申请人:Wella Aktiengesellschaft
公开号:EP1820487A1
公开(公告)日:2007-08-22
The present patent application relates to dye-containing pellets obtained by (a) homogeneous mixing of a starting material containing at least one natural and/or synthetic dye with a suitable carrier material and then coating with a suitable encapsulation material or (b) coating a suitable carrier material with a mixture of at least one natural and/or synthetic dye and at least one suitable, encapsulation material, to the use of said pellets for preparing colorants for keratin fibers and to the colorants based on said pellets. Furthermore the present patent application relates to the use of these pellets for increasing the shine of the keratin fibers, reducing the scalp colouring of hair dyes, improving the protection for the cortex, increasing the colourant efficiency and reducing the load of colourants, and improving the wash resistance.
本专利申请涉及通过以下方法获得的含染料颗粒:(a) 将含有至少一种天然和/或合成染料的起始材料与适当的载体材料均匀混合,然后涂上适当的封装材料,或 (b) 在适当的载体材料上涂上至少一种天然和/或合成染料与至少一种适当的封装材料的混合物;使用所述颗粒制备角蛋白纤维着色剂;以及基于所述颗粒的着色剂。此外,本专利申请还涉及使用这些颗粒增加角蛋白纤维的光泽,减少染发剂对头皮的染色,改善对皮质的保护,提高染色剂的效率,减少染色剂的负荷,以及改善耐洗性。