Fluorochemical urethane
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Fluorochemical urethane
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WebJul 15, 2005 · The fluorochemical urethane compound (s) used in compositions of the invention comprise the reaction product of (a) one or more polyfunctional isocyanate compounds; (b) one or more hydrophilic polyoxyalkylene compounds; and (c) one or more fluorochemical monofunctional compounds; and (d) optionally, one or more silane … WebFluorochemical research has shown that the optimum perfluoroalkyl groups for oil repellency are 10–12 carbon atoms long. This is not the only variable that affects …
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Webfluorochemical companies have agreed to eliminate PFOA by 2015. Well-known consumer products have helped bring these issues into public awareness. In 2000, 3M stopped … WebThe present invention relates to fluorochemical polyurethane compounds, a method for their preparation, a method of application, and compositions comprising that fluorochemical polyurethane compound. The compound and the composition comprising that compound are suitable to impart durable oil- and water-repellency to substrates.
WebThis fluorochemical urethane compound comprises the reaction product of (a) one or more polyfunctional isocyanate compounds; (b) one or more fluorochemical monofunctional …
WebFluorochemical Urethane Trade Secret* < 3 *The specific chemical identity and/or exact percentage (concentration) of this composition has been withheld as a trade secret. how much magnesium in peanutsWebApr 17, 2002 · The fluorochemical treatments of the present invention comprise 1) fluorochemical, urethane compounds formed from the reaction of (a) a tri- or higher order isocyanate; (b) a stoichiometric amount of a reactive fluorochemical monofunctional compound sufficient to react with at least 50% of the isocyanate (i.e., —NCO) groups; … how do i log out of amazon appWebBlind fasteners专利检索，Blind fasteners属于 .用形状记忆材料专利检索，找专利汇即可免费查询专利， .用形状记忆材料专利汇是一家知识产权数据服务商，提供专利分析，专利查询，专利检索等数据服务功能。 how do i log out of bluebeamWebPer- and polyfluoroalkyl substances (PFAS) are a diverse group of human-made chemicals used in a wide range of consumer and industrial products. PFAS do not easily breakdown and some types have... how do i log out of barclays appWebSep 1, 2024 · Fluorochemical urethane (FU) is a newer innovation with a shorter fluorocarbon chain (C4), is free from perfluorooctanoic acid (PFOA) and … how much magnesium in milk of magnesiumWebA kind of fluorochemical urethane and preparation method thereof - Patent CN-106674473-B - PubChem Apologies, we are having some trouble retrieving data from … how do i log out of amazon primeWebThe fluorochemical urethane compound is terminated, on average, with (a) one or more perfluoroalkyl groups, (b) one or more perfluoroheteroalkyl groups; and optionally (c) one or more silyl groups and/or (d) one or more hydrophilic polyoxyalkylene groups. It will be understood that the reaction product will provide a mixture of compounds, some ... how do i log out of candy crush