申请人:——
公开号:US20040147602A1
公开(公告)日:2004-07-29
Novel mixed esters of dicarboxylic acids with monohydric fatty alcohols and propoxylated fatty alcohols show unexpected superior properties as pigment dispersants, especially for inorganic pigments used in foundations, make-ups, lipsticks and physical sunscreens. The compounds of the present invention show superior pigment wetting and dispersing properties, as demonstrated by their ability to form fluid, very high-solids dispersions, while exhibiting unusual emolliency and gloss formation.
The novel compounds of this invention have the following structural formula:
1
wherein R
1
is has the structural formula:
2
wherein:
R
4
is a saturated or unsaturated, substituted or unsubstituted aliphatic moiety containing from 4 to 24 carbon atoms;
X is an integer from 3 to 30;
R
2
is a saturated or unsaturated, substituted or unsubstituted aliphatic moiety which contains from 4 to 40 carbon atoms; and
R
3
is a saturated or unsaturated, straight chain or branched chain aliphatic moiety containing from 12 to 24 carbon atoms.The preferred compounds are Octyldodecyl PPG-3 Myristyl Ether Dilinoleate and Isostearyl PPG-4 Butyloctyl Ether Dilinoleate.
新型混合二元酸单羟基脂肪酸酯和丙氧基化脂肪酸醇酯显示出作为颜料分散剂的意外优越性能,尤其适用于粉底、彩妆、口红和物理防晒剂中使用的无机颜料。本发明的化合物表现出优异的颜料润湿和分散性能,如其能够形成流动性强、高固含量的分散体系,同时展现出不同寻常的柔软性和光泽形成能力。本发明的新型化合物具有以下结构式:1其中R1具有以下结构式:2其中:R4为饱和或不饱和、取代或未取代的含有4至24个碳原子的脂肪族基团;X为3至30的整数;R2为饱和或不饱和、取代或未取代的含有4至40个碳原子的脂肪族基团;且R3为饱和或不饱和、直链或支链的含有12至24个碳原子的脂肪族基团。优选化合物为辛基十二烷基PPG-3肉豆蔻基醚二亚油酸酯和异硬脂基PPG-4丁基辛基醚二亚油酸酯。