CN114456740A - Self-adhesive polymer modified asphalt waterproof coiled material and preparation method thereof - Google Patents
Self-adhesive polymer modified asphalt waterproof coiled material and preparation method thereof Download PDFInfo
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- CN114456740A CN114456740A CN202210077346.6A CN202210077346A CN114456740A CN 114456740 A CN114456740 A CN 114456740A CN 202210077346 A CN202210077346 A CN 202210077346A CN 114456740 A CN114456740 A CN 114456740A
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- 239000010426 asphalt Substances 0.000 title claims abstract description 108
- 239000000463 material Substances 0.000 title claims abstract description 99
- 239000002998 adhesive polymer Substances 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000003208 petroleum Substances 0.000 claims abstract description 69
- 239000000843 powder Substances 0.000 claims abstract description 42
- 229920001971 elastomer Polymers 0.000 claims abstract description 41
- 229920005989 resin Polymers 0.000 claims abstract description 37
- 239000011347 resin Substances 0.000 claims abstract description 37
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 10
- 239000004636 vulcanized rubber Substances 0.000 claims description 10
- 238000004078 waterproofing Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 7
- 239000005662 Paraffin oil Substances 0.000 claims description 5
- 239000000084 colloidal system Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 5
- 230000007480 spreading Effects 0.000 claims description 5
- 238000003892 spreading Methods 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 238000004513 sizing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000006355 external stress Effects 0.000 abstract description 5
- 230000002045 lasting effect Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J121/00—Adhesives based on unspecified rubbers
-
- 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
-
- 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
-
- 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
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a self-adhesive polymer modified asphalt waterproof coiled material and a preparation method thereof, belonging to the technical field of high molecular materials and preparation methods thereof, the self-adhesive polymer modified asphalt waterproof coiled material comprises petroleum asphalt, softening oil, modified rubber powder, petroleum resin and styrene-butadiene-styrene, and the prepared self-adhesive asphalt coiled material is added with the petroleum resin to improve the bonding strength of the coiled material so as to firmly bond the coiled material and a base layer; the self-adhesive asphalt coiled material has strong initial adhesion, can be firmly adhered at the temperature of more than 5 ℃ without heating equipment, and has safety, environmental protection and convenience; the self-adhesive asphalt coiled material has excellent self-healing property for micro cracks generated by external stress; the self-adhesive asphalt coiled material has lasting adhesiveness, and does not fall off or seep water when being adhered with a base layer; the self-adhesive asphalt coiled material does not flow at high temperature, has no crack at low temperature and has wide applicable temperature range; the self-adhesive asphalt coiled material has reasonable cost performance and wider application range.
Description
Technical Field
The invention relates to the technical field of waterproof coiled materials and preparation methods thereof, in particular to a self-adhesive polymer modified asphalt waterproof coiled material and a preparation method thereof.
Background
The waterproof coiled material is mainly used for building walls, roofs, tunnels, highways, refuse landfills and the like, can be curled into a roll-shaped flexible building material product for resisting external rainwater and underground water leakage, is used as a leakage-free connection between an engineering foundation and a building, is a waterproof first barrier of the whole engineering, and plays a vital role in the whole engineering.
However, when the common self-adhesive asphalt coiled material is used, the adhesive strength of the coiled material is insufficient, the coiled material is easy to fall off, fine cracks generated by external stress cannot be effectively resisted, the coiled material does not have lasting adhesiveness, the coiled material and the base layer can fall off and flow water along with the long service life, the elongation is small, and the adaptability to the shrinkage deformation and cracking of the base layer is weak; the flowing occurs at high temperature or the crack occurs at low temperature, and the applicable temperature range is narrow.
Disclosure of Invention
The invention provides a self-adhesive polymer modified asphalt waterproof coiled material and a preparation method thereof, aiming at solving the problems that the existing coiled material is insufficient in bonding strength, is easy to fall off, cannot effectively resist fine cracks generated by external stress, does not have lasting bonding property, can fall off and flow water with the long service life between the coiled material and a base layer, has small elongation and weak adaptability to shrinkage deformation and cracking of the base layer; flow at high temperature or crack at low temperature, narrow applicable temperature range and the like.
The embodiment of the invention adopts the following technical scheme: a self-adhesive polymer modified asphalt waterproof coiled material is characterized in that: the composition comprises the following components in parts by weight: 10-50 parts of petroleum asphalt, 6-15 parts of softening oil, 20-60 parts of modified rubber powder, 10-20 parts of petroleum resin and 5-10 parts of styrene-butadiene-styrene.
In some embodiments of the present invention, the petroleum asphalt in the self-adhesive polymer modified asphalt waterproofing membrane formulation system is 100# petroleum asphalt.
In some embodiments of the present invention, the softening oil in the self-adhesive polymer modified asphalt waterproofing membrane formulation system is at least one of naphthenic oil and paraffin oil.
In some embodiments of the present invention, the modified rubber powder in the formula system of the self-adhesive polymer modified asphalt waterproof roll is at least one of C1 vulcanized rubber powder and C2 vulcanized rubber powder.
In some embodiments of the present invention, the median particle size of the modified rubber powder in the formula system of the self-adhesive polymer modified asphalt waterproof roll is 60 to 120 meshes.
In some embodiments of the present invention, the petroleum resin in the self-adhesive polymer modified asphalt waterproofing membrane formula system is at least one of C5 petroleum resin, C5 hydrogenated petroleum resin, C9 hydrogenated petroleum resin, C9 hot polymerized petroleum resin and C9 cold polymerized petroleum resin.
In some embodiments of the present invention, the styrene-butadiene-styrene in the self-adhesive polymer modified asphalt waterproofing membrane formula system is at least one of linear styrene-butadiene-styrene and star styrene-butadiene-styrene.
The second purpose of the invention is to provide a preparation method of the self-adhesive polymer modified asphalt waterproof coiled material, which has the technical points that: the method comprises the following steps:
accurately weighing petroleum asphalt, softening oil, modified rubber powder, petroleum resin and styrene-butadiene-styrene for later use;
step two, 50 percent of the petroleum asphalt and 20 percent of the softening oil weighed in the step one are put into a reaction kettle to be dehydrated for 20-40min at the temperature of 140-;
step three, adding the remaining 50 percent of petroleum asphalt into the reaction kettle in the step two, and dehydrating for 2 hours at the temperature of 140-;
step four, adding 60 percent of softening oil into the reaction kettle in the step three, heating to 195-minus 205 ℃, adding the weighed modified rubber powder in the step one, and reacting for 3 hours until the modified rubber powder is completely dissolved;
step five, cooling the reaction kettle in the step four to 180 ℃ and 190 ℃, and putting the weighed styrene-butadiene-styrene in the step one and petroleum resin for reaction for 2 hours to obtain a first rubber material;
step six, adding the rest 20 percent of softening oil into the reaction kettle in the step five, and carrying out constant temperature treatment at the temperature of 190-;
step seven, starting a high-viscosity pump to pump the uniformly dispersed rubber materials mixed and melted by the colloid mill into a metering kettle, sending the prepared polyester tire substrate to a spreading machine, adjusting a glue spreader to penetrate and compound a film, and adjusting the initial thickness;
step eight, starting up and recoating, strictly controlling the edge distance of the sheet edge baffle plate to prevent the glue material from exposing, controlling the recoating linear speed to be 3m, recoating after the recoating is carried out of the cooling section, detecting the thickness of the smear, and adjusting to the thickness and speed of the specification required to be set;
and step nine, the sheet coated with the glue film in the step eight is cooled, lifted, stored, placed, pulled and conveyed to be measured and rolled into a finished product of the self-adhesive polymer modified asphalt waterproof coiled material.
The embodiment of the invention adopts at least one technical scheme which can achieve the following beneficial effects:
the self-adhesive polymer modified asphalt waterproof coiled material comprises petroleum asphalt, softening oil, modified rubber powder, petroleum resin and styrene-butadiene-styrene, wherein the petroleum resin is added into the prepared self-adhesive asphalt coiled material to improve the bonding strength of the coiled material, so that the coiled material is firmly bonded with a base layer; the self-adhesive asphalt coiled material has strong initial adhesion, can be firmly adhered at the temperature of more than 5 ℃ without heating equipment, and has safety, environmental protection and convenience; the self-adhesive asphalt coiled material has excellent self-healing property for micro cracks generated by external stress; the self-adhesive asphalt coiled material has lasting adhesiveness, does not fall off or seep water when being adhered with a base layer, and has the same service life as the coiled material when being adhered at a lap joint. The self-adhesive asphalt coiled material has high elongation and strong adaptability to shrinkage deformation and cracking of a base layer. The self-adhesive asphalt coiled material does not flow at high temperature, has no crack at low temperature and has wide application temperature range. The self-adhesive asphalt coiled material is soft and has super-strong adhesive property, can achieve perfect fit adhesion with a base layer, and is more suitable for construction of complex base surfaces; the self-adhesive asphalt coiled material has reasonable cost performance and wider application range.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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
A self-adhesive polymer modified asphalt waterproof coiled material comprises the following components: 30kg of petroleum asphalt, 10.5kg of softening oil, 40kg of modified rubber powder, 15kg of petroleum resin and 7.5kg of styrene-butadiene-styrene.
Wherein, the petroleum asphalt in the self-adhesive polymer modified asphalt waterproof coiled material formula system is 100# petroleum asphalt.
Wherein, the softening oil in the formula system of the self-adhesive polymer modified asphalt waterproof coiled material is naphthenic oil.
Wherein the modified rubber powder in the self-adhesive polymer modified asphalt waterproof coiled material formula system is C1 vulcanized rubber powder.
Wherein, the median particle diameter of the modified rubber powder in the formula system of the self-adhesive polymer modified asphalt waterproof coiled material is 90 meshes.
Wherein, the petroleum resin in the self-adhesive polymer modified asphalt waterproof coiled material formula system is C5 petroleum resin.
Wherein, the styrene-butadiene-styrene in the formula system of the self-adhesive polymer modified asphalt waterproof coiled material is linear styrene-butadiene-styrene.
The preparation method of the self-adhesive polymer modified asphalt waterproof coiled material comprises the following steps:
accurately weighing petroleum asphalt, softening oil, modified rubber powder, petroleum resin and styrene-butadiene-styrene for later use;
step two, 50% of petroleum asphalt and 20% of softening oil weighed in the step one are put into a reaction kettle to be dehydrated for 30min at the temperature of 145 ℃;
step three, adding the rest 50% of petroleum asphalt into the reaction kettle in the step two, and dehydrating for 2 hours at the temperature of 145 ℃;
step four, adding 60% of softening oil into the reaction kettle in the step three, heating to 200 ℃, adding the weighed modified rubber powder in the step one, and reacting for 3 hours until the modified rubber powder is completely dissolved;
step five, cooling the reaction kettle in the step four to 185 ℃, and putting the weighed styrene-butadiene-styrene in the step one and petroleum resin to react for 2 hours to obtain a first rubber material;
step six, adding the rest 20 percent of softening oil into the reaction kettle in the step five, and carrying out constant temperature treatment at 195 ℃ for 45min to obtain a sizing material;
step seven, starting a high-viscosity pump to pump the uniformly dispersed rubber materials mixed and melted by the colloid mill into a metering kettle, sending the prepared polyester tire substrate to a spreading machine, adjusting a glue spreader to penetrate and compound a film, and adjusting the initial thickness;
step eight, starting up and recoating, strictly controlling the edge distance of the sheet edge baffle plate to prevent the glue material from exposing, controlling the recoating linear speed to be 3m, recoating after the recoating is carried out of the cooling section, detecting the thickness of the smear, and adjusting to the thickness and speed of the specification required to be set;
and step nine, the sheet coated with the glue film in the step eight is cooled, lifted, stored, placed, pulled and conveyed to be measured and rolled into a finished product of the self-adhesive polymer modified asphalt waterproof coiled material.
Example 2
A self-adhesive polymer modified asphalt waterproof coiled material comprises the following components: 10kg of petroleum asphalt, 6kg of softening oil, 20kg of modified rubber powder, 10kg of petroleum resin and 5kg of styrene-butadiene-styrene.
Wherein, the petroleum asphalt in the self-adhesive polymer modified asphalt waterproof coiled material formula system is 100# petroleum asphalt.
Wherein, the softening oil in the formula system of the self-adhesive polymer modified asphalt waterproof coiled material is paraffin oil.
Wherein the modified rubber powder in the formula system of the self-adhesive polymer modified asphalt waterproof coiled material is C2 vulcanized rubber powder.
Wherein, the median particle diameter of the modified rubber powder in the formula system of the self-adhesive polymer modified asphalt waterproof coiled material is 60 meshes.
Wherein, the petroleum resin in the formula system of the self-adhesive polymer modified asphalt waterproof coiled material is C5 hydrogenated petroleum resin.
Wherein, the styrene-butadiene-styrene in the formula system of the self-adhesive polymer modified asphalt waterproof coiled material is star-shaped styrene-butadiene-styrene.
The preparation method of the self-adhesive polymer modified asphalt waterproof coiled material comprises the following steps:
accurately weighing petroleum asphalt, softening oil, modified rubber powder, petroleum resin and styrene-butadiene-styrene for later use;
step two, 50% of petroleum asphalt and 20% of softening oil weighed in the step one are put into a reaction kettle to be dehydrated for 20min at the temperature of 140 ℃;
step three, adding the remaining 50 percent of petroleum asphalt into the reaction kettle in the step two, and dehydrating for 2 hours at the temperature of 140 ℃;
step four, adding 60% of softening oil into the reaction kettle in the step three, heating to 195 ℃, adding the weighed modified rubber powder in the step one, and reacting for 3 hours until the modified rubber powder is completely dissolved;
step five, cooling the reaction kettle in the step four to 180 ℃, and putting the weighed styrene-butadiene-styrene in the step one into the reaction kettle to react with the petroleum resin for 2 hours to obtain a first rubber material;
step six, adding the rest 20% of softening oil into the reaction kettle in the step five, and carrying out constant temperature treatment at 190 ℃ for 30min to obtain a sizing material;
step seven, starting a high-viscosity pump to pump the uniformly dispersed rubber materials mixed and melted by the colloid mill into a metering kettle, sending the prepared polyester tire substrate to a spreading machine, adjusting a glue spreader to penetrate and compound a film, and adjusting the initial thickness;
step eight, starting up and recoating, strictly controlling the edge distance of the sheet edge baffle plate to prevent the glue material from exposing, controlling the recoating linear speed to be 3m, recoating after the recoating is carried out of the cooling section, detecting the thickness of the smear, and adjusting to the thickness and speed of the specification required to be set;
and step nine, the sheet coated with the glue film in the step eight is cooled, lifted, stored, placed, pulled and conveyed to be measured and rolled into a finished product of the self-adhesive polymer modified asphalt waterproof coiled material.
Example 3
A self-adhesive polymer modified asphalt waterproof coiled material comprises the following components: 50kg of petroleum asphalt, 15kg of softening oil, 60kg of modified rubber powder, 20kg of petroleum resin and 10kg of styrene-butadiene-styrene.
Wherein, the petroleum asphalt in the self-adhesive polymer modified asphalt waterproof coiled material formula system is 100# petroleum asphalt.
Wherein, the softening oil in the formula system of the self-adhesive polymer modified asphalt waterproof coiled material is a mixture of naphthenic oil and paraffin oil, wherein the weight ratio of the naphthenic oil to the paraffin oil is 1: 1.
the modified rubber powder in the formula system of the self-adhesive polymer modified asphalt waterproof coiled material is a mixture of C1 vulcanized rubber powder and C2 vulcanized rubber powder, wherein the weight ratio of the C1 vulcanized rubber powder to the C2 vulcanized rubber powder is 1: 1.
wherein, the median particle diameter of the modified rubber powder in the formula system of the self-adhesive polymer modified asphalt waterproof coiled material is 120 meshes.
Wherein, the petroleum resin in the formula system of the self-adhesive polymer modified asphalt waterproof coiled material is C9 hydrogenated petroleum resin.
Wherein, styrene-butadiene-styrene in the formula system of the self-adhesive polymer modified asphalt waterproof coiled material is a mixture of linear styrene-butadiene-styrene and star styrene-butadiene-styrene, wherein the weight ratio of the linear styrene-butadiene-styrene to the star styrene-butadiene-styrene is 1: 1.
the preparation method of the self-adhesive polymer modified asphalt waterproof coiled material comprises the following steps:
accurately weighing petroleum asphalt, softening oil, modified rubber powder, petroleum resin and styrene-butadiene-styrene for later use;
step two, 50% of petroleum asphalt and 20% of softening oil weighed in the step one are put into a reaction kettle to be dehydrated for 40min at the temperature of 150 ℃;
step three, adding the remaining 50 percent of petroleum asphalt into the reaction kettle in the step two, and dehydrating for 2 hours at the temperature of 150 ℃;
step four, adding 60% of softening oil into the reaction kettle in the step three, heating to 205 ℃, adding the weighed modified rubber powder in the step one, and reacting for 3 hours until the modified rubber powder is completely dissolved;
step five, cooling the reaction kettle in the step four to 190 ℃, and putting the weighed styrene-butadiene-styrene in the step one into the reaction kettle to react with the petroleum resin for 2 hours to obtain a first rubber material;
step six, adding the rest 20% of softening oil into the reaction kettle in the step five, and carrying out constant temperature treatment at 200 ℃ for 60min to obtain a sizing material;
step seven, starting a high-viscosity pump to pump the uniformly dispersed rubber materials mixed and melted by the colloid mill into a metering kettle, sending the prepared polyester tire substrate to a spreading machine, adjusting a glue spreader to penetrate and compound a film, and adjusting the initial thickness;
step eight, starting up and recoating, strictly controlling the edge distance of the sheet edge baffle plate to prevent the glue material from exposing, controlling the recoating linear speed to be 3m, recoating after the recoating is carried out of the cooling section, detecting the thickness of the smear, and adjusting to the thickness and speed of the specification required to be set;
and step nine, the sheet coated with the glue film in the step eight is cooled, lifted, stored, placed, pulled and conveyed to be measured and rolled into a finished product of the self-adhesive polymer modified asphalt waterproof coiled material.
Examples of the experiments
The finished self-adhesive polymer modified asphalt waterproof coiled material prepared in the examples 1 to 3 is subjected to performance test according to the GB23441-2009 quality standard index, and the test results are shown in the table 1:
TABLE 1
Through detection, the finished self-adhesive polymer modified asphalt waterproof coiled material prepared in the embodiments 1-3 meets the quality standard indexes, and the coiled material has high adhesive strength, so that the coiled material is firmly adhered to a base layer; the self-adhesive asphalt coiled material has strong initial adhesion, can be firmly adhered at the temperature of more than 5 ℃ without heating equipment, and has safety, environmental protection and convenience; the self-adhesive asphalt coiled material has excellent self-healing property for micro cracks generated by external stress; the self-adhesive asphalt coiled material has lasting adhesiveness, does not fall off or seep water when being adhered with a base layer, and has the same service life as the coiled material when being adhered at a lap joint. The self-adhesive asphalt coiled material has high elongation and strong adaptability to shrinkage deformation and cracking of a base layer. The self-adhesive asphalt coiled material does not flow at high temperature, has no crack at low temperature and has wide application temperature range. The self-adhesive asphalt coiled material is soft and has super-strong adhesive property, can achieve perfect fit adhesion with a base layer, and is more suitable for construction of complex base surfaces; the self-adhesive asphalt coiled material has reasonable cost performance and wider application range.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. A self-adhesive polymer modified asphalt waterproof coiled material is characterized in that: the composition comprises the following components in parts by weight: 10-50 parts of petroleum asphalt, 6-15 parts of softening oil, 20-60 parts of modified rubber powder, 10-20 parts of petroleum resin and 5-10 parts of styrene-butadiene-styrene.
2. The self-adhesive polymer modified asphalt waterproofing membrane of claim 1, characterized in that: the petroleum asphalt is No. 100 petroleum asphalt.
3. The self-adhesive polymer modified asphalt waterproofing membrane of claim 1, characterized in that: the softening oil is at least one of naphthenic oil and paraffin oil.
4. The self-adhesive polymer modified asphalt waterproofing membrane of claim 1, characterized in that: the modified rubber powder is at least one of C1 vulcanized rubber powder and C2 vulcanized rubber powder.
5. The self-adhesive polymer modified asphalt waterproofing membrane of claim 4, characterized in that: the median particle size of the modified rubber powder is 60-120 meshes.
6. The self-adhesive polymer modified asphalt waterproofing membrane of claim 1, characterized in that: the petroleum resin is at least one of C5 petroleum resin, C5 hydrogenated petroleum resin, C9 hydrogenated petroleum resin, C9 hot polymerized petroleum resin and C9 cold polymerized petroleum resin.
7. The self-adhesive polymer modified asphalt waterproofing membrane of claim 1, characterized in that: the styrene-butadiene-styrene is at least one of linear styrene-butadiene-styrene and star styrene-butadiene-styrene.
8. A preparation method of a self-adhesive polymer modified asphalt waterproof coiled material is characterized by comprising the following steps: the method comprises the following steps:
accurately weighing petroleum asphalt, softening oil, modified rubber powder, petroleum resin and styrene-butadiene-styrene for later use;
step two, 50 percent of the petroleum asphalt and 20 percent of the softening oil weighed in the step one are put into a reaction kettle to be dehydrated for 20-40min at the temperature of 140-;
step three, adding the remaining 50 percent of petroleum asphalt into the reaction kettle in the step two, and dehydrating for 2 hours at the temperature of 140-;
step four, adding 60 percent of softening oil into the reaction kettle in the step three, heating to 195-minus 205 ℃, adding the weighed modified rubber powder in the step one, and reacting for 3 hours until the modified rubber powder is completely dissolved;
step five, cooling the reaction kettle in the step four to 190 ℃, and putting the weighed styrene-butadiene-styrene in the step one and petroleum resin for reaction for 2h to obtain a first sizing material;
step six, adding the rest 20 percent of softening oil into the reaction kettle in the step five, and carrying out constant temperature treatment at the temperature of 190-;
step seven, starting a high-viscosity pump to pump the uniformly dispersed rubber materials mixed and melted by the colloid mill into a metering kettle, sending the prepared polyester tire substrate to a spreading machine, adjusting a glue spreader to penetrate and compound a film, and adjusting the initial thickness;
step eight, starting up and recoating, strictly controlling the edge distance of the sheet edge baffle plate to prevent the glue material from exposing, controlling the recoating linear speed to be 3m, recoating after the recoating is carried out of the cooling section, detecting the thickness of the smear, and adjusting to the thickness and speed of the specification required to be set;
and step nine, the sheet coated with the glue film in the step eight is cooled, lifted, stored, placed, pulled and conveyed to be measured and rolled into a finished product of the self-adhesive polymer modified asphalt waterproof coiled material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210077346.6A CN114456740A (en) | 2022-01-24 | 2022-01-24 | Self-adhesive polymer modified asphalt waterproof coiled material and preparation method thereof |
Applications Claiming Priority (1)
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Citations (4)
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| CN102492368A (en) * | 2011-11-14 | 2012-06-13 | 唐山德生防水材料有限公司 | High-temperature resistant self-adhesive polymer modified asphalt waterproofing membrane and preparation method thereof |
| CN107471764A (en) * | 2016-06-07 | 2017-12-15 | 中国石油化工股份有限公司 | The fire-retardant self-adhesive modified asphalt waterproof rolling material of automatically cleaning |
| CN108641611A (en) * | 2018-05-14 | 2018-10-12 | 中油佳汇防水科技（深圳）股份有限公司 | A kind of modified pitch self-adhesion sizing material, waterproof roll and preparation method thereof |
| CN110330907A (en) * | 2019-06-24 | 2019-10-15 | 中山市易路美智能装备有限公司 | Self-adhering type polymer modified asphalt pressing belt and its construction method |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102492368A (en) * | 2011-11-14 | 2012-06-13 | 唐山德生防水材料有限公司 | High-temperature resistant self-adhesive polymer modified asphalt waterproofing membrane and preparation method thereof |
| CN107471764A (en) * | 2016-06-07 | 2017-12-15 | 中国石油化工股份有限公司 | The fire-retardant self-adhesive modified asphalt waterproof rolling material of automatically cleaning |
| CN108641611A (en) * | 2018-05-14 | 2018-10-12 | 中油佳汇防水科技（深圳）股份有限公司 | A kind of modified pitch self-adhesion sizing material, waterproof roll and preparation method thereof |
| CN110330907A (en) * | 2019-06-24 | 2019-10-15 | 中山市易路美智能装备有限公司 | Self-adhering type polymer modified asphalt pressing belt and its construction method |
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