公开(公告)号：US20140357812A1

公开(公告)日：2014-12-04

申请号：US14463082

申请日：2014-08-19

Applicant: PRC-DeSoto International, Inc.

Inventor： Lawrence G. Anderson ,  Juexiao Cai ,  Marfi Ito ,  Raquel Keledjian ,  Renhe Lin

IPC: C08G75/02 ,  C08L81/02

CPC classification number: C08G75/02 ,  C08G75/12 ,  C08G75/14 ,  C08L81/02 ,  C08L81/04

Abstract: The use of Michael addition curing chemistries in compositions comprising sulfur-containing polymers such as polythioethers and polysulfides useful in aerospace sealant applications are disclosed. Sulfur-containing adducts comprising terminal Michael acceptor groups are also disclosed.

Abstract translation: 公开了在包含含硫聚合物如聚硫醚和聚硫化物的组合物中使用迈克尔加成固化化学物质，其用于航空密封剂应用。 还公开了包含末端迈克尔受体基团的含硫加成物。

公开(公告)号：US09365678B2

公开(公告)日：2016-06-14

申请号：US14463082

申请日：2014-08-19

Applicant: PRC-DeSoto International, Inc.

Inventor： Lawrence G. Anderson ,  Juexiao Cai ,  Marfi Ito ,  Raquel Keledjian ,  Renhe Lin

IPC: C08G75/02 ,  C08L81/02 ,  C08L81/04 ,  C08G75/12 ,  C08G75/14

CPC classification number: C08G75/02 ,  C08G75/12 ,  C08G75/14 ,  C08L81/02 ,  C08L81/04

Abstract: The use of Michael addition curing chemistries in compositions comprising sulfur-containing polymers such as polythioethers and polysulfides useful in aerospace sealant applications are disclosed. Sulfur-containing adducts comprising terminal Michael acceptor groups are also disclosed.

公开(公告)号：US09365677B2

公开(公告)日：2016-06-14

申请号：US13940813

申请日：2013-07-12

Applicant: PRC-DeSoto International, Inc.

Inventor： Raquel Keledjian ,  Renhe Lin ,  Bruce Virnelson

IPC: C08G75/02 ,  C08G73/00 ,  C07D251/32 ,  C08K5/378

CPC classification number: C08G75/02 ,  C08K5/378 ,  Y10T428/24331

Abstract: Disclosed are sulfur-containing polymers containing copolymerizable adhesion promoters and compositions including sealant compositions useful in aerospace applications comprising sulfur-containing polymers containing copolymerizable adhesion promoters. In particular, polythioethers and polysulfides incorporating copolymerizable adhesion promoters are disclosed.

公开(公告)号：US20150252230A1

公开(公告)日：2015-09-10

申请号：US14200687

申请日：2014-03-07

Applicant: PRC-DeSoto International, Inc.

Inventor： Raquel Keledjian ,  Renhe Lin

IPC: C09J175/08 ,  C08G18/52 ,  C08G18/38 ,  C08G18/75

CPC classification number: C08L75/04 ,  C08G18/10 ,  C08G18/289 ,  C08G18/3893 ,  C08G18/52 ,  C08G18/758 ,  C08G75/045 ,  C08G75/12 ,  C08G2190/00 ,  C08L75/08 ,  C09J175/08

Abstract: Moisture-curable, urethane-containing prepolymers containing urethanes incorporated into the prepolymer backbone and compositions thereof for use in sealant applications are disclosed. The prepolymers provide cured compositions exhibiting improved tensile strength.

Abstract translation: 公开了包含掺入预聚物主链的聚氨酯和其组合物的含水可固化的含氨基甲酸酯的预聚物，用于密封剂应用中。 预聚物提供表现出改善的拉伸强度的固化组合物。

公开(公告)号：US10047259B2

公开(公告)日：2018-08-14

申请号：US14560565

申请日：2014-12-04

Applicant: PRC-DeSoto International, Inc.

Inventor： Raquel Keledjian ,  Renhe Lin ,  Chandra Rao ,  Bruce Virnelson

IPC: C08L81/02 ,  C09J181/02 ,  C08G75/02 ,  C08G75/12

Abstract: Disclosed are methods for making a cured sealant. The methods include depositing an uncured sealant composition on a substrate and exposing the uncured sealant composition to actinic radiation to provide a cured sealant. The uncured sealant composition includes a thiol-terminated polythioether, a polyene comprising a polyvinyl ether and/or a polyallyl compound, and a hydroxy-functional vinyl ether. Related sealant compositions are also disclosed.

公开(公告)号：US09533798B2

公开(公告)日：2017-01-03

申请号：US13659074

申请日：2012-10-24

Applicant: PRC-DeSoto International, Inc.

Inventor： Bruce Virnelson ,  Raquel Keledjian ,  Renhe Lin ,  Chandra B. Rao

IPC: C08F2/48 ,  B65D41/00 ,  B32B37/12 ,  C08G75/02 ,  C08G75/12 ,  C09J181/02 ,  C08L81/02

CPC classification number: B65D41/005 ,  B32B37/1284 ,  C08G75/02 ,  C08G75/045 ,  C08G75/12 ,  C08L81/02 ,  C09J181/02

Abstract: UV curable sealants, method s for making the sealants, and method for using the sealants are disclosed. The UV curable sealants may be used in seal caps useful to seal fasteners in aerospace fuel tanks. The UV curable sealants may also be used to smooth defects in surfaces such as aerospace surfaces.

Abstract translation: 紫外线固化型密封剂，密封剂的制造方法以及密封剂的使用方法。 紫外线固化型密封剂可用于密封用于密封航空航天燃料箱中的紧固件的密封盖中。 UV可固化密封剂也可用于平滑表面如空间表面的缺陷。

公开(公告)号：US09518197B2

公开(公告)日：2016-12-13

申请号：US14964904

申请日：2015-12-10

Applicant: PRC-DeSoto International, Inc.

Inventor： Raquel Keledjian ,  Renhe Lin

IPC: C09D175/04 ,  C08G18/30 ,  C08G18/16 ,  C08G18/10 ,  C08G18/38 ,  C08G18/75 ,  C08G18/28 ,  C08G18/52 ,  C09J175/08 ,  C08L75/04 ,  C08G75/04 ,  C08L75/08 ,  C08G18/12

CPC classification number: C09D175/04 ,  C08G18/10 ,  C08G18/12 ,  C08G18/16 ,  C08G18/289 ,  C08G18/307 ,  C08G18/3868 ,  C08G18/3893 ,  C08G18/52 ,  C08G18/758 ,  C08G75/045 ,  C08G75/12 ,  C08G2190/00 ,  C08L75/04 ,  C08L75/08 ,  C09J175/08

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.

Abstract translation: 公开了具有并入到含硫预聚物主链中的聚氨酯的固化剂，可湿固化的，含氨基甲酸酯的预聚物，其用于密封剂应用中的组合物。 固化按需湿润固化的含氨基甲酸酯预聚物用聚烷氧基甲硅烷基封端。 组合物含有控释湿度固化催化剂。 含有预聚物的组合物提供表现出改善的拉伸强度的固化密封剂。

公开(公告)号：US20160090507A1

公开(公告)日：2016-03-31

申请号：US14964904

申请日：2015-12-10

Applicant: PRC-DeSoto International, Inc.

Inventor： Raquel Keledjian ,  Renhe Lin

IPC: C09D175/04

CPC classification number: C09D175/04 ,  C08G18/10 ,  C08G18/12 ,  C08G18/16 ,  C08G18/289 ,  C08G18/307 ,  C08G18/3868 ,  C08G18/3893 ,  C08G18/52 ,  C08G18/758 ,  C08G75/045 ,  C08G75/12 ,  C08G2190/00 ,  C08L75/04 ,  C08L75/08 ,  C09J175/08

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.

Abstract translation: 公开了具有并入到含硫预聚物主链中的聚氨酯的固化剂，可湿固化的，含氨基甲酸酯的预聚物，其用于密封剂应用中的组合物。 固化按需湿润固化的含氨基甲酸酯预聚物用聚烷氧基甲硅烷基封端。 组合物含有控释湿度固化催化剂。 含有预聚物的组合物提供表现出改善的拉伸强度的固化密封剂。

公开(公告)号：US20150252232A1

公开(公告)日：2015-09-10

申请号：US14200569

申请日：2014-03-07

Applicant: PRC-DeSoto International, Inc.

Inventor： Raquel Keledjian ,  Marfi Ito ,  Renhe Lin

IPC: C09J181/02

CPC classification number: C09J181/02 ,  C08G18/10 ,  C08G18/52 ,  C08G18/6715 ,  C08G18/758 ,  C08G75/02 ,  C08G2190/00 ,  C09J175/04

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.

Abstract translation: 公开了由二异氰酸酯形成并适用于迈克尔加成固化化学物质的聚氨酯预聚物及其组合物，用于密封剂应用中。 预聚物提供表现出室温稳定性和短暂活化后控制的固化速率的组合物。

公开(公告)号：US20150086726A1

公开(公告)日：2015-03-26

申请号：US14560565

申请日：2014-12-04

Applicant: PRC-DeSoto International, Inc.

Inventor： Raquel Keledjian ,  Renhe Lin ,  Chandra Rao ,  Bruce Virnelson

IPC: C09J181/02 ,  C08G75/02

CPC classification number: C09J181/02 ,  C08G75/02 ,  C08G75/12 ,  C08L81/02

Abstract: Disclosed are methods for making a cured sealant. The methods include depositing an uncured sealant composition on a substrate and exposing the uncured sealant composition to actinic radiation to provide a cured sealant. The uncured sealant composition includes a thiol-terminated polythioether, a polyene comprising a polyvinyl ether and/or a polyallyl compound, and a hydroxy-functional vinyl ether. Related sealant compositions are also disclosed.

Abstract translation: 公开了制造固化的密封剂的方法。 所述方法包括将未固化的密封剂组合物沉积在基材上并将未固化的密封剂组合物暴露于光化辐射以提供固化的密封剂。 未固化的密封剂组合物包括硫醇封端的聚硫醚，包含聚乙烯醚和/或聚烯丙基化合物的多烯和羟基官能的乙烯基醚。 还公开了相关的密封剂组合物。