申请人:BASF SE
公开号:EP3492144A1
公开(公告)日:2019-06-05
Disclosed is the use of UV absorbers selected from
(a2) hydroxyphenyl triazines of formula
in which
R1, R2 and R3 independently of one another, are C1-C18alkyl; and
(a3) benzotriazole derivatives of formula
wherein
R4 is a random statistical mixture of at least three isomeric branched secondary alkyl groups each having 8 to 30 carbon atoms and having the formula
E1 is a straight-chain C1-C14alkyl;
E2 is a straight-chain C4-C15alkyl; wherein the total number of carbon atoms in E1 plus E2 is from 7 to 29; and
R5 is C1-C5alkyl;
for stabilizing cosmetic compositions against photodegradation comprising
(b)symmetrical triazine derivatives of formula
wherein
A is a radical of formula
R6 and R10 independently from each other are hydrogen; C1-C18alkyl; or C6-C12aryl;
R7, R8 and R9 independently from each other are hydrogen; or a radical of formula
wherein, in formula (3a), at least one of the radicals R7, R8 and R9 are a radical of formula (3c);
R11, R12, R13 and R14 independently from each other are hydrogen; hydroxy; halogen; C1-C18alkyl; C1-C18alkoxy; C6-C12aryl; biphenylyl; C6-C12aryloxy; C1-C18alkylthio; carboxy; -COOM; C1-C18-alkylcarboxyl; aminocarbonyl; mono- or di-C1-C18alkylamino; C1-C10acylamino; or -COOH;
M is an alkali metal ion;
x is 1 or 2; and
y is a number from 2 to 10;
and a UV-absorber selected from
(c1) cinnamic acid derivatives; and
(c2) dibenzoylmethane derivatives.
所公开的紫外线吸收剂选自以下物质
(a2) 式中的羟苯基三嗪
其中
R1、R2 和 R3 相互独立地为 C1-C18 烷基;以及
(a3) 式中的苯并三唑衍生物
其中
R4 是至少三个异构支链仲烷基的无规统计混合物,每个烷基具有 8 至 30 个碳原子,其式为
E1 是直链 C1-C14 烷基;
E2 是直链 C4-C15 烷基;其中 E1 加 E2 的碳原子总数为 7 至 29;以及
R5 是 C1-C5 烷基;
用于稳定化妆品组合物以防止光降解,包括
(b) 式中的对称三嗪衍生物
其中
A 是式中的基团
R6和R10各自独立地为氢、C1-C18烷基或C6-C12芳基;
R7、R8 和 R9 相互独立地为氢;或式中的一个基团
其中,在式 (3a) 中,R7、R8 和 R9 中至少有一个是式 (3c) 的基;
R11、R12、R13 和 R14 相互独立地为氢;羟基;卤素;C1-C18 烷基;C1-C18 烷氧基;C6-C12 芳基;联苯;C6-C12 芳氧基;C1-C18 烷硫基;羧基;-COOM;C1-C18-烷基羧基;氨基羰基;单-或二-C1-C18 烷基氨基;C1-C10 乙酰氨基;或 -COOH;
M 是碱金属离子
x 是 1 或 2;以及
y 是 2 至 10 的数字;
紫外线吸收剂选自
(c1) 肉桂酸衍生物;和
(c2) 二苯甲酰甲烷衍生物。