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use of derivatives of perfluoropo lieteri to protect materials from atmospheric agents lapidei
use of derivatives of perfluoropo lieteri to protect materials from atmospheric agents lapidei
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机译:全氟辛烷磺酸衍生物用于保护材料免受大气成因的影响
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摘要
A process for protecting manufactured structures or articles of marble, stones, tiles, cement and the like from the action of polluting and atmospheric agents, by applying a perfluoropolyether onto the surface of the manufactured structure or article, characterized in that there is utilized a perfluoropolyether having at one or both its ends functional groups selected from carboxylic, ester or amidic groups.
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