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公开(公告)号：US12054609B2
公开(公告)日：2024-08-06
申请号：US17825134
申请日：2022-05-26
发明人： Ki Hong Choi , Tae Gon Kang , Dong Yeop Shin , Ye Seul Shin , Sung Woo Yang , Seo Yun Lee , Dong In Ha
CPC分类号： C08L69/00 , C08K3/04 , C08K3/34 , C08K7/06 , C08K7/14 , C08L51/04 , C08K2201/005 , C08L2201/02 , C08L2201/08 , C08L2203/20 , C08L69/00 , C08K3/22 , C08K3/34 , C08K3/346 , C08K5/523 , C08L51/04
摘要： A thermoplastic resin composition comprises: about 100 parts by weight of a polycarbonate resin; about 3 parts by weight to about 20 parts by weight of a rubber-modified aromatic vinyl copolymer resin; about 12 parts by weight to about 28 parts by weight of talc having an average particle size of about 8 μm to about 20 μm and a blackness degree L* of less than about 90; about 5 parts by weight to about 20 parts by weight of acicular inorganic fillers; and about 10 parts by weight to about 30 parts by weight of a phosphorus flame retardant. The thermoplastic resin composition can have good properties in terms of light shielding, impact resistance, dimensional stability, flame retardancy, balance therebetween, and the like.
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公开(公告)号：US12043736B2
公开(公告)日：2024-07-23
申请号：US17059288
申请日：2019-05-21
发明人： Yeong Deuk Seo , Sang Hwa Lee , Sang Hyun Hong
CPC分类号： C08L77/10 , C08K2003/265 , C08L2201/08 , C08L2203/20 , C08L2205/02 , C08L2205/03 , C08L2666/62 , C08L2666/72 , C23C18/31 , C25D3/04 , C25D5/56 , C08L77/10 , C08L51/06 , C08L77/06 , C08K3/346 , C08K3/26
摘要： The polyamide resin composition of the present invention comprises: about 15 to about 49 wt % of an aromatic polyamide resin containing a repeating unit represented by chemical formula 1 and a repeating unit represented by chemical formula 2; about 1 to about 30 wt % of a polyamide resin having a glass transition temperature of about 40 to about 120° C.; about 1 to about 20 wt % of an olefin-based copolymer; about 5 to about 40 wt % of calcium carbonate; and about 5 to about 40 wt % of talc. The polyamide resin composition and the molded product formed therefrom are excellent in plating adhesion, impact resistance, stiffness, heat resistance, flowability, appearance characteristics, and the like.
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公开(公告)号：US12038134B2
公开(公告)日：2024-07-16
申请号：US17777701
申请日：2020-11-18
发明人： Dae Gun Kim , Kyo Min Lee , Young Koan Ko , You Jung Lee , Won Young Kim
CPC分类号： F17C13/06 , F17C1/06 , F17C2201/0109 , F17C2203/0604 , F17C2203/066 , F17C2205/0308 , F17C2205/0323 , F17C2221/012 , F17C2221/033 , F17C2221/035 , F17C2223/035
摘要： The present invention discloses a knob cap for a high-pressure tank including a first knob cap portion having a coupling groove coupled to a knob of a liner of the high-pressure tank in a lower surface, including a peripheral wing portion extending outward to be in contact with a surface of the liner to outside of a lower portion, and having a column portion in the shape of a column extending upward in a center; and a second knob cap portion integrally coupled with the first knob cap portion, having the column portion of the first knob cap portion inserted into a hollow, and including a plurality of inner grooves in the shape of a column having an upper end opened outside of the hollow and extending downward.
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公开(公告)号：US20240026060A1
公开(公告)日：2024-01-25
申请号：US18255055
申请日：2021-11-30
发明人： Jae Kyung Yun , In Seob Woo , Ha Young Kim , Jun Kyo Jeong
IPC分类号： C08G18/42 , C08G63/181
CPC分类号： C08G18/4211 , C08G63/181 , C08G2110/0025
摘要： The present invention relates to polyester polyol and polyurethane prepared from the polyester polyol, the polyester polyol being prepared from an acid component containing at least one type of pure isophthalic acid (PIA) and phthalic anhydride (PA) and an alcohol component represented by chemical formula 1:
HO-L3-OH [Chemical Formula 1]
L3 is a straight or branched chain alkylene group having 2 to 6 carbon atoms substituted or unsubstituted with a hydroxyl group; or a straight or branched chain ether group having 2 to 6 carbon atoms substituted or unsubstituted with a hydroxyl group.
The polyester polyol according to the present invention has excellent storage stability and compatibility, and the polyurethane prepared using the polyester polyol has excellent flame retardancy and dimensional stability.-
公开(公告)号：US20240025162A1
公开(公告)日：2024-01-25
申请号：US18253380
申请日：2021-11-10
发明人： Sun Hyung OH , Hyun Sup LEE , Tae Woo KIM , Jeong Min LEE , Yu Na MOON , Jun Ki KIM , Jik Soo SHIN , Byung Sam SON
CPC分类号： B32B27/08 , C08L45/00 , C08L23/14 , B32B27/325 , C08L2201/10 , C08L2203/10 , C08L2203/16 , C08L2205/025 , C08L2205/03 , B32B2270/00 , B32B2250/242 , B32B2307/736 , B32B2307/414 , B32B2307/54 , B32B2519/00 , B32B2250/03 , B32B2307/72
摘要： Disclosed is a film for a shrinkable label with improved transparency and stiffness in the film for a shrinkable label using a non-adhesive polyolefin-based material. The present invention is a film for a shrinkable label, the film including a skin layer, a core layer, and a seal layer, wherein the skin layer and the seal layer include 70 parts by weight to 90 parts by weight of a cyclic olefin resin and 10 parts by weight to 30 parts by weight of a linear low-density polyethylene, and the core layer includes 5 parts by weight to 25 parts by weight of a cyclic olefin resin, 60 parts by weight to 85 parts by weight of a propylene copolymer, and 1 part by weight to 20 parts by weight of a modifier.
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公开(公告)号：US20240024825A1
公开(公告)日：2024-01-25
申请号：US18253330
申请日：2021-11-05
发明人： Sun Young Jung , Chang Kyu Son , Min Suk Jung , Hee Won Cho , Kyung Hoon Kim
CPC分类号： B01D67/0027 , B01D71/261 , B01D71/262 , C08L23/12 , C08L23/06 , C08L2207/062 , C08L2205/025 , B01D2323/081 , B01D2325/26 , B01D2325/24 , B01D2325/04
摘要： Disclosed are a polyolefin resin composition usable in manufacturing a single-layered dry porous membrane having excellent meltdown and shutdown properties, and a porous membrane using the polyolefin resin composition. The present invention provides a polyolefin resin composition for a porous membrane, wherein the polyolefin resin composition includes 30 wt % to 70 wt % of a high-density polyethylene having a melt flow index (190° C., 2.16 kg load) of 0.1 g/10 min to 5 g/10 min, a crystallization temperature of 115° C. to 125° C., and a degree of crystallinity of 75% or greater, and 30 wt % to 70 wt % of a high-crystallinity polypropylene having a melt flow index (230° C., 2.16 kg load) of 5 g/10 min to 20 g/10 min.
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公开(公告)号：US20240018086A1
公开(公告)日：2024-01-18
申请号：US18254262
申请日：2021-11-04
发明人： Jin Hyung Kim , Mi Hwa Baek , Wang Gyu Kim , Jong Myung Choi , Eun Hye Han
IPC分类号： C07C68/065 , B01J31/08
CPC分类号： C07C68/065 , B01J31/08 , B01J2231/49 , B01J2531/002
摘要： The present specification provides a method of preparing a heterogeneous linear carbonate, including transesterifying an aliphatic alcohol and a symmetric linear carbonate in the presence of a catalyst, wherein the catalyst is a porous type basic ion exchange resin having an exchange capacity of 1 (eq/l-wet resin) or more and 1.5 (eq/l-wet resin) or less. The preparation method of the present specification provides a method of preparing a heterogeneous, symmetric linear carbonate and asymmetric linear carbonate in high yield without a process of reactive distillation.
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公开(公告)号：US20240001348A1
公开(公告)日：2024-01-04
申请号：US18253282
申请日：2021-11-19
发明人： Myung Gi Seo , Sang Sun Park , Eo Jin Lee , Seung Hee Kang , Hyung Ki Min , Jin Hyuk Cho , Sung Hyun Hong , Soo Young Kim , Sang Hyun Ahn
CPC分类号： B01J23/896 , B01J35/10
摘要： The present invention relates to a ternary catalyst for carbon dioxide reduction, the catalyst including Au and Cu, and further including In or Mo, wherein the content of In or Mo is 0.1 at % to 3 at %.
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公开(公告)号：US20230406810A1
公开(公告)日：2023-12-21
申请号：US18254247
申请日：2021-11-05
发明人： Eun Hye Han , Wang Gyu Kim , Mi Hwa Baek , Jong Myung Choi , Jin Hyung Kim
CPC分类号： C07C68/06 , B01J31/10 , B01J2231/49 , B01J2531/002
摘要： The present invention provides a method of preparing a heterogeneous linear carbonate, the method including transesterifying an aliphatic alcohol and a symmetric linear carbonate in the presence of a catalyst, wherein the catalyst is an acidic ion exchange resin, and a mass ratio of the aliphatic alcohol and the symmetric linear carbonate (aliphatic alcohol:symmetric linear carbonate) is 1:10 or more and 50:1 or less. The preparation method of the present specification provides a method of preparing a heterogeneous, symmetric linear carbonate and asymmetric linear carbonate in high yield without a process of reactive distillation, and is economical because a product and a catalyst can be easily separated.
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10.发明公开公开(公告)号：US20230406809A1
公开(公告)日：2023-12-21
申请号：US18254010
申请日：2021-11-04
发明人： Jong Myung Choi , Mi Hwa Baek , Wang Guy Kim , Eun Hye Han , Jin Hyung Kim
CPC分类号： C07C68/06 , B01J31/068 , C07C2531/06 , B01J2231/49
摘要： The present invention is directed to providing a method of preparing a heterogeneous linear carbonate, including: performing a transesterification reaction of dimethyl carbonate (DMC) and ethanol (EtOH) in the presence of a catalyst, wherein the catalyst is an amine-based compound having a boiling point of 150° C. or more.
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