation example 12
The preparation method of the anti-corrosion auxiliary agent comprises the following steps: the difference from preparation example 8 is that: the phosphite is replaced with a liquid amine antioxidant 505, the rest is unchanged, and the liquid amine antioxidant 505 is purchased from Nanjing Milan New Material Co.
Preparation example 13
The preparation method of the anti-corrosion auxiliary agent comprises the following steps: the difference from preparation example 8 is that: the adamantane is replaced by a maleic anhydride grafting agent, and the rest is unchanged, wherein the maleic anhydride grafting agent is purchased from Kawan engineering plastic materials limited company of Dongguan, and the brand is NF108.
PREPARATION EXAMPLE 14
The preparation method of the alumina sol comprises the following steps:
1kg of aluminum trichloride, 20kg of absolute ethanol and 2kg of acetylacetone were stirred at a rotation speed of 13r/min for 1.5 hours to obtain an alumina sol.
Preparation example 15
The preparation method of the alumina sol comprises the following steps:
3kg of aluminum trichloride, 20kg of absolute ethanol and 2kg of acetylacetone were stirred at a rotation speed of 18r/min for 1 hour to obtain an alumina sol.
PREPARATION EXAMPLE 16
The preparation method of the calcium oxide sol comprises the following steps:
1kg of calcium chloride, 20kg of absolute ethanol and 2kg of acetylacetone were stirred at a rotation speed of 13r/min for 1.5 hours to obtain a calcium oxide sol.
Example 1
A manufacturing method of a corrosion-resistant elastomer modified asphalt waterproof coiled material comprises the following steps:
(1) Mixing and heating 10kg of base oil and 38kg of petroleum asphalt to 120 ℃, and stirring until the base oil and the petroleum asphalt are completely melted to obtain an intermediate product 1;
(2) Stirring and preserving the intermediate product 1 with 4kg of elastomer modifier (SBS) and 3kg of corrosion-resistant auxiliary agent (WG corrosion-resistant rust inhibitor) for 2 hours at the rotating speed of 350r/min to obtain an intermediate product 2;
(3) After the stirring speed is reduced to 120r/min, 25kg of light calcium, 8kg of anti-corrosion filler (magnesium aluminum hydrotalcite) and 1kg of acid and alkali resistant agent (silicon titanium powder) are added into the intermediate product 2, the temperature is raised to 160 ℃, the mixture is stirred for 1 hour, and then the mixture is subjected to the processes of dipping, composite molding, curling and the like, so that the waterproof coiled material is obtained.
Example 2
A manufacturing method of a corrosion-resistant elastomer modified asphalt waterproof coiled material comprises the following steps:
(1) Mixing 15kg of base oil and 42kg of petroleum asphalt, heating to 140 ℃, and stirring until the mixture is completely melted to obtain an intermediate product 1;
(2) Stirring and preserving the intermediate product 1 with 6kg of elastomer modifier (SBS) and 5kg of corrosion-resistant auxiliary agent (WG corrosion-resistant rust inhibitor) at the rotating speed of 300r/min for 3 hours to obtain an intermediate product 2;
(3) After the stirring temperature is reduced to 150r/min, 30kg of light calcium, 10kg of anti-corrosion filler (magnesium aluminum hydrotalcite) and 3kg of anti-corrosion agent (silicon titanium powder) are added into the intermediate product 2, the temperature is raised to 150 ℃, the mixture is stirred for 2 hours, and then the mixture is subjected to the processes of dipping, composite molding, curling and the like, so that the waterproof coiled material is obtained.
Example 3
A manufacturing method of a corrosion-resistant elastomer modified asphalt waterproof coiled material comprises the following steps:
(1) 13kg of base oil and 40kg of petroleum asphalt are mixed and heated to 130 ℃, and stirred until the mixture is completely melted, thus obtaining an intermediate product 1;
(2) Stirring and preserving the intermediate product 1 with 5kg of an elastomer modifier (SBS) and 4kg of an anti-corrosion auxiliary agent (WG anti-corrosion rust inhibitor) at a rotation speed of 320r/min for 2.5 hours to obtain an intermediate product 2;
(3) After the stirring temperature is reduced to 140r/min, 28kg of light calcium, 9kg of anti-corrosion filler (magnesium aluminum hydrotalcite) and 2kg of anti-corrosion agent (silicon titanium powder) are added into the intermediate product 2, the temperature is raised to 155 ℃, the mixture is stirred for 1.5 hours, and then the mixture is subjected to the processes of dipping, composite molding, curling and the like, so that the waterproof coiled material is obtained.
Wherein the sources of materials in examples 1-3:
the WG corrosion-resistant rust inhibitor is purchased from Henan energy-collecting engineering materials Co., ltd, and the model is WG;
magnalium hydrotalcite was purchased from wuhan rana white pharmaceutical chemicals limited;
the silicon titanium powder is purchased from Tripterygium wilfordii alloy materials Co.
Example 4
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: the corrosion-resistant auxiliary in the step (2) was replaced with the corrosion-resistant auxiliary prepared in preparation example 8.
Example 5
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: the corrosion-resistant auxiliary in the step (2) was replaced with the corrosion-resistant auxiliary prepared in preparation example 9.
Example 6
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: the corrosion-resistant auxiliary in the step (2) was replaced with the corrosion-resistant auxiliary prepared in preparation example 10.
Example 7
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: the anticorrosive aid in the step (2) was replaced with the anticorrosive aid prepared in preparation example 11.
Example 8
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: the corrosion-resistant auxiliary in the step (2) was replaced with the corrosion-resistant auxiliary prepared in preparation example 12.
Example 9
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: the corrosion-resistant auxiliary in the step (2) was replaced with the corrosion-resistant auxiliary prepared in preparation example 13.
Example 10
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: the anticorrosive filler in the step (3) was replaced with the anticorrosive filler prepared in preparation example 1.
Example 11
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: the anticorrosive filler in the step (3) was replaced with the anticorrosive filler prepared in preparation example 2.
Example 12
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: the anticorrosive filler in the step (3) was replaced with the anticorrosive filler prepared in preparation example 5.
Example 13
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: the anticorrosive filler in the step (3) was replaced with the anticorrosive filler prepared in preparation example 6.
Example 14
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: the anticorrosive filler in the step (3) was replaced with the anticorrosive filler prepared in preparation example 7.
Example 15
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: and (3) replacing the silicon-titanium powder in the step (3) with quartz powder, and keeping the rest unchanged.
Example 16
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: 3kg of the alumina sol prepared in preparation example 14 was also added in step (2).
Example 17
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: in step (2) 5kg of the alumina sol prepared in preparation example 15 was also added.
Example 18
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: 3kg of the calcium oxide sol prepared in preparation example 16 was also added in step (2).
Example 19
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: the elastomer modifier in the step (2) also comprises LDHs, wherein SBS is 2kg, LDHs is 2kg, and the weight ratio of SBS to LDHs is 1:1.
Example 20
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: the elastomer modifier in the step (2) also comprises LDHs, wherein SBS is 2.67kg, LDHs is 1.33kg, and the weight ratio of SBS to LDHs is 2:1.
Example 21
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: in the step (2), 0.5kg of an aqueous epoxy resin curing agent is also added.
Example 22
A method for preparing a corrosion-resistant elastomer modified asphalt waterproof coiled material, which is different from the embodiment 1 in that: in the step (2), 0.6kg of an aqueous epoxy resin curing agent is also added.
Comparative example 1
The difference from example 1 is that: no corrosion-resistant auxiliary agent, corrosion-resistant filler and acid and alkali resistant agent are added in the preparation of the waterproof coiled material.
Comparative example 2
The difference from example 1 is that: in the preparation of the waterproof coiled material, 2kg of an anti-corrosion additive, 13kg of an anti-corrosion agent and 0.5kg of an acid and alkali resistant agent are added.
Performance test
The waterproof rolls prepared in examples 1 to 25 and comparative examples 1 and 2 were cut 100cm 2 According to GB/T23457-2017 Pre-spreadThe method described in the waterproof roll was subjected to crack resistance test, and the waterproof roll was put into a bacteria incubator according to the method described in GB/T2951.25-1994 to perform anaerobic bacteria corrosion test, and the test results are recorded in Table 1;
TABLE 1 Performance test Table for Corrosion resistant elastomer modified asphalt waterproof coiled materials
Elongation at break (%) Corrosion area (cm 2)
Example 1 200 10
Example 2 210 9.8
Example 3 205 9.9
Example 4 260 5.5
Example 5 265 5.4
Examples6 255 5.8
Example 7 258 5.7
Example 8 250 6.0
Example 9 245 6.2
Example 10 250 6.0
Example 11 252 5.9
Example 12 255 5.8
Example 13 258 5.7
Example 14 250 6.0
Example 15 220 9.0
Example 16 230 8.5
Example 17 232 8.4
Example 18 225 8.8
Example 19 238 7.8
Example 20 240 7.0
Example 21 220 9.0
Example 22 225 8.8
Comparative example 1 160 16
Comparative example 2 180 14
As can be seen from Table 1, the waterproof rolls obtained in examples 1 to 3 of the present application had an elongation at break of 200% or more per 100cm 2 Is 10cm in corrosion area 2 The waterproof coiled material prepared by the method has good corrosion resistance.
Examples 4 and 5 have larger elongation at break than example 1 and have smaller corrosion area than example 1, which shows that the special corrosion-resistant auxiliary agent is adopted in the waterproof coiled material, so that the corrosion resistance of the waterproof coiled material is enhanced.
Examples 6 and 7 have greater elongation at break than example 1 and have less corrosion area than example 1, but have less elongation at break than examples 4 and 5 and have greater corrosion area than examples 4 and 5, indicating that changing the proportions of the components in the corrosion-resistant auxiliary agent can negatively affect the corrosion resistance of the waterproof roll.
Examples 8 and 9 have greater elongation at break than example 1 and less corrosion area than example 1, but have less elongation at break than examples 4 and 5 and greater corrosion area than examples 4 and 5, indicating that changing the type of components in the corrosion-resistant auxiliary agent in the present application reduces the corrosion resistance of the waterproof roll.
Examples 10 and 11 have a larger elongation at break than example 1 and a smaller corrosion area than example 1, indicating that loading silver nitrate on the surface of hydrotalcite improves the corrosion resistance of the waterproof roll.
Examples 12 and 13 have larger elongation at break than examples 10 and 11 and have smaller corrosion areas than examples 10 and 11, which shows that the replacement of the conventional hydrotalcite with zinc-aluminum hydrotalcite enhances the corrosion resistance of the waterproof roll.
The elongation at break of example 14 was greater than that of example 1 and the corrosion area was smaller than that of example 1, but the elongation at break was greater than that of examples 12 and 13 and the corrosion area was smaller than that of examples 12 and 13, indicating that changing the loading ions on the hydrotalcite surface reduced the corrosion resistance of the waterproof roll.
The elongation at break of example 15 is greater than that of example 1 and the corrosion area is smaller than that of example 1, indicating that changing the type of the corrosion inhibitor reduces the corrosion resistance of the waterproof roll.
Examples 16 and 17 have a larger elongation at break than example 1 and a smaller corrosion area than example 1, which means that the alumina sol is added into the raw materials to form a layer of protective film, thereby further enhancing the corrosion resistance of the waterproof coiled material.
Example 18 has a greater elongation at break than example 1 and a smaller corrosion area than example 1, but example 12 has a smaller elongation at break than examples 16 and 17 and a larger corrosion area than examples 16 and 17, indicating that changing the type of oxide sol reduces the corrosion resistance of the waterproof roll.
Examples 19 and 20 have a greater elongation at break than example 1 and a smaller corrosion area than example 1, indicating that the addition of LDHs to the elastomer modifier also improves the corrosion resistance of the waterproof roll.
Examples 21 and 22 have larger elongation at break than example 1 and have smaller corrosion area than example 1, which means that the addition of the aqueous epoxy resin curing agent in the present application can improve the corrosion resistance of the waterproof roll.
The elongation at break of comparative example 1 is smaller than that of example 1, and the corrosion area is larger than that of example 1, which means that the corrosion resistance of the waterproof coiled material can be reduced without adding corrosion-resistant auxiliary agent, corrosion-resistant filler and corrosion-resistant agent to the waterproof coiled material.
Comparative example 2 has an elongation at break smaller than that of example 1 and a corrosion area larger than that of example 1, but has an elongation at break larger than that of comparative example 1 and a corrosion area smaller than that of comparative example 1, indicating that the addition ratio of the corrosion-resistant auxiliary agent, the corrosion-resistant filler and the corrosion-resistant agent is changed to lower the corrosion resistance of the waterproof roll.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.

Claims (5)

1. The utility model provides a corrosion-resistant elastomer modification pitch waterproofing membrane which characterized in that: the raw materials comprise the following components in parts by weight:
38-42 parts of petroleum asphalt;
4-6 parts by weight of an elastomer modifier;
10-15 parts of base oil;
25-30 parts of light calcium carbonate;
3-5 parts of an anti-corrosion auxiliary agent;
8-10 parts of anti-corrosion filler;
1-3 parts of acid-base resistant agent;
the anti-corrosion auxiliary agent is prepared by the following method: adding adamantane and triethylamine into dichloromethane, stirring for 0.5-1 hour under ice bath condition, then adding resorcinol and phosphite ester, and continuing stirring for 3-5 hours to obtain an anti-corrosion auxiliary agent, wherein the weight ratio of adamantane, dichloromethane, triethylamine, resorcinol and phosphite ester is 1:50:1: (10-20): (15-20);
the anti-corrosion filler is prepared by the following method: at the temperature of 22-26 ℃, firstly adding hydrotalcite into a silver nitrate solution with the mass fraction of 60-80%, stirring for 2-3 hours, then reducing by hydrogen, and then centrifuging and drying to obtain an anti-corrosion filler, wherein the weight ratio of the hydrotalcite to the silver nitrate is (1-3): 1, a step of;
the acid and alkali resistant agent adopts quartz powder;
the elastomer modifier comprises the following components in percentage by weight (1-2): SBS and LDHs of 1.
2. The corrosion-resistant elastomer-modified asphalt waterproof roll according to claim 1, wherein: the hydrotalcite adopts zinc-aluminum hydrotalcite; the zinc-aluminum hydrotalcite is prepared by the following method: dissolving zinc nitrate and aluminum nitrate in water to obtain 70-80% mixed salt solution, adding sodium hydroxide and sodium carbonate into the mixed salt solution, stirring at 30-40r/min for 25-35min, crystallizing the obtained mixed solution in water bath at 55-65deg.C for 5.5-6 hr, and drying to obtain the final productZinc aluminium hydrotalcite wherein n (NaOH) =2 [ n (Zn) 2+ )+n(Al 3+ )],n(CO 3 2- )=0.5n(Al 3+ ),n(Zn 2+ )/n(Al 3+ )=2~4。
3. The corrosion-resistant elastomer-modified asphalt waterproof roll according to claim 1, wherein: the raw materials also comprise 3-5 parts by weight of alumina sol; the alumina sol is prepared by the following method: stirring aluminum trichloride, absolute ethyl alcohol and acetylacetone for 1-1.5 hours at the rotating speed of 13-18r/min to obtain alumina sol, wherein the weight ratio of the aluminum trichloride to the absolute ethyl alcohol to the acetylacetone is (1-3): 20:2.
4. The corrosion-resistant elastomer-modified asphalt waterproof roll according to claim 1, wherein: the raw materials also comprise 0.5-0.6 weight parts of aqueous epoxy resin curing agent.
5. The method for manufacturing the corrosion-resistant elastomer-modified asphalt waterproof coiled material according to any one of claims 1 to 4, which is characterized in that:
(1) Mixing and heating base oil and petroleum asphalt to 120-140 ℃, and stirring until the base oil and petroleum asphalt are completely melted to obtain an intermediate product 1;
(2) Stirring and preserving the intermediate product 1 and all components except light calcium, anti-corrosion filler and anti-corrosion agent for 2-3 hours at the rotating speed of 300-350r/min to obtain an intermediate product 2;
(3) And (3) reducing the stirring speed to 120-150r/min, adding light calcium carbonate, an anti-corrosion filler and an anti-corrosion agent into the intermediate product 2, heating to 150-160 ℃, stirring for 1-2 hours to obtain a mixed material, and then carrying out the processes of dipping, composite forming, curling and the like on the mixed material to obtain the waterproof coiled material.
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CN108250996A (en) * 2017-12-18 2018-07-06 吉林省豫王建能实业股份有限公司 A kind of salt tolerant alkaline stereo multi-colour decorative waterproof water coiled material and its preparation method and application
CN112592694A (en) * 2021-03-02 2021-04-02 华丰防水材料股份有限公司 Acid and alkali resistant elastomer modified asphalt waterproof coiled material and preparation method thereof

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