发明授权
US5798415A Cationic fluoro copolymers for the oleophobic and hydrophobic treatment of building materials 失效
阳离子氟共聚物用于建筑材料的疏油和疏水处理

Cationic fluoro copolymers for the oleophobic and hydrophobic treatment
of building materials
摘要:
The invention relates to fluoro copolymers containing hydroxyl groups and amino groups in salified or quaternized form. With such a copolymer and a polyisocyanate, an aqueous composition which is useful for the oleophobic and hydrophobic treatment of building materials may be prepared.
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