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Coating method for room temperature curable organopolysiloxane composition for radiation shielding
Coating method for room temperature curable organopolysiloxane composition for radiation shielding
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机译:室温可固化辐射屏蔽有机聚硅氧烷组合物的涂布方法
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摘要
PROBLEM TO BE SOLVED: To provide a coating method which has preferable operability and curability and can secure a cured thickness and radiation ray shielding property, and to provide a structure which is coated by the coating method and is suited for radiation ray shielding use as the structure in a radiation contamination region.SOLUTION: A coating method includes a process in which an arbitrary wall surface of a structure is coated with a radiation ray shielding room temperature curable organopolysiloxane composition containing the following (A) to (D) components by using a coating spray system and a coated film is cured at room temperature: (A) diorganopolysiloxane of which molecular chain both terminals are closed by hydroxide group and/or hydrolyzable group; (B) barium sulfate; (C) silica having a BET specific surface area of 10 m/g or more; (D) silane and/or partially hydrolyzed condensate which has at least two hydrolyzable groups in one molecule represented by RSiZ(Ris mono-valent hydrocarbon group having the number of carbon atoms of 1 to 12, Z is independently hydrolyzable group, a is an integer of 0 to 2).
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