KR101672952B1 - Elasticity injection composite for repairing concrete floor using modified unsaturated polyester resin and manufacturing method thereof - Google Patents
Elasticity injection composite for repairing concrete floor using modified unsaturated polyester resin and manufacturing method thereof Download PDFInfo
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- KR101672952B1 KR101672952B1 KR1020150150205A KR20150150205A KR101672952B1 KR 101672952 B1 KR101672952 B1 KR 101672952B1 KR 1020150150205 A KR1020150150205 A KR 1020150150205A KR 20150150205 A KR20150150205 A KR 20150150205A KR 101672952 B1 KR101672952 B1 KR 101672952B1
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/28—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/283—Polyesters
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/06—Oxides, Hydroxides
- C04B22/062—Oxides, Hydroxides of the alkali or alkaline-earth metals
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/06—Oxides, Hydroxides
- C04B22/068—Peroxides, e.g. hydrogen peroxide
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/08—Fats; Fatty oils; Ester type waxes; Higher fatty acids, i.e. having at least seven carbon atoms in an unbroken chain bound to a carboxyl group; Oxidised oils or fats
Abstract
More particularly, the present invention relates to a two-component unsaturated polyester type injection material composition comprising a base and a curing agent, wherein the base and the curing agent are mixed and then filled in a bottom crack of the concrete structure, The present invention relates to an elastic injector composition for concrete floor repair using a modified unsaturated polyester resin which is cured after being cured to absorb stresses applied to the structure to prevent recurrence of cracks and to provide long-term stability.
Description
More particularly, the present invention relates to a two-component unsaturated polyester type injection material composition comprising a base and a curing agent, wherein the base and the curing agent are mixed and then filled in a bottom crack of the concrete structure, The present invention relates to an elastic injector composition for concrete floor repair using a modified unsaturated polyester resin which is cured after being cured to absorb stresses applied to the structure to prevent recurrence of cracks and to provide long-term stability.
In general, concrete structures are cracked or partially destroyed due to constant load, vibration, impact, abrasion, and corrosion applied from the vehicle. When the damage is beyond a certain range, And the expense also increases exponentially.
Since the detachment of the structure surface or the occurrence of initial defects or cracks facilitates the movement of deterioration factors and promotes the progress of deterioration, it is necessary to carry out maintenance and reinforcement at the beginning of deterioration to further stabilize the performance of the reinforced concrete structure. And it is necessary to improve durability performance.
Therefore, after removing the concrete part including the deterioration factor such as detachment or detachment of the cross section of the structure due to deterioration of concrete, corrosion of steel, or other causes, .
Conventional cement mortar or polymer cement mortar repair materials are mainly used for the conventional section repair. Only the cracks are filled with the cracks and there is no adhesion. In the case of fully dried cracks or wet cracks, moisture required for the absorption or hydration reaction of the substrate Defects such as failure in curing due to overfeeding of the resin, detachment of the interface due to hardening shrinkage, and the like occur.
Urethane or epoxy, which is an organic material repairing material, has been used to solve these problems, but it is not necessarily sufficient for the permeability and adhesion to substrates such as building materials such as mortar, concrete, and stone. There is a problem in that strength and durability are insufficient because it is not penetrated to the deep portion of cracks in the voids or inside of the substrate.
Disclosure of Invention Technical Problem [8] The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a two-component unsaturated polyester type injection material composition comprising a main component and a hardening agent, which comprises mixing a main component and a hardening agent, filling the bottom crack of the concrete structure, The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide an elastic injector composition for concrete floor repair using a modified unsaturated polyester resin which prevents the recurrence of cracks and provides long-term stability.
According to an aspect of the present invention,
A two-component type unsaturated polyester-based concrete elastomer infusion composition for floor repair comprising: 45 to 99 parts by weight of a modified unsaturated polyester resin; 0.1 to 2.0 parts by weight of paraffin wax; 0.1 to 2.0 parts by weight of a curing accelerator; 0.5 to 5 parts by weight of a filler and 20 to 50 parts by weight of a filler are mixed with 0.5 to 6.0 parts by weight of a curing agent consisting of 50 to 100 parts by weight of an organic peroxide and 0.1 to 50 parts by weight of a plasticizer, Fill to cure.
The curing accelerator is at least one selected from the group consisting of cobalt naphthenate, copper naphthenate, calcium naphthenate, vanadium naphthenate, aromatic amines, tertiary amines and quaternary ammonium salts.
Here, the antifoaming agent may be selected from at least one solventless silicone antifoaming agent or at least one solventless antifoaming agent.
Here, the filler is at least one selected from the group consisting of aluminum hydroxide, calcium carbonate, aluminum oxide, magnesium oxide, and silicon dioxide.
Herein, the organic peroxide is selected from the group consisting of benzoyl peroxide, acetyl peroxide, dilauryl peroxide, di-tert-butyl peroxide, methyl ethyl ketone peroxide, cumyl hydroperoxide, hydrogen peroxide and potassium persulfate Or more.
Here, the plasticizer may be at least one selected from the group consisting of diisononyl phthalate, diisobutyl phthalate, dibutyl phthalate, benzyl butyl phthalate, dynomal octyl phthalate, diisodecyl phthalate, diethylhexyl phthalate and propylene carbonate More than species.
According to another aspect of the present invention,
A first step of producing a modified unsaturated polyester resin; 45 to 99 parts by weight of the modified unsaturated polyester resin, 0.1 to 2.0 parts by weight of paraffin wax, 0.1 to 2.0 parts by weight of a curing accelerator, 0.05 to 0.5 parts by weight of a defoaming agent and 20 to 50 parts by weight of a filler are mixed, A second step of mixing and producing a subject; 50 to 100 parts by weight of an organic peroxide, and 0 to 50 parts by weight of a plasticizer to prepare a curing agent; And a fourth step of mixing the curing agent in 100 parts by weight of the resin with 0.5 to 6.0 parts by weight of the curing agent to fill the crack at the bottom of the concrete.
Here, in the first step, the reactor is charged with 8.0 to 9.5 equivalents of propylene glycol (PG), polyhydric alcohol, 9.0 to 10.5 equivalents of ethylene glycol (EG), 12.5 to 14.0 equivalents of diethylene glycol (DEG), isophthalic acid 5.0 to 6.5 equivalents of adipic acid, 2.5 to 4.0 equivalents of adipic acid, 12.0 to 13.5 equivalents of phthalic anhydride (PAn) and 9.5 to 11.0 equivalents of maleic anhydride (MAn), which are unsaturated base acids, And reacting the mixture at a reaction temperature of 210 to 220 占 폚 in a nitrogen atmosphere to prepare a modified unsaturated polyester resin; 1-2 steps of adding 0.005 to 0.02 parts by weight of a polymerization inhibitor to 100 parts by weight of the modified unsaturated polyester resin while cooling the modified unsaturated polyester resin; 1-3 steps of adding 50 to 70 parts by weight of a styrene monomer (SM) to 100 parts by weight of the modified unsaturated polyester resin at a temperature of 140 to 150 ° C. after mixing is completed; And when the dilution is completed, 0.1 to 2.0 parts by weight of the curing accelerator is added to 100 parts by weight of the modified unsaturated polyester resin to prepare the modified unsaturated polyester resin.
Here again, the catalyst is hydrate monobutyl tin oxide or dibutyl tin oxide.
Here, the polymerization inhibitor is at least one or more selected from the group consisting of hydroquinone, toluohydroquinone, methylhydroquinone, para-t-butyl catacol, phenol thiazine, chloriranyl and triphenylphosphine.
Here, the curing accelerator is at least one or more selected from the group consisting of cobalt naphthenate, copper naphthenate, calcium naphthenate, vanadium naphthenate, aromatic amines, tertiary amines and quaternary ammonium salts .
According to the elastic infusion composition for concrete floor repair using the modified unsaturated polyester resin of the present invention having the above-described structure, the cement mortar concrete reinforced concrete is bonded to the reinforced concrete with strong adhesive force so as not to peel off and the structural stability, durability, Providing waterproofing gives excellent effect on maintenance of concrete structure.
1 is a graph showing the adhesive strengths of Examples 1 to 3 and Comparative Examples 1 to 3 according to Experimental Examples of the present invention.
2 is a graph showing tensile strengths of Examples 1 to 3 and Comparative Examples 1 to 3 according to Experimental Examples of the present invention.
3 is a graph showing the elongation at break of tensile failure of Examples 1 to 3 and Comparative Examples 1 to 3 according to Experimental Examples of the present invention.
4 is a graph showing the curing shrinkage ratios of Examples 1 to 3 and Comparative Examples 1 to 3 according to Experimental Examples of the present invention.
Hereinafter, the elastic infusion composition for concrete floor repair using the modified unsaturated polyester resin according to the present invention will be described in detail.
In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions of the present invention, and these may be changed according to the intention of the user, the operator, or the like. Therefore, the definition should be based on the contents throughout this specification.
First, the elastic injector composition for repairing a concrete floor using the modified unsaturated polyester resin of the present invention is mixed with 0.5 to 6.0 parts by weight of a curing agent per 100 parts by weight of the subject, and injected into a concrete structure crack and cured.
The subject is mixed with 45 to 99 parts by weight of a modified unsaturated polyester resin, 0.1 to 2.0 parts by weight of paraffin wax, 0.1 to 2.0 parts by weight of a curing accelerator, 0.05 to 0.5 parts by weight of a defoaming agent and 20 to 50 parts by weight of a filler.
First, the paraffin wax is in a solid form, and when it is mixed at less than 0.1 part by weight, there is no effect. When the amount exceeds 2 parts by weight, the air layer is blocked, so that the curing reaction is accelerated and the pot life can be shortened.
The curing accelerator may be in the form of powder or liquid and may be at least one selected from the group consisting of cobalt naphthenate, copper naphthenate, calcium naphthenate, vanadium naphthenate, aromatic amines, tertiary amines and quaternary ammonium salts Mixing less than 0.1 part by weight may lead to longer pot life and unreacted materials, and mixing more than 2.0 parts by weight may lead to shortening of the working time of the adhesive and lowering of the adhesive strength .
The defoaming agent is in a liquid state, and one or more non-solvent silicone defoaming agents or non-solvent-based non-silicone defoaming agents are selected and used. When the amount of the defoaming agent is less than 0.05 parts by weight, the effect of defoaming agent can not be exhibited. It is uneconomical because there is no further growth.
The filler is in the form of powder, and at least one selected from the group consisting of aluminum hydroxide, calcium carbonate, aluminum oxide, magnesium oxide and silicon dioxide is mixed, and when mixed at less than 20 parts by weight, the thermal physical strength is lowered , The effect of weatherability is insufficient, and when it is mixed in an amount exceeding 50 parts by weight, workability is poor due to an increase in unit price and an increase in viscosity, and it is difficult to obtain desired physical properties.
On the other hand, as the curing agent, 50 to 100 parts by weight of an organic peroxide and 0.1 to 50 parts by weight of a plasticizer are mixed. In this case, the curing agent serves to initiate the reaction and is preferably an organic peroxide which generates radicals by breaking of a single bond easily by thermal decomposition.
First, the organic peroxide is in a liquid state,
At least one member selected from the group consisting of benzoyl peroxide, acetyl peroxide, dilauryl peroxide, di-tert-butyl peroxide, methyl ethyl ketone peroxide, cumyl hydroperoxide, hydrogen peroxide and potassium persulfate When less than 50 parts by weight of the composition is mixed, the reactivity of the composition is lowered and the material separation phenomenon occurs, and the strength is also lowered. When the amount exceeds 100 parts by weight, the reactivity increases and the viscosity of the composition increases, There is a drawback in that the property is deteriorated.
The plasticizer is in a liquid state and is at least one selected from the group consisting of diisononyl phthalate, diisobutyl phthalate, dibutyl phthalate, benzyl butyl phthalate, dynomal octyl phthalate, diisodecyl phthalate, diethylhexyl phthalate and propylene carbonate There is a disadvantage in that it is not effective when mixed at less than 0.1 part by weight, and material separation phenomenon easily occurs when mixing is more than 50 parts by weight.
Hereinafter, a method for producing an elastic injector composition for concrete floor repair using the modified unsaturated polyester resin according to the present invention will be described in detail.
&Quot; First step &
First, 8.0 to 9.5 equivalents of propylene glycol (PG) as a polyhydric alcohol, 9.0 to 10.5 equivalents of ethylene glycol (EG), 12.5 to 14.0 equivalents of diethylene glycol (DEG) and 5.0 to 6.5 equivalents of isophthalic acid (IPA) 2.5 to 4.0 equivalents of adipic acid, 12.0 to 13.5 equivalents of phthalic anhydride (PAn), and 9.5 to 11.0 equivalents of maleic anhydride (MAn) which is an unsaturated basic acid are fed into a flask under a nitrogen atmosphere At a reaction temperature of 210 to 220 ° C to prepare a modified unsaturated polyester resin (Step 1-1).
When the acid value exceeds 30, the molecular weight of the modified unsaturated polyester resin is lowered, the unreacted polybasic acid is present, the strength of the resin is lowered, and the whitening phenomenon of the resin becomes severe And the acid value is preferably adjusted to 25 to 30.
If the amount of propylene glycol (PG) or ethylene glycol (EG) is less than the above-mentioned equivalent range, the cured product may become hard and may be easily broken due to impact. When the amount exceeds the equivalent range described above, the styrene monomer ) May be lowered or the hardened product may be softened and the strength may be lowered.
In addition, adipic acid has the role of increasing the toughness of the product and imparting the required impact strength by using the above-mentioned equivalent weight range.
When the amount of the phthalic anhydride (PAn) is less than 12 equivalents, the elasticity of the cured product decreases, and when the equivalent amount exceeds 13.5 equivalents, the impact strength of the cured product decreases.
When the amount of maleic anhydride (MAn) is less than 9.5 equivalents, the impact strength of the cured product is lowered. When the amount exceeds 11.0 equivalents, the elasticity of the cured product is decreased.
The catalyst may be hydrate monobutyltin oxide or dibutyltin oxide. If the amount is less than 0.05 part by weight, the reaction time may be increased. If the amount is more than 0.5 part by weight, an unnecessary excess amount may be added to affect the final properties.
Subsequently, when the reaction temperature is lower than 210 ° C, the desired reaction is not performed and unreacted materials may be formed. If the reaction temperature is higher than 220 ° C, excessive physical properties can not be obtained due to excessive reaction of the resin, and gelation may occur.
Then, 0.005 to 0.02 part by weight of a polymerization inhibitor is added to 100 parts by weight of the modified unsaturated polyester resin while cooling the modified unsaturated polyester resin (1-2 step).
At this time, the polymerization inhibitor prevents the resin from being gelled by breakage of the double bond due to heating during the synthesis of the resin, and in order to maintain the stability of the resin containing the styrene monomer diluent, hydroquinone, toluhydroquinone, methylhydroquinone, When any one selected from among butyl caracol, phenol thiazine, chloranil and triphenyl phosphine is mixed and mixed in an amount of less than 0.005 part by weight, the resin is gelled by destruction of the double bond due to heating during the synthesis of the modified unsaturated ester resin When the amount of the unsaturated polyester resin is more than 0.02 part by weight, the curing time of the modified unsaturated ester resin may be shortened and unreacted materials may be generated.
When the mixing is completed, 50 to 70 parts by weight of a styrene monomer (SM) is added to 100 parts by weight of the modified unsaturated polyester resin at a temperature of 140 to 150 ° C to dilute (step 1-3).
When the styrene monomer (SM) is added in an amount of less than 50 parts by weight, the viscosity of the resin may increase, which may result in a limitation in the use of fillers or the like which may improve the physical properties. When the amount exceeds 70 parts by weight, Can be reduced.
When the dilution temperature is lower than 140 캜, the viscosity increases and the dilution time becomes longer, which decreases the process efficiency. When the temperature is higher than 150 캜, addition reaction of the styrene monomer (SM) occurs.
When the dilution is completed, 0.1 to 2.0 parts by weight of a curing accelerator is added to 100 parts by weight of the modified unsaturated polyester resin to prepare a modified unsaturated polyester resin (Step 1-4).
At this time, the curing accelerator is at least one or more selected from the group consisting of cobalt naphthenate, copper naphthenate, calcium naphthenate, vanadium naphthenate, aromatic amines, tertiary amines and quaternary ammonium salts, If the amount is less than 2.0 parts by weight, the curing time is delayed and the workability is affected. When the amount exceeds 2.0 parts by weight, hardening time control is difficult and sudden heat generation is caused, .
&Quot; Second step &
45 to 99 parts by weight of the produced modified unsaturated polyester resin, 0.1 to 2.0 parts by weight of paraffin wax, 0.1 to 2.0 parts by weight of a curing accelerator and 0.05 to 0.5 parts by weight of a defoaming agent were mixed at a rate of 400 rpm for 10 minutes or more, By weight is dispersed in a blender at a speed of 1000 rpm for 30 minutes or more to prepare a subject.
&Quot; Third step &
When the subject production is completed, 50-100 parts by weight of an organic peroxide and 0-50 parts by weight of a plasticizer are mixed in a separate blender at 400 rpm for 10 minutes or more.
&Quot; Fourth step &
Then, the curing agent is mixed with 0.5 to 6.0 parts by weight of the curing agent in 100 parts by weight of the subject and cured in about 2 hours by filling the bottom crack with an injector or an injection pump (not shown).
Hereinafter, the present invention will be described in more detail with reference to Experimental Examples. The present Experimental Examples are intended to illustrate the present invention more specifically through the most preferred embodiments, and the scope of the present invention is not limited to Experimental Examples.
Examples 1 to 3 are the modified unsaturated polyester resins of the present invention, and KW-32K of Comparative Examples 1 to 3 is an unsaturated polyester resin produced and sold by Aikyou Chemical Co., Ltd. And one of the polyester resins is selected.
Table 2 below shows the adhesive strength, tensile strength, compressive strength, elongation at break, and cure shrinkage ratio according to the method of KS F 4923 by mixing the base and the curing agent in the formulation shown in Table 1 above.
1 to 4 are graphs showing the adhesive strength, tensile strength, elongation at break and tensile shrinkage of Examples 1 to 3 and Comparative Examples 1 to 3 of the present invention.
As can be seen from Table 2 and FIGS. 1 to 4, it can be seen that Examples 1 to 3 of the present invention have higher adhesive strength, tensile strength, elongation at break and lower curing shrinkage than Comparative Examples 1 to 3 , Thereby providing a strong adhesive force so that peeling does not occur and can provide structural stability, durability and waterproofing.
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 is to be understood, however, that the invention is not to be limited to the specific forms thereof, which are to be considered as being limited to the specific embodiments, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims. .
Claims (11)
The composition may comprise,
The reactor was charged with 8.0 to 9.5 equivalents of propylene glycol (PG) as a polyhydric alcohol, 9.0 to 10.5 equivalents of ethylene glycol (EG), 12.5 to 14.0 equivalents of diethylene glycol (DEG), 5.0 to 6.5 equivalents of isophthalic acid (IPA) 2.5 to 4.0 equivalents of adipic acid, 12.0 to 13.5 equivalents of phthalic anhydride (PAn) and 9.5 to 11.0 equivalents of maleic anhydride (MAn) which is an unsaturated basic acid are fed into a reactor and the catalyst is added in an amount of 0.05 to 0.5 part by weight, 45 to 99 parts by weight of a modified unsaturated polyester resin produced by reacting at 210 to 220 캜, 0.1 to 2.0 parts by weight of paraffin wax, 0.1 to 2.0 parts by weight of a curing accelerator, 0.05 to 0.5 parts by weight of a defoaming agent and 20 to 50 parts by weight of a filler And 0.5 to 6.0 parts by weight of a curing agent consisting of 50 to 100 parts by weight of an organic peroxide and 0.1 to 50 parts by weight of a plasticizer,
The curing accelerator,
At least one member selected from the group consisting of cobalt naphthenate, copper naphthenate, calcium naphthenate, vanadium naphthenate, aromatic amines, tertiary amines and quaternary ammonium salts,
The anti-
Silicone antifoaming agent for non-solvent or non-silicone antifoaming agent for non-solvent is selected and used.
The filler material,
Aluminum hydroxide, aluminum carbonate, calcium carbonate, aluminum oxide, magnesium oxide, silicon dioxide,
The organic peroxide,
At least one selected from the group consisting of benzoyl peroxide, acetyl peroxide, dilauryl peroxide, di-tert-butyl peroxide, methyl ethyl ketone peroxide, cumyl hydroperoxide, hydrogen peroxide and potassium persulfate,
The above-
Is at least one or more selected from the group consisting of diisobutyl phthalate, diisobutyl phthalate, diisobutyl phthalate, dibutyl phthalate, dibutyl phthalate, benzyl butyl phthalate, dynomal octyl phthalate, diisodecyl phthalate, diethylhexyl phthalate and propylene carbonate Elastic infusion composition for repairing concrete floor using unsaturated polyester resin.
45 to 99 parts by weight of the modified unsaturated polyester resin, 0.1 to 2.0 parts by weight of paraffin wax, 0.1 to 2.0 parts by weight of the curing accelerator and 0.05 to 0.5 parts by weight of a defoaming agent are mixed and then 20 to 50 parts by weight of a filler are further mixed to prepare a subject A second step;
50 to 100 parts by weight of an organic peroxide, and 0 to 50 parts by weight of a plasticizer to prepare a curing agent; And
Mixing the 100 parts by weight of the above-mentioned curing agent with 0.5 to 6.0 parts by weight of the above-mentioned curing agent to fill the crack at the bottom of the concrete,
The catalyst may comprise,
Hydrate monobutyl tin oxide or dibutyl tin oxide,
The polymerization inhibitor may be,
At least one or more selected from the group consisting of hydroquinone, toluohydroquinone, methylhydroquinone, para-t-butyl catacol, phenol thiazine, chloranil and triphenylphosphine,
The curing accelerator,
Wherein the modified unsaturated polyester resin is at least one or more selected from the group consisting of cobalt naphthenate, copper naphthenate, calcium naphthenate, vanadium naphthenate, aromatic amines, tertiary amines and quaternary ammonium salts A method for manufacturing an elastic injector composition for repairing a concrete floor using the method.
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| KR102475507B1 (en) * | 2022-09-22 | 2022-12-12 | 미래피앤씨(주) | Unsaturated MMA resin composition and manufacturing method for asphalt repair containing synthetic MMA resin and road surface construction method using the same |
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