CN113444470A - Self-adhesive waterproof coiled material - Google Patents
Self-adhesive waterproof coiled material Download PDFInfo
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- CN113444470A CN113444470A CN202110807906.4A CN202110807906A CN113444470A CN 113444470 A CN113444470 A CN 113444470A CN 202110807906 A CN202110807906 A CN 202110807906A CN 113444470 A CN113444470 A CN 113444470A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J195/00—Adhesives based on bituminous materials, e.g. asphalt, tar, pitch
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/10—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/346—Applications of adhesives in processes or use of adhesives in the form of films or foils for building applications e.g. wrap foil
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2495/00—Presence of bitume
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- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a self-adhesive waterproof coiled material which comprises the following raw materials in parts by weight: 50-60 parts of matrix asphalt, 10-12 parts of Buton rock asphalt, 6-7 parts of modifier, 8-10 parts of polypropylene, 6-8 parts of naphthenic oil, 30-35 parts of tire base material and 20-28 parts of hydrophobic membrane, and belongs to the technical field of high polymer materials. Set up one deck hydrophobic membrane through the upper surface at modified asphalt, the carbon particles of nanoscale and the graphite alkene wafer of microscale have constituteed micron-nanometer coarse structure jointly in the hydrophobic membrane, the hydrophobicity of hydrophobic membrane has further been promoted, in addition under the unchangeable condition of surface energy, through the roughness of the surface that increases hydrophobic membrane, the water contact angle of hydrophobic membrane can increase, and then make hydrophobic membrane have higher hydrophobicity, after using hydrophobic membrane in self-adhesion waterproofing membrane material, can play further promotion to the hydrophobicity of waterproofing membrane material, thereby make the application scope of waterproofing membrane material obtain enlarging.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a self-adhesive waterproof coiled material.
Background
The self-adhesive waterproof coiled material is a waterproof material which is prepared by taking self-adhesive rubber asphalt prepared from synthetic rubber such as SBS and the like, tackifier, high-quality road petroleum asphalt and the like as a base material, taking a tough high-density polyethylene film or aluminum foil as an upper surface material and taking a strippable silicon-coated isolating film or silicon-coated isolating paper as a lower surface anti-sticking isolating material.
When the self-adhesive waterproof coiled material sold in the market is applied, the application of the material in roof or underground waterproof engineering with higher waterproof requirements is limited due to the poor hydrophobicity of the material, and a large amount of talcum powder is required to be used as a filler in the production and preparation process of the self-adhesive waterproof coiled material, so that the production cost of the coiled material is higher.
Disclosure of Invention
Technical scheme (I)
In order to achieve the purpose, the invention is realized by the following technical scheme: a self-adhesive waterproof coiled material comprises the following raw materials in parts by weight: 50-60 parts of matrix asphalt, 10-12 parts of Buton rock asphalt, 6-7 parts of modifier, 8-10 parts of polypropylene, 6-8 parts of naphthenic oil, 30-35 parts of tire base material and 20-28 parts of hydrophobic membrane;
wherein the hydrophobic membrane is prepared by the following steps:
step one, weighing concentrated sulfuric acid and expanded graphite, adding the concentrated sulfuric acid and the expanded graphite into a flask, placing the flask in an ice water bath, stirring the interior of the flask for 15-20min under the conditions that the temperature is 0-2 ℃ and the rotating speed is 240-300r/min, adding sodium nitrate, stirring for 10-15min under the same conditions, adding potassium permanganate particles, and stirring for 25-30min under the same conditions to obtain a mixture 1;
step two, transferring the flask into an oil bath pot, stirring the mixture 1 for 1-2h under the conditions that the temperature is 32-38 ℃ and the rotating speed is 260-320r/min, standing for 12h, adding water at 40 ℃, continuing to stir for 20-30min, raising the temperature of the oil bath pot to 98 ℃, reacting for 15-20min, adding water at 40 ℃, stirring for 15-20min, adding a hydrogen peroxide solution, and stirring for 5-10min to obtain a mixture 2;
step three, performing vacuum filtration on the mixture 2, adding hydrochloric acid with the mass fraction of 5% for cleaning for multiple times, drying the mixture 2, adding the dried mixture into an ethanol solution with the mass fraction of 25%, performing ultrasonic dispersion under the condition of 15-20kHz, then placing the mixture into a centrifugal machine, performing centrifugal treatment for 30min under the condition of the rotating speed of 8000r/min, removing upper-layer liquid, drying lower-layer substances, adding the dried lower-layer substances into the ethanol solution with the mass fraction of 25%, and performing ultrasonic dispersion under the condition of 15-20kHz to obtain a mixture 3;
and step four, spraying the mixture 3 on a membrane forming plate at an interval period of 5s, controlling the temperature of the membrane forming plate to be 25 ℃, standing the membrane forming plate for 3min after the mixture 3 is sprayed, then heating the membrane forming plate to 50 ℃, standing the membrane forming plate for 5min to obtain a formed hydrophobic membrane, reducing the formed hydrophobic membrane by hydrazine hydrate, then putting the formed hydrophobic membrane into an oven, drying the formed hydrophobic membrane for 1.5-2h at the temperature of 150 ℃, and finally treating the surface of the formed hydrophobic membrane for multiple times by using candle flame to obtain the hydrophobic membrane.
Preferably, the hydrazine hydrate is used for reducing the formed hydrophobic membrane by putting the hydrazine hydrate and the formed hydrophobic membrane into a hydrothermal reaction kettle, heating the hydrothermal reaction kettle to 95 ℃, and reducing the formed hydrophobic membrane by using hydrazine hydrate steam.
Preferably, in the step one, the dosage ratio of the concentrated sulfuric acid, the expanded graphite, the sodium nitrate and the potassium permanganate is 90-92 mL: 4 g: 2 g: 10-12g of concentrated sulfuric acid, wherein the mass fraction of the concentrated sulfuric acid is 98%.
Preferably, in the second step, the ratio of the mixture 1 to the water added twice is 105 mL: 180 mL: 280mL, the volume ratio of the hydrogen peroxide solution to the mixture 1 is 1:5, and the mass fraction of the hydrogen peroxide solution is 30%.
Preferably, in the third step, the ratio of the mixture 2 to the ethanol solution added twice is 85 mL: 100mL of: 200 mL.
Preferably, in the fourth step, the ratio of the mixture 3 to the hydrazine hydrate is 100 mL: 0.5mL, the flame of the candle does uniform left-right reciprocating motion at a position 1-2cm away from the surface of the hydrophobic membrane.
Preferably, the self-adhesive waterproof coiled material is prepared by the following steps:
firstly, heating the matrix asphalt to 135 ℃ of 130-;
and secondly, coating the modified asphalt on the surface of the base material, flatly laying a hydrophobic membrane on the upper surface of the modified asphalt, and naturally cooling at normal temperature to obtain the self-adhesive waterproof coiled material.
Preferably, the modifier is SBS modifier, and the base material is one of glass fiber cloth and polyester non-woven cloth.
Preferably, the upper and lower surfaces of the modified asphalt are coated with high pressure polyethylene blown wax, wherein the thickness of the high pressure polyethylene blown wax is 0.012-0.022 mm.
Preferably, the modified asphalt has a softening point of greater than 105 ℃ and an elastic recovery of greater than 85%.
(II) advantageous effects
The utility model provides a self-adhesion waterproofing membrane material, compares with prior art and possesses following beneficial effect:
(1) a layer of hydrophobic membrane is arranged on the upper surface of modified asphalt, wherein the hydrophobic membrane is prepared by taking expanded graphite as a raw material, the expanded graphite is subjected to low-temperature oxidation and medium-temperature and high-temperature reaction treatment to obtain graphene oxide dispersion liquid, then the graphene oxide dispersion liquid is prepared into a formed hydrophobic membrane in a spraying mode, hydrazine hydrate is used for reducing the formed hydrophobic membrane, and finally the surface of the formed hydrophobic membrane is modified to form black granular substances on the surface of the hydrophobic membrane, so that the roughness of the surface of the hydrophobic membrane is increased, carbon particles are deposited on the surface of the modified hydrophobic membrane and are uniformly and compactly distributed on a graphene wafer, and the nano-scale carbon particles and the micro-scale graphene wafer jointly form a micro-nano coarse structure while the roughness of the surface of the hydrophobic membrane is increased, because carbon particles and graphene all have the hydrophobicity, therefore the micron-nanometer coarse structure has further promoted the hydrophobicity of hydrophobic membrane, in addition under the unchangeable condition of surface energy, through increasing the surface roughness of hydrophobic membrane, the water contact angle of hydrophobic membrane can increase, and then makes hydrophobic membrane have higher hydrophobicity, after using hydrophobic membrane in the self-adhesion waterproofing membrane material, can play further promotion to the hydrophobicity of waterproofing membrane material to make the application scope of waterproofing membrane material obtain expanding.
(2) The asphalt raw material through to the waterproofing membrane material carries out modification treatment, use matrix asphalt and bunton rock asphalt to blend and use, adopt the SBS modifier to carry out modification treatment to mixed asphalt simultaneously, obtain modified asphalt, contain a large amount of mineral salts in the bunton rock asphalt, can evenly distributed in the matrix asphalt, mineral substance top layer in the bunton rock asphalt is rich in active substance simultaneously, can promote the ability of adsorbing matrix asphalt ion, and then promote the adhesion of pitch by a wide margin, thereby make waterproofing membrane's self-adhesion performance obtain promoting, in addition through the mixed modification treatment who adopts bunton rock asphalt and SBS modifier, compare in current adoption talcum powder as the filler, on the one hand each item performance of pitch has been improved, on the other hand has reduced the manufacturing cost of pitch, thereby make the manufacturing cost reduction of waterproofing membrane material.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the hydrophobic membrane is prepared by the following steps:
step one, weighing 92mL of concentrated sulfuric acid and 4g of expanded graphite, adding the concentrated sulfuric acid and the expanded graphite into a flask, placing the flask in an ice-water bath, stirring the interior of the flask for 20min at the temperature of 2 ℃ and the rotation speed of 300r/min, adding 2g of sodium nitrate, stirring for 15min under the same condition, adding 12g of potassium permanganate particles, and stirring for 30min under the same condition to obtain a mixture 1;
step two, transferring the flask into an oil bath, stirring the mixture 1 for 2 hours at the temperature of 38 ℃ and the rotating speed of 20r/min, standing for 12 hours, adding 180mL of water at the temperature of 40 ℃, continuing stirring for 30 minutes, raising the temperature of the oil bath to 98 ℃, reacting for 20 minutes, adding 280mL of water at the temperature of 40 ℃, stirring for 20 minutes, adding 20mL of hydrogen peroxide solution, and stirring for 10 minutes to obtain a mixture 2;
step three, carrying out vacuum filtration on the mixture 2, adding hydrochloric acid with the mass fraction of 5% for washing for multiple times, drying the mixture 2, adding the dried mixture into 100mL of ethanol solution with the mass fraction of 25%, carrying out ultrasonic dispersion under the condition of 20kHz, then putting the mixture into a centrifuge, carrying out centrifugal treatment for 30min under the condition that the rotating speed is 8000r/min, removing upper-layer liquid, drying lower-layer substances, adding the dried lower-layer substances into 200mL of ethanol solution with the mass fraction of 25%, and carrying out ultrasonic dispersion under the condition of 20kHz to obtain a mixture 3;
and step four, spraying the mixture 3 on a membrane forming plate at an interval period of 5s, controlling the temperature of the membrane forming plate to be 25 ℃, standing the membrane forming plate for 3min after the mixture 3 is sprayed, then heating the membrane forming plate to 50 ℃, standing the membrane forming plate for 5min to obtain a formed hydrophobic membrane, reducing the formed hydrophobic membrane by using 0.5mL hydrazine hydrate, then putting the formed hydrophobic membrane into an oven, drying for 2h at the temperature of 150 ℃, and finally treating the surface of the formed hydrophobic membrane for multiple times by using candle flame to obtain the hydrophobic membrane.
Example 2:
the hydrophobic membrane is prepared by the following steps:
step one, weighing 90mL of concentrated sulfuric acid and 4g of expanded graphite, adding the concentrated sulfuric acid and the expanded graphite into a flask, placing the flask in an ice-water bath, stirring the interior of the flask for 15min at the temperature of 0 ℃ and the rotation speed of 240r/min, adding 2g of sodium nitrate, stirring for 10min under the same condition, adding 10g of potassium permanganate particles, and stirring for 25min under the same condition to obtain a mixture 1;
step two, transferring the flask into an oil bath, stirring the mixture 1 for 1h at the temperature of 32 ℃ and the rotating speed of 260r/min, standing for 12h, adding 160mL of water at the temperature of 40 ℃, continuing to stir for 20min, raising the temperature of the oil bath to 98 ℃, reacting for 15min, adding 260mL of water at the temperature of 40 ℃, stirring for 15min, adding 20mL of hydrogen peroxide solution, and stirring for 5min to obtain a mixture 2;
step three, carrying out vacuum filtration on the mixture 2, adding hydrochloric acid with the mass fraction of 5% for washing for multiple times, drying the mixture 2, adding the dried mixture into 900mL of ethanol solution with the mass fraction of 25%, carrying out ultrasonic dispersion under the condition of 15kHz, then putting the mixture into a centrifuge, carrying out centrifugal treatment for 30min under the condition that the rotating speed is 8000r/min, removing upper-layer liquid, drying lower-layer substances, adding the dried lower-layer substances into 180mL of ethanol solution with the mass fraction of 25%, and carrying out ultrasonic dispersion under the condition of 15kHz to obtain a mixture 3;
and step four, spraying the mixture 3 on a membrane forming plate at an interval period of 5s, controlling the temperature of the membrane forming plate to be 25 ℃, standing the membrane forming plate for 3min after the mixture 3 is sprayed, then heating the membrane forming plate to 50 ℃, standing the membrane forming plate for 5min to obtain a formed hydrophobic membrane, reducing the formed hydrophobic membrane by using 0.4mL hydrazine hydrate, then putting the formed hydrophobic membrane into an oven, drying for 1.5h at the temperature of 150 ℃, and finally treating the surface of the formed hydrophobic membrane for multiple times by using candle flame to obtain the hydrophobic membrane.
Example 3:
the self-adhesive waterproof coiled material is prepared by the following steps:
firstly, heating matrix asphalt to 130 ℃, adding Buton rock asphalt, stirring and mixing for 25min, adding a modifier, heating to 185 ℃, stirring for 1.5h at the rotation speed of 300r/min, adding naphthenic oil and polypropylene, and stirring uniformly to obtain modified asphalt;
and secondly, coating the modified asphalt on the surface of the base material, flatly paving the hydrophobic membrane prepared in the embodiment 1 on the upper surface of the modified asphalt, and naturally cooling at normal temperature to obtain the self-adhesive waterproof coiled material.
Example 4:
the self-adhesive waterproof coiled material is prepared by the following steps:
firstly, heating matrix asphalt to 135 ℃, adding Buton rock asphalt, stirring and mixing for 30min, adding a modifier, heating to 190 ℃, stirring for 2h at the rotation speed of 350r/min, adding naphthenic oil and polypropylene, and stirring uniformly to obtain modified asphalt;
and secondly, coating the modified asphalt on the surface of the base material, flatly paving the hydrophobic membrane prepared in the embodiment 2 on the upper surface of the modified asphalt, and naturally cooling at normal temperature to obtain the self-adhesive waterproof coiled material.
Comparative example 1:
this comparative example differs from example 3 in that the hydrophobic film obtained in example 1 was not laid on the upper surface of the modified asphalt.
Comparative example 2:
the comparative example used a waterproof roll manufactured in chinese patent CN 103923600A.
Comparative example 3:
the comparative example used a commercially available SBS waterproof roll.
The waterproof rolls of examples 3-4 and comparative examples 1-3 were selected for performance index testing, and the test results are shown in table 1:
TABLE 1
As can be seen from table 1, the waterproof rolls prepared in examples 3 to 4 are superior to the waterproof rolls of comparative examples 1 to 3 in various properties, because the hydrophobic film has a good effect of improving various properties of the waterproof rolls.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The self-adhesive waterproof coiled material is characterized in that: the feed comprises the following raw materials in parts by weight: 50-60 parts of matrix asphalt, 10-12 parts of Buton rock asphalt, 6-7 parts of modifier, 8-10 parts of polypropylene, 6-8 parts of naphthenic oil, 30-35 parts of tire base material and 20-28 parts of hydrophobic membrane;
wherein the hydrophobic membrane is prepared by the following steps:
step one, weighing concentrated sulfuric acid and expanded graphite, adding the concentrated sulfuric acid and the expanded graphite into a flask, placing the flask into an ice-water bath, stirring and mixing, adding sodium nitrate, stirring and mixing, adding potassium permanganate particles, stirring and mixing to obtain a mixture 1;
step two, transferring the flask into an oil bath, stirring the mixture 1 for 1-2h, standing for 12h, adding water, stirring, heating to react, adding water, stirring, and finally adding a hydrogen peroxide solution, and stirring to obtain a mixture 2;
step three, performing suction filtration and cleaning on the mixture 2, drying, adding the mixture into an ethanol solution for ultrasonic dispersion, performing centrifugal treatment to remove upper-layer liquid, drying lower-layer substances, and adding the dried lower-layer substances into the ethanol solution for ultrasonic dispersion to obtain a mixture 3;
and step four, spraying the mixture 3 on a membrane forming plate, standing the membrane forming plate for 3min, heating the membrane forming plate, standing the membrane forming plate for 5min to obtain a formed hydrophobic membrane, then reducing the formed hydrophobic membrane by using hydrazine hydrate, drying the formed hydrophobic membrane for 1.5-2h, and finally modifying the surface of the formed hydrophobic membrane to obtain the hydrophobic membrane.
2. The self-adhesive waterproof roll material according to claim 1, characterized in that: in the first step, the dosage ratio of concentrated sulfuric acid, expanded graphite, sodium nitrate and potassium permanganate is 90-92 mL: 4 g: 2 g: 10-12g of concentrated sulfuric acid, wherein the mass fraction of the concentrated sulfuric acid is 98%.
3. The self-adhesive waterproof roll material according to claim 1, characterized in that: the self-adhesive waterproof coiled material is prepared by the following steps:
firstly, heating the matrix asphalt to 135 ℃ of 130-;
and secondly, coating the modified asphalt on the surface of the base material, flatly laying a hydrophobic membrane on the upper surface of the modified asphalt, and naturally cooling at normal temperature to obtain the self-adhesive waterproof coiled material.
4. The self-adhesive waterproof roll material according to claim 1, characterized in that: the modifier adopts SBS modifier, and the base material adopts one of glass fiber cloth and polyester non-woven fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110807906.4A CN113444470A (en) | 2021-07-16 | 2021-07-16 | Self-adhesive waterproof coiled material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110807906.4A CN113444470A (en) | 2021-07-16 | 2021-07-16 | Self-adhesive waterproof coiled material |
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| CN113444470A true CN113444470A (en) | 2021-09-28 |
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| CN202110807906.4A Pending CN113444470A (en) | 2021-07-16 | 2021-07-16 | Self-adhesive waterproof coiled material |
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|---|---|---|---|---|
| CN103101908A (en) * | 2013-01-24 | 2013-05-15 | 东南大学 | Method for preparing graphene film |
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| CN106009728A (en) * | 2016-06-21 | 2016-10-12 | 沈阳建筑大学 | Buton rock-modified asphalt waterproof rolling material coating material and technological method thereof |
| CN108314967A (en) * | 2018-01-12 | 2018-07-24 | 宋金博 | A kind of preparation method of novel super-high performance basement waterproofing material |
| EP3670606A1 (en) * | 2018-12-19 | 2020-06-24 | INDIAN OIL CORPORATION Ltd. | Co-solubilization process for preparing modified bitumen and product obtained thereof |
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2021
- 2021-07-16 CN CN202110807906.4A patent/CN113444470A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101908A (en) * | 2013-01-24 | 2013-05-15 | 东南大学 | Method for preparing graphene film |
| CN104130669A (en) * | 2014-08-13 | 2014-11-05 | 陕西科技大学 | Highly hydrophobic antistatic composite coating and preparation method thereof |
| CN106009728A (en) * | 2016-06-21 | 2016-10-12 | 沈阳建筑大学 | Buton rock-modified asphalt waterproof rolling material coating material and technological method thereof |
| CN108314967A (en) * | 2018-01-12 | 2018-07-24 | 宋金博 | A kind of preparation method of novel super-high performance basement waterproofing material |
| EP3670606A1 (en) * | 2018-12-19 | 2020-06-24 | INDIAN OIL CORPORATION Ltd. | Co-solubilization process for preparing modified bitumen and product obtained thereof |
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| 罗春华 等: "《普通高等教育规划教材 材料制备与性能测试实验》", 31 July 2019, 机械工业出版社 * |
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Application publication date: 20210928 |