公开(公告)号：US20160230052A1

公开(公告)日：2016-08-11

申请号：US15022003

申请日：2014-09-23

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Qing WU ,  Jing FANG ,  Fei GAO ,  Guannan YIN ,  Hui ZONG ,  Jianda ZHANG ,  Yuting WAN

IPC: C09J133/08 ,  C09J133/06 ,  C09J9/02

CPC classification number: C09J133/08 ,  C09J4/06 ,  C09J9/02 ,  C09J133/06 ,  C09J133/064 ,  C09J133/068

Abstract: The present invention provides a thermally curable pressure-sensitive adhesive composition, which, based on the total weight of the composition, comprises the following components: a) 35-99% by weight of a reactive polymethacrylate component having a glass transition temperature Tg of −35° C. to 32° C., and having a reactive functional group which can react with benzoxazine to form an interpenetrating polymer network; and b) 1-65% by weight of a benzoxazine component of the following formula: wherein: X is selected from the group consisting of a covalent bond, C1-C6 alkylene, C3-C10 cycloalkylene group, C═O, S, S═O or O═S═O R1 and R2 are the same or different and independently of each other selected from the group consisting of hydrogen, C1-C6 alkyl, or C5-C14 aryl, and R4 is selected from the group consisting of hydrogen, halogen or C1-C6 alkyl. The present invention also provides an electrically conductive adhesive composition and an adhesive tape comprising the above-described composition, and provides for the use of the composition for preparing membranes used for electronic and electrical products, automobile products and new energy equipment.

Abstract translation: 本发明提供一种热固化型压敏粘合剂组合物，其基于组合物的总重量包含以下组分：a）35-99重量％的玻璃化转变温度Tg为 - 35℃至32℃，并具有可与苯并恶嗪反应形成互穿聚合物网络的反应性官能团; 和b）1-65重量％的下式的苯并恶嗪组分：其中：X选自共价键，C 1 -C 6亚烷基，C 3 -C 10亚环烷基，C = O，S，S = O或O = S = O R 1和R 2相同或不同且彼此独立地选自氢，C 1 -C 6烷基或C 5 -C 14芳基，R 4选自氢 ，卤素或C 1 -C 6烷基。 本发明还提供了一种导电粘合剂组合物和包含上述组合物的粘合带，并且提供了用于制备用于电子和电气产品，汽车产品和新能源设备的膜的组合物的用途。

公开(公告)号：US20210253909A1

公开(公告)日：2021-08-19

申请号：US17250158

申请日：2019-06-10

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Qing WU ,  Fan Gao

IPC: C09J7/25 ,  C09J133/10 ,  C09J133/08 ,  C09J133/06 ,  C09J133/02 ,  C09J7/38 ,  C09J4/06

Abstract: The present invention provides a flame-retardant pressure-sensitive adhesive, comprising reaction products of the following reaction compositions based a total weight of the reaction compositions as 100 wt. %: 35-99 wt. % of a (meth)acrylate copolymer containing a functional reactive functional group, the functional reactive functional group comprising one or a plurality of the following groups: carboxyl group, hydroxyl group and epoxy group; the (meth)acrylate copolymer containing the functional reactive functional group being formed by free radical polymerization of one or a plurality of monomers; and 1-65 wt. % of a reactive organophosphorus flame retardant capable of reacting with the functional reactive functional group, the reactive organophosphorus flame retardant being formed by reaction of reaction components comprising the following substances: a compound or oligomer containing n epoxy groups, wherein n>=2, and 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide. The flame-retardant pressure-sensitive adhesive meets the halogen-free flame retardant requirements of the UL94V0 standard, and possesses high peel strength and high-temperature static shear strength.