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HIGH-GLOSS POLYURETHANE COATINGS PREPARED FROM ALLOPHANATE/POLYISOCYANATE HARDENER COMPOSITIONS
HIGH-GLOSS POLYURETHANE COATINGS PREPARED FROM ALLOPHANATE/POLYISOCYANATE HARDENER COMPOSITIONS
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机译:由脲基甲酸酯/聚异氰酸酯硬化剂组合物制得的高光泽聚氨酯涂料
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摘要
Hydrophilic hardener compositions include at least one hydrophobic polyisocyanate, the hydrophobic polyisocyanate containing one or more allophanate functional groups, and the allophanate functional groups being present in the hardener compositions in an amount at least equal to 6 mol % relative to the total number of moles of isocyanate monomers converted in the preparation of the hardener composition, and are useful for the preparation in aqueous phase of high-gloss polyurethane coating formulations.
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