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公开(公告)号：US11066521B2
公开(公告)日：2021-07-20
申请号：US16469739
申请日：2017-07-14
Applicant: TESA SE
Inventor： Tom Dowden , Jude Pullen , Mark Buckingham , Priti Ariscrisna , Åsa Jerlhagen , Reya Shamsah , Paraskevi Christogianni , Steve Westall , Julien Gautrot , Khai Duong Quang Nguyen
Abstract: The present invention provides a tin-free, room temperature curable silicone elastomer composition, wherein the uncured composition is a putty.
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公开(公告)号：US12091547B2
公开(公告)日：2024-09-17
申请号：US17531385
申请日：2021-11-19
Applicant: tesa SE
Inventor： Tobias Winkler , Christof-Gottfried Hoelger , Paraskevi Christogianni , Thomas Dowden , Priti Ariscrisna , Elliot Allen , Mark Buckingham , Reya Shamsah , Anna Blades , Alice Dowden , Khai Duong Quang Nguyen , Julien Gautrot
IPC: C08L83/04 , C08G77/08 , C08G77/20 , C08K3/26 , C08K3/36 , C08K5/5419 , C08K7/10 , C08K7/20 , C08K9/06
CPC classification number: C08L83/04 , C08G77/08 , C08G77/20 , C08K3/26 , C08K3/36 , C08K5/5419 , C08K7/10 , C08K7/20 , C08K9/06 , C08K2003/265
Abstract: The present invention provides a tin-free, room temperature curable silicone elastomer composition, wherein the uncured composition is a putty. The silicone elastomer composition comprises a) an end-capped base polymer, wherein the base polymer comprises a polysiloxane or mixture of polysiloxanes, and wherein the end-capped base polymer comprises terminal di-(C1-4)alkoxy silyl groups; b) at least one amorphous filler; c) 15.1 to 60 parts by weight of at least one spherical filler for each 100 parts by weight of base polymer; and d) a curing catalyst consisting of one or more selected from the group consisting of organic titanates and organic zirconates. The terminal dialkoxy silyl groups of the base polymer can be dimethoxy silyl groups. The at least one amorphous filler can be selected from the group consisting of fumed silica, fumed alumina, carbon black, precipitated silica, precipitated calcium carbonate, surface-treated calcium carbonate and mixtures thereof.
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公开(公告)号：US20220162448A1
公开(公告)日：2022-05-26
申请号：US17531385
申请日：2021-11-19
Applicant: tesa SE
Inventor： Tobias Winkler , Christof-Gottfried Hoelger , Paraskevi Christogianni , Thomas Dowden , Priti Ariscrisna , Elliot Allen , Mark Buckingham , Reya Shamsah , Anna Blades , Alice Dowden , Khai Duong Quang Nguyen , Julien Gautrot
IPC: C08L83/04 , C08G77/20 , C08G77/08 , C08K3/36 , C08K3/26 , C08K7/10 , C08K7/20 , C08K9/06 , C08K5/5419
Abstract: The present invention provides a tin-free, room temperature curable silicone elastomer composition, wherein the uncured composition is a putty. The silicone elastomer composition comprises a) an end-capped base polymer, wherein the base polymer comprises a polysiloxane or mixture of polysiloxanes, and wherein the end-capped base polymer comprises terminal di-(C1-4)alkoxy silyl groups; b) at least one amorphous filler; c) 15.1 to 60 parts by weight of at least one spherical filler for each 100 parts by weight of base polymer; and d) a curing catalyst consisting of one or more selected from the group consisting of organic titanates and organic zirconates. The terminal dialkoxy silyl groups of the base polymer can be dimethoxy silyl groups. The at least one amorphous filler can be selected from the group consisting of fumed silica, fumed alumina, carbon black, precipitated silica, precipitated calcium carbonate, surface-treated calcium carbonate and mixtures thereof.
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公开(公告)号：US11261329B2
公开(公告)日：2022-03-01
申请号：US16489459
申请日：2017-12-15
Applicant: TESA SE
Inventor： Priti Ariscrisna , Tom Dowden , Jude Pullen , Mark Buckingham , Åsa Jerlhagen , Reya Shamsah , Paraskevi Christogianni , Julien Gautrot , Steve Westall , Khai Duong Quang Nguyen , Winnie Mac
IPC: C08L83/04 , C08K7/22 , C08L83/06 , C08G77/16 , C08G77/18 , C08G77/08 , C08K5/1515 , C08K5/56 , C08K7/02
Abstract: The present invention provides a tin-free, room temperature curable silicone elastomer composition, wherein the uncured composition is a putty.
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