KR20160132324A - ozone water treatment structure of the water-bearing reinforcement scheme manufacture method - Google Patents

Abstract

Provided are an ozone resistant attachment type waterproof and corrosion proof reinforcing agent for a water treatment structure, and a preparation method thereof. The waterproof and corrosion proof reinforcing agent increases reliability of water purification with respect to resistance against ozone and use of environment-friendly material, and has excellent adhesive strength to an object to be waterproof and corrosion proof, mechanical strength, and the like, thereby being capable of reinforcing a water treatment structure. The ozone resistant attachment type waterproof and corrosion proof reinforcing agent comprises: a high-tension fiber composed of a basalt fiber, or a basalt fiber and a heterogeneous fiber; a thermosetting resin; a low-shrinking agent; a high-temperature curing agent; a low-temperature curing agent; a filler; a reaction type diluent; an ozone thermal deterioration protecting agent; a releasing agent; a silane coupling agent; an antifoamer; and an ozone-resistant veil.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ozone-resistant water-

The present invention relates to an ozone-resistant waterproof type stiffener of a water treatment structure using ozone of water supply and drainage, and a method of manufacturing the ozone resistant waterproof type stiffener. More particularly, the present invention relates to an ozone- To an ozone-resistant waterproof type stiffener and a method of manufacturing the same.

Recently, many methods of using ozone in water and sewage have been developed due to deterioration of water quality.

Purification of water by ozone is widely used for high water treatment such as deodorization of sewage, decoloration and sterilization, decolorization treatment of dyeing industry, and disinfection treatment of food industry.

Since ozone has a strong oxidizing power, it is used in various applications described above and exhibits excellent effects.

However, ozone treatment produces ozone molecules that form stable oxygen molecules and one oxygen radical in water, then decompose the water molecules of polarity to produce two hydroxyl radicals (OH-), which are much stronger than ozone And the oxidation reaction of the waterproofing material is accelerated. Therefore, the existing waterproofing material has a strong oxidizing power under the ozone environment, resulting in deterioration of the durability of the waterproofing material as well as the water purification, resulting in dissolution, cracking, discoloration and dropout.

Since the water treatment plant that performs ozone treatment is continuously exposed to ozone conditions, it is difficult to secure the safety of water purification and increase the maintenance cost when the waterproof agent is applied, and a separate construction is required for the reinforcement .

Patent Registration No. 10-1338338 (Registered on December 3, 2013)

Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide an ozone generator which can increase the reliability of ozone and the purification of water due to the use of an environmentally friendly material, The present invention provides an ozone-resistant, waterproof type stiffener and a method of manufacturing the ozone-resistant waterproof type stiffener of a water treatment structure capable of reinforcing a water treatment structure.

To achieve the above object, the ozone-resistant waterproof type stiffener of the present invention comprises 55 to 81% by weight of high-tensile fibers composed of basalt fiber, basalt fiber and heterogeneous fiber, 13 to 31% by weight of thermosetting resin, A reactive diluent, 0.2 to 0.3% by weight, an ozone deterioration inhibitor of 0.5 to 1.3% by weight, a mold release agent, and a mold release agent, in an amount of 0.1 to 5% by weight, 0.1 to 0.4% by weight of a silane coupling agent, 0.01 to 0.35% by weight of a silane coupling agent, 0.14 to 0.2% by weight of an antifoaming agent and 0.06 to 0.1% by weight of an ozone-resistant veil, wherein the thermosetting resin is selected from the group consisting of Endomethylenehexachlorophtalic acid, The reactive diluent is composed of any one of styrene monomer, vinyl acetate and methyl acrylate, and the ozone deterioration inhibitor is at least one selected from the group consisting of N- (1, 3-dimethylbutyl) -N'-phenyl-p-phenylenediamine (6PPD) and 2,4,6-tris- (N-1,4-dimethylpentyl-p-phenylenediamino) -1,3,5-triazine Wherein the silane coupling agent is one selected from the group consisting of a methacryloyl clock silane coupling agent, an epoxy silane coupling agent, an amine silane coupling agent, a styryl silane coupling agent, an acryl lock time silane coupling agent, and a vinyl silane coupling agent Wherein the ozone-resistant bale is characterized in that one of the polyvinyl chloride-based bale and the polyester-based bale is selectively used.

In order to accomplish the above object, the present invention also provides a method of manufacturing an ozone-resistant, waterproof type stiffener for ozone-resistant waterproofing of a water treatment structure according to claim 1, A resin composition comprising a polyvinyl acetate-based water-reducing agent, a high-temperature curing agent, a low-temperature curing agent, an aluminum hydroxide filler, a reactive diluent, an ozone deterioration inhibitor, a releasing agent, a silane coupling agent and a defoaming agent; Impregnating the resin composition with fibers in the form of a roving-type high tenacity fiber, a woven or webbing tape, and an ozone-resistant bale; A method of manufacturing an ozone-resistant, waterproof type stiffener for a water treatment structure, comprising the steps of: impregnating a high-sheer fiber with a roving shape, a fabric of a weaving type or webbing tape, and an ozone-resistant bale into a mold and molding at 80 to 180 ° C; Continuously withdrawing the ozone-resistant, waterproof type stiffener of the water treatment structure; Cutting the ozone-resistant attachment type waterproofing type stiffener of the drawn water treatment structure to a predetermined size; An eco-friendly adhesive is sprayed on the ozone-resistant adhesive waterproofing type stiffener of the water treatment structure, the polyethylene-based nonwoven fabric is adhered to the eco-friendly adhesive using a compression roller, and then passed through a hot air chamber at 30 to 80 ° C The method comprising the steps of:

INDUSTRIAL APPLICABILITY As described above, the ozone-resistant waterproof type stiffener of the present invention and its manufacturing method have the following effects.

First, the present invention is to improve the durability of existing waterproofing materials due to lack of ozone resistance, thereby reducing the maintenance cost, securing drinking water stability, reinforcing the inner wall of the water treatment structure, and contributing to enhancement of the durability of the water treatment structure .

Second, the present invention has an advantage in contributing to the reduction of durability due to lack of ozone resistance of existing waterproofing materials, thereby reducing the maintenance cost and securing the stability of drinking water in construction and maintenance.

Thirdly, according to the present invention, it is possible to shorten the construction period and reinforce the water treatment structure by the reinforcing material by installing the lightweight waterproofing reinforcement material compared to the waterproofing material of the existing water treatment structure.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing an ozone-resistant, waterproof type stiffener construction process of a water treatment structure according to the present invention;

Hereinafter, the present invention will be described in detail.

The ozone-resistant waterproof type stiffener of the water treatment structure according to the present invention is composed of 55 to 81% by weight of high-tensile fiber composed of basalt fiber or basalt fiber and heterogeneous fiber, 13 to 31% by weight of thermosetting resin, 3.4 to 9.2% 0.2 to 0.35 weight% of a high temperature hardening agent, 0.25 to 0.45 weight% of a low temperature hardening agent, 0.85 to 1.7 weight% of a filler, 0.2 to 0.3 weight% of a reactive diluent, 0.5 to 1.3 weight% of an ozone deterioration inhibitor, 0.1 to 0.4 weight% 0.01 to 0.35% by weight of a coupling agent, 0.14 to 0.2% by weight of a defoaming agent, and 0.06 to 0.1% by weight of an ozone-resistant veil.

In addition, the ozone-resistant waterproof type stiffener of the present invention comprises 50 to 75 wt% of basalt fiber, 5 to 6 wt% of interlayer fiber, 13 to 31 wt% of thermosetting resin, 3.4 to 9.2 wt% of water- 0.2 to 0.35 wt% of a curing agent, 0.25 to 0.45 wt% of a low temperature curing agent, 0.85 to 1.7 wt% of a filler, 0.2 to 0.3 wt% of a reactive diluent, 0.5 to 1.3 wt% of an ozone deterioration inhibitor, 0.1 to 0.4 wt% 0.01 to 0.35% by weight of an antifoaming agent, 0.14 to 0.2% by weight of an antifoaming agent, and 0.06 to 0.1% by weight of an ozone-resistant veil.

Here, the high-tensile fibers use basalt fibers to maintain water quality and purification performance.

The basalt fiber is produced by melting basalt. The chemical additives added in the production of other fibers are not added, so that water quality stability of the water treatment plant can be maintained.

In addition, a fiber layer including glass fibers, carbon fibers, and aramid fibers or webbing tape or woven fabric using the fibers may be optionally composed of the interlayer fiber.

The fibrous layer is formed by applying a resin composition containing a thermosetting resin, a polyvinyl acetate-based water-reducing agent, a high-temperature curing agent, a low-temperature curing agent, a filler, a diluent, an ozone deterioration inhibitor, a silane coupling agent and a defoaming agent to the ozone- Type stiffener, and contains an ozone-resistant bale at the uppermost portion in contact with moisture.

On the other hand, the ozone-resistant waterproof type stiffener of the water treatment structure is composed of 55 to 81% by weight of high-tensile fiber when used alone, 50 to 75% by weight of basalt fiber and 5 to 6% Wherein the reactive diluent is used in an amount of 0.1 to 3 wt%, the resin is used in an amount of 13 to 31 wt%, the water reducing agent is used in an amount of 3.4 to 9.2 wt%, the high temperature curing agent is used in an amount of 0.2 to 0.35 wt%, the low temperature curing agent is used in an amount of 0.25 to 0.45 wt% 0.1 to 0.4% by weight of a release agent, 0.01 to 0.35% by weight of a silane coupling agent, 0.14 to 0.2% by weight of a defoaming agent, and 0.06 to 0.1% by weight of an ozone-resistant veil.

Here, the thermosetting resin has a dense structure against the deterioration due to ozone oxidizing power, and has a modified structure containing one of Endomethylenehexachlorophtalic acid, fluorine-containing acrylate and fluorine-containing methacrylate in unsaturated polyester Unsaturated polyester can be used. The water-reducing agent can be selected from the group consisting of polystyrene, polymethyl methacrylate, methyl methacrylate copolymer, polyvinylacetate copolymer, saturated polyester, vinyl chloride, polycaprolactone, cellulose acetate butyrate, modified polyurethane And styrene-butadiene elastomer. Among them, unsaturated polyester including one of Endomethylenehexachlorophtalic acid, fluorine-containing acrylate and fluorine-containing methacrylate is preferable.

The reactive diluent is preferably an acryl system such as styrene monomer, vinyl acetate, methyl methacrylate, or the like having a double bond structure at the molecular end of the monomer.

Particularly, as a reactive diluent, it is preferable to add a small amount of a styrene monomer.

As the filler, an organic filler, an inorganic filler or an inorganic flame retardant may be used as a filler, and aluminum hydroxide is particularly preferably used.

In addition, reactive diluents, antifoaming agents, and releasing agents are added.

The ozone deterioration inhibitor may be at least one selected from the group consisting of phenylenediamine-based 1,3-dimethylbutyl N- phenylphenylenediamine (6PPD), 2,4,6-tris- -dimethylpentyl-p-phenylenediamino) -1,3,5-triazine (TAPDT) and 2-chloro-1,3-butadiene.

Particularly, it is preferable to use a phenylene diamine series.

On the other hand, the ozone-resistant waterproofing type stiffener of the water treatment structure according to the present invention enhances the surface strengthening and smoothness of the product and increases moisture resistance, chemical resistance and ozone resistance during manufacture by using an ozone-

As the ozone-resistant bale, it is preferable to use a polyfluoroethylene-based veil and a polyester-based veil.

The silane coupling agent enhances the adhesive strength between the organic resin and the inorganic fiber to enhance water repellency and ozone resistance, and exhibits high tensile strength.

Examples of the silane coupling agent may include an epoxy silane coupling agent, an amine silane coupling agent, a styryl silane coupling agent, a methacryloyl clock silane coupling agent, an acrylic rock clock silane coupling agent, and a vinyl silane coupling agent. It is preferable to use a siloxane silane coupling agent.

In addition, after manufacturing the ozone-resistant waterproof type stiffener of the water treatment structure according to the present invention, the polyethylene-based nonwoven fabric adhesive may be added to the bottom to increase the adhesive strength according to the site conditions.

Here, the polyethylene-based nonwoven fabric is produced by spraying an environmentally friendly adhesive onto the produced waterproofing reinforcement, bonding the polyethylene nonwoven fabric to the environmentally friendly adhesive using a compression roller, passing through a hot air chamber at 30 to 80 ° C do.

On the other hand, the thickness of the ozone-resistant waterproof type stiffener of the water treatment structure according to the present invention can be variously manufactured according to the use thereof, and it is generally preferable to have a thickness of about 3 to 7 mm.

Hereinafter, the manufacture of ozone-resistant, waterproof type stiffeners of the water treatment structure according to the present invention will be described.

The method for manufacturing the ozone-resistant waterproof type reinforcement of the water treatment structure according to the present invention is a method for manufacturing the ozone-resistant waterproof type reinforcement material of a water treatment structure comprising a modified unsaturated polyester thermosetting resin, a polyvinyl acetate-based water reducing agent, a high temperature hardening agent, a low temperature hardening agent, an aluminum hydroxide filler, A resin composition comprising a release agent, a silane coupling agent, and a defoaming agent; Impregnating the resin composition with fibers in the form of a roving high tenacity fiber and a fabric in the form of a woven or webbing tape and an ozone-resistant bale; Impregnated roving-type high tensile fibers, fibers in the form of a woven or webbing tape, and ozone-resistant bale are molded into a mold at a temperature of 80 to 180 ° C to produce 55 to 81% by weight of high- Wherein the fibers are used in an amount of from 50 to 75% by weight of basalt fibers, from 5 to 6% by weight of interlayer fibers, from 13 to 31% by weight of thermosetting resin, from 3.4 to 9.2% by weight of water- The ozone deterioration inhibitor is preferably used in an amount of 0.85 to 1.7 wt%, the reactive diluent is used in an amount of 0.2 to 0.3 wt%, the ozone deterioration inhibitor is used in an amount of 0.5 to 1.3 wt%, the release agent is used in an amount of 0.1 to 0.4 wt%, the silane coupling agent is used in an amount of 0.01 to 0.35 wt% Preparing an ozone-resistant, waterproof type stiffener of a water treatment structure including 0.06 to 0.1% by weight of a veil; Continuously withdrawing the ozone-resistant, waterproof type stiffener of the water treatment structure; And cutting the ozone-resistant attachment type waterproofing type stiffener of the drawn water treatment structure to a predetermined size.

Also, a step of adhering a polyethylene-based nonwoven fabric to the ozone-resistant, waterproof type stiffener of the water treatment structure according to the site condition is added.

The polyethylene-based nonwoven fabric is produced by spraying an environmentally friendly adhesive onto the produced waterproofing reinforcement, bonding the polyethylene nonwoven fabric to the environmentally friendly adhesive using a compression roller, and then passing through a hot air chamber at 30 to 80 캜.

Hereinafter, the manufacturing of the ozone-resistant, waterproof type stiffener of the water treatment structure according to the present invention will be described in detail.

1. Ozone resistance of water treatment structure

Modified unsaturated polyester resin containing one kind of endomethylenehexachlorophtalic acid, fluorine-containing acrylate and fluorine-containing methacrylate, polyvinyl acetate-based water-reducing agent, high temperature hardener, low temperature hardener, filler, diluent, phenylene diamine ozone deterioration inhibitor, , A silane coupling agent and a defoaming agent are mixed to prepare a resin composition.

A roving-type high-tensile fiber, a fabric-type or webbing tape fiber, and an ozone-resistant bale are respectively prepared in a roving mount, a weaving type webbing tape mount and an ozone-resistant bail mount.

In the preparation stage, each material is composed of 55 to 81% by weight of high-tensile fiber when used alone, and 50 to 75% by weight of basalt fiber and 5 to 6% by weight of intercalated fiber when using basalt fiber alone or basalt fiber, % Of a thermosetting resin, 13 to 31 wt% of a thermosetting resin, 3.4 to 9.2 wt% of a water-reducing resin, 0.2 to 0.35 wt% of a high temperature hardening agent, 0.25 to 0.45 wt% of a low temperature hardening agent, 0.85 to 1.7 wt% 0.5 to 1.3% by weight of an ozone deterioration inhibitor, 0.1 to 0.4% by weight of a release agent, 0.01 to 0.35% by weight of a silane coupling agent, 0.14 to 0.2% by weight of an antifoaming agent and 0.06 to 0.1% by weight of ozone-resistant bale.

The roving-type high-tensile fibers are passed through a primary fiber guide and then transported to an impregnation tank containing the resin composition together with a weft-type or webbing tape fiber and an ozone-resistant bale.

2. Impregnation step

The roving-type high tenacity fiber, the weave-type or webbing tape fiber and the ozone-resistant bale are passed through the impregnation bath so that the resin composition is impregnated with the fiber in a layered manner.

At this time, a resin pump is installed so that the resin that has exited from the impregnation tank can be filled in the impregnation tank again so that the resin can be continuously supplied to the impregnation tank.

The impregnated fiber is passed through a secondary fiber guide and then transported to a mold.

3. Forming step

The rolled roving type high tensile fiber, the weave type webbing tape fiber and the ozone-resistant bale are put into the mold and compression-molded at a high temperature of 120 to 180 ° C to form a waterproof type reinforcement material.

At this time, a heater is provided at the upper and lower portions of the mold, and a temperature control device is provided so as to maintain a constant temperature.

4. Draw step

In the drawing step, the ozone-resistant, waterproof type stiffener of the manufactured water treatment structure is continuously pultruded by using first and second drawers to continuously produce the products.

5. Cutting step

The ozone-resistant waterproofing type stiffener of the manufactured water treatment structure is cut into a desired shape and size with a cutting machine to produce an ozone-resistant waterproof type stiffener of the water treatment structure.

6. Polyethylene Nonwoven Bonding Step

Ozone resistance of water treatment structure Adhesive type of waterproofing method It is a step of bonding a polyethylene nonwoven fabric to the adhesion surface of a stiffener, and a polyethylene nonwoven fabric is adhered to the adhesion surface in order to improve the adhesion performance of the adhesion surface. .

The polyethylene-based nonwoven fabric is produced by spraying an environmentally friendly adhesive onto the produced waterproof fabric, bonding the polyethylene nonwoven fabric to the environmentally friendly adhesive using a compression roller, and then passing through a hot air chamber at 30 to 80 ° C.

Hereinafter, construction of the ozone-resistant, waterproof type stiffener of the water treatment structure according to the present invention having the above-described structure and manufacturing will be described.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view illustrating an ozone-resistant, waterproof type stiffener construction process of the water treatment structure according to the present invention.

As shown in this drawing, the ozone-resistant, waterproof type stiffener construction method of the water treatment structure according to the present invention comprises the steps of arranging the deteriorated part and the concave-convex part of the concrete base surface 10 of the object water treatment structure; Applying a resin adhesive (20) to the cleaned concrete surface (10); Installing a waterproof stiffener (30) on the resin adhesive (20); And installing joints (40) between the waterproof stiffeners (30).

Here, the resin adhesive (20) is composed of 58 to 60% by weight of a diglycidyl ether of bisphenol A, 6 to 8% by weight of an aliphatic glycidyl ether, a polyoxypropylene diamine 25 to 80% by weight of an organic adhesive composed of 3 to 4% by weight of polyoxypropylenediamine, 10 to 11% by weight of a modified aliphatic amine and 20 to 21% by weight of PaMAM (polyamidoamine) 20 to 75% by weight of an inorganic filler which is optionally used in at least one kind selected from the group consisting of citrus, cement and stones.

The waterproof stiffener 30 comprises 55 to 81% by weight of a high-tensile fiber composed of basalt fiber or basalt fiber and 20 to 30% by weight of a thermosetting resin, 3.4 to 9.2% by weight of a water- 0.2 to 0.3 wt% of a reactive diluent, 0.5 to 1.3 wt% of an ozone deterioration inhibitor, 0.1 to 0.4 wt% of a release agent, 0.01 to 0.35% of a silane coupling agent, 0.35 to 0.45 wt% of a low temperature hardener, 0.85 to 1.7 wt% 0.14 to 0.2% by weight of an antifoaming agent, and 0.06 to 0.1% by weight of an ozone-resistant veil.

The waterproof stiffener 30 is composed of 50 to 75% by weight of basalt fiber, 5 to 6% by weight of interlayer fibers, 13 to 31% by weight of a thermosetting resin, 3.4 to 9.2% by weight of a waterproofing agent, 0.2 to 0.35% 0.25 to 0.45% by weight of a low temperature curing agent, 0.85 to 1.7% by weight of a filler, 0.2 to 0.3% by weight of a reactive diluent, 0.5 to 1.3% by weight of an ozone deterioration inhibitor, 0.1 to 0.4% by weight of a release agent, 0.01 to 0.35% 0.14 to 0.2% by weight, and ozone-resistant veil of 0.06 to 0.1% by weight.

Here, the high-tensile fibers use basalt fibers to maintain water quality and purification performance.

Further, a fiber layer including glass fibers, carbon fibers, and aramid fibers or a webbing tape or a woven fabric using the fibers may be optionally composed of the interlayer fibers.

The fibrous layer is formed by applying a resin composition including a thermosetting resin, a polyvinyl acetate-based water-reducing agent, a high-temperature curing agent, a low-temperature curing agent, a filler, a diluent, an ozone deterioration inhibitor and a defoaming agent to 19 to 45 wt% And an ozone-resistant bale at the top in contact with moisture.

When the basalt fiber is used alone, the waterproof stiffener 30 may include 55 to 81% by weight of high-tensile fiber, 50 to 75% by weight of basalt fiber and 5 to 6% By weight of a filler, 0.2 to 0.3% by weight of a reactive diluent, 0.5 to 3% by weight of an ozone deterioration inhibitor, 0.1 to 5% by weight of a curing accelerator, 0.1 to 0.4% by weight of a release agent and 0.14 to 0.2% by weight of a defoaming agent, and 0.06 to 0.1% by weight of an ozone-resistant veil on the top.

Here, the basalt fiber is produced by melting basalt, and the chemical additive added in the production of other fibers is not added, so that water quality stability in the water treatment plant can be maintained.

The thermosetting resin has a dense structure against deterioration due to ozone oxidation and has a modified structure containing one of Endomethylenehexachlorophtalic acid, fluorine-containing acrylate, and fluorine-containing methacrylate in unsaturated polyester Unsaturated polyester can be used. The water-reducing agent can be selected from the group consisting of polystyrene, polymethyl methacrylate, methyl methacrylate copolymer, polyvinylacetate copolymer, saturated polyester, vinyl chloride, polycaprolactone, cellulose acetate butyrate, modified polyurethane And styrene-butadiene elastomer. Among them, unsaturated polyester including one of Endomethylenehexachlorophtalic acid, fluorine-containing acrylate and fluorine-containing methacrylate is preferable.

The reactive diluent is preferably an acryl system such as styrene monomer, vinyl acetate, methyl methacrylate, or the like having a double bond structure at the molecular end of the monomer.

Particularly, as a reactive diluent, it is preferable to add a small amount of a styrene monomer.

As the filler, an organic filler, an inorganic filler or an inorganic flame retardant may be used as a filler, and aluminum hydroxide is particularly preferably used.

In addition, reactive diluents, antifoaming agents, and releasing agents are added.

The ozone deterioration inhibitor may be at least one selected from the group consisting of phenylenediamine-based 1,3-dimethylbutyl N- phenylphenylenediamine (6PPD), 2,4,6-tris- -dimethylpentyl-p-phenylenediamino) -1,3,5-triazine (TAPDT) and 2-chloro-1,3-butadiene.

Or an aromatic polyamine system in which radical generation is active can be used, and in particular, a phenylene diamine system is preferably used.

On the other hand, the ozone-resistant waterproofing type stiffener of the water treatment structure according to the present invention enhances the surface strengthening and smoothness of the product and increases moisture resistance, chemical resistance and ozone resistance during manufacture by using an ozone-

After the manufacture of the waterproof stiffener 30, a polyethylene-based nonwoven fabric adhesive may be added to the bottom to increase the adhesive strength according to the site conditions.

The thickness of the waterproof stiffener 30 can be variously manufactured according to the use thereof, and it is generally preferable to have a thickness of about 3 to 7 mm.

On the other hand, it is possible to add a step of finishing the upper surface of the waterproof type stiffener 30 in a form in which a polyethylene nonwoven fabric is adhered to improve adhesion strength.

In addition, the joint agent (40) may be selected from an inorganic type or an organic type joint.

The organic jointing agent is composed of unsaturated polyester modified by adding one of Endomethylenehexachlorophtalic acid, fluorine-containing acrylate and fluorine-containing methacrylate.

Hereinafter, the construction of the ozone-resistant, waterproof type stiffener of the water treatment structure according to the present invention will be described in detail for each stage.

1. Concrete surface (10) Degradation site and unevenness step

Since the water treatment structure is always immersed in water, the concrete in the water treatment structure is deteriorated by moisture, and in particular, the phenomenon is intensified in the case of the ozone tank having high corrosivity.

The construction without removing the deteriorated portion may affect the durability of the ozone-resistant, waterproof type stiffener 30 of the water treatment structure applied to the top by the deterioration of the concrete base 10.

In addition, the uneven portion reduces the uniformity of the coating thickness of the resin adhesive 20, and therefore, a step of removing it is required.

For the installation, water jet or concrete surface cleaning equipment is used to remove the deterioration parts.

2. Resin adhesive application step

After the deteriorated concrete floor 10 is removed, a step of applying a resin adhesive 20 for bonding the waterproof type stiffener 30 and the concrete floor 10 to the upper part is required.

At this time, an organic adhesive is used as the resin adhesive 20 to be used.

The organic adhesive preferably comprises 58 to 60% by weight of a diglycidyl ether of bisphenol A, 6 to 8% by weight of an aliphatic glycidyl ether, 3 to 8% by weight of a polyoxypropylenediamine, 4% by weight of modified aliphatic amine, 10 to 11% by weight of modified aliphatic amine, and 20 to 21% by weight of PaMAM (polyamidoamine).

The inorganic filler is selected from at least one of talc, calcium carbonate, fly ash, cement, and abrasive.

25 to 80% by weight of an organic adhesive, and 20 to 75% by weight of an inorganic filler.

The resin adhesive 20 to be applied can be expected not only to adhere the concrete base 10 and the waterproofing reinforcement 30 but also to reinforce the micro crack and the unexposed deteriorated portion of the concrete base 10.

3. Construction of Waterproof Stiffener (30)

The waterproof type stiffener 30 is formed on the resin adhesive 20 so that the waterproof type stiffener 30 is tightened and the existing water treatment structure is reinforced. In order to construct the following joint 40 before the waterproof type stiffener 30 is installed, A waterproof stiffener 30 is installed on the corner bead.

4. Steps for installing joints (40)

Since waterproofing of the waterproof type stiffener 30 is required for the waterproof method, watertightness of the waterproof type stiffener 30 is ensured by the inorganic system and the organic joint 40.

Organic joint agent 40 is prepared by joining joint 40 composed of unsaturated polyester modified by adding one kind of endomethylenehexachlorophtalic acid, fluorine-containing acrylate and fluorine-containing methacrylate to a position formed with corner beads.

Hereinafter, an ozone-resistant, waterproof type stiffener construction method of the water treatment structure according to the present invention will be described in detail by way of example.

A slurry was prepared by mixing 64.9% by weight of basalt fiber, 24% by weight of a thermosetting resin, 7.0% by weight of a water reducing agent, 0.3% by weight of a high temperature curing agent, 0.4% by weight of a low temperature curing agent, 1.5% by weight of a filler, 0.26% by weight of a reactive diluent, Resistant ozone-resistant waterproof type stiffener of 0.25% by weight, 0.28% by weight of silane coupling agent, 0.1% by weight of defoamer, 0.18% by weight of defoamer and 0.08% by weight of ozone-resistant veil. Exposure to weekly ozone water was followed by visual inspection.

No crack, swelling, peeling, or dropout occurred in the 4-week test, indicating that ozone performance was excellent.

As shown in Table 1, it was found that the performance was excellent and all results satisfied the first grade of the quality standard of the municipal waterworks of the city water service headquarters.

In order to confirm the water quality stability of the ozone-resistant adhesive waterproofing type stiffener of Example 1, 43 kinds of waterproof materials and products were tested according to the sanitary safety standard process test method (2009: Ministry of Environment notification 2009-184).

As a result of the test, all items were found to be satisfactory, indicating that it is safe to use in water treatment plants where the stability of drinking water is required.

In order to confirm the water quality stability of the joints in contact with the water treated, 43 items in the Sanitary Safety Standard Process Test Method of Water Materials and Products (2009: Ministry of Environment notification 2009-184) were tested.

After the ozone-resistant adhesive waterproofing reinforcement of the water treatment structure according to the present invention composed of the concrete surface 10, the resin adhesive 20, the waterproofing reinforcement 30 and the jointing agent 40 is applied, Adhesion performance by water, water permeability and impact resistance were tested.

After attaching a resin adhesive 20 of 5 mm to the concrete base 10 and attaching a 4.3 mm thick waterproofing stiffener 30 and installing the joint 40, (10), resin adhesive (20), waterproof stiffener (30) and joint (40) were tested and tested. The impact test was performed by dropping a hemispherical weight (500 ± 2g) four times at a constant height (0.5m, 1.0m, 1.5m, and 2.0m) and then visually observing cracks and peeling of the specimen.

As shown in Table 4, it was found that the performance was excellent, and all the results satisfied the first grade of the quality standard of the municipal waterworks of the city water service headquarters.

division Bond strength N / mm2


Attachment Performance



Normal Dry state 3.2 Chemical resistance 3.1
Chemical resistance
Hydrochloric acid 3.0 Hypochlorous acid 2.8 Sodium hydroxide 3.0
Weatherability Immersion in water 2.9 Wet Repeat (100 Cycles) 2.7
Permeability performance

Normal Not pitcher
Chemical resistance
Hydrochloric acid Not pitcher Hypochlorous acid Not pitcher Sodium hydroxide Not pitcher
Impact resistance

4th grade (drop height 2m)
(clear)

The preferred embodiments described in the specification of the present invention are intended to be illustrative, not limiting, and the scope of the present invention is indicated by the appended claims, and all modifications that come within the meaning of the claims are included in the present invention. .

10: Concrete base 20: Resin adhesive
30: waterproof reinforcement 40: jointing agent

Claims (2)

55 to 81% by weight of a high-tensile fiber composed of basalt fiber or basalt fiber and a heterogeneous fiber, 13 to 31% by weight of a thermosetting resin, 3.4 to 9.2% by weight of a water-reducing agent, 0.2 to 0.35% by weight of a high- % Of a filler, 0.85 to 1.7 wt% of a filler, 0.2 to 0.3 wt% of a reactive diluent, 0.5 to 1.3 wt% of an ozone deterioration inhibitor, 0.1 to 0.4 wt% of a release agent, 0.01 to 0.35 wt% of a silane coupling agent, 0.06 to 0.1% by weight of ozone-resistant bale,
The thermosetting resin is composed of a modified unsaturated polyester resin selectively using one of Endomethylenehexachlorophtalic acid, fluorine-containing acrylate, and fluorine-containing methacrylate,
The reactive diluent is composed of any one of styrene monomer, vinyl acetate, and methyl acrylate,
The ozone deterioration inhibitor may be at least one selected from the group consisting of N- (1,3-dimethylbutyl) -N'-phenyl-p-phenylenediamine (6PPD) and 2,4,6-tris- (N-1,4-dimethylpentyl- , And 3,5-triazine (TAPDT)
The silane coupling agent may be one selected from the group consisting of a methacryloyl clock silane coupling agent, an epoxy silane coupling agent, an amine silane coupling agent, a styryl silane coupling agent, an acrylic rock clock silane coupling agent and a vinyl silane coupling agent and,
Wherein the ozone-resistant bale is selected from the group consisting of a polyvinyl chloride-based bale and a polyester-based bale. A method for manufacturing an ozone-resistant, waterproof type stiffener of a water treatment structure according to claim 1,
Preparing a resin composition comprising a thermosetting resin, a polyvinyl acetate-based water-reducing agent, a high-temperature curing agent, a low-temperature curing agent, an aluminum hydroxide filler, a reactive diluent, an ozone deterioration inhibitor, a releasing agent, a silane coupling agent and a defoaming agent; Impregnating the resin composition with fibers in the form of a roving-type high tenacity fiber, a woven or webbing tape, and an ozone-resistant bale; A method of manufacturing an ozone-resistant, waterproof type stiffener for a water treatment structure, comprising the steps of: impregnating a high-sheer fiber with a roving shape, a fabric of a weaving type or webbing tape, and an ozone-resistant bale into a mold and molding at 80 to 180 ° C; Continuously withdrawing the ozone-resistant, waterproof type stiffener of the water treatment structure; Cutting the ozone-resistant attachment type waterproofing type stiffener of the drawn water treatment structure to a predetermined size; An eco-friendly adhesive is sprayed on the ozone-resistant adhesive waterproofing type stiffener of the water treatment structure, the polyethylene-based nonwoven fabric is adhered to the eco-friendly adhesive using a compression roller, and then passed through a hot air chamber at 30 to 80 ° C Wherein the method comprises the steps of: (a) forming an ozone-resistant waterproofing stiffener on the surface of the water treatment structure;

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