KR20170025677A - Manufacturing Method of High Durable and Quick Harden Cold Crack Sealant - Google Patents
Manufacturing Method of High Durable and Quick Harden Cold Crack Sealant Download PDFInfo
- Publication number
- KR20170025677A KR20170025677A KR1020150122464A KR20150122464A KR20170025677A KR 20170025677 A KR20170025677 A KR 20170025677A KR 1020150122464 A KR1020150122464 A KR 1020150122464A KR 20150122464 A KR20150122464 A KR 20150122464A KR 20170025677 A KR20170025677 A KR 20170025677A
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- latex
- asphalt
- curing
- emulsified asphalt
- weight
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/005—Methods or materials for repairing pavings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/003—Methods for mixing
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Road Repair (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention relates to a method for manufacturing a high-durability, quick-curing, room temperature type crack repairing agent that improves durability by using a liquid phase latex and enables quick curing by producing a curing liquid that reacts immediately with emulsified asphalt. And a step of introducing a material into the polymer latex; A material mixing step of mixing the emulsified asphalt and the polymer latex supplied from the material input part in the material mixing part at a predetermined rotational speed; And an additional material dosing step in which the additional material is charged in the additional material dosing part and transferred to the material mixing part.
Description
The present invention relates to a method for manufacturing a high-durability quick-curing room temperature type crack repair agent, and more particularly, to a method for manufacturing a high-durability quick-cure room temperature type crack repairing agent by improving the durability by using a liquid type latex and by producing a hardening liquid which reacts immediately with emulsified asphalt, And more particularly, to a method for manufacturing a crack repair agent.
Damage of road pavement has occurred in various ways such as plastic deformation, port hole settlement and crack. In the modern age, road pavement damage is increasing due to various reasons such as increase in traffic volume, heavy vehicle, high speed, and seasonal factors.
Therefore, maintenance of roads is mainly made up of economical maintenance methods that increase the life of roads, and development of products with high effectiveness and practical application of these products is an essential factor in the road packing business.
Most of the crack repair in the current road maintenance method is heating method using the crack repairing agent by hot heating. However, it takes a lot of time to repair the crack repairing agent, and pollution material is generated at the time of construction, .
Korean Patent No. 10-0391234 (Jul. 1, 2003) is a material which is easy to apply thin layer at room temperature, has excellent ductility and adhesive strength to improve strength and durability, and is mixed with aggregate, water, cement, The present invention relates to a composition for road pavement / crack repair which can be used as a thin plate for a repair work and can shorten a work process and a work time, and a construction method using the same. The composition includes 60 to 70 wt% of an asphalt, 0.1 to 1.0 wt% of an acid, 0.1 to 1.0 wt% of an acid, 5 to 15 wt% of a natural latex, 0.1 to 3 wt% of a storage stability improver, 0.1 to 1.0 wt% of a curing time adjusting additive and the balance of water. According to the disclosed technology, since the constraint of the weather conditions is small, when the aggregate, cement, and water are used in combination, asphalt, concrete, steel plate, etc. have high adhesive force and room temperature construction, the material movement and workability are good. Repair of surface layer during excavation of roads requiring sophisticated construction / Surface wastage of asphalt paved roads, micro cracks, repair of perimeter structures such as manholes, etc. Repair of boundary section / Concrete pavement surface / partial repair / slip prevention / , The application of thin layer overlay of bicycle roads, and so on.
Korean Patent No. 10-1350363 (Apr. 1, 2014) discloses a modified asphalt for forming an emulsified asphalt, a permeable modified emulsified asphalt, and an asphalt-based asphalt to provide excellent strength and durability of a package after repairing, And a maintenance method of road pavement is described. According to the disclosed technology, asphalt having an intrusion of 50 to 100 and a softening point of 40 to 60 ° C is mixed with 3 to 25 parts by weight of a modifier, 2 to 20 parts by weight of a low molecular weight polymer and 1 to 5 parts by weight of a high molecular weight 45 to 65 parts by weight of modified asphalt; 30 to 47 parts by weight of emulsified water; And 3 to 10 parts by weight of a liquid polymer modifier and having permeability of from 15 to 30 and a softening point of from 70 to 90 캜, characterized in that the asphalt road pavement repairing method comprises: ; And applying the permeable modified emulsified asphalt to the damaged portion of the asphalt road pavement and its periphery, wherein the modifier is selected from the group consisting of C9 hydrocarbon resin, Rosin, Rosin Ester, Wherein the liquid polymer modifier is formed by dispersing at least one material selected from styrene-butadiene rubber latex, styrene-butadiene latex, acrylic latex and modified acrylic latex through a high speed colloid MILL, The step of preparing the modified asphalt for forming an emulsified asphalt to produce the modified asphalt for forming the emulsified asphalt by mixing the modifier, the low molecular weight polymer, the polymer acid and the additive to the asphalt heated to 160 ° C or higher; Dissolving 0.1 to 5.0 parts by weight of an emulsifier in water heated to 40 DEG C or higher and then adjusting the pH and adding 2 to 10 parts by weight of an additive to prepare the emulsified water; Preparing a mixture of emulsified water-liquid polymer modifier to prepare a mixture of emulsified water-liquid polymer modifier by mixing the liquid polymer modifier and the emulsified water; Wherein the emulsified asphalt-forming modified asphalt and the emulsified water-based polymer modifier mixture are mixed to prepare the permeable modified emulsified asphalt, wherein the emulsified asphalt-forming modified asphalt and the emulsified water-liquid polymer modifier mixture are supplied to an emulsification dispersion mixer And a step of preparing a permeable modified emulsified asphalt which causes an emulsification reaction by a mechanical method under an environment of MILL SPEED 2500 to 3500 using a colloid mill so that the asphalt particles and the polymer are uniformly dispersed .
In the conventional crack repairing agent as described above, the heating energy and the pollution gas such as carbon dioxide are generated mainly by using the heating type crack repairing agent to cause environmental pollution, the construction period is lengthened, and the work environment of the worker is adversely affected And the like.
The conventional crack repairing agent as described above has disadvantages such as low durability such as resistance to ultraviolet rays and adhesive force, and slow curing time.
The conventional crack repairing agent as described above has a disadvantage in that it is difficult to perform early construction due to a long curing time at the time of construction and the opening time of the early traffic is difficult, thereby increasing work hours of workers and increasing traffic inspections.
Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a curable liquid which can improve durability by using a liquid latex and react with emulsified asphalt immediately, A method for manufacturing a durability rapid-curing room temperature type crack repair agent.
According to an aspect of the present invention, there is provided a method of manufacturing a semiconductor device, comprising the steps of: injecting a material into which an emulsified asphalt and a polymer latex are introduced; A material mixing step of mixing the emulsified asphalt and the polymer latex supplied from the material input part in the material mixing part at a predetermined rotational speed; And an additional material feeding step of feeding the additional material from the additional material feeding part to the material mixing part.
In one embodiment, the material dosing step may include loading 100 parts by weight of emulsified asphalt and 1 to 20 parts by weight of polymer latex.
In one embodiment, the emulsified asphalt is prepared with an intrusion degree of 60 to 100 and a solids content of 65 to 70%.
In one embodiment, the polymeric latex comprises one or more of the group consisting of butadiene latex, isoprene latex, natural rubber latex, or styrene-butadiene rubber latex and a latex comprising acrylonitrile butadiene latex, styrene latex, modified styrene butadiene latex or modified butadiene latex At least one of the two groups can be selected and used.
In one embodiment, the polymer latex may have an average molecular weight of 400,000 g / mol or more and a solids content of 40 to 60%.
In one embodiment, the material mixing step may mix the emulsified asphalt and the polymer latex at a rotational speed of 200 to 2,000 rpm.
In one embodiment, the additional material dosing step may be applied with 0.1 to 10 parts by weight of the curing liquid as additional material.
In one embodiment, the additional material dosing step may be charged with additional material in a fifth portion of the fluidizing agent for viscosity improvement.
In one embodiment, the curing liquid can be used by mixing at least one material selected from an ionic compound, an inert solid or an inorganic compound with water.
In one embodiment, the curing liquid may have a water content of 60 to 95%.
According to the present invention, there is provided a method for manufacturing a high-durability, quick-curing, room temperature type crack repair agent that improves durability by using liquid phase latex and enables quick curing by reacting immediately with emulsified asphalt. It is possible to reduce the heat energy and the pollution gas such as carbon dioxide which are generated, thereby reducing the environmental conservation aspect as well as the construction period and improving the work environment of the worker.
According to the present invention, by using the polymer latex, durability such as resistance to ultraviolet rays and adhesive force can be increased, and curing time can be accelerated.
According to the present invention, in order to compensate for the drawbacks of the room temperature type crack repair agent that the curing time is long, it is possible to perform quick curing by spraying and reacting the curing liquid, thereby enabling early construction and opening of traffic, It has an effect of improving the traffic weight.
1 is a flowchart illustrating a method for manufacturing a high-durability quick-curing room temperature type crack repair agent according to an embodiment of the present invention.
FIG. 2 is a view for explaining a relationship among constituent elements of a method for manufacturing a high-durability quick-curing room temperature type crack repairing agent according to an embodiment of the present invention.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. However, the description of the present invention is merely an example for structural or functional explanation, and the scope of the present invention should not be construed as being limited by the embodiments described in the text. That is, the embodiments are to be construed as being variously embodied and having various forms, so that the scope of the present invention should be understood to include equivalents capable of realizing technical ideas. Also, the purpose or effect of the present invention should not be construed as limiting the scope of the present invention, since it does not mean that a specific embodiment should include all or only such effect.
Meanwhile, the meaning of the terms described in the present invention should be understood as follows.
The terms "first "," second ", and the like are intended to distinguish one element from another, and the scope of the right should not be limited by these terms. For example, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.
It is to be understood that when an element is referred to as being "connected" to another element, it may be directly connected to the other element, but there may be other elements in between. On the other hand, when an element is referred to as being "directly connected" to another element, it should be understood that there are no other elements in between. On the other hand, other expressions that describe the relationship between components, such as "between" and "between" or "neighboring to" and "directly adjacent to" should be interpreted as well.
It should be understood that the singular " include "or" have "are to be construed as including a stated feature, number, step, operation, component, It is to be understood that the combination is intended to specify that it does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.
All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used predefined terms should be interpreted to be consistent with the meanings in the context of the related art and can not be interpreted as having ideal or overly formal meaning unless explicitly defined in the present invention.
Now, a method for manufacturing a high-durability quick-curing room temperature type crack repair agent according to an embodiment of the present invention will be described in detail with reference to the drawings.
1 is a flowchart illustrating a method for manufacturing a high-durability quick-curing room temperature type crack repair agent according to an embodiment of the present invention.
Referring to FIG. 1, the
In the step S100, 100 parts by weight of the emulsified asphalt and 1 to 20 parts by weight of the polymer latex may be input.
In one embodiment, the emulsified asphalt used in the present invention has an intrusion degree of 60 to 100 and can have a solids content of 65 to 70%. In this case, if the penetration degree of the asphalt asphalt is lower than 60, the strength of the crack repairing agent is improved when used as a crack repairing agent, but there is a problem that the adhesive strength and flexibility are lowered. When the penetration degree is 100, the adhesive strength and flexibility are secured, Disadvantages arise.
In one embodiment, the emulsified asphalt used in the present invention has a disadvantage in that it is difficult to perform early construction and traffic opening due to a slow curing time when the content of the solid content is lower than 65%, while it is difficult to produce emulsified asphalt when the content is higher than 70%.
In one embodiment, the emulsified asphalt used in the present invention is preferably a high-solid-content emulsified asphalt (H-AP) having a high solid content and an emulsified asphalt having a solid content of 68.2%. Table 1 shows the evaluation method of the emulsified asphalt used in the present invention according to the test method of KS M 2203;
In one embodiment, the low solids low emulsified asphalt (L-AP) used as a comparative example with the emulsified asphalt used in the present invention is an emulsified asphalt having a solids content of 45.1%, and a comparative example is KS M 2203 Table 2 shows the evaluation method according to the test method.
In one embodiment, the polymer latex used in the present invention is a polymer latex which has no polarity for adhesion and is made of a group consisting of butadiene latex, isoprene latex, natural rubber latex or styrene-butadiene rubber latex having good low temperature flexibility, Among the two groups of acrylonitrile butadiene latex, styrene latex, modified styrene butadiene latex and modified butadiene latex for improvement, one or more can be selected and used in consideration of adhesive strength, strength and low temperature properties. At this time, the polymer latex is used for improving low-temperature flexibility, adhesion, and strength.
In one embodiment, the polymer latex used in the present invention may have an average molecular weight of 400,000 g / mol or more and a solid content of 40 to 60% for improving curing time and strength. In this case, the higher the molecular weight, the higher the solidification rate and the shorter the curing time. When the solid content is lower than 40%, the curing time is slowed and the early construction and opening of the traffic are difficult. On the other hand, when the solid content is higher than 60% Can cause disadvantages.
In one embodiment, the polymer latex used in the present invention may be a high solids high molecular weight latex (HH-LATEX), a chlorinated modified butadiene rubber latex having a weight average molecular weight of 500,000 g / 10 mol and a butadiene rubber latex 9: 1, and it is preferable that the solid content is 58%. In this embodiment, a high molecular weight latex (HM-LATEX) which is used by mixing a chlorine-modified butadiene rubber latex having a weight average molecular weight of 200,000 g / 10 mol and a butadiene rubber latex at a ratio of 9: 1 can be used.
In one embodiment, the polymer latex used in the present invention may be a low solids high molecular weight latex (LH-LATEX), a butadiene rubber latex modified with chlorine having a weight average molecular weight of 500,000 g / 10 mol and a butadiene rubber latex 9: 1, and it is preferable that the solid content is 38%.
In the
In one embodiment, the
In the material mixing step (S200) in the above-described step S200, the emulsified asphalt and the polymer latex may be mixed at a rotating speed of 200 to 2,000 rpm. At this time, if the speed of the
In the additional
In one embodiment, the
In the above-described step S300, the additional material applying step (S300) may be performed by adding 0.1 to 10 parts by weight of the curing liquid as an additional material.
In the above-described step S300, the additional material applying step (S300) may be performed by adding 5 parts by weight of the fluidizing agent for improving the viscosity as additional material.
In one embodiment, the curing liquid used in the present invention can be used by mixing one or more materials selected from an ionic compound, an inert solid or an inorganic compound with water. At this time, water can be used either pure water or ultra pure water including general tap water.
In one embodiment, the curing liquid used in the present invention may have a water content of 60 to 95%.
In one embodiment, the curing liquid used in the present invention is an inorganic type generally used for latex solidification, and it is preferably used in an amount of 5 parts by weight based on 100 parts by weight of water.
The performance evaluation of the crack repairing agent manufactured by the method (S10) for manufacturing a high-durability, high-durability, quick-curing room temperature type crack repairing material having the above-described structure was compared and evaluated by referring to the standard of the room temperature type crack repairing agent of Texas Road Traffic Bureau, The results are shown in Table 4. Table 4 shows the results of the tests.
The most remarkable feature of the present invention is that the above-mentioned durable modified emulsified asphalt and curing liquid are used for early construction and traffic opening, and the method of curing the curing condition is a touch-drying test, In the tack-and-dry test, asphalt asphalt is sprayed on asphalt mixture (300 ㅧ 300 ㅧ 50mm) with a thickness of 1mm, and the painted asphalt is lightly put on the asphalt at 25 ℃. , The fast curing tack coating standard is less than 90 minutes. Therefore, when the curing speed is 90 minutes or more, the curing speed is classified as 30 to 50 minutes, 30 minutes or less. The results are shown in Table 4.
In Example 1 and Comparative Examples 1 to 3 in Table 4, it can be seen that the crack repairing agent according to the present invention has excellent performance through Example 1 of the present invention. On the other hand, Comparative Examples 1 and 3 show that the emulsion asphalt It can be seen that when the solid content of the polymer latex is low, there is a problem in performance and curing. Also, it can be seen that the molecular weight of the polymer latex influences the curing speed through Comparative Example 2.
Table 5 shows the results of the evaluation of the final crack repairing agent manufactured in Example 1 of the present invention on the basis of a room temperature type crack repairing agent of Texas Road Traffic Bureau.
From the results of Table 5, it can be seen that the room temperature type crack repairing agent manufactured by the present invention can identify products that are easy to store as a result of stability and sieve residue test, and also can determine the effect of increasing the durability of asphalt residue and softening point can do.
Table 6 shows the results of evaluation of the curing speed of the final crack repairing agent prepared in Example 1 of the present invention and commercialized light-weight emulsified asphalt and modified emulsified asphalt. As a method of curing the curing condition, the tack-and-dry test was applied to the test run of the roadway-830 of Korea Highway Corporation. The tackiness test was performed by spraying asphalt asphalt 1 mm thick on the asphalt mixture test pieces (300 ㅧ 300 ㅧ 50 mm) ℃ is the early time when the paint is not applied to the fingers when lightly putting the asphalt emulsion on the fingertip. The criterion of the quick hard tack coating is 90 minutes or less.
According to the test results shown in Table 6, it can be confirmed that the curing agent prepared according to the present invention is significantly faster in curing time than the commercialized emulsion type crack repairing agent.
A method (S10) for manufacturing a high-durability quick-curing room temperature type crack repairing agent having the above-described structure is a method of improving durability by using a liquid type latex and producing a curing liquid that reacts immediately with emulsified asphalt, By providing a durability rapid-curing room temperature type crack repair agent, it is possible to reduce the heating energy and the pollution gas such as carbon dioxide generated in the heating type crack repair agent, thereby shortening the construction preservation time as well as the environmental preservation time and improving the working environment of the worker.
In the method (S10) for manufacturing a high-durability quick-curing room temperature type crack repairing remover having the above-described structure, durability such as resistance to ultraviolet rays and adhesion can be increased and curing time can be accelerated by using a polymer latex.
The method (S10) for manufacturing a high-durability quick-curing room temperature type crack repairing agent having the above-described structure is capable of curing quickly by spraying and reacting a hardening solution to compensate for the shortcomings of the room temperature type crack repairing agent , Early construction and traffic opening are made possible, thereby reducing labor hours of workers and improving the traffic weight.
The embodiments of the present invention are not limited to the above-described apparatuses and / or methods, but may be implemented by a program for realizing functions corresponding to the configuration of the embodiment of the present invention, a recording medium on which the program is recorded, And such an embodiment can be easily implemented by those skilled in the art from the description of the embodiments described above.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It belongs to the scope of right.
100:
200: material mixing section
300: Additional material input part
S10: High-durability quick-curing room temperature type crack repair agent manufacturing method
S100: Material input step
S200: material mixing step
S300: Additional material input step
Claims (10)
A material mixing step of mixing the emulsified asphalt and the polymer latex supplied from the material input part in the material mixing part at a predetermined rotational speed; And
And a further material loading step of loading additional material from the additional material input part and transferring the additional material to the material mixing part.
100 parts by weight of emulsified asphalt and 1 to 20 parts by weight of a polymer latex are charged.
Wherein the penetration degree is 60 to 100 and the solid content is 65 to 70%.
At least one selected from the group consisting of butadiene latex, isoprene latex, natural rubber latex or styrene-butadiene rubber latex and acrylonitrile butadiene latex, styrene latex, modified styrene butadiene latex or modified butadiene latex is selected and used Wherein the crack-repairing agent is at least one selected from the group consisting of:
Wherein the average molecular weight is 400,000 g / mol or more and the solid content is 40 to 60%.
Wherein the emulsion asphalt and the polymer latex are mixed at a rotating speed of 200 to 2,000 rpm.
And 0.1 to 10 parts by weight of a curing liquid is added as an additional material.
And 5 parts by weight of a fluidizing agent for improving viscosity is added as an additional material.
Wherein at least one material selected from an ionic compound, an inert solid or an inorganic compound is mixed with water and used.
Wherein the water content is 60 to 95%.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100391234B1 (en) | 2002-10-28 | 2003-07-12 | Oat Construction Co Ltd | Composition for pavement/crack-repairing capable of being operated as thin film at room temperature, preparation thereof, and operation method using the same |
| KR101350363B1 (en) | 2011-04-28 | 2014-01-16 | 한국석유공업 주식회사 | Repairing method for asphalt pavement using modified asphalt emulsion |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100391234B1 (en) | 2002-10-28 | 2003-07-12 | Oat Construction Co Ltd | Composition for pavement/crack-repairing capable of being operated as thin film at room temperature, preparation thereof, and operation method using the same |
| KR101350363B1 (en) | 2011-04-28 | 2014-01-16 | 한국석유공업 주식회사 | Repairing method for asphalt pavement using modified asphalt emulsion |
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