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    COATING COMPOSITION AND ITS USES
    1.
    发明公开
    COATING COMPOSITION AND ITS USES 审中-公开

    公开(公告)号：US20240084168A1

    公开(公告)日：2024-03-14

    申请号：US18270103

    申请日：2021-12-28

    Applicant: DOW GLOBAL TECHNOLOGIES LLC ,  DOW SILICONES CORPORATION

    Inventor： Tingting CHEN ,  Yu CHEN ,  Hongyu CHEN ,  Liyun ZHOU ,  Kang CHEN ,  Yusheng CHEN ,  Yi GUO ,  Qing SHI ,  Zhihua LIU

    IPC: C09D183/06 ,  D06N3/00 ,  D06N3/12

    CPC classification number: C09D183/06 ,  D06N3/0063 ,  D06N3/128 ,  D06N2203/066

    Abstract: The present disclosure relates to a leather coating composition comprising or consisting of a hydrosilylation curable silicone elastomer composition designed to be used as a topcoat for a synthetic leather material, particularly a silicone-based synthetic leather composite material. A silicone coating as a topcoat for a synthetic leather material which is the cured product of the composition, methods of making the topcoat, synthetic leather material utilizing same and uses of the synthetic leather material products are also disclosed. The topcoat is designed to provide a highly crosslinked silicone matrix containing silicon-free organic micro-particles to minimize or at least decrease change in gloss after abrasion. The leather coating composition comprises a hydrosilylation curable silicone elastomer composition, comprising: (i) at least one organopolysiloxane polymer; (ii) a reinforcing silica filler; (iii) a silicone resin cross-linker having terminal (M) groups comprising silicone bonded hydrogen; (iv) a hydrosilylation catalyst; and (v) silicon-free organic microparticles.

    POLYSILOXANE RESIN COMPOSITION
    2.
    发明申请
    POLYSILOXANE RESIN COMPOSITION 有权

    公开(公告)号：US20210115295A1

    公开(公告)日：2021-04-22

    申请号：US16970812

    申请日：2018-01-31

    Applicant: DOW GLOBAL TECHNOLOGIES LLC ,  DOW SILICONES CORPORATION

    Inventor： Xiaomei SONG ,  Guodong SHEN ,  Hongyu CHEN ,  Linfei WANG ,  Yunlong GUO

    IPC: C09D183/04 ,  C09D5/00 ,  C08L83/04

    Abstract: A coating composition is disclosed. The coating composition generally provides a coating which is easy to clean, e.g. from an oil stain. The coating composition contains, based on the solid contents of the coating composition; (A) 72 to 90 weight % of a methylpolysiloxane resin; (B) 3 to 8 weight % of a polydimethylsiloxane; (C) 7 to 18 weight % of a silane adhesion promoter with a specific chemical structure; and (D) 0.1 to 0.3 weight % of a catalyst. The coating composition optionally contains (E) a reaction product of a composition containing diisocyanate and polydimethylsiloxane. The coating composition optionally contains (F) a fluorinated silane, in addition or alternate to component (E).

    THERMAL INTERFACE MATERIAL
    10.
    发明公开
    THERMAL INTERFACE MATERIAL 审中-公开

    公开(公告)号：US20240059946A1

    公开(公告)日：2024-02-22

    申请号：US18267830

    申请日：2020-12-24

    Applicant: DOW GLOBAL TECHNOLOGIES LLC ,  DOW SILICONES CORPORATION

    Inventor： Chao HE ,  Dorab BHAGWAGAR ,  Jiguang ZHANG ,  Ling LING ,  Hongyu CHEN ,  Peng WEI ,  Yan ZHENG ,  Chen CHEN

    IPC: C09K5/06

    CPC classification number: C09K5/06

    Abstract: A thermal interface material is provided. The thermal interface material comprises: (A) a polyolefin having at least two hydroxy groups per molecule; (B) at least one thermally conductive filler; (C) a phase change material with a melting point of 25 to 150° C.; and (D) a coupling agent. A content of component (B) is at least 80 mass %, a content of component (C) is 0.01 to 1 mass %, and a content of component (D) is 0.1 to 1 mass %, each based on a total mass of the thermal interface material. The thermal interface material becomes softer as its temperature increases. Meanwhile, the thermal interface material generally does not exhibit pumping-out in electronic devices during power cycling.

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