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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：US20210032508A1
公开(公告)日：2021-02-04
申请号：US16965412
申请日：2019-01-15
Applicant: tesa SE
Inventor： Nikolay Belov , Tobias Winkler , Birgit Sommer
Abstract: A laminate is provided, more particularly an adhesive tape, comprising a) a release liner having at least one carrier layer (CL) and also, applied to this carrier layer (CL), at least one silicone coating (SC) of specific addition-crosslinked or radically crosslinked pressure-sensitive silicone adhesives, and b) at least one further layer (L1), comprising polyacrylate-based adhesives with low tack at room temperature or heat-activable bondable adhesives which have little or no pressure-sensitive adhesion at room temperature. The use of an arrangement as a release liner is also provided, where the arrangement comprises a carrier layer (CL) and also, applied to this carrier layer (CL), a silicone coating (SC) of specific addition-crosslinked or radically crosslinked pressure-sensitive silicone adhesives.
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Patent Agency Ranking
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：US11312889B2
公开(公告)日：2022-04-26
申请号：US16922476
申请日：2020-07-07
Applicant: tesa SE
Inventor： Marten Papenbroock , Sven Heidsieck , Björn Zeysing , Tobias Winkler , Norbert Grittner , Friederike Kettling
IPC: C09J183/04 , C08J3/24 , C09J183/06 , C08G77/08 , C08G77/18 , C08G77/22 , C08G77/16
Abstract: An autohesive polymer material that includes: at least one polymer having at least two terminal silyl groups of the Formula (1) given by: Si(R1)a(R2)b (1). Each of the radicals R1 comprises an alkyl, alkenyl or aryl group or a hydrogen atom. Each of the radicals R2 comprises a group that can be eliminated with water, b is 1, 2 or 3, and a is 3−b. The polymer material further includes at least one condensation catalyst. Further, the polymer material is chemically precrosslinked and further crosslinkable with moisture. In addition, the polymer material is configured for use as a layer body that can be applied to a substrate. The polymer material of this kind can also be used for producing permanent bonds.
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公开(公告)号：US12031068B2
公开(公告)日：2024-07-09
申请号：US16965412
申请日：2019-01-15
Applicant: tesa SE
Inventor： Nikolay Belov , Tobias Winkler , Birgit Sommer
CPC classification number: C09J7/401 , C09J7/385 , C09J2301/304 , C09J2483/005 , Y10T428/1457 , Y10T428/1476 , Y10T428/2839
Abstract: A laminate is provided, more particularly an adhesive tape, comprising a) a release liner having at least one carrier layer (CL) and also, applied to this carrier layer (CL), at least one silicone coating (SC) of specific addition-crosslinked or radically crosslinked pressure-sensitive silicone adhesives, and b) at least one further layer (L1), comprising polyacrylate-based adhesives with low tack at room temperature or heat-activable bondable adhesives which have little or no pressure-sensitive adhesion at room temperature. The use of an arrangement as a release liner is also provided, where the arrangement comprises a carrier layer (CL) and also, applied to this carrier layer (CL), a silicone coating (SC) of specific addition-crosslinked or radically crosslinked pressure-sensitive silicone adhesives.
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公开(公告)号：US20210214584A1
公开(公告)日：2021-07-15
申请号：US17144660
申请日：2021-01-08
Applicant: tesa SE
Inventor： Nils Thebud , Tobias Winkler , Björn Zeysing
Abstract: The present disclosure relates to an adhesive printing form attachment layer comprising a support, and a permanently sticky layer suitable for receiving a printing form and fixing a printing form during a printing operation provided on the support, wherein the permanently sticky layer comprises a crosslinked silicone-based material. The present disclosure further relates to a method for preparing an adhesive printing form attachment layer, as well as a printing cylinder comprising it, the use of the an adhesive printing form attachment layer for fixing a flexographic printing plate during a printing operation on a printing cylinder, and a method of operating a printing machine wherein the adhesive printing form attachment layer is used.
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公开(公告)号：US20210009878A1
公开(公告)日：2021-01-14
申请号：US16922476
申请日：2020-07-07
Applicant: tesa SE
Inventor： Marten Papenbroock , Sven Heidsieck , Björn Zeysing , Tobias Winkler , Norbert Grittner , Friederike Kettling
IPC: C09J183/06 , C08G77/08 , C08G77/16 , C08G77/18 , C08G77/22
Abstract: An autohesive polymer material that includes: at least one polymer having at least two terminal silyl groups of the Formula (1) given by: Si(R1)a(R2)b (1). Each of the radicals R1 comprises an alkyl, alkenyl or aryl group or a hydrogen atom. Each of the radicals R2 comprises a group that can be eliminated with water, b is 1, 2 or 3, and a is 3−b. The polymer material further includes at least one condensation catalyst. Further, the polymer material is chemically precrosslinked and further crosslinkable with moisture. In addition, the polymer material is configured for use as a layer body that can be applied to a substrate. The polymer material of this kind can also be used for producing permanent bonds.
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