摘要:
Aqueous compositions of (per)fluoropolyether phosphates of formula: T—O—[Rf—CFY—L—O]P(O)(O−Z+)(OH); and/or (A) (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 in bulk by means of the wet-end method.
摘要:
Use in etching or polishing of integrated circuits of fluorinated additives of formula (I): T′(C3F6O)n(CFXO)mT (I) having a number average molecular weight in the range 250-400, in particular of the compound Cl(CF2—CF(CF3)O)nCF2COONa.
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.
摘要翻译:(全)氟聚醚磷酸酯的水性组合物,其结构如下:<?in-line-formula description =“In-line Formulas”end =“lead”→TO- [R ff -CFY-LO] (O)(O)(O) - (OH); (A)<?in-line-formula description =“In-line Formulas”end =“tail”?>和/或<?in-line-formula description =“In-line Formulas”end =“lead”?> (OH)m(O) - (O) - (O) - (O) - (O)(O) - (O) - - - - - - - - - - - - - - - - - -YFC-OR f Y Y LO LO LO]]]]] SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB (OH)m(<<<<<<<<
摘要:
Compositions comprising: A) from 0.15% to 50% by weight of at least one perfluoropolyether oil; B) from 0.5% to 10% by weight of a (per)fluoropolyether compound having at least one end group selected from carboxylic, alcoholic, amidic, ketonic, amino, alkoxy functions; C) from 0.01% to 2% by weight of an organic or inorganic, solid or liquid non fluorinated additive; D) from 50% to 95% by weight of at least a fluorinated liquid having a boiling point in the range 20° C.-250° C., preferably 50° C.-190° C., selected from hydrofluoroethers, hydrofluoropolyethers, hydrofluorocarbons; the sum of the components A), B), C), D) being 100% by weight.
摘要:
Compositions comprising anionic ionomeric polyurethanes crosslinkable in a wide temperature range, said composition comprising the following components: I) an aqueous dispersion of a linear crosslinkable ionomeric polyurethane, containing carboxylic groups and having a perfluoropolyether structure; II) a crosslinking agent, the ratio between the equivalents of the functional groups of the crosslinking agent and of the carboxylic groups of component I) being at least 0.7 up to 1.5, preferably 0.9–1.2, said crosslinking agent being dispersible or soluble in the dispersion component I).
摘要:
Use in etching or polishing of integrated circuits of fluorinated additives of formula (I): T′(C3F6O)n(CFXO)mT (I) having a number average molecular weight in the range 250–400, in particular of the compound Cl(CF2—CF(CF3)O)nCF2COONa.
摘要:
Use to confer no dirt-pick up properties to titanium surfaces of perfluoropolyethers of formula: T-O—[Rf′—CFY-L-O]P(O)(O−Z+)2-m(OH)m; (A) (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) wherein; m′ is an integer from 0 to 20; L is an organic group selected from —CH2—(OCH2CH2)n—, —CO—NR′—(CH2)q—, with R′=H, C1-C4 alkyl; n is a number from 0 to 8, q is a number from 1 to 8; Z+=alkaline metal ion, an aliphatic amine ion, a NR4 group wherein R is selected from H, C1-C4 alkyl, C1-C4 hydroxyalkyl; Y=F, CF3; m is a number between 0 and 2, extremes excluded; T is a (per)fluoroalkyl group selected from —CF3, —C2F5, —C3F7, —CF2Cl, —C2F4Cl, —C3F6Cl; Rf, Rf′ are selected from a C1-C20 (per)fluoroalkylene chain, a (per)fluoropolyoxyalkylene chain having a number average molecular weight in the range 350-8,000.