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Compositions comprising aqueous dispersions of crosslinkable polyurethanes having (per)fluoropolyether structures
Compositions comprising aqueous dispersions of crosslinkable polyurethanes having (per)fluoropolyether structures
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机译:包含具有(全)氟聚醚结构的可交联聚氨酯水分散体的组合物
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摘要
Compositions comprising anionic ionomeric polyurethanes cross-linkable in a wide temperature range, said composition comprising the following components:I) an aqueous dispersion of a linear crosslinkable ionomeric polyurethane, containing carboxylic groups and having a perfluoropolyether structure;II) a crosslinking agent, the ratio between the equivalents of the functional groups of the crosslinking agent and of the carboxylic groups of component I) being at least 0.7 up to 1.5, preferably 0.9-1.2, said crosslinking agent being dispersible or soluble in the dispersion component I) .展开▼
机译:包含可在宽温度范围内交联的阴离子离聚物型聚氨酯的组合物,所述组合物包含以下组分: I)线性可交联离聚物聚氨酯的水分散体,含有羧基并具有全氟聚醚结构; ListItem> II )一种交联剂,该交联剂的官能团与组分I)的羧基的当量比至少为0.7至1.5,优选为0.9-1.2,所述交联剂可分散或可溶于分散体中组件I)。 ListItem> UnorderedList>
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