[EN] POLY(SILSESQUIOXANE) SPHERICAL PARTICLE CONTAINING ULTRAVIOLET LIGHT-ABSORBING GROUP AND MANUFACTURING METHOD THEREOF<br/>[FR] PARTICULE SPHERIQUE DE POLY(SILSESQUIOXANE) CONTENANT UN GROUPE ABSORBANT LE RAYONNEMENT ULTRAVIOLET, ET PROCEDE PERMETTANT DE PRODUIRE CETTE PARTICULE
申请人:SAIMDANG COSMETICS CO LTD
公开号:WO2005105028A1
公开(公告)日:2005-11-10
The present invention relates to a polysilsesquioxane spherical particle containing a ultraviolet light (UV) absorbing group, and manufacturing method thereof , characterized in that a preferred embodiment of the present invention comprises (i) preparing a silsesquioxane precursor containing the UV-absorbing group; and (ii) reacting the silsesquioxane precursor prepared in the step (i) with aminoalkylalkoxy silane compound or its oligomer under a solvent by means of a catalyst or a catalyst and co-polymerization precursor to prepare a polysilsesquioxane spherical particle containing a UV-absorbing group. The present invention provides the polysilsesquioxane spherical particle having a good physical property and a good UV-absorbing efficiency as cosmetic additive, and a simple and economical method of manufacturing the spherical particle.
本发明涉及一种含有紫外线吸收基团的聚硅氧烷球形粒子及其制备方法,其特征在于,本发明的一种优选实施方式包括:(i)制备含有紫外线吸收基团的硅氧烷前体;以及(ii)在溶剂中通过催化剂或催化剂和共聚物前体,将步骤(i)中制备的硅氧烷前体与氨基烷基烷氧基硅烷化合物或其寡聚物反应,制备含有紫外线吸收基团的聚硅氧烷球形粒子。本发明提供了一种作为化妆品添加剂具有良好物理性质和良好紫外线吸收效率的聚硅氧烷球形粒子,以及一种简单、经济的制备球形粒子的方法。