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公开(公告)号：WO2020181038A1
公开(公告)日：2020-09-10
申请号：PCT/US2020/021096
申请日：2020-03-05
Applicant: PRC-DESOTO INTERNATIONAL, INC.
Inventor： CUI, Weibin , CAI, Juexiao , LIN, Renhe
IPC: C08G75/02 , C08L63/04 , C08L81/02 , C09J163/00 , C09J163/04 , C09J181/02 , C09K3/10
Abstract: Chemically resistant sealant compositions include high equivalent weight sulfur-containing prepolymers. Upon exposure to chemicals the properties of sealants prepared using the prepolymers exhibit excellent fuel and phosphate ester resistance.
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公开(公告)号：WO2018132565A1
公开(公告)日：2018-07-19
申请号：PCT/US2018/013314
申请日：2018-01-11
Applicant: PRC-DESOTO INTERNATIONAL, INC.
Inventor： CUI, Weibin , LIN, Renhe
Abstract: Thiol-terminated polythioether compositions and sealants exhibit an extended working time and rapidly cure at room temperature at the end of the working time are disclosed. The compositions comprise a combination of pyridine catalysts.
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公开(公告)号：WO2018005686A1
公开(公告)日：2018-01-04
申请号：PCT/US2017/039818
申请日：2017-06-28
Applicant: PRC-DESOTO INTERNATIONAL, INC.
Inventor： CUI, Weibin , LIN, Renhe
Abstract: Hydroxyl -containing bis(alkenyl) ethers can be incorporated into the backbone of polythioether prepolymers and can be used as curing agents in thiol -terminated polythioether prepolymer compositions. Cured sealants prepared using compositions containing hydroxyl - containing bis(alkenyl) ether-containing polythioether prepolymers and/or hydroxyl -containing bis(alkenyl) ether curing agents exhibit improved physical properties such as rapid curing and compatibility with fillers suitable for use in aerospace sealant applications.
Abstract translation: 可以将含羟基的双（链烯基）醚引入到聚硫醚预聚物的骨架中，并且可以在硫醇封端的聚硫醚预聚物组合物中用作固化剂。 使用含有含羟基双（烯基）醚的聚硫醚预聚物和/或含羟基的双（烯基）醚固化剂的组合物制备的固化密封剂表现出改进的物理性质，例如快速固化和与适用于航空航天密封剂应用的填料的相容性
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公开(公告)号：WO2019010457A1
公开(公告)日：2019-01-10
申请号：PCT/US2018/041151
申请日：2018-07-06
Applicant: PRC-DESOTO INTERNATIONAL, INC.
Inventor： LIN, Renhe , CUI, Weibin
Abstract: Compositions that are resistant to hydraulic fluid and aviation fuel contain sulfur-containing prepolymers and solvent-resistant organic fillers. The compositions are useful in aerospace sealant applications.
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5.发明申请SULFUR-CONTAINING POLY(ALKENYL) ETHERS, PREPOLYMERS INCORPORATING SULFUR-CONTAINING POLY(ALKENYL) ETHERS, AND USES THEREOF 审中-公开含硫聚（烯基）醚，含有含硫聚（烯基）醚的预聚物及其用途
公开(公告)号：WO2018085650A1
公开(公告)日：2018-05-11
申请号：PCT/US2017/059924
申请日：2017-11-03
Applicant: PRC-DESOTO INTERNATIONAL, INC.
Inventor： CUI, Weibin , LIN, Renhe
Abstract: Sulfur-containing poly(alkenyl) ethers can be incorporated into the backbone of polythioether prepolymers and can be used as curing agents in thiol-terminated polythioether prepolymer compositions. Cured sealants prepared using compositions containing sulfur-containing poly(alkenyl) ether-containing polythioether prepolymers and/or sulfur-containing poly(alkenyl) ether curing agents exhibit improved physical properties suitable for use in aerospace sealant applications.
Abstract translation: 含硫聚（链烯基）醚可以结合到聚硫醚预聚物的骨架中，并且可以用作硫醇封端的聚硫醚预聚物组合物中的固化剂。 使用含有含硫聚（链烯基）醚的聚硫醚预聚物和/或含硫聚（链烯基）醚固化剂的组合物制备的固化密封剂显示出改善的物理性质，适用于航空航天密封剂应用。
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Patent Agency Ranking6.发明申请URETHANE/UREA-CONTAINING BIS(ALKENYL) ETHERS, PREPOLYMERS PREPARED USING URETHANE/UREA-CONTAINING BIS(ALKENYL) ETHERS, AND USES THEREOF 审中-公开含氨基甲酸乙酯/脲的BIS（烯基）醚，使用氨基甲酸乙酯/含脲双（乙烯基）醚制备的预聚物及其用途
公开(公告)号：WO2018005633A1
公开(公告)日：2018-01-04
申请号：PCT/US2017/039724
申请日：2017-06-28
Applicant: PRC-DESOTO INTERNATIONAL, INC.
Inventor： CUI, Weibin , LIN, Renhe
IPC: C08G75/045 , C08L81/02 , C08K3/26 , C08G59/00
Abstract: Urethane/urea-containing bis(alkenyl) ethers can be incorporated into the backbone of polythioether prepolymers and can be used as curing agents in thiol-terminated polythioether prepolymer compositions. Cured sealants prepared using compositions containing urethane/urea-containing bis(alkenyl) ether-containing polythioether prepolymers and/or urethane/urea-containing bis(alkenyl) ether curing agents exhibit improved physical properties suitable for use in aerospace sealant applications.
Abstract translation: 可以在聚硫醚预聚物骨架中引入含氨基甲酸酯/脲的双（链烯基）醚，并且可以将其用作硫醇封端的聚硫醚预聚物组合物中的固化剂。 使用含有含氨基甲酸酯/脲的含双（烯基）醚的聚硫醚预聚物和/或含氨基甲酸酯/脲的双（烯基）醚固化剂的组合物制备的固化密封剂显示出改进的物理性质，适用于航空航天密封剂应用。
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公开(公告)号：EP3649198A1
公开(公告)日：2020-05-13
申请号：EP18753270.0
申请日：2018-07-06
Applicant: PRC-Desoto International, Inc.
Inventor： LIN, Renhe , CUI, Weibin
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公开(公告)号：EP3568428A1
公开(公告)日：2019-11-20
申请号：EP18702019.3
申请日：2018-01-11
Applicant: PRC-Desoto International, Inc.
Inventor： CUI, Weibin , LIN, Renhe
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9.发明公开
公开(公告)号：EP3535311A1
公开(公告)日：2019-09-11
申请号：EP17809085.8
申请日：2017-11-03
Applicant: PRC-Desoto International, Inc.
Inventor： CUI, Weibin , LIN, Renhe
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10.发明公开
公开(公告)号：EP3475339A1
公开(公告)日：2019-05-01
申请号：EP17737448.5
申请日：2017-06-28
Applicant: PRC-Desoto International, Inc.
Inventor： CUI, Weibin , LIN, Renhe
IPC: C08G75/045 , C08L81/02 , C08K3/26 , C08G59/00
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