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公开(公告)号：WO2011005614A1
公开(公告)日：2011-01-13
申请号：PCT/US2010/040307
申请日：2010-06-29
Applicant: PRC-DESOTO INTERNATIONAL, INC. , LIN, Renhe
Inventor： LIN, Renhe
IPC: C09J171/00 , C09J181/02
CPC classification number: C08L81/02 , C08G75/045 , C08G75/12
Abstract: One-part moisture curable sealant compositions and methods of making the same are provided. The composition includes a silane-terminated polythioether component and a catalyst. The silane-terminated polythioether component and catalyst are isolated from moisture to prevent curing. The composition is stable against curing at ambient temperature and under conditions substantially free of moisture. When the composition is applied to a substrate and exposed to moisture, the composition cures to form a sealant. A method of making a sealant composition includes reacting a mercapto-terminated polythioether with a compound having a silane group to form a silane-terminated polythioether. The silane-terminated polythioether is then combined with a catalyst and isolated from moisture to prevent curing. Lastly, the composition is applied to a substrate and exposed to moisture which allows the composition to cure to form a sealant.
Abstract translation: 提供一部分可湿气固化的密封剂组合物及其制备方法。 该组合物包括硅烷封端的聚硫醚组分和催化剂。 硅烷封端的聚硫醚组分和催化剂与水分隔离以防止固化。 该组合物在环境温度和基本上不含水分的条件下对固化是稳定的。 当将组合物施用于基材并暴露于水分时，组合物固化形成密封剂。 制造密封剂组合物的方法包括使巯基封端的聚硫醚与具有硅烷基团的化合物反应以形成硅烷封端的聚硫醚。 然后将硅烷封端的聚硫醚与催化剂组合，并从水分中分离以防止固化。 最后，将组合物施用于基材并暴露于水分，这允许组合物固化以形成密封剂。
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公开(公告)号：EP4473028A1
公开(公告)日：2024-12-11
申请号：EP23708108.8
申请日：2023-01-27
Applicant: PRC-Desoto International, Inc.
Inventor： BOGHOSSIAN, Razmik , SMITH, James , GURUNG, Laxman , LIN, Renhe
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公开(公告)号：EP2970590B1
公开(公告)日：2019-11-20
申请号：EP14719417.9
申请日：2014-03-11
Applicant: PRC-Desoto International, Inc.
Inventor： RAO, Chandra, B. , CAI, Juexiao , LIN, Renhe
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公开(公告)号：EP3227359B1
公开(公告)日：2019-02-20
申请号：EP15819930.7
申请日：2015-12-04
Applicant: PRC-Desoto International, Inc.
Inventor： CAI, Juexiao , LIN, Renhe
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公开(公告)号：EP2880078A1
公开(公告)日：2015-06-10
申请号：EP13747565.3
申请日：2013-07-26
Applicant: PRC-Desoto International, Inc.
Inventor： CAI, Juexiao , LIN, Renhe , RAO, Chandra B.
IPC: C08G65/00 , C08G65/336 , C08G77/46 , C08G77/50 , C08L101/10
CPC classification number: C09J129/10 , C08F8/00 , C08G65/007 , C08G65/336 , C08G77/46 , C08G77/50 , C08K9/02 , C08L101/02 , C08L101/10 , C09J9/02 , C09J171/00 , C09J201/10 , C09K3/1018 , H01B13/0026
Abstract: Disclosed are perfluoroethers and perfluoroether compositions useful in high temperature aerospace applications. The perfluoroethers can be adapted for use with various curing chemistries.
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Patent Agency Ranking
公开(公告)号：EP2864389A2
公开(公告)日：2015-04-29
申请号：EP13733193.0
申请日：2013-06-19
Applicant: PRC-Desoto International, Inc.
Inventor： BLACKFORD, Timothy , CAI, Juexiao , KELEDJIAN, Raquel , LIN, Renhe , LOZANO, Jose , RAO, Chandra, B. , VIRNELSON, Bruce
IPC: C08G59/32 , C08L63/00 , B05D3/00 , C08G75/02 , C08L81/02 , C07D303/22 , C07D251/34
CPC classification number: C07D251/34 , C07D303/22 , C08G59/066 , C08G59/302 , C08G59/3263 , C08L63/00 , Y10T156/10 , C08L81/02
Abstract: Disclosed are polyfunctional sulfur-containing epoxies and compositions containing polyfunctional sulfur-containing epoxies. The polyfunctional sulfur-containing epoxies may be used as a curing agent and combined with polythioethers and/or polysulfides used to provide high elongation sealants useful in aerospace applications.
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47.发明公开
公开(公告)号：EP2585515A1
公开(公告)日：2013-05-01
申请号：EP11729835.6
申请日：2011-06-21
Applicant: PRC-Desoto International, Inc.
Inventor： KANIA, Charles M. , LIN, Renhe , RAO, Chandra B.
IPC: C08G75/02 , C08G75/12 , C09J181/02 , C08L81/02
CPC classification number: C09D181/02 , C07D251/30 , C08G75/02 , C08G75/045 , C08G75/12 , C08L81/02 , C09D163/00 , C09D163/04
Abstract: Disclosed are polythioethers that are the reaction product of reactants that include: a) an isocyanurate-containing trithiol; b) a polythiol different from (a); and c) a diene. Also disclosed are compositions, such as sealant compositions, that include such polythioethers.
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公开(公告)号：EP3947527A1
公开(公告)日：2022-02-09
申请号：EP20723612.6
申请日：2020-04-03
Applicant: PRC-Desoto International, Inc.
Inventor： RAO, Chandra B. , LIN, Renhe
IPC: C08G75/045 , B32B37/00 , C08K3/10 , C08K5/00 , C08L81/02 , C09D181/02 , C09J181/02
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49.发明公开
公开(公告)号：EP3470486A1
公开(公告)日：2019-04-17
申请号：EP18200345.9
申请日：2015-03-06
Applicant: PRC-Desoto International, Inc.
Inventor： KELEDJIAN, Raquel A. , ITO, Marfi , LIN, Renhe
Abstract: Urethane-containing prepolymers formed from diisocyanates and adapted for Michael addition curing chemistries and compositions thereof for use in sealant applications are disclosed. The prepolymers provide compositions that exhibit room temperature stability and a controlled curing rate following a brief activation.
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50.发明公开
公开(公告)号：EP3387036A1
公开(公告)日：2018-10-17
申请号：EP16820085.5
申请日：2016-12-08
Applicant: PRC-Desoto International, Inc.
Inventor： KELEDJIAN, Raquel , LIN, Renhe
IPC: C08G18/75 , C08G75/045 , C08G18/50 , C08G18/38 , C08G18/28 , C08L75/00 , C08L101/10 , C08G18/10 , C08G18/12 , C08L81/02 , C08K9/10 , C08G18/52
CPC classification number: C08G18/758 , C08G18/10 , C08G18/12 , C08G18/289 , C08G18/3868 , C08G18/5072 , C08G18/52 , C08G75/045 , C08G2190/00 , C08K9/10 , C08L75/00 , C08L81/02 , C08L101/10 , C08G18/307
Abstract: Cure-on-demand, moisture-curable, urethane-containing prepolymers having urethanes incorporated into a sulfur-containing prepolymer backbone and compositions thereof for use in sealant applications are disclosed. The cure-on-demand moisture-curable urethane-containing prepolymers are terminated with polyalkoxysilyl groups. The compositions contain a controlled-release moisture cure catalyst. Compositions containing the prepolymers provide cured sealants exhibiting improved tensile strength.
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