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    • 9. 发明申请
    • Complex emulsions of perfluoropolyethers
    • 全氟聚醚的复合乳液
    • US20050215650A1
    • 2005-09-29
    • US11087739
    • 2005-03-24
    • Giovanni Pantini
    • Giovanni Pantini
    • A61K9/113A61K8/06A61K8/42A61K8/70A61K8/81A61K8/86A61K8/88A61K8/97A61Q17/02A61Q17/04A61Q19/00B01F17/22B01F17/52C08G65/00C08J3/03C08L71/00C08L71/02C08L101/14C09K3/30
    • A61K9/113A61K8/066A61K8/70A61K8/8152A61K8/86A61K2800/594A61Q17/04A61Q19/00
    • Compositions in the form of multiple emulsions having a X/O/A structure, wherein X is a hydrophilic liquid immiscible with oil; O is an oily phase; A a water phase, comprising: A1) from 0.01% to 10% by weight of a bifunctional alkylamidic (per)fluoropolyether derivative having formula: R′—NH—C(O)—CF2O—Rf—CF2—C(O)—NH—R   (I) wherein R and R′, equal or different, are a C13-C20 linear or branched alkyl chain; Rf represents a (per)fluoropolyether chain comprising repeating units selected from the following: a) —(C3F6O)—; b) —(CF2CF2O)—; c) —(CFL0O)—, wherein L0=—F, —CF3; d) —CF2(CF2)z′CF2O—, wherein z′ is 1 or 2; e) —CH2CF2CF2O—; the number average molecular weight of Rf being from about 500 to about 5,000; B1) from 0.1% to 0.5% by weight of a copolymer, comprising monomers of acrylic type, swelling in water, characterized by the presence of acid groups and hydrophobic groups, having emulsifying activity after neutralization of the acid groups with bases; the pH of the composition being, at least, 5.
    • 具有X / O / A结构的多重乳液形式的组合物,其中X是与油不混溶的亲水性液体; O是油相; 一种水相,其包含:A1)0.01重量%至10重量%的双官能烷基酰胺基(全)氟代聚醚衍生物,其具有下式:<βin-line-formula description =“In-line Formulas”end =“lead”? R'-NH-C(O)-CF 2或-CF 2 -C(O)-NH-R(I )<?in-line-formula description =“In-line Formulas”end =“tail”?>其中R和R'相同或不同,是C 13 -C 20 直链或支链烷基链; R f表示包含选自以下的重复单元的(全)氟聚醚链:a) - (C 3 F 6 O) - ; b) - (CF 2 CF 2 O) - ; c) - (CFL O O O) - ,其中L 0是= F,-CF 3 N; d)-CF 2(CF 2)2 - ,其中z'是1或 2; e)-CH 2 CH 2 CF 2 O 2 O-; R f的数均分子量为约500至约5,000; B1)0.1重量%至0.5重量%的共聚物,其包含丙烯酸类单体,在水中溶胀,其特征在于存在酸基和疏水基,在用碱中和酸基之后具有乳化活性; 组合物的pH至少为5。