構造物上の塗膜、塗膜を形成するための塗料セット及び下塗層用塗料並びに塗工方法

Japanese Patent JP7046542

B2

An object of the present invention is to provide a coating film which is capable of being peeled off in the shape of sheet to facilitate a coating film removal work, and is less likely to peel even after long periods of use on an underwater structure. Provided is a coating film which comprises an undercoat layer to be bonded to an underwater structure, and an antifouling layer bonded to the undercoat layer, wherein: a 100-gram underwater constant load peeling degree of the coating film is less than 5 (mm/20 mm); a ratio of a tensile breaking strength (N/20 mm) of the coating film to an adhesive force (N/20 mm) of the coating film with respect to the underwater structure, as measured after immersing the coating film in pure water at 60°C for 5 weeks is 1.5 or more; and a 1-mm square cross-cut stretching-caused peeling degree of the antifouling layer with respect to the undercoat layer is 0.05 or less.

Satoshi Suzuki
Tomoya Ogawa
Tomoya Naito
Kurata Naoki
Satomi Yoshie
Kohei Nagao

JP2017186201A

April 04, 2022

September 27, 2017

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NITTO DENKO CORPORATION

C09D109/00; B05D5/00; B05D7/00; B32B27/00; B63B59/04; C09D5/00; C09D5/16; C09D7/63; C09D125/04; C09D133/00; C09D183/04; E02B1/00; E02B5/00

JP2004202385A
JP2003327912A
JP2011240228A

Shinichiro Tanaka
Teshimaru Ken
Fumiaki Otsuka
Takayoshi Nishijima
Hiroyuki Suda
Hiroshi Uesugi
Naoki Kondo
Gankei Kishi

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