公开(公告)号：US20150240136A1

公开(公告)日：2015-08-27

申请号：US14422876

申请日：2013-08-22

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Sohaib Elgimiabi ,  Elisabeth Cura ,  Bernhard H. Koch ,  Nurettin Yavuz

IPC: C09J163/00 ,  B32B37/12 ,  C09J7/00 ,  B32B15/092 ,  B32B7/12

CPC classification number: C09J163/00 ,  B21D39/028 ,  B32B7/12 ,  B32B15/092 ,  B32B37/1207 ,  B32B2250/03 ,  B32B2605/003 ,  C08K3/36 ,  C08K5/0025 ,  C08K7/22 ,  C09J5/06 ,  C09J7/00 ,  C09J7/10 ,  C09J2201/61 ,  C09J2201/622 ,  C09J2400/163 ,  C09J2463/00 ,  Y10T403/477 ,  Y10T428/31522

Abstract: This present disclosure relates to a structural adhesive film suitable for bonding a first metal part and a second part, and in particular for hem flange bonding of a first metal part and second part. More specifically, the present disclosure is directed to a structural adhesive film comprising a thermosettable composition which comprises an epoxy compound having a selected average epoxy equivalent weight, a thermoplastic resin having a selected softening point, and an epoxy curing agent. The present disclosure further relates to a thermoset structural adhesive film obtainable by thermosetting of the structural adhesive film of the disclosure, and to a two-part assembly comprising such a thermoset structural adhesive film In another aspect, the present disclosure is directed to a method for bonding a first metal part and a second part, in particular for hem flange bonding of a first metal part and second part.

Abstract translation: 本公开涉及适用于粘合第一金属部件和第二部件的结构粘合剂膜，特别是涉及第一金属部件和第二部件的下凸缘接合。 更具体地，本公开涉及包含可热固组合物的结构粘合剂膜，其包含具有选择的平均环氧当量的环氧化合物，具有选择的软化点的热塑性树脂和环氧固化剂。 本公开还涉及通过本发明的结构粘合剂膜的热固化获得的热固性结构粘合剂膜和包含这种热固性结构粘合剂膜的两部分组合。在另一方面，本公开涉及一种用于 接合第一金属部分和第二部分，特别是用于第一金属部分和第二部分的下摆法兰接合。

公开(公告)号：US20230235204A1

公开(公告)日：2023-07-27

申请号：US17927325

申请日：2021-05-21

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Adrian T. Jung ,  Boris Ove Alexander Tasch ,  Elisabeth Cura ,  Eike H. Klünker ,  Peter Bissinger ,  Wolf Steiger ,  Dirk Hasenberg

IPC: C09J163/00

CPC classification number: C09J163/00

Abstract: The present disclosure relates to a curable precursor of a structural adhesive composition, comprising: a thermally curable resin; a thermal curing initiator for the thermally curable resin; a radiation self-polymerizable multi-functional compound comprising a polyether oligomeric backbone and at least one free-radical (co)polymerizable reactive group at each terminal position of the oligomer backbone; and a free-radical polymerization initiator for the radiation self-polymerizable multi-functional compound.

公开(公告)号：US11377576B2

公开(公告)日：2022-07-05

申请号：US15775190

申请日：2016-11-14

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Elisabeth Cura ,  Sohaib Elgimiabi

IPC: C09J11/04 ,  C09J163/00 ,  C08L63/00 ,  C08L71/00 ,  C08G59/22 ,  C08K3/22 ,  C08G59/36 ,  C08G59/24 ,  C09J7/10 ,  C09J9/00 ,  C09J11/08

Abstract: The present disclosure relates to a thermosettable structural adhesive composition comprising an epoxy compound; a thermoplastic compound; an epoxy curing agent; at least one mineral filler, wherein the at least one mineral filler is capable of absorbing water. The thermosettable structural adhesive composition can exhibit an improved corrosion resistance while also providing good adhesive properties such as good t-peel strength and overlap shear strength.

公开(公告)号：US10533118B2

公开(公告)日：2020-01-14

申请号：US14895327

申请日：2014-06-10

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Tomasz P. Wikierak ,  Pawel M. Malinowski ,  Marcin J. Paprocki ,  Elisabeth Cura

IPC: C09J7/40 ,  C09J7/35 ,  C09J7/10 ,  C09J163/00

Abstract: A roll of a double-sided adhesive tape wound around a core, with the tape (10) comprising first (5) and second major adhesive surfaces (4) and at least one adhesive layer comprising a structural adhesive (3) providing the second major adhesive surface (4). The first major adhesive surface (5) is protected by a first liner (1); the second major adhesive surface (4) is protected by a second liner (2), and the second liner (2) extends over the two edges (8, 9) of the second major surface to cover at least part of each first and second minor surfaces (6, 7) of the tape (10).

公开(公告)号：US20190160513A1

公开(公告)日：2019-05-30

申请号：US16098985

申请日：2017-05-11

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Bernhard Koch ,  Elisabeth Cura ,  Kotaro Shinozaki

IPC: B21D39/02 ,  F16B11/00 ,  B32B7/12 ,  B32B15/04 ,  B32B37/12

Abstract: The invention relates to a method of bonding panels together to form a panel assembly, comprising the following steps: providing a first panel (10) with a body portion (11) and an end portion (12) and a second panel (20) with a body portion (21) and an end portion (22); providing a first structural adhesive film (30) and a second structural adhesive film (31); applying the first structural adhesive film (30) on an upper side of the end portion (22) of the second panel (20) and applying the second structural adhesive film (31) on a lower side of the end portion (22) of the second panel (20); bringing the two panels (10 and 20) together and folding the end portion (12) of the first panel (10) around the end portion (22) of the second panel (10) such that the end portion (12) extends essentially parallel to the body portion (11) of the first panel (10) thereby enclosing the end portion (22) of the second panel and such that the first structural adhesive film (30) is positioned between the upper side of the end portion (22) of the second panel (20) and the end portion (12) of the first panel (10) and that the second structural adhesive film (31) is positioned between the lower side of the end portion (22) of the second panel (20) and the body portion (11) of the first panel (10); heating the assembly above the activation temperature of the first (10) and second structural adhesive tape (20); wherein the first structural adhesive film (10) differs from the second structural adhesive film (20).