发明授权
US07141140B2 Aqueous compositions of perfluoropolyether phosphates and use thereof to confer oleo-repellence to paper 有权
全氟聚醚磷酸盐的水性组合物及其用于赋予纸的疏油性的用途

Aqueous compositions of perfluoropolyether phosphates and use thereof to confer oleo-repellence to paper
摘要:
Aqueous compositions of (per)fluoropolyether phosphates of formula: T—O—[Rf—CFY—L—O]P(O)(O−Z+)(OH);   (A) and/or (OH)m(O−Z+)2-mP(O)[O—L—YFC—O—Rf—CFY—L—O—P(O)(O−Z+)]m′——[O—L—YFC—O—Rf—CFY—L—O]P(O)(O−Z+)2-m(OH)m   (B) and use thereof to confer oleo-repellence to the paper by means of the size-press method.
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