Coating agent for concrete structures

(10) US 2019/0390083 Al

(22) 22.01.2018

(43) 26.12.2019

(57) A coating agent is disclosed, which is suitable for concrete structures. The coating agent comprises: (A) a diorganop­olysiloxane capped at both molecular terminals with silanol groups or silicon atom-bonded hydrolyzable groups; (B) a silane compound having at least two silicon atom-bonded hydrolyzable groups per molecule, or a partially hydrolyzed condensate thereof; (C) a curing catalyst; and (D) fumed silica. The coating agent forms a silicone film that is strongly adherent to a concrete structure, and that enables visual confirmation of the surface state of the concrete structure through the silicone film.

(71) DOW TORAY CO., LTD., Shinagawa-ku, Tokyo (JP)

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