KR102080643B1 - Dehumidifying agent, Method for manufacturing Dehumidifying agent - Google Patents

Abstract

The present invention is a method for manufacturing a dehumidifying material by chemically combining a hydrophilic monomer contained in an impregnating liquid on a substrate and a dehumidifying material, specifically, a supply step (S100) of supplying a base 100 in a sheet form; , After the supplying step, impregnation step (S200) to impregnate the impregnating liquid containing the hydrophilic monomer to the base; After the impregnation step, the grafting step (S300) to irradiate the base to the dehumidifying material To produce.

Description

Dehumidifying material and method for manufacturing dehumidifying material {Dehumidifying agent, Method for manufacturing Dehumidifying agent}

The present invention is an invention for a dehumidifying material and a method for preparing a dehumidifying material by chemically bonding a hydrophilic monomer contained in an impregnation liquid on a substrate.

Patent invention 001 is (S1) obtaining a polymer composite material solution by adding a crosslinking agent and a porous filler to the hydrophilic polymer solution to impart durability and antibacterial properties; (S2) preparing a nanofiber sheet by electrospinning the polymer composite material solution; And (S3) heat-treating and cross-linking the nanofiber sheet; to a method for manufacturing a polymer composite material for building air conditioning or dehumidification.

Patent invention 002 is 1) preparing a slurry by mixing silica gel, ceramic fibers and water, 2) forming a sheet using the slurry, 3) compressing and drying the molded sheet to prepare a silica gel sheet Step, 4) using the prepared two sheets of silica gel sheet to produce a polarization molded body having a wave shape on one side and a flat shape on the other side, and 5) forming a honeycomb shape using the polarization molded body. As a method for manufacturing a honeycomb dehumidifying material, step 1) is performed by adding a pH adjusting solution and a polymer thickener to the water to maintain a pH of 7-10, adjusting the viscosity to 20-60 cps, and then the silica gel and the ceramic. It relates to a method for manufacturing a honeycomb dehumidifying material, characterized in that it is performed by adding fibers.

Patent invention 003 is a dehumidifying reinforcing polymer; Polymer-based network structure resins; Liquid stabilizer; Surface hardeners; Viscous adjuvant; Hygroscopic adjuvant; And a solvent, wherein the dehumidifying reinforcing polymer is polyvinyl acetate, polyurethane or polyvinyl alcohol, and the polymer-based network structure resin has a property of absorbing 5 times or more than its own weight when supported in ion-exchanged water. It is a highly hygroscopic resin, and the liquid stabilizer is an anionic, cationic or nonionic surfactant, and the surface curing agent includes polyhydric alcohol; Epoxy; Polyvalent amines; Condensates of polyvalent amines and haloepoxys; Oxazoline; Mono, di or polyoxazolidine; Polyvalent metal salts; And alkylene carbonate, and the viscous adjuvant is natural gum, carboxymethylcellulose, hydroxyethylcellulose, alkali modified viscous adjuvant, polyurethane, polyether, polyester, polyvinylpyrrolidone, polyethylene. It is selected from one or two or more mixtures having a base such as glycol, and the hygroscopic adjuvant is for a composition for a one-component dehumidifier which is a chloride-based hygroscopic agent or a halide-based hygroscopic agent.

Patent invention 004 is a porous ceramic humidifying medium having an inner circumferential surface and an outer circumferential surface; A dehumidifying medium disposed inside the porous ceramic humidifying medium and having an inner circumferential surface and an outer circumferential surface, and between the inner circumferential surface of the humidifying medium and the outer circumferential surface of the dehumidifying medium, a blocking layer formed of an inorganic binder. Including, The humidifying medium is formed on a ceramic fiber, a primary lamination layer containing one or more components selected from the group consisting of silicon, aluminum and zirconium; And it relates to a porous ceramic structure characterized in that it further comprises a secondary laminated layer containing aluminum and phosphorus components formed on the surface of the primary laminated layer.

KR 10-1237285 B1 (Registration date February 20, 2013) KR 10-1680068 B1 (Registration date 22 November 2016) KR 10-1147018 B1 (Registration date May 10, 2012) KR 10-1228278 B1 (Registration date January 24, 2013)

The present invention is an invention for a dehumidifying material and a method for preparing a dehumidifying material by chemically bonding a hydrophilic monomer contained in an impregnation liquid on a substrate.

The present invention is an invention for a method for manufacturing a dehumidifying material, the supply step of supplying the base 100 in the form of a sheet (S100) ;, after the supplying step, the impregnation step of impregnating the impregnating liquid containing the water-immersing monomer into the base ( S200); after the impregnation step, a grafting step (S300) of irradiating the base with radiation; is formed in a time series step.

The present invention relates to a method for manufacturing a dehumidifying material, and after the impregnation step in the previously proposed invention, a squeeze step (S250) for squeezing the impregnating liquid impregnated into the base.

The present invention relates to a method for manufacturing a dehumidifying material, and after the grafting step in the previously proposed invention, a thermal reaction step (S400) of heating the base.

The present invention relates to a method for manufacturing a dehumidifying material, and includes a drying step (S500) in which the base is dried after the thermal reaction step in the previously proposed invention.

The present invention relates to a method for manufacturing a dehumidifying material, in the previously proposed invention, before the grafting step, a lamination adhesion step (S610) of attaching a lamination film 710 to both sides of the base; after the thermal reaction step, on both sides of the base It includes; a paper removing step (S620) for removing the attached film.

The present invention relates to a method for manufacturing a dehumidifying material, and includes a dehumidifying material produced by the invention presented above.

The dehumidifying material manufacturing method of the present invention can enhance the bonding effect because the dehumidifying agent is bonded to the base in a grafting step by irradiation with radiation.

The dehumidifying material manufacturing method of the present invention is supplied in a reel or cartridge type, thereby enabling an automatic process.

The dehumidifying material manufacturing method of the present invention is irradiated with radiation after laminating the base by a lamination film. Therefore, air is prevented and a separate nitrogen chamber is not required.

The dehumidifying material manufacturing method of the present invention further includes a thermal reaction step and a heating step after the grafting step, so that unreacted substances are not generated.

The method of manufacturing the dehumidifying material of the present invention enables an automated process since the laminating and removing the lamination are continuously performed.

1 is a conceptual diagram of the shape of the base of the present invention, a supply reel wound around the base, a base immersed in an immersion roller, and a base irradiated with radiation.
2 is a conceptual view of the shape of the base heated by the heating chamber of the present invention and the base dried by the hot air dryer.
3 is a conceptual diagram of the circulation, adhesion and desorption of the laminated film of the present invention.
Figure 4 is the arrangement shape of the front oblique irradiator of the present invention.

Hereinafter, the most preferred embodiment of the present invention will be described in detail in order to describe in detail that a person skilled in the art to which the present invention pertains can easily implement the present invention.

[Example 1-1] The present invention is an invention for a method for manufacturing a dehumidifying material, the supply step (S100) of supplying the base 100 in the form of a sheet; After the supply step, the impregnation solution containing the water-immersing monomer It consists of a time-series step including; impregnation step (S200) to impregnate the base; and, after the impregnation step, grafting step (S300) to irradiate the base with radiation.

The present invention is an invention for a method of preparing a dehumidifying material by chemically bonding a dehumidifying material for moisture absorption to a base (polymer sheet). Specifically, a step of supplying a sheet-like base, impregnating the impregnating solution with the supplied base, and irradiating the base with radiation to chemically bond the monomer and the base is proposed.

[Example 1-2] The method of manufacturing the dehumidifying material of the present invention is in Example 1-1, wherein the base is formed of a woven or nonwoven fabric therein.

The base is formed of PP (polypropylene) or PE (polyethylene), cotton (Cotton), and cellulose (Cellulose), and can be substituted for objects exhibiting the same purpose and effect.

In another embodiment, the base is formed of CDP (Core Deposite Polypropylene). The CDP is woven by applying PE on the outside of PP, which melts PE on the outside by applying heat after weaving, and PE serves as an adhesive of a woven fabric made of PP.

[Example 1-3] The method for preparing a dehumidifying material of the present invention is in Example 1-1, wherein the impregnation step is a step of receiving an impregnation liquid (a mixture of a monomer and a solvent) at the base, and the monomer is "acrylic acid, Methacrylic acid, acrylamide, itaconic acid, acrylonitrile is formed of any one selected from, and the solvent is formed by any one selected from "water, polar solvent, non-polar solvent, amphoteric solvent".

The monomer contained in the impregnation solution of the present invention is chemically bound to the matrix, which accommodates a solvent. The monomer is easily mixed with the solvent, the solvent is removed in the drying process, and after drying, the monomer is present in a graft polymerized state at the base. The higher the amount of monomer, the higher the dehumidifying effect.

[Example 1-4] The dehumidifying material manufacturing method of the present invention is in Example 1-1, wherein the impregnation step is performed inside the impregnating container 210 accommodating the impregnating roller 211, and the impregnating container is a monomer The supply container 212 and the solvent supply container 213 are in communication with the impregnating container to supply the monomers and solvent, and the monomer supply container and the solvent supply container form a supply amount metering valve 214 for metering the supply amount.

The impregnation container contains a mixture of monomer and solvent. The base is introduced and discharged into the impregnating container to accommodate the impregnating liquid inside the base. For the base supply into the impregnated container, the impregnated container forms an impregnated roller, and the impregnated roller is present in plural in the impregnated container. The base that circulates between the impregnating rolls absorbs the impregnating liquid during the circulation process.

The impregnation liquid of the impregnating container should be mixed with the monomer and the solvent in a predetermined ratio. To this end, a monomer supplying container and a solvent supplying container separately accommodating the monomers and solvents are formed outside the impregnating container, and these are supplied at a rate determined by a metering valve.

[Example 1-5] The method of manufacturing the dehumidifying material of the present invention is in Example 1-4, wherein the impregnating rollers 211 are located on both sides of the base, and the gap between the impregnating rollers is smaller than the base thickness. do.

To accommodate the impregnation solution in the thick base, the impregnating roller is partially compressed by the impregnating roller, the base is positioned between the two impregnating rollers, and the gap between the impregnating rollers is smaller than the thickness of the base. Therefore, the impregnation liquid can be easily accommodated according to the change in the thickness of the base.

[Example 1-6] The dehumidifying material manufacturing method of the present invention is in Example 1-1, wherein the grafting step is formed by radiation (electron beam, gamma ray, X-ray, UV).

In the grafting step, the hydrophilic monomer is polymerized by irradiation, which forms a radical on the base and chemically bonds with the monomer. Irradiation is performed by the irradiator 310. When a crosslinking agent or a homopolymer production inhibitor is mixed, the homopolymer is reduced and grafting polymerization is performed on the base. The crosslinking agent uses 1 to 10% by weight of the monomer, and the homopolymer production inhibitor uses 1% by weight. The graft-polymerized dehumidifying material is made of sodium hydroxide (NaOH) and potassium hydroxide (KOH) to improve water absorption. In addition, it is treated with an alkaline aqueous solution to increase the absorbency of the dehumidifying material.

[Example 1-7] The dehumidifying material manufacturing method of the present invention is in Example 1-1, wherein the supplying step includes a reel supplying step (S010) for supplying a base from a persimmon to the supplying reel 110, or It includes a cartridge supply step (S020) for supplying the base by the supply cartridge 120 is loaded with a plurality of sheets.

The sheet-like base may be prepared by being continuously wound on a supply reel, or may be formed as a thin sheet unit sheet and supplied individually. For this, a supply reel or a supply cartridge is formed, which is formed by a reel supply step and a cartridge supply step.

[Example 1-8] The method for manufacturing a dehumidifying material of the present invention includes, in Example 1-1, a cutting step (S710) of cutting a base to a certain size by a cutter 810 after the grafting step. Or, it includes a reel storage step (S720) of winding the base on the recovery reel (820).

The finished dehumidifying material can be continuously supplied and wound around a reel and stored, or cut into a certain size and stored. To this end, the base includes a cutting step and a reel storage step.

[Example 1-9] The method for manufacturing a dehumidifying material of the present invention includes, in Example 1-1, a pre-irradiation step (S030) of irradiating electron beams or gamma rays by the radiation irradiator 120 before the impregnation step.

The present invention includes a pre-irradiation step of irradiating radiation to the base before the impregnation step. The pre-irradiation step forms radicals at the base.

[Example 2-1] The dehumidifying material manufacturing method of the present invention includes, in Example 2-1, a squeeze step (S250) of squeezing the impregnating liquid impregnated into the base after the impregnation step.

The squeeze step is between the impregnation step and the grafting step. After the impregnation step, if too much impregnation liquid is accommodated inside the base, the grafting time becomes too long or unnecessary impregnation liquid is caused to flow out. In order to prevent this, the content of the impregnating liquid in the base may be adjusted through a squeeze step before the grafting step, which may affect the grafting rate and affect dehumidification characteristics.

[Example 2-2] The method of manufacturing a dehumidifying material of the present invention is that in Example 2-1, the squeeze step is formed on both sides of the base, and includes a pressing roller 400 contacting the base.

The pressing roller is accommodated inside the impregnating container, and is present on the surface of the impregnating liquid. Therefore, the impregnation liquid discharged by compression is re-accepted inside the impregnation container. The pressing roller spacing is adjustable, and the water content is adjusted by the pressing roller spacing.

[Example 3-1] The dehumidifying material manufacturing method of the present invention includes, in Example 2-1, a thermal reaction step (S400) of heating the matrix after the grafting step.

The thermal reaction step is to evaporate the solvent present in the matrix and bind the remaining solution to the matrix. That is, to prevent the presence of unreacted substances after irradiation.

[Example 3-2] The method of manufacturing the dehumidifying material of the present invention is that in Example 3-1, the thermal reaction step is performed in the heating chamber 510, and the heating chamber is configured to receive the heating means 520. Includes.

In order to supply constant heat in the thermal reaction step, heating means are formed in the chamber. The heating means generates a constant temperature, and forms a heating chamber to prevent external flow of temperature. A base inlet 511 and a base outlet 512 are formed on one side and the other side of the heating chamber.

[Example 4-1] The method for manufacturing a dehumidifying material of the present invention includes, in Example 3-1, a drying step (S500) of drying the base after the thermal reaction step.

The drying step is for removing active radicals and residual solvent. When the active radical is present in the base, it is accompanied by a decomposition reaction of the base and breaks when stored for a long time.

[Example 4-2] The method of manufacturing the dehumidifying material of the present invention is in Example 4-1, wherein the drying step provides hot air to the base by the hot air dryer 600, and the hot air dryer controls a certain time, and A hot air controller 610 for controlling a hot air temperature and a constant wind speed is formed.

The drying step uses a hot air dryer. The hot air dryer forms a blade 621 that generates wind, an electric motor 623 that generates rotational power to the blade, and a heater 622 for supplying heated air. A sensor 611 for sensing the temperature and wind speed is located between the base and the hot air dryer, and the sensor supplies information to the hot air controller, and the hot air controller controls the operation of the electric motor and the heater.

[Example 5-1] The method of manufacturing a dehumidifying material of the present invention is in Example 4-1, before the grafting step, a lamination step (S610) of attaching a lamination film 710 to both sides of the base; After the reaction step, a paper removal step (S620) for removing the film attached to both sides of the base; includes.

The lamination and removal of the lamination according to the present invention is to block the contact of air and the base during the grafting step and the thermal reaction step. Specifically, before the grafting step, the lamination film is contacted and compressed on both sides of the base, and sealed with a lamination film so that there is no air inside the base.

[Example 5-2] The dehumidifying material manufacturing method of the present invention is in Example 5-1, wherein the laminated film is a release film, and is formed of any one selected from PET, PP, and PE.

The release film is a material that ensures safety against radiation, and it is possible to replace the material that exhibits the same purpose and effect even if the material is not previously presented.

[Example 5-3] In the method of manufacturing a dehumidifying material of the present invention, in Example 5-1, the lamination film forms a laminating apparatus 700 on both sides of a base, and the laminating apparatus includes a plurality of circulation rollers (720 ) To form a laminated film circulated.

The laminating device supplies the laminating film from both sides of the base, and the both sides are pressed and adhered to the laminating film, and then separates the laminating film from the base again. The compression and beak process is continuously formed, which can take automation.

In another embodiment, the lamination film is not circulated, one roller supplies the rolled lamination with the base, and the other roller recovers the lamination separated from the base.

[Example 5-4] In the method of manufacturing the dehumidifying material of the present invention, in Example 5-3, any one of the circulation rollers compresses a base together with a circulation roller of a corresponding lamination apparatus.

The two circulating rollers squeeze both sides of the base, which is to bond the lamination film with the base and to discharge the air inside the base to the outside during the pressing process.

[Example 6-1] The dehumidifying material of the present invention includes a dehumidifying material made of any one of claims 1 to 5.

In the dehumidifying material of the present invention, a hydrophilic monomer is chemically adhered to the inside of a base made of a polymer, and an object manufactured by the method of the above-described embodiment is specified to realize this. The citation relations presented in the previous embodiment may be changed under various combination conditions.

100: base 110: supply reel
120: supply cartridge 210: impregnation container
211: impregnation roller 212: solution supply container
213: solvent supply container 214: metering valve
310: radiation irradiator 400: crimping roller
510: heating chamber 511: base inlet
512: base outlet 520: heating means
600: hot air dryer 610: hot air controller
621: blade 622: heater
623: Electric motor 700: Laminating device
710: Laminated film 720: Circular roller

Claims (6)

In the dehumidifying material manufacturing method,
Supply step of supplying the base 100 in a sheet form (S100) ;,
After the supplying step, the impregnation step of impregnating the impregnation solution containing the hydrophilic monomer to the base (S200) ;,
After the impregnation step, a squeeze step for squeezing the impregnation liquid impregnated inside the base (S250);
After the impregnation step, a grafting step of irradiating radiation to the base (S300);
The squeeze step is formed on both sides of the base, the method of manufacturing a dehumidifying material comprising a base made of a press roller 400 in contact with the base.
delete The method according to claim 1,
After the grafting step, a thermal reaction step (S400) for heating the base; Dehumidifying material manufacturing method comprising a.
The method according to claim 3,
After the thermal reaction step, a drying step (S500) for drying the base; Dehumidifying material manufacturing method comprising a.
The method according to claim 4,
Before the grafting step, a lamination step of attaching a lamination film (710) to both sides of the base (S610) ;,
After the thermal reaction step, a paper removing step (S620) for removing the film attached to both sides of the matrix; Dehumidifying material manufacturing method comprising a.
In the dehumidifying material,
Dehumidifying material produced by any one of claims 1 to 3 to 5.

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