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A platform for research: civil engineering, architecture and urbanism
COATING FILM ON STRUCTURE, COATING MATERIAL SET FOR FORMING COATING FILM, AND COATING MATERIAL AND METHOD FOR UNDERCOAT LAYER
PROBLEM TO BE SOLVED: To provide a coating film being sheet-removable to facilitate removal work, and unlikely to separate if used for a long period of time on an underwater structure.SOLUTION: A coating film includes an undercoat layer bonded onto an underwater structure and an antifouling layer bonded onto the undercoat layer. In the coating film, a release degree with 100 g underwater constant load is less than 5(mm/20 mm), and a ratio of tensile breaking strength (N/20 mm) after immersed in pure water at 60°C for 5 weeks is 1.5 or more with regard to an adhesive force (N/20 mm) to the underwater structure. The antifouling layer has a 1 mm square cross-cut drawing release degree of 0.05 or less to the undercoat layer.SELECTED DRAWING: Figure 1
【課題】本発明の目的は、シート剥離可能で、除去作業を容易にすると共に、水中構造物において長時間使用しても剥離しにくい塗膜を提供することにある。【解決手段】水中構造物に接着する下塗層と、下塗層に接着する防汚層とを備え、１００グラム水中定荷重剥離度が、５（ｍｍ／２０ｍｍ）未満であり、６０℃の純水に５週間浸漬した後における引張破断強度（Ｎ／２０ｍｍ）の、水中構造物との接着力（Ｎ／２０ｍｍ）に対する比率が、１．５以上であり、防汚層の下塗層に対する１ｍｍ四方クロスカット延伸剥離度が、０．０５以下であることを特徴とする塗膜を提供する。【選択図】図１
COATING FILM ON STRUCTURE, COATING MATERIAL SET FOR FORMING COATING FILM, AND COATING MATERIAL AND METHOD FOR UNDERCOAT LAYER
PROBLEM TO BE SOLVED: To provide a coating film being sheet-removable to facilitate removal work, and unlikely to separate if used for a long period of time on an underwater structure.SOLUTION: A coating film includes an undercoat layer bonded onto an underwater structure and an antifouling layer bonded onto the undercoat layer. In the coating film, a release degree with 100 g underwater constant load is less than 5(mm/20 mm), and a ratio of tensile breaking strength (N/20 mm) after immersed in pure water at 60°C for 5 weeks is 1.5 or more with regard to an adhesive force (N/20 mm) to the underwater structure. The antifouling layer has a 1 mm square cross-cut drawing release degree of 0.05 or less to the undercoat layer.SELECTED DRAWING: Figure 1
【課題】本発明の目的は、シート剥離可能で、除去作業を容易にすると共に、水中構造物において長時間使用しても剥離しにくい塗膜を提供することにある。【解決手段】水中構造物に接着する下塗層と、下塗層に接着する防汚層とを備え、１００グラム水中定荷重剥離度が、５（ｍｍ／２０ｍｍ）未満であり、６０℃の純水に５週間浸漬した後における引張破断強度（Ｎ／２０ｍｍ）の、水中構造物との接着力（Ｎ／２０ｍｍ）に対する比率が、１．５以上であり、防汚層の下塗層に対する１ｍｍ四方クロスカット延伸剥離度が、０．０５以下であることを特徴とする塗膜を提供する。【選択図】図１
COATING FILM ON STRUCTURE, COATING MATERIAL SET FOR FORMING COATING FILM, AND COATING MATERIAL AND METHOD FOR UNDERCOAT LAYER
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
SUZUKI SATOSHI (author) / OGAWA TOMOYA (author) / NAITO TOMOYA (author) / KURATA NAOKI (author) / YOSHIE SATOMI (author) / NAGAO KOHEI (author)
2018-04-12
Patent
Electronic Resource
Japanese
IPC:
C09D
Überzugsmittel, z.B. Anstrichstoffe, Firnisse oder Lacke
,
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS
/
B05D
PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
,
Verfahren zum Aufbringen von Flüssigkeiten oder von anderen fließfähigen Stoffen auf Oberflächen allgemein
/
B32B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
,
Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse
/
B63B
Schiffe oder sonstige Wasserfahrzeuge
,
SHIPS OR OTHER WATERBORNE VESSELS
/
E02B
HYDRAULIC ENGINEERING
,
Wasserbau
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