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    ELECTRONIC DEVICE WITH REMOVABLE COMPONENT
    1.
    发明申请
    ELECTRONIC DEVICE WITH REMOVABLE COMPONENT 审中-公开

    公开(公告)号：WO2021171258A1

    公开(公告)日：2021-09-02

    申请号：PCT/IB2021/051638

    申请日：2021-02-26

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： DEVOLDER, Ross J. ,  KUDUVA RAMAN THANUMOORTHY, Ramasubramani ,  ANDERSON, Jonathan J. ,  TRAINOR, Sierra V.

    IPC: C09J7/38

    Abstract: An electronic device having a battery or other component coupled thereto with a thin, sub-100μm stretch-release tape construction. Tape constructions which may be useful as stretch-release tapes comprise: a first pressure sensitive adhesive (PSA) layer; a support layer; and a second pressure sensitive adhesive (PSA) layer; wherein the support layer comprises: 55-95 wt% of an olefinic copolymer of ethylene and alpha-olefin(s) comprising 3-12 carbons; and 5-45 wt% of a first tackifier. Alternately, the support layer comprises: 55-100 wt% of an olefinic copolymer of ethylene and alpha-octene; and 0-45 wt% of a first tackifier. Alternately, the support layer comprises a first tackifier; the first PSA layer comprises a second tackifier; and the second PSA layer comprises a third tackifier; where the first, second, and third tackifiers are the same tackifier. In some embodiments, first and second PSA layers comprise 30-70 wt% of a styrenic copolymer and 30-70 wt% of a tackifier.

    STRETCH-RELEASABLE TAPES
    3.
    发明申请
    STRETCH-RELEASABLE TAPES 审中-公开

    公开(公告)号：WO2020234705A1

    公开(公告)日：2020-11-26

    申请号：PCT/IB2020/054587

    申请日：2020-05-14

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： DEVOLDER, Ross J. ,  KUDUVA RAMAN THANUMOORTHY, Ramasubramani ,  ANDERSON, Jonathan J. ,  TRAINOR, Sierra V.

    IPC: C09J7/38 ,  C09J7/24

    Abstract: Constructions which may be useful as stretch-release tapes comprise: a first pressure sensitive adhesive (PSA) layer; a support layer; and a second pressure sensitive adhesive (PSA) layer; wherein the support layer comprises: 55-95 wt% of an olefinic copolymer of ethylene and alpha-olefin(s) comprising 3-12 carbons; and 5-45 wt% of a first tackifier. Alternately, the support layer comprises: 55-100 wt% of an olefinic copolymer of ethylene and alpha-octene; and 0-45 wt% of a first tackifier. Alternately, the support layer comprises a first tackifier; the first PSA layer comprises a second tackifier; and the second PSA layer comprises a third tackifier; where the first, second, and third tackifiers are the same tackifier. In some embodiments, first and second PSA layers comprise 30-70 wt% of a styrenic copolymer and 30-70 wt% of a tackifier.

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