申请人:Takasago International Corporation
公开号:EP1767613A1
公开(公告)日:2007-03-28
The present invention relates to a process for the manufacture of a spray dried powder which comprises the the steps of (a) forming a warm, stirred aqueous slurry comprising: inorganic salts, at least one binding agent and from 0.001 to 20% by weight of capsules, based on the weight of spray dried powder, containing benefit agents including at least perfume, (b) spray drying the resultant slurry to form a spray dried powder, said capsules being such that :
1) more than 40% of the benefit agents remain encapsulated 60 minutes after dispersion thereof at 70°C in the slurry as defined in the "slurry survival test" in a sealed vessel without agitation ;
2) more than 30% of the benefit agents added for 15 minutes to an ambient slurry as defined in the "spray dry test" survive spray drying through a laboratory scale spray drier.
Application : manufacture of detergents.
本发明涉及一种制造喷雾干燥粉末的工艺,该工艺包括以下步骤:(a)形成一种温热的、搅拌的水性浆液,该浆液包括:无机盐、至少一种结合剂和按喷雾干燥粉末重量计0.001-20%(重量)的胶囊,胶囊中含有至少包括香水在内的功效剂;(b)喷雾干燥所得浆液以形成喷雾干燥粉末,所述胶囊应满足以下条件:
1) 在无搅拌的密封容器中,按照 "浆液存活试验 "的定义,在 70°C 的浆液中分散 60 分钟后,仍有 40% 以上的益肤剂被包裹;
2) 在 "喷雾干燥试验 "中定义的环境浆料中添加 15 分钟后,30% 以上的增效剂能在实验室规模的喷雾干燥机中经受住喷雾干燥。
应用:生产洗涤剂。