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1.发明公开公开(公告)号：US20230331940A1
公开(公告)日：2023-10-19
申请号：US18332370
申请日：2023-06-09
发明人： Dong-Chul Pyun , Richard S. Glass , Kyle Carothers , Yueyan Zhang , Taeheon Lee , Kyung-Seok Kang
IPC分类号： C08J3/26 , C08G75/0209 , C08G75/0222
CPC分类号： C08J3/26 , C08G75/0209 , C08G75/0222 , C08J2307/02
摘要： Methods of vulcanization using a high content sulfur polymer, instead of elemental sulfur, have been developed. These high sulfur content polymers are referred to as Chalcogenide Hybrid Inorganic/Organic Polymers (CHIP) materials and have good polymer compatibility in that they are soluble in a number of polymers. Furthermore, CHIP materials may have weaker bonds than the S—S bonds of elemental sulfur and thus provide for a higher crosslinking efficiency vulcanization.
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公开(公告)号：US20240254290A1
公开(公告)日：2024-08-01
申请号：US18598881
申请日：2024-03-07
发明人： Dong Chul Pyun , Robert Norwood , Jon Njardarson , Kyung-Seok Kang , Richard GLASS , Taeheon Lee , Chisom OLIKAGU , Kyle CAROTHERS
IPC分类号： C08G77/60
CPC分类号： C08G77/60
摘要： A polymer includes the reaction product of a mixture of a chalcogenide halide and one or more organic compounds comprising an unsaturated carbon-carbon bond under reaction conditions sufficient to produce the polymer, wherein the chalcogenide halide comprises a sulfur monohalide, a sulfur dihalide, a selenium monohalide, a selenium dihalide, a selenium tetrahalide, or a combination of any two or more thereof. Such sulfur-containing polymers have a high refractive index and high Abbe number and are suitable for use in variety of applications relating to optical devices.
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公开(公告)号：US20240240088A1
公开(公告)日：2024-07-18
申请号：US18598889
申请日：2024-03-07
发明人： Dong Chul Pyun , Robert Norwood , Jon Njardarson , Richard Glass , Taeheon Lee , Chisom Olikagu , Kyung-Seok Kang
摘要： A flame retardant composition includes a polymers that is the reaction product of a mixture of a chalcogenide halide and one or more organic compounds comprising an unsaturated carbon-carbon bond under reaction conditions sufficient to produce the polymer, wherein the chalcogenide halide comprises a sulfur monohalide, a sulfur dihalide, a selenium monohalide, a selenium dihalide, a selenium tetrahalide, or a combination of any two or more thereof.
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公开(公告)号：US20230098612A1
公开(公告)日：2023-03-30
申请号：US17797531
申请日：2021-02-04
发明人： Kyungseok Kang , Jeffrey Pyun , Taeheon Lee
摘要： A composition includes a reaction product of a mixture of elemental sulfur and at least a first ethylenically unsaturated compound comprising a hydroxyl or carboxyl group.
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