CN114605847A - Water-swelling enhanced modified asphalt waterproof coiled material and preparation method thereof - Google Patents
Water-swelling enhanced modified asphalt waterproof coiled material and preparation method thereof Download PDFInfo
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- CN114605847A CN114605847A CN202210444161.4A CN202210444161A CN114605847A CN 114605847 A CN114605847 A CN 114605847A CN 202210444161 A CN202210444161 A CN 202210444161A CN 114605847 A CN114605847 A CN 114605847A
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- 239000000463 material Substances 0.000 title claims abstract description 51
- 239000010426 asphalt Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title abstract description 13
- 229920001971 elastomer Polymers 0.000 claims abstract description 36
- 239000005060 rubber Substances 0.000 claims abstract description 36
- 239000000945 filler Substances 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims description 24
- 239000011347 resin Substances 0.000 claims description 24
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 claims description 20
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 20
- 239000006229 carbon black Substances 0.000 claims description 20
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 15
- 239000002250 absorbent Substances 0.000 claims description 14
- 239000002202 Polyethylene glycol Substances 0.000 claims description 13
- 235000021355 Stearic acid Nutrition 0.000 claims description 13
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 13
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 13
- 229920001223 polyethylene glycol Polymers 0.000 claims description 13
- 239000008117 stearic acid Substances 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 230000003712 anti-aging effect Effects 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 229910021389 graphene Inorganic materials 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 10
- 239000003921 oil Substances 0.000 claims description 10
- 229910052717 sulfur Inorganic materials 0.000 claims description 10
- 239000011593 sulfur Substances 0.000 claims description 10
- 239000011787 zinc oxide Substances 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 239000004902 Softening Agent Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 239000010692 aromatic oil Substances 0.000 claims description 3
- 239000002199 base oil Substances 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 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 description 3
- 239000010881 fly ash Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229940057838 polyethylene glycol 4000 Drugs 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims 4
- 238000004078 waterproofing Methods 0.000 claims 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 239000003607 modifier Substances 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 239000002998 adhesive polymer Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004073 vulcanization 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the technical field of waterproof coiled materials, and particularly relates to a water-swelling reinforced modified asphalt waterproof coiled material and a preparation method thereof, wherein the water-swelling reinforced modified asphalt waterproof coiled material is prepared from the following raw materials: 150-170 parts of asphalt, 30-35 parts of softening oil, 4-5 parts of SBS, 15-20 parts of water-swellable rubber, 10-20 parts of rubber powder and 20-30 parts of filler; the invention adopts the novel water-swellable rubber as the modifier, can modify the asphalt and simultaneously enhance the water absorption, further expands and achieves the effect of plugging.
Description
Technical Field
The invention belongs to the technical field of waterproof coiled materials, and particularly relates to a water-swelling reinforced modified asphalt waterproof coiled material and a preparation method thereof.
Background
The coiled materials sold on the market at present mainly comprise SBS modified asphalt waterproof coiled materials and self-adhesive polymer modified asphalt waterproof coiled materials, and because the asphalt is solid at normal temperature, the leakage parts are difficult to be completely filled when leakage occurs in waterproof engineering, so that the hidden danger of water leakage is caused.
Disclosure of Invention
The invention aims to provide a water-swelling enhanced modified asphalt waterproof coiled material and a preparation method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that:
a water-swelling enhanced modified asphalt waterproof coiled material is prepared from the following raw materials: 150-170 parts of asphalt, 30-35 parts of softening oil, 4-5 parts of SBS, 15-20 parts of water-swellable rubber, 10-20 parts of rubber powder and 20-30 parts of filler.
Further, the water-swellable rubber is prepared from the following raw materials: 100-120 parts of styrene butadiene rubber, 3-4 parts of nano zinc oxide, 1-2 parts of graphene oxide, 1-2 parts of stearic acid, 2-4 parts of coumarone resin, 2-4 parts of an anti-aging agent, 6-8 parts of polyethylene glycol, 60-70 parts of water-absorbent resin, 50-60 parts of white carbon black, 20-25 parts of carbon black, 1-2 parts of sulfur, 0.5-1 part of DM and 0.1-0.5 part of DM promoter.
Further, the rubber content of the styrene butadiene rubber is not lower than 50%, the stearic acid is one or more of 1801,1842, the anti-aging agent is an anti-aging agent 4010, the polyethylene glycol is polyethylene glycol 4000, the water-absorbent resin is SAR, and the asphalt is one of 70# heavy traffic asphalt and 90# heavy traffic asphalt; the softening agent is at least one of base oil, aromatic oil and naphthenic oil; the SBS is one or more of 6302, 501S and 4402-1E; the rubber powder contains not less than 45% of rubber, and is 40-60 meshes; the filler is one of talcum powder, fly ash and light calcium.
A preparation method of a water-swelling enhanced modified asphalt waterproof coiled material comprises the following steps:
1) adding styrene butadiene rubber, coumarone resin, polyethylene glycol and water-absorbent resin into a double-roller open mill, plasticating at 160 ℃, then sequentially adding nano zinc oxide, stearic acid and graphene oxide, plasticating at 170 ℃ for 5min, then adding sulfur, DM and DM promoter, plasticating at 140 ℃ for 10min, finally adding carbon black and white carbon black for reinforcement, and cooling for later use, wherein the material is marked as material A;
2) adding asphalt and a softening agent into a reaction kettle, heating to 150 ℃, adding the material A, stirring and dispersing for 40-60 min, then heating to 185 ℃, adding SBS, stirring for 1-2 h, adding rubber powder to fully swell after completely dissolving, finally adding a filler, and stirring uniformly to produce;
3) and (3) uniformly spraying the material B on the surface of the coiled material by using glue spraying equipment, and covering an isolating film on the material B.
Further, the spraying thickness of the material B in the step 3) is 0.2 +/-0.05 mm, and the material B needs to be rolled back when being rolled. The invention has the advantages that: the Styrene Butadiene Rubber (SBR) which is an asphalt modifier is endowed with water-absorbing expansibility through co-vulcanization, and then asphalt is modified, so that the prepared waterproof coiled material is contacted with water when seepage occurs, the waterproof coiled material can rapidly absorb water and expand, and the modified asphalt material is brought into a seepage crack, thereby achieving the purposes of preventing water and stopping leakage.
Detailed Description
Examples
A water-swelling enhanced modified asphalt waterproof coiled material is prepared from the following raw materials: 150-170 parts of asphalt, 30-35 parts of softening oil, 4-5 parts of SBS, 15-20 parts of water-swellable rubber, 10-20 parts of rubber powder and 20-30 parts of filler; the water-swelling rubber is prepared from the following raw materials: 100-120 parts of styrene butadiene rubber, 3-4 parts of nano zinc oxide, 1-2 parts of graphene oxide, 1-2 parts of stearic acid, 2-4 parts of coumarone resin, 2-4 parts of an anti-aging agent, 6-8 parts of polyethylene glycol, 60-70 parts of water-absorbent resin, 50-60 parts of white carbon black, 20-25 parts of carbon black, 1-2 parts of sulfur, 0.5-1 part of DM and 0.1-0.5 part of DM promoter. The styrene butadiene rubber contains rubber not less than 50%, the stearic acid is 1801,1842, the anti-aging agent is 4010, the polyethylene glycol is polyethylene glycol 4000, the water-absorbent resin is SAR, and the asphalt is 70# heavy-traffic asphalt or 90# heavy-traffic asphalt; the softening agent is at least one of base oil, aromatic oil and naphthenic oil; the SBS is one or more of 6302, 501S and 4402-1E; the rubber powder contains not less than 45% of rubber, and is 40-60 meshes; the filler is one of talcum powder, fly ash and light calcium.
A preparation method of a water-swelling enhanced modified asphalt waterproof coiled material comprises the following steps:
1) adding styrene butadiene rubber, coumarone resin, polyethylene glycol and water-absorbent resin into a double-roller open mill, plasticating at 160 ℃, then sequentially adding nano zinc oxide, stearic acid and graphene oxide, plasticating at 170 ℃ for 5min, then adding sulfur, DM and DM promoter, plasticating at 140 ℃ for 10min, finally adding carbon black and white carbon black for reinforcement, and cooling for later use, wherein the material is marked as material A;
2) adding asphalt and a softening agent into a reaction kettle, heating to 150 ℃, adding the material A, stirring and dispersing for 40-60 min, then heating to 185 ℃, adding SBS, stirring for 1-2 h, adding rubber powder to fully swell after completely dissolving, finally adding a filler, and stirring uniformly to produce;
3) uniformly spraying the material B on the surface of the coiled material by glue spraying equipment, covering an isolating film on the material B, wherein the spraying thickness of the material B is 0.2 +/-0.05 mm, and rewinding is required during rolling.
Application example
Preparation of water-swellable rubber: 100 parts of styrene butadiene rubber, 3 parts of nano zinc oxide, 2 parts of graphene oxide, 1 part of stearic acid, 3 parts of coumarone resin, 2 parts of an anti-aging agent, 6 parts of polyethylene glycol, 70 parts of water-absorbent resin, 50 parts of white carbon black, 20 parts of carbon black, 1 part of sulfur, 0.5 part of DM and 0.3 part of DM promoter. Preparing the modified asphalt waterproof coiled material: 170 parts of asphalt, 30 parts of softening oil, 4 parts of SBS, 15 parts of water-swelling rubber, 10 parts of rubber powder and 25 parts of filler, and the water-swelling enhanced modified asphalt waterproof coiled material is prepared according to the preparation method of the embodiment.
Comparative example 1
Preparation of water-swellable rubber: 0 part of styrene butadiene rubber, 3 parts of nano zinc oxide, 2 parts of graphene oxide, 1 part of stearic acid, 3 parts of coumarone resin, 2 parts of an anti-aging agent, 6 parts of polyethylene glycol, 70 parts of water-absorbent resin, 50 parts of white carbon black, 20 parts of carbon black, 1 part of sulfur, 0.5 part of DM and 0.3 part of DM promoter. Preparing the modified asphalt waterproof coiled material: 170 parts of asphalt, 30 parts of softening oil, 4 parts of SBS, 15 parts of water-swelling rubber, 10 parts of rubber powder and 25 parts of filler.
The mixture ratio is basically the same as that of application example 1, except that the addition amount of the styrene-butadiene rubber is reduced from 100 parts to 0 part.
Comparative example 2
Preparation of water-swellable rubber: 100 parts of styrene butadiene rubber, 3 parts of nano zinc oxide, 2 parts of graphene oxide, 1 part of stearic acid, 3 parts of coumarone resin, 2 parts of an anti-aging agent, 6 parts of polyethylene glycol, 0 part of water-absorbent resin, 50 parts of white carbon black, 20 parts of carbon black, 1 part of sulfur, 0.5 part of DM and 0.3 part of DM promoter. Preparing the modified asphalt waterproof coiled material: 170 parts of asphalt, 30 parts of softening oil, 4 parts of SBS, 15 parts of water-swelling rubber, 10 parts of rubber powder and 25 parts of filler.
The mixture ratio is basically the same as that of application example 1, except that the addition amount of the water-absorbent resin is reduced from 70 parts to 0 part.
Comparative example 3
Preparation of water-swellable rubber: 100 parts of styrene butadiene rubber, 3 parts of nano zinc oxide, 0 part of graphene oxide, 1 part of stearic acid, 3 parts of coumarone resin, 2 parts of an anti-aging agent, 6 parts of polyethylene glycol, 70 parts of water-absorbent resin, 50 parts of white carbon black, 20 parts of carbon black, 1 part of sulfur, 0.5 part of DM and 0.3 part of DM promoter. Preparing the modified asphalt waterproof coiled material: 170 parts of asphalt, 30 parts of softening oil, 4 parts of SBS, 15 parts of water-swelling rubber, 10 parts of rubber powder and 25 parts of filler.
The preparation ratio is basically the same as that of application example 1, except that the addition amount of the graphene oxide is reduced from 2 parts to 0 part.
Performance testing
Detecting items: and respectively detecting the peeling strength performance and the water absorption performance of the prepared coiled material. The method comprises the following steps of putting the coiled material to be tested into a beaker of deionized water for water absorption test, and respectively carrying out 1h, 6h, 12h and 24h tests, wherein the peel strength performance is tested according to a detection method for the peel performance of the coiled material and the coiled material in GB 23441-2009, and the water absorption performance is represented by testing the water absorption multiplying power, wherein the test termination condition is that the measurement is stopped until the mass of a test piece is not changed or reduced to some extent, and the calculation is carried out according to the water absorption mass expansion rate: sW=（W2-W1）/W1100% of the total weight; wherein W1Denotes mass before water absorption, W2The mass after water absorption is shown.
The test results are shown in the following table:
Claims (5)
1. the water-swelling enhanced modified asphalt waterproof coiled material is characterized by being prepared from the following raw materials: 150-170 parts of asphalt, 30-35 parts of softening oil, 4-5 parts of SBS, 15-20 parts of water-swellable rubber, 10-20 parts of rubber powder and 20-30 parts of filler.
2. The water-swellable reinforced modified asphalt waterproofing membrane according to claim 1, wherein: the water-swelling rubber is prepared from the following raw materials: 100-120 parts of styrene butadiene rubber, 3-4 parts of nano zinc oxide, 1-2 parts of graphene oxide, 1-2 parts of stearic acid, 2-4 parts of coumarone resin, 2-4 parts of an anti-aging agent, 6-8 parts of polyethylene glycol, 60-70 parts of water-absorbent resin, 50-60 parts of white carbon black, 20-25 parts of carbon black, 1-2 parts of sulfur, 0.5-1 part of DM and 0.1-0.5 part of DM promoter.
3. The water-swellable reinforced modified asphalt waterproofing membrane as recited in claim 2, wherein: the styrene butadiene rubber contains rubber not less than 50%, the stearic acid is 1801,1842, the anti-aging agent is 4010, the polyethylene glycol is polyethylene glycol 4000, the water-absorbent resin is SAR, and the asphalt is 70# heavy-traffic asphalt or 90# heavy-traffic asphalt; the softening agent is at least one of base oil, aromatic oil and naphthenic oil; the SBS is one or more of 6302, 501S and 4402-1E; the rubber powder contains not less than 45% of rubber, and is 40-60 meshes; the filler is one of talcum powder, fly ash and light calcium.
4. The method for preparing the water-swellable reinforced modified asphalt waterproofing membrane as claimed in any one of claims 1 to 3, comprising the steps of:
1) adding styrene butadiene rubber, coumarone resin, polyethylene glycol and water-absorbent resin into a double-roller open mill, plasticating at 160 ℃, then sequentially adding nano zinc oxide, stearic acid and graphene oxide, plasticating at 170 ℃ for 5min, then adding sulfur, DM and DM promoter, plasticating at 140 ℃ for 10min, finally adding carbon black and white carbon black for reinforcement, and cooling for later use, wherein the material is marked as material A;
2) adding asphalt and a softening agent into a reaction kettle, heating to 150 ℃, adding the material A, stirring and dispersing for 40-60 min, then heating to 185 ℃, adding SBS, stirring for 1-2 h, adding rubber powder to fully swell after completely dissolving, finally adding a filler, and stirring uniformly to produce;
3) and (3) uniformly spraying the material B on the surface of the coiled material by using glue spraying equipment, and covering an isolating film on the material B.
5. The method for preparing water-swellable reinforced modified asphalt waterproofing membrane as claimed in claim 4, wherein: the spraying thickness of the material B in the step 3) is 0.2 +/-0.05 mm, and the material B needs to be reversely rolled during rolling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210444161.4A CN114605847A (en) | 2022-04-26 | 2022-04-26 | Water-swelling enhanced modified asphalt waterproof coiled material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210444161.4A CN114605847A (en) | 2022-04-26 | 2022-04-26 | Water-swelling enhanced modified asphalt waterproof coiled material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114605847A true CN114605847A (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210444161.4A Pending CN114605847A (en) | 2022-04-26 | 2022-04-26 | Water-swelling enhanced modified asphalt waterproof coiled material and preparation method thereof |
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| Country | Link |
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| CN (1) | CN114605847A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103642392A (en) * | 2013-11-25 | 2014-03-19 | 唐山德生防水股份有限公司 | Water swelling type waterproof paint made of non-curing rubber asphalt and preparation method thereof |
| CN105419364A (en) * | 2016-01-05 | 2016-03-23 | 四川杨氏达防水材料有限公司 | Preparation method and application of SBS/rubber compound modification asphalt |
| CN107082592A (en) * | 2017-05-19 | 2017-08-22 | 同济大学 | Carboxy-modified graphene oxide modified rubber asphalt mixture and preparation method thereof |
| CN110627394A (en) * | 2019-10-29 | 2019-12-31 | 重庆中防德邦防水技术有限公司 | Self-healing waterproof filler capable of expanding in water and preparation method thereof |
| CN111410779A (en) * | 2019-01-07 | 2020-07-14 | 北京化工大学 | Preparation method of graphene oxide enhanced water-swelling rubber and water-swelling rubber |
| CN114106424A (en) * | 2021-11-26 | 2022-03-01 | 浙江天铁实业股份有限公司 | Rubber with high water-absorption expansion rate and water-swelling property and preparation method thereof |
-
2022
- 2022-04-26 CN CN202210444161.4A patent/CN114605847A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103642392A (en) * | 2013-11-25 | 2014-03-19 | 唐山德生防水股份有限公司 | Water swelling type waterproof paint made of non-curing rubber asphalt and preparation method thereof |
| CN105419364A (en) * | 2016-01-05 | 2016-03-23 | 四川杨氏达防水材料有限公司 | Preparation method and application of SBS/rubber compound modification asphalt |
| CN107082592A (en) * | 2017-05-19 | 2017-08-22 | 同济大学 | Carboxy-modified graphene oxide modified rubber asphalt mixture and preparation method thereof |
| CN111410779A (en) * | 2019-01-07 | 2020-07-14 | 北京化工大学 | Preparation method of graphene oxide enhanced water-swelling rubber and water-swelling rubber |
| CN110627394A (en) * | 2019-10-29 | 2019-12-31 | 重庆中防德邦防水技术有限公司 | Self-healing waterproof filler capable of expanding in water and preparation method thereof |
| CN114106424A (en) * | 2021-11-26 | 2022-03-01 | 浙江天铁实业股份有限公司 | Rubber with high water-absorption expansion rate and water-swelling property and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李水平等: "SBS改性沥青基吸水膨胀防水材料的研制", 《石油大学学报（自然科学版）》 * |
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Application publication date: 20220610 |