PROBLEM TO BE SOLVED: To provide a silicone composition capable of providing desired elongation property by using organohydrogenpolysiloxane and organopolysiloxane having an alkenyl group and having enhanced safety with avoiding potential risk of fire and explosion.SOLUTION: There is provided a silicone rubber composition containing (A) specific diorganopolysiloxane of 100 pts.mass, (B-1) organohydrogenpolysiloxane containing a hydrogen atom binding to a silicon atom at both terminals of a molecule chain and other than terminals, (B-2) organohydrogenpolysiloxane containing the hydrogen atom binding to the silicon atom only at both terminals of the molecule chain, (C) fine powder silica of 5 to 50 pts.mass, (D) an addition reaction catalyst of 0.1 to 10 pts.mass, (E) an organic silicon compound having an epoxy group and an alkoxy group in a molecule, (F) silane containing a silanol group or a siloxane compound having 2 to 4 silicon atoms, and (G) a component for enhancing adhesiveness of the composition.SELECTED DRAWING: None

    【課題】オルガノハイドロジェンポリシロキサンとアルケニル基を有するオルガノポリシロキサンを用い、所望する伸び特性を得ることができ、火災と爆発の潜在的危険性を回避し安全性を高めたシリコーン組成物の提供。【解決手段】(A)特定のジオルガノポリシロキサンを100質量部、(B−1)分子鎖の両末端および末端以外とにケイ素原子と結合する水素原子を含有するオルガノハイドロジェンポリシロキサン、(B−2)分子鎖の両末端にのみケイ素原子と結合する水素原子を含有する、オルガノハイドロジェンポリシロキサン、(C)微粉末シリカを5〜50質量部(D)付加反応触媒、0.1〜10質量部(E)1分子中にエポキシ基とアルコキシ基とを有する有機ケイ素化合物、(F)シラノール基を含有するシラン又はケイ素原子2〜4個のシロキサン化合物、および(G)組成物の接着性を向上させる成分、を含有するシリコーンゴム組成物。【選択図】なし


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    Title :

    SILICONE RUBBER COMPOSITION FOR COATING


    Additional title:

    コーティング用シリコーンゴム組成物


    Contributors:

    Publication date :

    2018-07-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    C09D Überzugsmittel, z.B. Anstrichstoffe, Firnisse oder Lacke , COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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