申请人:The Clorox Company
公开号:EP0694607A2
公开(公告)日:1996-01-31
The present invention provides stable bleach activator granules comprising:
a) a peroxygen bleach activator having the structure:
wherein R is C₁₋₂₀ branched or straight chain alkyl, alkoxylated alkyl, cycloalkyl, alkenyl, aryl, substituted aryl, alkylaryl; R' and R'' are independently H, C₁₋₄ alkyl, aryl; and L is a leaving group;
b) a pliable binding material selected from materials having a melting completion temperature of greater than about 40°C; and
c) a solubilizing aid selected from the group consisting of magnesium sulfate, alkali aryl sulfonate, polyvinyl pyrrolidone or mixtures thereof.
The invention can also include additional stiffeners, such as calcium or magnesium silicate, or silica.
本发明提供了稳定的漂白活化剂颗粒,包括
a) 具有以下结构的过氧漂白活化剂
其中R是C₁₋₂₀支链或直链烷基、烷氧基化烷基、环烷基、烯基、芳基、取代芳基、烷芳基;R'和R''独立地是H、C₁₋₄烷基、芳基;L是离去基团;
b) 一种柔韧的结合材料,选自熔化完成温度高于约 40°C 的材料;以及
c) 选自硫酸镁、碱芳基磺酸盐、聚乙烯吡咯烷酮或其混合物的增溶剂。
本发明还可包括额外的硬化剂,如硅酸钙或硅酸镁或二氧化硅。