Patents by Inventor Sung Min YU
Sung Min YU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20240132364Abstract: Provided is an aerogel blanket and a method for producing the same, wherein a catalyzed sol is sufficiently and uniformly impregnated into a blanket in an impregnation tank, and the catalyzed sol is allowed to stay in the impregnation tank for a specific time to control fluidity while achieving a viscosity at which the catalyzed sol can be easily introduced into the blanket, thereby forming a uniform aerogel in the blanket. As a result, the uniformity of pore structure and thermal insulation performance of an aerogel blanket are improved, the loss of raw materials is reduced through the impregnation process, the occurrence of process problems is reduced, and the generation of dust is reduced.Type: ApplicationFiled: December 12, 2023Publication date: April 25, 2024Inventors: Young Hun KIM, Se Won BAEK, Sung Min YU, Kyung Seok MIN, Hyun Woo JEON, Sang Woo PARK, Bong June KIM
-
Patent number: 11926529Abstract: Provided is an aerogel blanket and a method for producing the same, wherein a catalyzed sol I sufficiently and uniformly impregnated into a blanket in an impregnation tank, and the catalyzed sol is allowed to stay in the impregnation tank for a specific time to control fluidity while achieving a viscosity at which the catalyzed sol can be easily introduced into the blanket, thereby forming a uniform aerogel in the blanket. As a result, the uniformity of pore structure and thermal insulation performance of an aerogel blanket are improved, the loss of raw materials is reduced through the impregnation process, the occurrence of process problems is reduced, and the generation of dust is reduced.Type: GrantFiled: August 28, 2020Date of Patent: March 12, 2024Assignee: LG Chem, Ltd.Inventors: Young Hun Kim, Se Won Baek, Sung Min Yu, Kyung Seok Min, Hyun Woo Jeon, Sang Woo Park, Bong June Kim
-
Publication number: 20230399233Abstract: The present invention relates to a device for producing an aerogel blanket, and a method for producing an aerogel blanket. The device for producing an aerogel blanket according to present invention is a device for producing an aerogel blanket, including a supply part, which supplies a fiber containing sol, and a conveyor belt which moves the fiber supplied from the supply part, wherein the conveyor belt is provided in multiple levels to move the fiber while reversing the fiber, and a start time at which the conveyor belt reverses the fiber is before fluidity of the sol is completely lost.Type: ApplicationFiled: August 29, 2023Publication date: December 14, 2023Applicant: LG CHEM, LTD.Inventors: Mi Ri KIM, Sang Woo PARK, Se Won BAEK, Moo Kwang SHIN, Sung Min YU, Kyoung Shil OH
-
Publication number: 20230391628Abstract: The present disclosure relates to a device for producing an aerogel blanket, and a method for producing an aerogel blanket. The device for producing an aerogel blanket according to present disclosure is a device for producing an aerogel blanket, including a supply part, which supplies a fiber containing sol, and a conveyor belt which moves the fiber supplied from the supply part, wherein the conveyor belt is provided in multiple levels to move the fiber while reversing the fiber, and a start time at which the conveyor belt reverses the fiber is before fluidity of the sol is completely lost.Type: ApplicationFiled: May 26, 2022Publication date: December 7, 2023Applicant: LG CHEM, LTD.Inventors: Mi Ri KIM, Sang Woo PARK, Se Won BAEK, Sung Min YU, Kyoung Shil OH
-
Publication number: 20220371902Abstract: The present invention provides an aerogel blanket including a blanket base, aerogel coupled on the surface of the blanket base, and aerogel located at a space between the blanket bases, the aerogel coupled on the surface of the blanket base is 50 wt % based on the total weight of aerogel, wherein the aerogel blanket has the number of aerogel particles separated from the aerogel blanket ranging from 13,600 to 90,000 per ft3, when vibrating the aerogel blanket at a frequency of 1 Hz to 30 Hz for 2 hours to 10 hours.Type: ApplicationFiled: September 3, 2020Publication date: November 24, 2022Applicant: LG CHEM, LTD.Inventors: Tae Gyeong Kang, Bong June Kim, Se Won Baek, Hyun Woo Jeon, Sung Min Yu, Young Hun Kim, Sang Woo Park
-
Publication number: 20220098046Abstract: Provided is a silica sol, a silica aerogel blanket using the same, and a method for manufacturing the same, wherein a hydrophobizing agent, a base catalyst, an organic solvent, and water are included in a catalyst composition when manufacturing the silica aerogel blanket, so that a wet aging step which is performed under high-temperature conditions and increases the amount of a solvent used, and a surface modification step which uses a large amount of an organic solvent and an expensive surface modifier, resulting in a process that is complex and long and thus inhibiting economic feasibility and productivity, can be omitted.Type: ApplicationFiled: September 28, 2020Publication date: March 31, 2022Inventors: Kyu Reon LEE, Se Won BAEK, Hyun Woo JEON, Mi Ri KIM, Sung Min YU, Sang Woo PARK, Bong June KIM
-
Publication number: 20220048778Abstract: Provided is an aerogel blanket and a method for producing the same, wherein a catalyzed sol I sufficiently and uniformly impregnated into a blanket in an impregnation tank, and the catalyzed sol is allowed to stay in the impregnation tank for a specific time to control fluidity while achieving a viscosity at which the catalyzed sol can be easily introduced into the blanket, thereby forming a uniform aerogel in the blanket. As a result, the uniformity of pore structure and thermal insulation performance of an aerogel blanket are improved, the loss of raw materials is reduced through the impregnation process, the occurrence of process problems is reduced, and the generation of dust is reduced.Type: ApplicationFiled: August 28, 2020Publication date: February 17, 2022Inventors: Young Hun KIM, Se Won BAEK, Sung Min YU, Kyung Seok MIN, Hyun Woo JEON, Sang Woo PARK, Bong June KIM
-
Patent number: 10836643Abstract: The present disclosure provides a silica aerogel-including blanket including a substrate for a blanket; and a silica aerogel and an opacifying agent locating at least one of on a surface of and inside the substrate for a blanket, wherein the opacifying agent is a second particulate with inorganic particles of a first particulate being aggregated, and includes 1 to 5 of the inorganic particles per unit volume of 1 ?m3, and a method for preparing the same. The silica aerogel-including blanket according to the present disclosure is capable of exhibiting flame retardancy as well as an excellent insulation property, particularly, an excellent insulation property at high temperatures, by including an opacifying agent having excellent dispersibility and high surface activity through chemical etching.Type: GrantFiled: October 18, 2019Date of Patent: November 17, 2020Assignee: LG CHEM, LTD.Inventors: Sung Min Yu, Kyoung Shil Oh, Je Kyun Lee
-
Publication number: 20200048100Abstract: The present disclosure provides a silica aerogel-including blanket including a substrate for a blanket; and a silica aerogel and an opacifying agent locating at least one of on a surface of and inside the substrate for a blanket, wherein the opacifying agent is a second particulate with inorganic particles of a first particulate being aggregated, and includes 1 to 5 of the inorganic particles per unit volume of 1 ?m3, and a method for preparing the same. The silica aerogel-including blanket according to the present disclosure is capable of exhibiting flame retardancy as well as an excellent insulation property, particularly, an excellent insulation property at high temperatures, by including an opacifying agent having excellent dispersibility and high surface activity through chemical etching.Type: ApplicationFiled: October 18, 2019Publication date: February 13, 2020Inventors: Sung Min YU, Kyoung Shil OH, Je Kyun LEE
-
Patent number: 10501326Abstract: The present disclosure provides a silica aerogel-including blanket including a substrate for a blanket; and a silica aerogel and an opacifying agent locating at least one of on a surface of and inside the substrate for a blanket, wherein the opacifying agent is a second particulate with inorganic particles of a first particulate being aggregated, and includes 1 to 5 of the inorganic particles per unit volume of 1 ?m3, and a method for preparing the same. The silica aerogel-including blanket according to the present disclosure is capable of exhibiting flame retardancy as well as an excellent insulation property, particularly, an excellent insulation property at high temperatures, by including an opacifying agent having excellent dispersibility and high surface activity through chemical etching.Type: GrantFiled: March 28, 2016Date of Patent: December 10, 2019Assignee: LG CHEM, LTD.Inventors: Sung Min Yu, Kyoung Shil Oh, Je Kyun Lee
-
Patent number: 10384946Abstract: The present invention relates to a low-dust, high insulation aerogel blanket and a method for producing the same. More specifically, the present invention provides a method for producing a low-dust, high insulation aerogel blanket, wherein a plate type Mg(OH)2.MgO.SiO2 powder is added to a silica sol, thereby being capable of reducing the generation of dust with excellent flame retardancy and thermal conductivity, and an aerogel blanket produced thereby.Type: GrantFiled: October 10, 2017Date of Patent: August 20, 2019Assignee: LG CHEM, LTD.Inventors: Kyoung Shil Oh, Je Kyun Lee, Sung Min Yu
-
Patent number: 10336621Abstract: The present invention relates to a method of preparing a high hydrophobic silica aerogel having a high specific surface area and a low tap density, and a hydrophobic silica aerogel prepared thereby. The method of preparing a hydrophobic silica aerogel according to the present invention may have good productivity and economic efficiency, because preparation time is reduced by simultaneously performing surface modification, gelation, and solvent substitution in a single step, and may control a degree of hydrophobicity of the prepared silica aerogel by controlling a surface modification reaction by including a step of adding ammonium hydroxide. Thus, the preparation method according to the present invention and the hydrophobic silica aerogel are suitable for industries that need the method and the hydrophobic silica aerogel, particularly, industries that need a silica aerogel having high hydrophobicity or industries that need a silica aerogel having various degrees of hydrophobicity.Type: GrantFiled: November 4, 2016Date of Patent: July 2, 2019Assignee: LG CHEM, LTD.Inventors: Young Hun Kim, Sung Min Yu, Je Kyun Lee
-
Publication number: 20180312407Abstract: The present invention relates to a low-dust, high insulation aerogel blanket and a method for producing the same. More specifically, the present invention provides a method for producing a low-dust, high insulation aerogel blanket, wherein a plate type Mg(OH)2.MgO.SiO2 powder is added to a silica sol, thereby being capable of reducing the generation of dust with excellent flame retardancy and thermal conductivity, and an aerogel blanket produced thereby.Type: ApplicationFiled: October 10, 2017Publication date: November 1, 2018Inventors: Kyoung Shil OH, Je Kyun LEE, Sung Min YU
-
Publication number: 20180029892Abstract: The present disclosure provides a silica aerogel-including blanket including a substrate for a blanket; and a silica aerogel and an opacifying agent locating at least one of on a surface of and inside the substrate for a blanket, wherein the opacifying agent is a second particulate with inorganic particles of a first particulate being aggregated, and includes 1 to 5 of the inorganic particles per unit volume of 1 ?m3, and a method for preparing the same. The silica aerogel-including blanket according to the present disclosure is capable of exhibiting flame retardancy as well as an excellent insulation property, particularly, an excellent insulation property at high temperatures, by including an opacifying agent having excellent dispersibility and high surface activity through chemical etching.Type: ApplicationFiled: March 28, 2016Publication date: February 1, 2018Inventors: Sung Min YU, Kyoung Shil OH, Je Kyun LEE
-
Patent number: 9862614Abstract: Provided is a method for preparing a hydrophobic silica aerogel by using a Soxhlet extraction, and a hydrophobic silica aerogel prepared by using the method. Since the preparation method according to the present invention may simultaneously perform washing and drying of a hydrophobic silica wet gel as well as solvent substitution and may remove an extraction solvent without an additional separation process, a hydrophobic silica aerogel having low tap density and high specific surface area may be easily prepared.Type: GrantFiled: February 4, 2015Date of Patent: January 9, 2018Assignee: LG CHEM, LTD.Inventors: Kyoung Shil Oh, Jin Hee Oh, Ye Hon Kim, Dong Hyun Cho, Mi Ri Kim, Sung Min Yu, Je Kyun Lee
-
Publication number: 20180002181Abstract: The present invention relates to a method of preparing a high hydrophobic silica aerogel having a high specific surface area and a low tap density, and a hydrophobic silica aerogel prepared thereby. The method of preparing a hydrophobic silica aerogel according to the present invention may have good productivity and economic efficiency, because preparation time is reduced by simultaneously performing surface modification, gelation, and solvent substitution in a single step, and may control a degree of hydrophobicity of the prepared silica aerogel by controlling a surface modification reaction by including a step of adding ammonium hydroxide. Thus, the preparation method according to the present invention and the hydrophobic silica aerogel are suitable for industries that need the method and the hydrophobic silica aerogel, particularly, industries that need a silica aerogel having high hydrophobicity or industries that need a silica aerogel having various degrees of hydrophobicity.Type: ApplicationFiled: November 4, 2016Publication date: January 4, 2018Inventors: Young Hun KIM, Sung Min YU, Je Kyun LEE
-
Patent number: 9834446Abstract: Provided are a method for preparing a hydrophobic silica aerogel by the combined use of a first surface modifier and a second surface modifier, and a hydrophobic silica aerogel prepared by using the method. A hydrophobic silica aerogel having excellent physical properties and pore characteristics as well as a high degree of hydrophobicity may be prepared with high efficiency by the preparation method according to the present invention.Type: GrantFiled: February 4, 2015Date of Patent: December 5, 2017Assignee: LG CHEM, LTD.Inventors: Mi Ri Kim, Kyoung Shil Oh, Ye Hon Kim, Dong Hyun Cho, Young Sam Kim, Sung Min Yu, Jin Hee Oh, Je Kyun Lee
-
Publication number: 20160264427Abstract: Provided is a method for preparing a hydrophobic silica aerogel by using a Soxhlet extraction, and a hydrophobic silica aerogel prepared by using the method. Since the preparation method according to the present invention may simultaneously perform washing and drying of a hydrophobic silica wet gel as well as solvent substitution and may remove an extraction solvent without an additional separation process, a hydrophobic silica aerogel having low tap density and high specific surface area may be easily prepared.Type: ApplicationFiled: February 4, 2015Publication date: September 15, 2016Inventors: Kyoung Shil OH, Jin Hee OH, Ye Hon KIM, Dong Hyun CHO, Mi Ri KIM, Sung Min YU, Je Kyun LEE