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Process for advancing highly methylated methylolguanamines with triazines ureas or biscarbamates
Process for advancing highly methylated methylolguanamines with triazines ureas or biscarbamates
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机译:用三嗪脲或双氨基甲酸酯推进高度甲基化羟甲基胍胺的方法
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摘要
Highly methylated methylolguanamines, such as a methylated tetramethylolbenzoguanamine or tetramethylolacetoguanamine, are advanced by heating under acid to neutral conditions with an advancement agent such as benzoguanamine, acetoguanamine, ethyleneurea, 1,3-propyleneurea, melamine, or urea. The products may be heated with resins containing at least two alcoholic hydroxyl, carboxylic acid, or carboxylic amide groups per molecule to form hard, crosslinked coatings. They are particularly useful in powder coatings.
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