To provide an antifouling coating material composition that is applied to a ship having frictional resistance reduced by utilizing a gas lubrication method to produce an antifouling coating film capable of enhancing the frictional resistance reduction effect and exhibiting excellent antifouling property, to provide an antifouling coating film using the antifouling coating material composition, to provide a base material with an antifouling coating film and a manufacturing method thereof and to provide a ship.SOLUTION: The antifouling coating material composition contains (A) a polyorganosiloxane block-containing hydrolyzable copolymer. In the antifouling coating composition, the polyorganosiloxane block-containing hydrolyzable copolymer (A) has (i) a constitutional unit derived from (a1) a hydrolyzable group-containing monomer and (ii) a constitutional unit derived from (a2) a polyorganosiloxane block-containing monomer and when a viscosity of the antifouling coating material composition as measured at a rotational speed of 6 rpm by a B type viscometer is Va and an intrinsic viscosity of the antifouling coating material composition is Vb, the relationship therebetween satisfies the following formula: Va/Vb≥15.0.SELECTED DRAWING: None

    【課題】気体潤滑法を利用した摩擦抵抗低減船舶に適用することで、その摩擦抵抗低減効果を高めることができ、防汚性に優れる防汚塗膜が得られる防汚塗料組成物を提供すること。更に、前記防汚塗料組成物を使用した防汚塗膜、防汚塗膜付き基材及びその製造方法、並びに船舶を提供すること。【解決手段】ポリオルガノシロキサンブロック含有加水分解性共重合体(A)を含有する防汚塗料組成物であり、該ポリオルガノシロキサンブロック含有加水分解性共重合体(A)が、(i)加水分解性基含有単量体(a1)に由来する構成単位、及び(ii)ポリオルガノシロキサンブロック含有単量体(a2)に由来する構成単位を有し、該防汚塗料組成物のB型粘度計の回転速度6rpmで測定された粘度をVa、該防汚塗料組成物の極限粘度をVbとしたとき、下記式を満たすことを特徴とする、防汚塗料組成物。Va/Vb≧15.0【選択図】なし


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    Title :

    ANTIFOULING COATING MATERIAL COMPOSITION


    Additional title:

    防汚塗料組成物


    Contributors:

    Publication date :

    2019-11-21


    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 / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B63G OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS , Angriffs- oder Verteidigungsanordnungen auf Schiffen