Sumitomo Chemical Company, Limited

Nikon-Essilor Co., Ltd.

Tomohiro Ito

Michiru Uehara

Tomonori Miyamoto

Masayoshi Tokuda

Hideyuki Wakiyasu

Katsuyoshi Takeshita

An object of the present invention is to provide a laminate which has a substrate, an intermediate layer, and a water-repellent layer laminated in this order, and has excellent abrasion resistance. The present invention is a laminate comprising: a substrate (s) having an anti-reflection layer; an intermediate layer (c) placed on the anti-reflection layer side of the substrate; and a water-repellent layer (r), in this order, wherein the intermediate layer (c) is a cured layer of a mixture composition (cc) of an organosilicon compound (C), or a vapor deposition layer of the organosilicon compound (C), the organosilicon compound (C) contains a silicon atom together with an amino group and/or an amine skeleton, the water-repellent layer (r) is a cured layer of a mixture composition (ca) of an organosilicon compound (A) in which a monovalent group having a perfluoropolyether structure is bound to a silicon atom through a linking group or without a linking group located therebetween, and a hydrolyzable group is bound to the silicon atom through a linking group or without a linking group located therebetween, and the laminate satisfies the following requirement (1),

Laminate and production method therefor

Although a composition for formation of a coating film is sometimes required to have satisfactory storage stability, it could not be said that a conventionally known composition has sufficient storage stability. It is an object of the present invention to provide a composition comprising an organosilicon compound which is excellent in storage stability. The present invention provides a composition comprising an organosilicon compound (A) represented by the following formula (a1), a metal compound (B) represented by the following formula (b1), a carboxylic acid compound (C), and an acid catalyst. 

Composition

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Osaka, Japan

Tomohiro Ito