公开(公告)号：EP4428163A1

公开(公告)日：2024-09-11

申请号：EP22886928.5

申请日：2022-10-24

申请人： ThreeBond Co., Ltd.

发明人： KANEKO, Satoshi

IPC分类号： C08F2/44

CPC分类号： C08F2/44

摘要： Conventionally, for anaerobically curable compositions that were used in assembly of a stacked steel sheet, fast curability was required for the efficiency of productivity. Recently, diversification of assembly methods has made not only curing acceleration by a primer but also curing acceleration by heating possible. In order for improvement in durability of stacked steel sheets, there has been a demand for improvement in shear adhesive strength and peeling adhesive strength of anaerobically curable compositions. The present invention relates to an anaerobically curable composition containing the following components (A) to (D): component (A): (meth)acryloyl compound, component (B): hydroperoxide, component (C): saccharin, and component (D): sodium salt, potassium salt or calcium salt of saccharin.

公开(公告)号：EP3730562A1

公开(公告)日：2020-10-28

申请号：EP18891372.7

申请日：2018-11-09

申请人： ThreeBond Co., Ltd.

发明人： KANEKO, Satoshi

IPC分类号： C09J4/00 ,  B32B15/08 ,  B32B15/082 ,  C09J11/06 ,  C09J163/10 ,  C09J175/14 ,  H02K15/02

摘要： An object of the present invention is to provide a radical-polymerizable adhesive composition for laminating and bonding steel plates, capable of obtaining an adhesive laminate that contributes to simplification of a process in an adhesive lamination method, and high performance and high reliability of a rotor or a stator of a motor.
A radical-polymerizable adhesive composition for laminating and bonding steel plates, exhibiting a value of 8.0 MPa or more in a tensile shear adhesive strength test to an electromagnetic steel plate, and containing: component (A) : a radical-polymerizable compound; component (B) : a radical-polymerization initiator; and component (C): a phosphate compound having a group represented by the following general formula (1) or (2).

公开(公告)号：EP4144771A1

公开(公告)日：2023-03-08

申请号：EP22192025.9

申请日：2022-08-24

申请人： ThreeBond Co., Ltd.

发明人： KANEKO, Satoshi

IPC分类号： C08F120/18 ,  C08F122/10 ,  C08F220/18 ,  C08F222/10 ,  C09D4/00 ,  C09D5/00

摘要： The present invention enables a photocurable coating agent in which electrical insulation is high, and viscosity is low even not using a solvent, in an insulating coating for coils and the like.
A photocurable coating agent includes component (A) and component (B), and includes component (A-1) in an amount of 50 to 100% by mass with respect to a total of component (A-1) and component (A-2):
Component (A): a (meth)acrylate consisting of following component (A-1) or following component (A-1) and following component (A-2);
Component (A-1): a (meth)acrylate having a cyclic structure;
Component (A-2): a (meth)acrylate having a chain structure and having three or more (meth)acryloyl groups in the molecule; and
Component (B): a photoinitiator.