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    CURABLE PRECURSOR OF AN ADHESIVE COMPOSITION
    1.
    发明申请
    CURABLE PRECURSOR OF AN ADHESIVE COMPOSITION 审中-公开

    公开(公告)号：WO2022243945A1

    公开(公告)日：2022-11-24

    申请号：PCT/IB2022/054711

    申请日：2022-05-19

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： SPROTT, Sascha ,  SHAABAN, Ahmad ,  CLAUSSEN, Kai Uwe ,  BISSINGER, Peter ,  FRITZ, Emelie M. ,  JUNG, Adrian T.

    IPC: C09J4/00 ,  C08F222/10 ,  C09J143/02 ,  C08F220/18 ,  C08K5/00 ,  C08K5/3435 ,  C08K3/22

    Abstract: The present disclosure relates to a curable precursor of an adhesive composition, the curable precursor comprising: (a) a radically (co) polymerizable (meth)acrylate-based component comprising (i) C1-C32 (meth)acrylic acid ester monomers; and (ii) an ethylenically unsaturated acidic compound; (b) a crosslinker for the (meth)acrylate-based component, which comprises at least one acid-functional group derived from phosphoric acid and at least one radically (co)polymerizable reactive group; and (c) a nitroxide wherein the C1-C32 (meth)acrylic acid ester monomers (a)(i) do not comprise functional groups other than the (meth)acrylic acid ester groups, and wherein the ethylenically unsaturated acidic compound (a)(ii) does not comprise an acid-functional group derived from phosphoric acid. The present disclosure further relates to a process for making a cured composition from said curable precursor and to the use of said curable precursor for adhesive applications and/or for thermal management applications in the automotive industry.

    CURABLE PRECURSOR OF AN ADHESIVE COMPOSITION
    2.
    发明申请
    CURABLE PRECURSOR OF AN ADHESIVE COMPOSITION 审中-公开

    公开(公告)号：WO2022241748A1

    公开(公告)日：2022-11-24

    申请号：PCT/CN2021/095045

    申请日：2021-05-21

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY ,  TONG, Lingjie

    Inventor： SHAABAN, Ahmad ,  JUNG, Adrian T. ,  SPROTT, Sascha ,  KROPP, Michael A. ,  LIN, Binhong

    IPC: C08F290/14 ,  C09J4/06 ,  C09J175/16

    Abstract: The present disclosure relates to a curable precursor of an adhesive composition, the curable precursor comprising a first part and a second part, wherein the first part comprises: (a) a radically (co) polymerizable (meth) acrylate-based component comprising (i) C1-C 32 (meth) acrylic acid ester monomers; and wherein the second part comprises (b) an initiator; and (c) a vinyl aromatic compound. The present disclosure further relates to a process for making a cured composition from said curable precursor and to the use of said curable precursor for adhesive applications and/or for thermal management applications in the automotive industry.

    ELASTIC ONE-PART STRUCTURAL ADHESIVE TAPE
    3.
    发明申请
    ELASTIC ONE-PART STRUCTURAL ADHESIVE TAPE 审中-公开

    公开(公告)号：WO2020201982A1

    公开(公告)日：2020-10-08

    申请号：PCT/IB2020/053002

    申请日：2020-03-30

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： JUNG, Adrian T. ,  TASCH, Boris

    IPC: C09J7/10 ,  C09J7/30 ,  C09J11/06

    Abstract: The present disclosure relates generally to the field of adhesives, more specifically to the field of structural adhesive tapes, in particular for use in bonding metal parts. The present disclosure also relates to a method of bonding two parts and to a composite article. The present disclosure is further directed to the use of a structural adhesive tape for industrial applications, such as construction and automotive applications, in particular for body-in-white bonding applications in the automotive industry.

    EPOXY CASTING RESIN FORMULATION
    5.
    发明申请
    EPOXY CASTING RESIN FORMULATION 审中-公开

    公开(公告)号：WO2018167551A1

    公开(公告)日：2018-09-20

    申请号：PCT/IB2017/057751

    申请日：2017-12-08

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： MUTH, Mathis A. ,  PETRY, Michael ,  JUNG, Adrian T.

    IPC: C08G59/00 ,  C08G59/50 ,  C08G59/54 ,  C08G59/62 ,  H02G15/08

    Abstract: The present disclosure provides a curable casting resin precursor, comprising (a) a first part (A) comprising: (a1) at least one epoxy resin; (b) a second part (B) comprising: (b1) at least one first amine-based epoxy curing agent; (b2) optionally, at least one second amine-based epoxy curing agent; (b3) at least one mineral filler; (b4) at least one phenolic lipid; wherein part (A) and/or part (B) comprise at least one triphenylmethane dye. The curable casting resin precursor is suited for encapsulating metal parts such as cable joints and the like.

    TWO-PART ADHESIVE COMPOSITION THAT UNDERGOES A VISUAL CHANGE WHEN CURED
    6.
    发明申请
    TWO-PART ADHESIVE COMPOSITION THAT UNDERGOES A VISUAL CHANGE WHEN CURED 审中-公开

    公开(公告)号：WO2020136511A2

    公开(公告)日：2020-07-02

    申请号：PCT/IB2019/061037

    申请日：2019-12-18

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： JUNG, Adrian T. ,  BARDTS, Mareike ,  HASENBERG, Dirk

    IPC: C09J5/06 ,  C09J163/00 ,  C09J11/06

    Abstract: The present disclosure provides a method for bonding parts, comprising the following steps (a) Providing a two-component adhesive composition precursor, comprising a first part (A) comprising at least one epoxy curing agent and preferably at least one first dye; a second part (B) comprising at least one second dye different from the at least one first dye and at least one epoxy resin; (b) Mixing part (A) and part (B) of the two-component adhesive composition precursor so as to obtain an adhesive composition; (c) Applying the adhesive composition onto a first part; (d) Applying a second part onto the adhesive composition applied to the first part; and then performing a first curing step at a first temperature, wherein the adhesive composition undergoes a first colour change; or (e) Performing a first curing step at a first temperature, wherein the adhesive composition undergoes a first colour change, and then applying a second part onto the adhesive composition applied to the first part; (f) Perform a second curing step at a second temperature higher than the first temperature, thereby fully curing the adhesive composition so as to obtain a structural adhesive bond between the first and second parts, wherein the adhesive composition undergoes a second colour change.

    POLYMERIC MATERIAL INCLUDING A URETDIONE-CONTAINING MATERIAL AND A THERMALLY ACTIVATABLE AMINE, TWO-PART COMPOSITIONS, AND METHODS
    7.
    发明申请
    POLYMERIC MATERIAL INCLUDING A URETDIONE-CONTAINING MATERIAL AND A THERMALLY ACTIVATABLE AMINE, TWO-PART COMPOSITIONS, AND METHODS 审中-公开

    公开(公告)号：WO2020065466A1

    公开(公告)日：2020-04-02

    申请号：PCT/IB2019/057938

    申请日：2019-09-19

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： WHITE, Kolby L. ,  KRYGER, Matthew J. ,  RULE, Joseph D. ,  KROPP, Michael A. ,  JUNG, Adrian T.

    IPC: C08G18/79 ,  C08G18/28 ,  C08G18/32 ,  C08G18/80

    Abstract: The present disclosure provides a polymeric material including a polymerized reaction product of a polymerizable composition including components, and a thermally activatable amine curative, and has a solids content of 90% or greater. The components include a uretdione-containing material including a reaction product of a diisocyanate reacted with itself; a first hydroxyl-containing compound; and an optional second hydroxyl-containing compound having a single OH group. The first hydroxyl-containing compound has more than one OH group and the optional second hydroxyl-containing compound is a primary alcohol or a secondary alcohol. The present disclosure also provides a two-part composition, in which a polymeric material is included in the first part and the second part includes at least one liquid amine. Further, a method of adhering two substrates is provided, including obtaining a two-part composition; combining at least a portion of the first part with at least a portion of the second part to form a mixture; disposing at least a portion of the mixture on a first substrate; and contacting a second substrate with the mixture disposed on the first substrate. The disclosure also provides a polymeric material and a method of curing a two-part composition. Advantageously, two-part compositions according to the present disclosure can be used as coatings and adhesive systems having a two-step cure with handling and performance similar to existing two-part urethane systems, but with less sensitivity to water.

    COLOR-CHANGING ADHESIVE COMPOSITION
    8.
    发明申请
    COLOR-CHANGING ADHESIVE COMPOSITION 审中-公开
    颜色变化胶粘剂组合物

    公开(公告)号：WO2016081357A1

    公开(公告)日：2016-05-26

    申请号：PCT/US2015/060856

    申请日：2015-11-16

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： JUNG, Adrian T. ,  CHANDRABALAN, Santhosh K. ,  WEGRZYNSKA, Joanna K. ,  WUERCH, Daniel W. ,  CLAUS, Christian E.

    IPC: C09J163/00

    CPC classification number: C09J11/06 ,  C08G59/4021 ,  C08G59/4215 ,  C08G59/5013 ,  C09J163/00

    Abstract: The present disclosure relates to a color-changing adhesive composition, for example, a color-changing adhesive composition suitable in the preparation of composite materials. The present disclosure also relates to methods of preparing composite materials using color-changing adhesive compositions and to composite-materials comprising such color-changing compositions. In certain embodiments, the present disclosure provides color-changing adhesive compositions having an initial color, where the adhesive composition is capable of changing color to a final color, different from the initial color, once the adhesive compositions contact a curing composition comprising one or more curing agents. In certain embodiments the final color is colorless.

    Abstract translation: 本公开涉及一种变色粘合剂组合物，例如适用于制备复合材料的变色粘合剂组合物。 本公开还涉及使用变色粘合剂组合物和包含这种变色组合物的复合材料制备复合材料的方法。 在某些实施方案中，本公开提供具有初始颜色的变色粘合剂组合物，其中粘合剂组合物能够将颜色变化为与初始颜色不同的最终颜色，一旦粘合剂组合物接触包含一种或多种 固化剂。 在某些实施方案中，最终颜色是无色的。

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