A FABRICATION METHOD OF MATERIAL FOR ADSORPTION AND DESORPTION OF MOISTURE USING FREEZE DRYING, AND THE MATERIAL FOR ADSORPTION AND DESORPTION OF MOISTURE FABRICATED BY THIS METHOD.

... 수분 흡탈착 소재의 제조 방법으로 실리카(Silica), 염 및 증류수를 준비하는 단계, 상기 염을 증류수에 용해하여 함침액을 준비하는 단계, 상기 함침액에 상기 실리카(Silica)를 혼합하고 교반하여 혼합물을 제조하는 단계, 상기 혼합물을 동결 건조(Freeze Drying)하여 수분 흡탈착 소재를 제조하는 단계를 포함한다. 상기 실리카(Silica)는 흄드 실리카(Fumed Silica)이며, 상기 염은 염화칼슘(CaCl2),염화마그네슘(MgCl2) 중에서 선택한다. 본원 발명은 상업적으로 판매되고 있는 실리카 입자에 CaCl2를 함침하고 동결건조법을 이용하여 우수한 성능의 수분흡착소재를 제조하는 기술로 제조 공정이 단순하고 단가가 낮으면서도 구동압력(P/Po=0.1 내지 0.2)내에서 0.21 g-water /g-sorbent 이상의 수분을 흡착하는 CSPM(Composites Salt in Porous Matrix) 타입의 흡착제를 제공한다. 이를 구현하기 위해서는 CaCl2를 물에 녹여 상기 실리카 입자와 혼합하고 혼합에 사용된 물을 제거하는 단계에서 일반 건조 방법인 진공 건조와 동결건조가 가능하며 동결 건조 방법을 이용할 경우 수분 흡착 성능을 크게 향상시킬 수 있다. 습식 실리카의 경우 진공 건조에 의해 제조된 흡착제의 성능이 구동압력(P/Po=0.1 내지 0.2)내에서 0.17 g-water /g-sorbent 이상의 수분을 흡착하는 성능을 나타낸다. 흄드 실리카의 경우 동결 건조를 하여 제조된 수분 탈착 소재는 구동압력 범위(P/Po= 0.1 내지 0.2)내에서의 최대 흡착량이 0.21 g-water /g-sorbent에 이르는 큰 향상을 보였다. 이와 같이 본원 발명의 수분 탈착 소재 제조 방법에 의해 메조기공 실리카와 같이 합성하기 까다롭고 가격이 비싼 담체를 사용하지 않고도 CaCl2를 함침함으로써 대량생산이 가능하다.

A zeolite-metalchloride hybrid composite for absorption of moisture, and manufacturing method of it

... 본 발명은 제습기 및 수분 흡착식 냉동기에 적용가능한 수분 흡착 조성물 및 그 제조방법에 관한 것으로, 특히, 다공성의 제올라이트(zeolite)와 금속염화물의 하이브리드 조성물 및 이를 제조하는 방법에 관한 기술이다. 본 발명은 수분 흡착 조성물에 있어서, 다공성(porosity)의 제올라이트(zeolite)와 금속염화물을 포함하며, 상기 다공성의 제올라이트는 알루미노포스페이트계 제올라이트(aluminophosphate type Zeolite), 페로알루미노포스페이트계 제올라이트(Ferroaluminophosphate type Zeolite), 실리코알루미노포스페이트계 제올라이트(Silicoalumino-phosphate) 중에서 선택되는 하나 이상의 제올라이트인 것을 특징으로 하는 제올라이트-금속염화물 하이브리드 수분 흡착 조성물을 제공한다.

IMPROVED METHOD OF PRODUCING ZEOLITE-METAL CHLORIDE HYBRID WATER ADSORBENT, WATER ADSORBENT PRODUCED THEREBY, AND METHOD OF PRODUCING WATER ADSORBENT COMPOSITION FOR SURFACE COATING COMPRISING SAME

The present invention relates to an improved method of producing a zeolite-metal chloride hybrid water adsorbent which can be applied to dehumidifiers and water adsorption refrigerators, and more specifically, to an improved method of producing a zeolite-metal chloride hybrid water adsorbent comprising the steps of: dissolving a metal chloride in water to produce a first solution; mixing porous zeolite including ferroaluminophosphate-based zeolite in the first solution to produce a second solution; spraying the second solution to form liquid droplets having an average diameter; and drying the liquid droplets to produce a water adsorbent. Also, the present invention provides a method of producing a water adsorbent composition for surface coating, comprising the steps of: dispersing a water adsorbent in a dispersing agent to produce a dispersion; adding an epoxy-based binder resin to the dispersion; and adding a curing agent thereto. Water adsorbent materials produced in the above manner ...

메조 기공 실리카를 이용한 수분 흡착 조성물과 그 제조방법

... 본 발명은 제습기 및 수분 흡착식 냉동기에 적용가능한 수분 흡착 조성물 및 그 제조방법에 관한 것으로, 더욱 상세하게는 메조기공 실리카유형의 흡착조성물로서, 메조기공 실리카의 기공 크기를 조절하여 제습기 및 수분 흡착식 냉동기에 적합하게 변형시킨 조성물 및 이를 제조하는 방법에 관한 기술이다. 본 발명의 실란으로 표면개질된 2차원 헥사고날(hexagonal) 구조의 메조기공 실리카 수분 흡착제는 P/Po = 0.1 ~ 0.3 구동압력 범위에서 최대수분흡착량이 0.55 g-water/g-sorbent 이상의 효율을 기대할 수 있다.

SURFACE-TREATED ZEOLITE ENSURING ENHANCED MOISTURE-ADSOPRTION AMOUNT AND ADHESIVENESS

The present invention relates to a surface-treated zeolite, and to a method for surface-treating zeolite. According to the present invention, the surface-treated zeolite is produced by the following steps: surface-treating target zeolite using a surface modification solution containing a silica-supplying precursor capable of chemically bonding to the target zeolite and a hydrophobic or lyphophilic solvent which is not impregnated into pores of target hydrophilic zeolite; and removing the solvent. According to the present invention, the surface-treated zeolite ensures excellent moisture adsorption ability and adhesiveness. COPYRIGHT KIPO 2017 ...

금속이 도핑된 유무기나노세공체 수분흡착제 및 이의 제조방법

... 본 발명은 금속이 도핑된 유무기나노세공체 수분흡착제 및 이의 제조방법에 관한 것으로, 더욱 상세하게는 알루미늄 전구체, 푸마르산 및 수분 흡착 특성을 보다 향상시킬 수 있는 금속화합물을 동시에 반응시켜 금속이 도핑된 유무기나노세공체를 형성하고, 이를 이용한 금속이 도핑된 유무기나노세공체 수분흡착제에 관한 것이다. 상기 수분흡착제는 제습기, 수분흡착식 냉동기, 냉난방기 등 수분흡착제가 적용될 수 있는 장치의 구동압력 범위에서 400 mg/g 이상의 최대 수분흡착량을 가질 수 있는 특성을 나타낸다.

THERMOCHEMICAL HEAT STORAGE MATERIAL USING POROUS ZEOLITE-METAL SALT COMPLEX, AND A PRODUCTION METHOD THEREOF

According to an embodiment of the present invention, provided is a thermochemical heat storage material using a porous zeolite-metal salt complex. The thermochemical heat storage material contains porous zeolite and a metal salt, and the metal salt is impregnated between pores of the porous zeolite and the porous zeolite particles so that the metal salt is positioned between the pores and the porous zeolite particles. The volume change rate is 1 to 30%, and an amount of heat storage is 300-1200 J/g. Moreover, provided is a method for producing a porous zeolite-metal salt complex for the thermochemical heat storage materials. COPYRIGHT KIPO 2018 (AA) Start (BB) End (S100) Step of producing a metal salt aqueous solution (S200) Step of impregnating between pores of porous zeolite and porous zeolite particles (S300) Drying step ...

ZEOLITE-METAL CHLORIDE HYBRID WATER ABSORPTION COMPOSITION AND PREPARING METHOD THEREOF

The present invention relates to a water adsorption composition applicable for a dehumidifier or a water adsorption type chiller and a preparing method thereof and, in particular, to a hybrid composition of porous zeolite and metal chloride, and a technology regarding a preparing method thereof. The present invention, relating to a water adsorption composition, provides a zeolite-metal chloride hybrid water adsorption composition which comprises porous zeolite and metal chloride, wherein the porous zeolite is at least one zeolite selected from aluminophosphate-type zeolite, ferroaluminophosphate-type zeolite and silicoalumino-phosphate zeolite. COPYRIGHT KIPO 2015 ...

METHOD FOR MANUFACTURING ORGANIC-INORGANIC NANOPOROUS MATERIALS AND METALLIC CHLORIDE HYBRID MOISTURE WATER ADSORBENT, AND WATER ADSORBENT MANUFACTURED THEREBY, AND WATER ADSORBING COMPOSITION FOR SURFACE COATING COMPRISING WATER ADSORBENT

The present invention relates to a method for manufacturing an organic-inorganic nanoporous material-metal chloride hybrid water adsorbent, a water adsorbent manufactured thereby, and a water adsorbing composition for surface coating comprising the water adsorbent. According to one embodiment of the present invention, an organic-inorganic nanoporous material-metal chloride hybrid water adsorbent is manufactured by impregnating a predetermined amount of metal chloride for improving water adsorbing properties in pores of organic-inorganic nanoporous materials formed by crystallization reaction of aluminum precursors and fumaric acids. The water absorbent could have the maximum water adsorbing amount over 0.4 g/g in a range of a driving pressure of devices, to which a water adsorbent can be applied, such as dehumidifiers, water adsorption refrigerators and air conditioners. In addition, a water adsorbing composition for surface coating comprising the organic-inorganic nanoporous material-metal ...

SYNTHESIS OF SUPERHYDROPHOBIC COPOLYMER USING CARBON DIOXIDE SOLVENT AND APPLICATION THEREOF

The present invention relates to a method for preparing a superhydrophobic random copolymer using a carbon dioxide solvent, and more specifically to a method for preparing a copolymer for surface coating which has a superhydrophobic property through the use of a supercritical carbon dioxide solvent as a copolymerization solvent and the radical copolymerization of a hydrocarbon monomer and a silicone monomer or a fluorinated monomer.

METAL SELENIDE-SUPPORTED CATALYST, PREPARATION METHOD THEREFOR, AND URETHANE PREPARATION METHOD USING SAME

One embodiment of the present invention provides: a metal selenide-supported (MSe2) catalyst for preparing urethane, comprising a solid support and a metal selenide (MSe2) adsorbed and supported on the surface of the solid support; a preparation method therefor; a method for preparing urethane by using the metal selenide-supported (MSe2) catalyst; and urethane prepared thereby.

METHOD FOR PREPARING ORGANIC/INORGANIC NANOPOROUS MATERIAL-METAL CHLORIDE HYBRID WATER ABSORBENT COMPOSITION, WATER ABSORBENT COMPOSITION PREPARED THEREBY, AND WATER ABSORBENT COMPOSITION FOR SURFACE COATING, CONTAINING SAME

The present invention relates to a method for preparing an organic/inorganic nanoporous material-metal chloride hybrid water absorbent composition, and a water absorbent composition prepared thereby and, more specifically, provided in one embodiment of the present invention is a method for preparing a water absorbent composition, comprising the steps of: synthesizing an organic/inorganic nanoporous material by crystallizing an aluminum precursor and a dicarboxylic acid organic ligand; removing unreacted organic materials by heat treating the organic/inorganic nanoporous material; infiltrating, by mixing the same with a metal chloride solution, a metal chloride into organic/inorganic nanoporous material particles; removing a solvent by oven-drying the mixture; obtaining a powder by pulverizing the dried product; and removing the remaining water by vacuum-drying the powder. According to one embodiment of the present invention, the water absorbent composition has a maximum water absorption ...

다공성 제올라이트-금속염 복합체를 이용한 열화학식 축열소재 및 이의 제조방법

... 본 발명의 일실시예는 열화학식 축열소재에 있어서, 다공성 제올라이트 및 금속염을 포함하고, 상기 다공성 제올라이트의 공극 내 및 다공성 제올라이트 입자 사이에 상기 금속염이 함침되어 상기 공극 내 및 다공성 제올라이트 입자 사이에 금속염이 위치하는 형태로 구성되며, 부피변화율이 1% 내지 30% 이고, 축열량이 300J/g 내지 1200 J/g인 것을 특징으로 하는 다공성 제올라이트-금속염 복합체를 이용한 열화학식 축열소재 및 열화학식 축열소재용 다공성 제올라이트-금속염 복합체의 제조방법을 제공한다.

PREPARATION METHOD OF CATALYST FOR REMOVAL OF VOLATILE ORGANIC COMPOUNDS ADSORPTION AND ITS APPLICATION.

... 휘발성 유기 화합물을 분해에 사용되는 촉매 및 흡착제 특히, 오존(O3)의 분해를 통한 휘발성 유기 화합물의 제거 과정에서 촉매 및 흡착제를 사용하여 분해능을 향상시킨다. 흡착 및 촉매제로 구리(Cu)와 망간(Mn)을 다공성 실리카를 함침하는 방법을 이용하여 제조하여, 휘발성 유기 화합물의 분해능을 향상시키고자 한다. 본원 발명에 의한 구리(Cu)와 망간(Mn)을 다공성 실리카를 함침하여 제조한 오존(O3)의 분해를 이용한 휘발성 유기 화합물(Volatile Organic Compounds; VOCs) 흡착 제거용 촉매를 사용하여 휘발성 유기 화합물을 제거하면, 휘발성 유기 화합물의 제거능이 향상될 뿐만 아니라, 반응하지 않고 남아있는 오존(O3)의 분해능도 향상되어 반응 후 휘발성 유기 화합물과 오존(O3)이 검출되지 않는 효과를 나타낸다.

METHOD FOR PREPARING POLYSILSESQUIOXANE USING CARBON DIOXIDE SOLVENT AND POLYSILSESQUIOXANE PREPARED USING SAME

Provided is a method for preparing polysilsesquioxane in a carbon dioxide solvent by means of controlling the temperature and pressure in a reactor. According to the method, different solubilities of reactants and products are applied in the process of preparing the polysilsesquioxane (PSSQ) in accordance with, specifically, the temperature and pressure of the phase changes, for example a liquid or a supercritical phase, of the carbon dioxide, which is an environmentally-friendly and pollution-free solvent. The abovementioned method enables unreacted material to be easily removed and polysilsesquioxane (PSSQ) to be obtained at a high purity and high yield.

POWER GENERATION SYSTEM USING CHIMNEY EFFECT

The present invention relates to a power generation system which does not need excavation of a deep road air passage and can perform stable power generation even though relatively less time and manpower and costs are required for construction thereof. The power generation system of the present invention includes: an air supply path formed vertically toward the underground on the ground; a connection path formed horizontally at a lower part of the air supply path; an air ventilation path formed vertically toward the ground at an end of the connection path at one side of the air ventilation path; a power generation part which is installed on an upper part of the air ventilation path, and has a wind power turbine generating power by air rising from the air ventilation path; a geothermal heat collection part which includes a borehole formed by being drilled underground to a lower part of the connection path, and a circulation pipe which is inserted into the borehole and accommodates water, ...

APPARATUS AND METHOD FOR HYBRID VENTILATION OF BUILDING USING STACK EFFECT

ZEOLITE-METAL CHLORIDE HYBRID WATER ADSORPTION COMPOSITION AND METHOD FOR PREPARING SAME

The present invention relates to a water adsorption composition applicable for dehumidifiers or water adsorption type chillers, and a method for preparing the same and, in particular, to a hybrid composition of porous zeolites and metal chlorides, and a technique regarding a method for preparing the same. The present invention, relating to a water adsorption composition, provides a zeolite-metal chloride hybrid water adsorption composition which comprises porous zeolites and metal chlorides, wherein the porous zeolites are at least one zeolite selected from aluminophosphate-type zeolites and ferroaluminophosphate-type zeolites.

SYNTHESIS OF SUPERHYDROPHOBIC COPOLYMER USING CARBON DIOXIDE SOLVENT AND APPLICATION THEREOF

The present invention relates to a method for preparing a superhydrophobic random copolymer using a carbon dioxide solvent, and more specifically to a method for preparing a copolymer for surface coating which has a superhydrophobic property through the use of a supercritical carbon dioxide solvent as a copolymerization solvent and the radical copolymerization of a hydrocarbon monomer and a silicone monomer or a fluorinated monomer.

SUPPORTED METAL SELENIDE CATALYST, METHOD FOR MANUFACTURING SAME, AND METHOD FOR MANUFACTURING URETHANE USING SAME

An embodiment of the present invention provides: a solid support; a metal selenide (MSe_2) supported on the surface of the solid support comprising the metal selenide (MSe_2) while being adsorbed; a method for manufacturing the same; a method for manufacturing urethane using the metal selenide (MSe_2) supported catalyst; and urethane manufactured thereby. COPYRIGHT KIPO 2018 (AA) Start (BB) End (S110) Step of manufacturing a first solution by mixing a metal compound, selenium dioxide (SeO_2), and a stabilizer (S120) Step of inserting the solid support into the first solution (S130) Step of injecting carbon monoxide into the first solution (S140) Step of allowing the solid support and carbon monoxide inserted into the first solution to react to each other so that a metal selenide (MSe_2) is supported on the surface of the solid support ...

HEAT CONDUCTIVE MOISTURE ADSORBENT CONTAINING METAL NANOPARTICLES AND PRODUCTION METHOD THEREOF

The present invention relates to a heat conductive moisture adsorbent and a production method thereof. The heat conductive moisture adsorbent comprises: zeolite-based porous particles; and metal nanoparticles attached to surfaces of the zeolite-based porous particles. Some or the whole zeolite-based porous particles are separated by the metal nanoparticles. The moisture adsorbent shows excellent heat conductivity by containing metal nanoparticles which are uniformly distributed on the surfaces of the zeolite-based porous particles. COPYRIGHT KIPO 2017 ...

METAL-DOPED ORGANIC/INORGANIC NANO-POROUS BODY MOISTURE ADSORBENT AND PRODUCTION METHOD THEREOF

The present invention relates to a metal-doped organic/inorganic nano-porous body moisture adsorbent and a production method thereof. More specifically, the present invention relates to a metal-doped organic/inorganic nano-porous body moisture adsorbent using a metal-doped organic/inorganic nano-porous body formed by reacting an aluminum precursor, fumaric acid, and a metal compound capable of enhancing moisture adsorptiveness at the same time. The moisture adsorbent can have maximum moisture adsorption capacity of at least 400 mg/g within a driving pressure range of a device. The moisture adsorbent exhibits a property of having a maximum moisture adsorption amount of 400 mg / g or more in a driving pressure range of a device to which moisture adsorbents such as a dehumidifier, a water adsorption-type refrigerator, a cooling and heating apparatus can be applied. COPYRIGHT KIPO 2018 (AA) Production example 2 (BB) Production example 1 (CC) Production example 3 ...

IMPROVED METHOD FOR PREPARING ZEOLITE-METAL CHLORIDE HYBRID MOISTURE ADSORBENT AND MOISTURE ADSORBENT PREPARED BY SAME, AND METHOD FOR PREPARING MOISTURE ADSORBENT COMPOSITION FOR SURFACE COATING COMPRISING SAME

The present invention relates to an improved method for preparing a zeolite-metal chloride hybrid moisture adsorbent applicable to dehumidifiers and moisture adsorbent-type refrigerators, and more particularly, provides an improved method for preparing a zeolite-metal chloride hybrid moisture adsorbent, wherein the method comprises a step for dissolving a metal chloride in water to prepare a first solution; a step for mixing a porous zeolite including a ferroaluminophosphate-based zeolite into the first solution to prepare a second solution; a step for spraying the second solution to form droplets having a specific average diameter; and a step for drying the droplets to prepare the moisture adsorbent. In addition, the present invention provides a method for preparing a moisture adsorbent composition for surface coating, wherein the method comprises a step for dispersing a moisture adsorbent in a dispersant to prepare a dispersion solution; a step for adding an epoxy-based binder resin to ...

MOBILE COMMUNICATION TERMINAL WITH MIRROR AND PROTECTIVE CASE HAVING MIRROR ATTACHABLE TO MOBILE COMMUNICATION TERMINAL

An embodiment of the present invention relates to a mobile communication terminal with a mirror and a protective case having a mirror attachable to the mobile communication terminal. The technical problem to be solved is to provide a mobile communication terminal with a mirror which allows a photographer to photograph a self-portrait (pose) simultaneously photographed through a mirror while gazing at the camera at the time of self-portrait photographing and makes it easier for anyone to shoot a selfish, and a protective case having a mirror attachable to the mobile communication terminal. To this end, the present invention discloses a mobile communication terminal which includes a terminal body having a display part on a front surface thereof and a camera lens on a rear surface thereof; a rear cover coupled to the rear surface of the terminal body and having a through hole formed in a region corresponding to the camera lens; and a mirror formed on the surface of the rear cover around the ...

발수 및 항균 기능을 동시에 갖는 유무기 입자 소재 및 이의 제조방법

... 본 발명은 발수 및 항균 기능을 동시에 갖는 유무기 입자 소재에 관한 것으로, 더욱 상세하게는 금속산화물로 이루어진 코어층, 코어층의 둘레에 형성되며, 항균 특성을 가지는 화합물로 이루어지는 내부 쉘층 및 내부 쉘층의 둘레에 형성되며, 발수 특성을 가지는 화합물로 이루어지는 외부 쉘층을 포함하여 발수 및 항균 기능을 동시에 갖는 유무기 입자 소재 및 이의 제조방법을 제공하여, 발수 및 항균 특성을 극대화시킴과 동시에 제조단계를 단순화하여 공정효율 증진 및 제조단가 절감 효과를 갖는 발수 및 항균 기능을 동시에 갖는 유무기 입자 소재 및 이를 포함하여 제조되는 기능성 필름에 관한 기술을 제공한다.

CUSHION DEVICE OF EARTHQUAKE-RESISTANT HOOK

According to the present invention, a hook roller (6) is transversely moved without being intruded between upper and lower flanges of a hook beam (7), and when the hook roller (6) is anchored in the upper flange of the hook beam (7) in case of an earthquake, shock and vibration of the earthquake can be absorbed by compression of a spring (4). COPYRIGHT KIPO 2018 (AA) Earthquake-resistant cushion device (BB) Trolley (CC) Detail drawing B ...

PREPARATION METHOD OF ORGANIC-INORGANIC NANOPOROUS MATERIAL-METAL CHLORIDE HYBRID MOISTURE ADSORBENT, MOISTURE ADSORBENT PREPARED THEREBY, AND MOISTURE ADSORPTION COMPOSITION FOR SURFACE COATING COMPRISING SAME

The present invention relates to a preparation method of an organic-inorganic nanoporous material-metal chloride hybrid moisture adsorbent, a moisture adsorbent prepared thereby, and a moisture adsorption composition for surface coating comprising the organic-inorganic nanoporous material-metal chloride hybrid moisture adsorbent. The preparation method according to an embodiment of the present invention comprises impregnating a predetermined amount of a metal chloride that can further improve moisture adsorption properties in pores of an organic-inorganic nanoporous material formed by a crystallization reaction between an aluminum precursor and fumaric acid, thereby preparing the organic-inorganic nanoporous material-metal chloride hybrid moisture adsorbent. The organic-inorganic nanoporous material-metal chloride hybrid moisture adsorbent can have a maximum moisture adsorption amount of 0.4 g/g or more in a driving pressure range of devices such as a dehumidifier, a moisture adsorption ...

COMPRESSING WEIGHT DEVICE OF EARTHQUAKE-PROOF ANCHOR FOR OVERHEAD ROTARY CRANE

The present invention relates to a device, preventing a vehicle wheel (31) of a crane bogie from being derailed from a rail (52) by an impact of an earthquake ground motion and absorbing an earthquake impact from a cylindrical steel structure. The device has a vertical restoring force which enables a hook (43) of an earthquake-proof anchor to always maintain a predetermined interval from a flange (51). COPYRIGHT KIPO 2017 ...

MOISTURE ADSORBING COMPOSITION USING MESOPOROUS SILICA AND METHOD FOR MANUFACTURING SAME

The present invention relates to a moisture adsorbing composition, which is applicable to a dehumidifier and a moisture adsorbing freezer, and a method for manufacturing the same and, more specifically, to a mesoporous silica type adsorbing composition, which is transformed to be suitable for a dehumidifier and a moisture adsorbing freezer by controlling the pore size of mesoporous silica, and to a method for manufacturing the same. The mesoporous silica moisture adsorbing composition of a two-dimensional hexagonal structure, surface-modified by silane, according to the present invention is expected to have an efficiency in which the maximum moisture adsorbing amount is more than or equal to 0.55 g-water/g-sorbent within a driving pressure range of P/Po = 0.1 to 0.3. COPYRIGHT KIPO 2016 (AA) Mesoporous silica manufacturing step (BB) Surfactant dissolution step (CC) Silicate of soda adding step (DD) Sulfuric acid loading step (EE) Reacting step (FF) Surface reforming step (GG) Solvent distribution ...

SUPPORTED TRANSITION METAL SELENIDE CATALYST, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING URETHANE USING SAME

According to an embodiment of the present invention, provided are a metal selenide (MSe_2) supported catalyst for producing urethane and a method for producing the same, wherein the catalyst comprises a solid supporting material and metal selenide (MSe_2) supported by being adsorbed onto a surface of the solid supporting material. Moreover, the present invention provides a method for producing urethane by using the metal selenide (MSe_2) supported catalyst and urethane manufactured thereby. COPYRIGHT KIPO 2018 (AA) Start (BB) End (S110) Step of mixing a metal compound, selenium dioxide (SeO_2) and a stabilizer to prepare a first solution (S120) Step of introducing a solid carrier into the first solution (S130) Step of injecting carbon monoxide into the first solution (S140) Step of reacting the solid support and carbon monoxide introduced into the first solution to adsorb and support the metal selenide (MSe_2) on the solid support surface ...

STORAGE DEVICE FOR COTTON SWAB REMOVERS

The present invention relates to a storage device for cotton swab remover, which includes: a liquid storage container having remove liquid storage space therein and a hole on one side of the front surface; a liquid containing member provided in the liquid storage space of the liquid storage container to contain remover liquid, and having elasticity; a cotton swab case filled up with cotton swabs, having a discharge hole on the front surface and a inlet hole provided on a lateral surface, and coupled to the liquid storage container to be detachable; a cotton swab discharge member coupled to a side wall of the cotton swab case to perform linear movement, and discharging a cotton swab through the discharge hole after one side of the cotton swab is applied with the remover liquid in accordance with the linear movement; an opening/closing member hinge-coupled to one side of the cotton swab case and opening or closing the inlet hole of the cotton swab case; and a cotton swab pressurization unit ...

ORGANIC-INORGANIC PARTICLE MATERIAL HAVING BOTH WATER-REPELLENT AND ANTIBACTERIAL FUNCTIONS, AND PREPARATION METHOD THEREOF

The present invention relates to an organic-inorganic particle material having both water-repellent and antibacterial functions, and more specifically, to an organic-inorganic particle material having both water-repellent and antibacterial functions and to a method of producing the same, wherein the organic-inorganic particle material comprises: a core layer which is made of a metal oxide; an inner shell layer which is formed around the core layer and made of a compound having antibacterial properties; and an outer shell layer which is formed around the inner shell layer and made of a compound having water-repellent properties. Accordingly, the present invention maximizes the water-repellent and antibacterial properties and at the same time, simplifies the production steps to improve process efficiency and reduce production cost. COPYRIGHT KIPO 2017 ...

담지된 금속셀레나이드 촉매, 이의 제조방법 및 이를 이용한 우레탄 제조방법

... 본 발명의 일실시예는 고형의 담지체 및 상기 고형의 담지체의 표면에 흡착되어 담지되는 금속셀레나이드(MSe2)를 포함하는 것을 특징으로 하는 우레탄 제조용 금속셀레나이드(MSe2) 담지 촉매 및 이의 제조방법, 상기 금속셀레나이드(Mse2) 담지 촉매를 사용하여 우레탄 제조하는 방법 및 이에 의하여 제조되는 우레탄을 제공한다.

내진(耐震) 갈고리의 쿠션장치

... 본 발명은 갈고리롤러(6)가 갈고리빔(7)의 상하 플랜지 사이에서 간섭되지 않고 횡행거동을 하고, 지진의 발동에서 갈고리롤러(6)가 갈고리빔(7)의 상부플랜지에 걸리(anchor)는 순간 스프링(4)의 압착으로서 지진충격과 진동을 완충하여 흡수하게 되는 것이 특징이다.