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US06071994A Formaldehyde-free aqueous binders 有权
不含甲醛的含水粘合剂

Formaldehyde-free aqueous binders
摘要:
Formaldehyde-free aqueous binders compriseA) a polymer containing from 5 to [lacuna]% by weight of units derived from an ethylenically unsaturated acid anhydride or from an ethylenically unsaturated dicarboxylic acid whose carboxyl groups can form an anhydride group, andB) an alkanolamine having at least two hydroxyl groups.
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