TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The plate-shaped inorganic compound is nonionic or non-swellable in water. The plate-shaped inorganic compound contains particles having average particle diameter of 0.1 mu m or more.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The ortho-orientated aromatic dicarboxylic acid or its anhydride is chosen from ortho-phthalic acid or its anhydride, naphthalene-2,3-dicarboxylic acid or its anhydride, naphthalene-1,2-dicarboxylic acid or its anhydride, anthraquinone-2,3-dicarboxylic acid or its anhydride and 2,3-anthracene dicarboxylic acid or its anhydride. The content of the ortho-orientated aromatic dicarboxylic acid or its anhydride is 70-100 %mass with respect to the total content of polyhydric carboxylic acid of the polyester structure monomer component.    TECHNOLOGY FOCUS - POLYMERS - Preferred Properties: The polyester polyol (A1) has hydroxyl values of 20-250 and acid value of 20-200. Preferred Composition: The main structure of resin (A) has polyether polyurethane structure. The resin (A) is polyester polyol (A1) containing at least one of carboxy group and 2 or more hydroxyl groups, polyester polyol (A2) containing polymerizable carbon-carbon double bond in a molecule, polyester polyol (A3) of formula (II), polyester polyol (A4) and polyester polyol (A5) having isocyanuric ring of formula (III). The polyester polyol (A3) contains 5 %mass or more glycerol residue. The polyester polyol (A2) comprises monomer component having polymerizable carbon-carbon double bond. The monomer component having polymerizable carbon-carbon double bond is maleic acid, maleic anhydride or fumaric acid. The content of monomer component having polymerizable carbon-carbon double bond is 50-60 parts mass with respect to 100 parts mass total content of monomer components in the polyester polyol (A2). The isocyanate compound (B) contains polyisocyanate containing aromatic ring which is a reaction product of metaxylene diisocyanate or metaxylene diisocyanate, and alcohol having two or more hydroxyl groups.R1-R3=H or -(C(=O)-X-C(=O)-O-Y'-O-)n-H, in which at least one of R1-R3 is -(C(=O)-X-C(=O)-O-Y'-O-)n-H;X=1,2-phenylenyl, 1,2-naphthylenyl, 2,3-naphthylenyl, 2,3-anthraquinone diyl or 2,3 anthracenediyl;Y'=2-6C alkylenyl;R'1-R'3=-(CH2)n1-OH or -(CH2)n2-O-(C(=O)-X-C(=O)-O-Y'-O)n3-H;n1,n2=2-4;andn3,n=1-5.Preferred Process: The polyester polyol (A1) is obtained by reacting carboxylic anhydride or polycarboxylic acid with polyester polyol having 3 or more hydroxyl groups. The polyester polyol (A4) is obtained by polycondensing polyhydric alcohol component containing ethylene glycol, propylene glycol, butylene glycol, neopentyl glycol and/or cyclohexane dimethanol, and polyvalent carboxylic acid component containing ortho-orientated aromatic dicarboxylic acid or its anhydride.