摘要:
A photostable cosmetic filter composition for protecting human skin against UV radiation at wavelengths between 280 and 380 nm comprises, in a cosmetically acceptable support medium containing at least one oily phase, 1 to 3% by weight of a dibenzoylmethane derivative and at least 1% by weight of a substituted dialkylbenzalmalonate having formula I: ##STR1## R.sub.1 and R.sub.3 may be identical or different and represent H or a straight- or branched-chain C.sub.1 -C.sub.8 alkoxy radical. R.sub.2 and R.sub.4 represent a straight- or branched-chain C.sub.1 -C.sub.8 alkyl radical. The molar ratio of compound (I) to the dibenzoylmethane derivative is greater than or equal to 0.6.
摘要:
A photostable cosmetic filter composition for protecting human skin against UV radiation at wavelengths between 280 and 380 nm comprises, in a cosmetically acceptable support medium containing at least one oily phase, 1 to 3% by weight of a dibenzoylmethane derivative and at least 1% by weight of a substituted dialkylbenzalmalonate having formula I: ##STR1## R.sub.1 and R.sub.3 may be identical or different and represent H or a straight- or branched-chain C.sub.1 -C.sub.8 alkoxy radical.R.sub.2 and R.sub.4 represent a straight- or branched-chain C.sub.1 -C.sub.8 alkyl radical.The molar ratio of compound (I) to the dibenzoylmethane derivative is greater than or equal to 0.6.
摘要:
The cosmetic use is described, for use as a UV filter, of dibenzoylmethane diorganopolysiloxanes having either formula: ##STR1## where R is C.sub.1 -C.sub.10 alkyl, phenyl or 3,3,3-trifluoropropyl, B is R or A, r=0-200, s=0-50, or formula: ##STR2## where u=1-20, t=0-20 and t+u.gtoreq.3. A and/or B represent an alkylene or alkyleneoxy-dibenzoylmethane which may be substituted.
摘要:
Process for dyeing keratin fibers by using derivatives of formula: ##STR1## where: R.sub.1 =H, lower alkyl or SiR.sub.11 R.sub.12 R.sub.13 ;R.sub.2 and R.sub.3, which may be identical or different, =H, alkyl, carboxyl, alkoxycarbonyl or --COOSiR.sub.11 R.sub.12 R.sub.13 ;R.sub.4 to R.sub.7, which may be identical or different, =H or an O--Z group, where Z=H, C.sub.1 -C.sub.20 alkyl, aralkyl, formyl, C.sub.2 -C.sub.20 acyl, C.sub.3 -C.sub.20 alkenyl, --SiR.sub.11 R.sub.12 R.sub.13, --P(O)(OR.sub.8).sub.2, R.sub.8 OSO.sub.2 ;or a heterocycle which may contain a P(O)(OR.sub.8) or CR.sub.9 R.sub.10 group;with the reservation that at least two of R.sub.4 to R.sub.7 denotes OZ or form a ring, and that at least one of R.sub.4 or R.sub.7 represents OZ;R.sub.8 and R.sub.9 =H, lower alkyl;R.sub.10 =alkoxy, mono- or dialkylamino;R.sub.11, R.sub.12 and R.sub.13, which may be identical or different, are alkyl groups;or their alkali metal, alkaline-earth metal, ammonium and amine salts.
摘要:
A compound of formula: ##STR1## wherein: x is oxygen, sulphur or an --NR--group, wherein R is hydrogen or a C.sub.1 -C.sub.6 alkyl group;R.sub.1 is hydrogen or a C.sub.1 -C.sub.6 alkyl, a C.sub.1 -C.sub.6 alkoxy, an -- SO.sub.2 Cl or -- SO.sub.2 NR.sub.4 R.sub.5 group wherein R.sub.4 and R.sub.5, which may be identical or different, are hydrogen, a C.sub.1 -C.sub.12 alkyl or C.sub.2 -C.sub.4 hydroxyalkyl group, or R.sub.1 is an --SO.sub.3 H or --SO.sub.3.sup..crclbar. M.sup..sym. group wherein M is potassium or sodium or an N(R.sub.6).sub.4.sup..sym. group, wherein each R.sub.6, which may be identical or different, is hydrogen, a C.sub.1 -C.sub.6 alkyl or C.sub.2 -C.sub.4 hydroxyalkyl group;R.sub.2 is hydrogen, a C.sub.1 -C.sub.6 alkyl or C.sub.1 -C.sub.6 alkoxy group, or R.sub.1 and R.sub.2 together are a methylenedioxy group;R.sub.3 is hydrogen or an --SO.sub.3 H, --SO.sub.3.sup..crclbar. M.sup..sym. or --SO.sub.2 NR.sub.4 R.sub.5 group wherein M, R.sub.4 and R.sub.5, which may be the identical or different to the M, R.sub.4 and R.sub.5 groups respectively above, have the same meanings as above is useful in cosmetics for protection against ultra-violet rays.
摘要翻译:下式的化合物:其中:x是氧,硫或-NR-基,其中R是氢或C1-C6烷基; R 1是氢或C 1 -C 6烷基,C 1 -C 6烷氧基,-SO 2 Cl或-SO 2 NR 4 R 5基团,其中R 4和R 5可以相同或不同,是氢,C 1 -C 12烷基或C 2 -C 4羟基烷基, 或R 1是-SO 3 H或-SO 3( - )M(+)基团,其中M是钾或钠或N(R 6)4(+)基团,其中每个可以相同或不同的R 6是氢, C 1 -C 6烷基或C 2 -C 4羟烷基; R2是氢,C1-C6烷基或C1-C6烷氧基,或R1和R2一起是亚甲二氧基; R 3为氢或-SO 3 H,-SO 3( - )M(+)或-SO 2 NR 4 R 5基团,其中M,R 4和R 5可以与上述M,R 4和R 5基团相同或不同,具有相同含义 如上所述在化妆品中可用于防紫外线。
摘要:
Use in cosmetics, especially as UV screens, of diorganopolysiloxanes containing a 2-hydroxybenzophenone functional group of formula: ##STR1## where R is C.sub.1 -C.sub.10 alkyl, phenyl or 3,3,3-trifluoropropyl, B is R or A, r=0-200, s=0-50, or of formula: ##STR2## where u=1-20 and t=0-20 and t+u.gtoreq.3, A and/or B denoting a 4-alkyleneoxy-2-hydroxybenzophenone radical.
摘要:
Use of modified diorganopolysiloxanes as antioxidants in cosmetics or in dermatology.Use, as an antioxidizing agent in cosmetics or in dermatology, of diorganopolysiloxanes (i) of formula (I): ##STR1## in which the symbols R denote alkyl or phenyl, B are chosen from the radicals R and A, a an integer chosen between 0 and 200 inclusive, b an integer chosen between 0 and 50 inclusive, and if b is equal to 0, at least one of the two symbols B is A,A is of formula: ##STR2## where: R.sub.1 denotes hydrogen or an alkyl,R.sub.2 denotes hydrogen, hydroxyl, alkyl or alkoxy,R.sub.3 denotes hydrogen, hydroxyl or alkyl,R.sub.4 denotes hydrogen or alkyl,R.sub.5 denotes hydrogen, hydroxyl or alkoxy,Y denotes:(O).sub.n --CH.sub.2 --CH(R.sub.6)--CH.sub.2 --whereR.sub.6 denotes hydrogen or alkyl and n has the value of 0 or 1,or (ii) of formula (II): ##STR3## where c is an integer between 1 and 20 inclusive,d is an integer between 2 and 20 inclusive, andc+d equal to or greater than 3.
摘要:
The cosmetic use is described, in particular for use as a UV filter, of benzalmalonate diorganopolysiloxanes having either formula: ##STR1## where R is C.sub.1 -C.sub.10 alkyl, phenyl or 3,3,3-trifluoropropyl, B is R or A, r=0-200, s=0-50, or formula: ##STR2## where u=1-20, t=0-20 and t+u.gtoreq.3. A and/or B represent an alkylene or alkyleneoxy benzalmalonate which may be substituted.
摘要:
Linear and cyclic diorganopolysiloxanes containing benzotriazole functional groups are well suited for the coating of optical fibers and for lubricating plastics, e.g., PVC.