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    Flame retardant pressure-sensitive adhesive and method of making
    1.
    发明授权
    Flame retardant pressure-sensitive adhesive and method of making 有权

    公开(公告)号：US12286507B2

    公开(公告)日：2025-04-29

    申请号：US18698249

    申请日：2022-10-12

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Eumi Pyun ,  Hei-Seung Harry Lee

    IPC: C09J7/25 ,  C08F8/40 ,  C09J7/38

    Abstract: A method of making a (meth)acrylate copolymer having pendent phosphate-containing groups and a pressure-sensitive adhesive that contains the (meth)acrylate copolymer having pendent phosphate-containing groups are provided. The method includes reacting a precursor (meth)acrylate copolymer having pendent carboxylic acid groups with an epoxy-functionalized phosphate compound. The pendent phosphate-containing groups on the reaction product can function as a flame retardant for the pressure-sensitive adhesive.

    FLAME RETARDANT PRESSURE-SENSITIVE ADHESIVE AND METHOD OF MAKING
    2.
    发明申请
    FLAME RETARDANT PRESSURE-SENSITIVE ADHESIVE AND METHOD OF MAKING 有权

    公开(公告)号：US20240425622A1

    公开(公告)日：2024-12-26

    申请号：US18698249

    申请日：2022-10-12

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Eumi Pyun ,  Hei-Seung Harry Lee

    IPC: C08F8/40 ,  C09J7/25 ,  C09J7/38

    Abstract: A method of making a (meth)acrylate copolymer having pendent phosphate-containing groups and a pressure-sensitive adhesive that contains the (meth)acrylate copolymer having pendent phosphate-containing groups are provided. The method includes reacting a precursor (meth)acrylate copolymer having pendent carboxylic acid groups with an epoxy-functionalized phosphate compound. The pendent phosphate-containing groups on the reaction product can function as a flame retardant for the pressure-sensitive adhesive.

    ADHERABLE FILM AND METHOD OF MANUFACTURE THEREOF
    3.
    发明申请
    ADHERABLE FILM AND METHOD OF MANUFACTURE THEREOF 有权

    公开(公告)号：US20220340784A1

    公开(公告)日：2022-10-27

    申请号：US17762585

    申请日：2020-09-24

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Eumi Pyun ,  Shinsuke Kondo ,  Lynn E. Lorimor

    IPC: C09J7/22

    Abstract: An adherable film includes a substrate that is substantially free of a flame retardant material and has a top major surface and a bottom major surface. An adhesive layer disposed on the bottom major surface of the substrate has a continuous pattern. The adhesive layer is made of an adhesive that is substantially free of a flame retardant material. In a plan view, the continuous pattern defines a plurality of discontinuous non-adhesive portions of the substrate without the adhesive. Each discontinuous non-adhesive portion is completely surrounded by the continuous pattern. The adherable film including the adhesive layer having the continuous pattern exhibits an improved flame retarding characteristic relative to a discontinuous adherable film having a substrate with a same material composition as that of the substrate of the adherable film and a discontinuous adhesive layer with a same material composition as that of the adhesive layer of the adherable film.

    INTUMESCENT CAULKING COMPOSITIONS AND METHODS
    8.
    发明申请
    INTUMESCENT CAULKING COMPOSITIONS AND METHODS 审中-公开
    化学成分和方法

    公开(公告)号：US20150218403A1

    公开(公告)日：2015-08-06

    申请号：US14171530

    申请日：2014-02-03

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Yi Lu ,  Eumi Pyun ,  Carl E. Fisher ,  Jimmie R. Baran, Jr. ,  Robert E. Gestner ,  Terrance P. Smith

    IPC: C09D131/04 ,  C08K5/52 ,  C08K3/04

    CPC classification number: C09D131/04 ,  C08K3/04 ,  C08K5/5205 ,  C09K3/1006 ,  C09K2003/1037 ,  C09K2200/0208 ,  C09K2200/0458 ,  C09K2200/0642 ,  F16L5/04

    Abstract: Embodiments herein include intumescent caulking compositions and methods related thereto. In an embodiment, an intumescent caulking composition is included having a nitrogen phosphorus component and an expandable graphite. The composition can exhibit a char expansion ratio of at least 8, a char strength of at least 8 N, and a caulk rate of greater than 100 gm/min after 1 day. In an embodiment, an intumescent caulking composition is included having at least about 5 wt. % ethylene diamine phosphate, at least about 5 wt. % expandable graphite, and at least about 30 wt. % of an elastomeric binder. In an embodiment, a method of making an intumescent caulking composition is included. In an embodiment, a method of using an intumescent caulking composition is included. In an embodiment, a method of enhancing the fire retardancy of a wall or floor is included. Other embodiments are also included herein.

    Abstract translation: 本文的实施方案包括膨胀型填缝组合物及其相关方法。 在一个实施方案中，包括具有氮磷组分和可膨胀石墨的膨胀型填缝组合物。 该组合物可以在1天后表现出至少8的焦炭膨胀率，至少8N的炭强度和大于100g /分钟的填缝率。 在一个实施方案中，包括膨胀性填缝组合物，其具有至少约5wt。 ％乙二胺磷酸盐，至少约5wt。 ％的可膨胀石墨，和至少约30wt。 ％的弹性粘合剂。 在一个实施方案中，包括制备膨胀型填缝组合物的方法。 在一个实施方案中，包括使用膨胀性填缝组合物的方法。 在一个实施例中，包括增强墙壁或地板的阻燃性的方法。 本文还包括其它实施例。

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