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    ELASTOMERIC COMPOSITIONS AND THEIR APPLICATIONS
    1.
    发明申请
    ELASTOMERIC COMPOSITIONS AND THEIR APPLICATIONS 审中-公开

    公开(公告)号：WO2019027668A1

    公开(公告)日：2019-02-07

    申请号：PCT/US2018/042405

    申请日：2018-07-17

    Applicant: DOW SILICONES CORPORATION

    Inventor： GUBBELS, Frederic ,  COOREMANS, Thierry ,  RENAUD, Julien ,  DE BUYL, Francois ,  BEUKEMA, Martin ,  BAILY, Victor ,  CHAMBARD, Gregory

    IPC: C08L83/04 ,  H01L23/29 ,  H01L33/56

    Abstract: A room temperature curable encapsulation/potting material composition comprising: (i) at least one condensation curable silyl terminated polymer having at least one, Si- hydroxyl functional groups per molecule; (ii) a cross-linker selected from the group of - silanes having at least 2 hydrolysable groups, alternatively at least 3 hydrolysable groups per molecule group; and/or - silyl functional molecules having at least 2 silyl groups, each silyl group containing at least one hydrolysable group. (iii) a condensation catalyst selected from the group of titanates and zirconates characterized in that: - the molar ratio of the sum of moisture present in the formulation, and total silicon bonded hydroxyl groups: the catalyst is > 7:1; and (a) when the molar ratio of the sum of moisture present in the formulation, and total silicon bonded hydroxyl groups: the catalyst is from > 7:1 to 10:1 the molar ratio of total silicon bonded hydroxyl groups : total hydrolysable groups is between 0.1:1 to 0.3:1 and (b) when the molar ratio of the sum of moisture present in the formulation, and total silicon bonded hydroxyl groups: the catalyst is from >10:1 the molar ratio of total silicon bonded hydroxyl groups : total hydrolysable groups is between 0.1:1 to 0.5:1.

    SELF-SEALING TIRES
    2.
    发明申请
    SELF-SEALING TIRES 审中-公开

    公开(公告)号：WO2021071847A1

    公开(公告)日：2021-04-15

    申请号：PCT/US2020/054419

    申请日：2020-10-06

    Applicant: DOW SILICONES CORPORATION

    Inventor： GUBBELS, Frederic ,  CHAMBARD, Gregory

    IPC: C08L21/00 ,  B29C73/16 ,  B29D30/06 ,  B60C19/00 ,  B60C19/12 ,  C08G77/04 ,  C08L83/04

    Abstract: The present disclosure relates to self- sealing tires, a process for making said self-sealing tires and the use of a silicone composition cured via a condensation cure chemistry to form a self -sealing layer designed to function as both (i) a self-sealing tire puncture material, i.e., to seal puncture holes in the tread region of tires if/when punctured by a foreign body and (ii) as an adhesive for sound-absorbing foams adapted to reduce the noise generated by tires during travel.

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