发明授权
US6028167A Use of phenolsulfonic acid-formaldehyde condensation products as drying aids 有权
使用苯磺酸 - 甲醛缩合产物作为干燥助剂

Use of phenolsulfonic acid-formaldehyde condensation products as drying
aids
摘要:
Phenolsulfonic acid-formaldehyde condensates are used as assistants in the drying of aqueous polymer dispersions.Also described are a process for preparing polymer powders by drying, using these condensates; the polymer powders obtainable by the process; and their use as binders.
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