公开(公告)号：US20170327714A1

公开(公告)日：2017-11-16

申请号：US15528929

申请日：2016-11-04

申请人： LG Chem, Ltd.

发明人： Kwang Su Seo ,  Eun Kyung Park ,  Seung Won Lee ,  Jang Soon Kim ,  Won Gu Choi ,  Tae Yi Choi

IPC分类号： C09J7/02 ,  C09J123/22 ,  C09J201/08 ,  B32B27/30 ,  C09J133/06 ,  C09J11/06

CPC分类号： C09J7/20 ,  B32B27/308 ,  C08L23/30 ,  C08L2312/00 ,  C09J4/00 ,  C09J7/35 ,  C09J11/06 ,  C09J123/22 ,  C09J123/30 ,  C09J133/066 ,  C09J201/08 ,  C09J2201/36 ,  C09J2203/318 ,  C09J2409/00 ,  Y10T428/2852 ,  C08F220/18

摘要： The present invention relates to an adhesive composition for optical use, which is applied to optical devices or display devices and thus may exhibit excellent adhesion performance while exhibiting a high barrier performance based on a low water vapor transmission rate, and may implement both excellent optical characteristics and durability, and specifically, provides an adhesive composition for optical use, the adhesive composition including: a thermally curable rubber including an isobutylene-isoprene rubber having a carboxyl group and an isobutylene-isoprene rubber having a hydroxy group; and a thermal crosslinking agent. Further, the present invention provides an adhesive film for optical use, including an adhesive layer including photocured products of the adhesive composition for optical use.

公开(公告)号：US10407701B2

公开(公告)日：2019-09-10

申请号：US15548663

申请日：2017-02-21

申请人： LG Chem, Ltd.

发明人： Jang Soon Kim ,  Kwang Su Seo ,  Won Gu Choi

IPC分类号： C12P7/62 ,  C07C69/54 ,  C09J4/00 ,  C09J133/02

摘要： The present invention relates to a method for preparing a (meth)acrylate group-containing benzophenone for an optical adhesive use, the method including: preparing a raw material composition by mixing a hydroxy group-containing benzophenone-based compound and a (meth)acrylate-based compound; and carrying out a reaction of the hydroxy group-containing benzophenone-based compound and the (meth)acrylate-based compound by introducing an enzyme catalyst into the raw material composition. Further, the present invention provides an optical adhesive composition including a (meth)acrylate group-containing benzophenone prepared by the preparation method and a derivative thereof.

公开(公告)号：US11512152B2

公开(公告)日：2022-11-29

申请号：US16481154

申请日：2018-02-27

申请人： LG Chem, Ltd.

发明人： Jun Man Choi ,  Sang Hwan Kim ,  Jang Soon Kim ,  Kwang Su Seo ,  Won Gu Choi ,  Chi Gwan An

IPC分类号： C09J125/18 ,  C08F2/06 ,  C08F2/38 ,  C08F6/00 ,  C08F212/14 ,  C08F212/32 ,  C08K5/37 ,  C09J4/06 ,  C08F220/18 ,  C08F220/30 ,  C08F2/46

摘要： A method of preparing an acrylic adhesive, in which the durability of an adhesive film may be improved through additional photocuring and the residual components according to solution photopolymerization are efficiently removed, and an adhesive film prepared therefrom.

公开(公告)号：US20190338165A1

公开(公告)日：2019-11-07

申请号：US16481154

申请日：2018-02-27

申请人： LG Chem, Ltd.

发明人： Jun Man Choi ,  Sang Hwan Kim ,  Jang Soon Kim ,  Kwang Su Seo ,  Won Gu Choi ,  Chi Gwan An

IPC分类号： C09J4/06 ,  C08F220/18 ,  C08F2/38 ,  C08F2/06 ,  C08F220/30 ,  C08K5/37

摘要： A method of preparing an acrylic adhesive, in which the durability of an adhesive film may be improved through additional photocuring and the residual components according to solution photopolymerization are efficiently removed, and an adhesive film prepared therefrom.

公开(公告)号：US10364380B2

公开(公告)日：2019-07-30

申请号：US15528914

申请日：2016-11-04

申请人： LG Chem, Ltd.

发明人： Kwang Su Seo ,  Eun Kyung Park ,  Seung Won Lee ,  Jang Soon Kim ,  Won Gu Choi ,  Tae Yi Choi

IPC分类号： C09J11/06 ,  C09J151/06 ,  C09J123/22

摘要： The present invention provides an adhesive composition for optical use, which includes rubber and may be chemically cross-linked through an appropriate curing process, and as a result, may secure excellent long-term durability, water vapor transmission resistance, and chemical resistance, and includes an isobutylene-isoprene rubber having an acrylic acid ester-based functional group in a main chain thereof, a photoinitiator, and a tackifier in order to provide optical characteristics sufficient to be used for optical use. The present invention provides a method for preparing the adhesive composition for optical use, and it is possible to obtain the adhesive composition for optical use, which includes a chemically cross-linkable rubber by the method. Further, the present invention provides an adhesive film for optical use, and excellent long-term durability and optical characteristics may be implemented by applying the adhesive film for optical use to a wide range of electronic devices.

公开(公告)号：US09976059B2

公开(公告)日：2018-05-22

申请号：US15528929

申请日：2016-11-04

申请人： LG Chem, Ltd.

发明人： Kwang Su Seo ,  Eun Kyung Park ,  Seung Won Lee ,  Jang Soon Kim ,  Won Gu Choi ,  Tae Yi Choi

IPC分类号： C09J7/20 ,  C09J7/02 ,  C09J11/06 ,  C09J123/22 ,  C09J133/06 ,  C09J201/08 ,  B32B27/30

CPC分类号： C09J7/20 ,  B32B27/308 ,  C08L23/30 ,  C08L2312/00 ,  C09J4/00 ,  C09J7/35 ,  C09J11/06 ,  C09J123/22 ,  C09J123/30 ,  C09J133/066 ,  C09J201/08 ,  C09J2201/36 ,  C09J2203/318 ,  C09J2409/00 ,  Y10T428/2852 ,  C08F220/18

摘要： The present invention relates to an adhesive composition for optical use, which is applied to optical devices or display devices and thus may exhibit excellent adhesion performance while exhibiting a high barrier performance based on a low water vapor transmission rate, and may implement both excellent optical characteristics and durability, and specifically, provides an adhesive composition for optical use, the adhesive composition including: a thermally curable rubber including an isobutylene-isoprene rubber having a carboxyl group and an isobutylene-isoprene rubber having a hydroxy group; and a thermal crosslinking agent. Further, the present invention provides an adhesive film for optical use, including an adhesive layer including photocured products of the adhesive composition for optical use.

公开(公告)号：US20180119180A1

公开(公告)日：2018-05-03

申请号：US15548663

申请日：2017-02-21

申请人： LG Chem, Ltd.

发明人： Jang Soon Kim ,  Kwang Su Seo ,  Won Gu Choi

IPC分类号： C12P7/62 ,  C09J4/00 ,  C09J133/02 ,  C07C69/54

CPC分类号： C12P7/62 ,  C07C69/54 ,  C09J4/00 ,  C09J133/02 ,  C09J133/066 ,  C12Y301/01003 ,  C08F220/40

摘要： The present invention relates to a method for preparing a (meth)acrylate group-containing benzophenone for an optical adhesive use, the method including: preparing a raw material composition by mixing a hydroxy group-containing benzophenone-based compound and a (meth)acrylate-based compound; and carrying out a reaction of the hydroxy group-containing benzophenone-based compound and the (meth)acrylate-based compound by introducing an enzyme catalyst into the raw material composition. Further, the present invention provides an optical adhesive composition including a (meth)acrylate group-containing benzophenone prepared by the preparation method and a derivative thereof.

公开(公告)号：US20170313917A1

公开(公告)日：2017-11-02

申请号：US15528914

申请日：2016-11-04

申请人： LG Chem, Ltd.

发明人： Kwang Su Seo ,  Eun Kyung Park ,  Seung Won Lee ,  Jang Soon Kim ,  Won Gu Choi ,  Tae Yi Choi

IPC分类号： C09J151/06 ,  C09J7/02 ,  C09J11/06

CPC分类号： C09J151/06 ,  C09J11/06 ,  C09J123/22 ,  C09J2423/00

摘要： The present invention provides an adhesive composition for optical use, which includes rubber and may be chemically cross-linked through an appropriate curing process, and as a result, may secure excellent long-term durability, water vapor transmission resistance, and chemical resistance, and includes an isobutylene-isoprene rubber having an acrylic acid ester-based functional group in a main chain thereof, a photoinitiator, and a tackifier in order to provide optical characteristics sufficient to be used for optical use. The present invention provides a method for preparing the adhesive composition for optical use, and it is possible to obtain the adhesive composition for optical use, which includes a chemically cross-linkable rubber by the method. Further, the present invention provides an adhesive film for optical use, and excellent long-term durability and optical characteristics may be implemented by applying the adhesive film for optical use to a wide range of electronic devices.