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2. 发明授权

US06207635B1 Process for manufacture of high density detergent granules 失效
标题翻译：制造高密度洗涤剂颗粒的方法
公开(公告)号：US06207635B1
公开(公告)日：2001-03-27
申请号：US09125550
申请日：1998-08-27
申请人： Donald Scott Adams , Bruce Albert Yeazell , Eric Fitzgerald Riddick , Junan Kao
发明人： Donald Scott Adams , Bruce Albert Yeazell , Eric Fitzgerald Riddick , Junan Kao
IPC分类号： C11D1100
CPC分类号： C11D17/065 , C11D1/02 , C11D3/06 , C11D3/10 , C11D3/1226 , C11D11/04
摘要： A process for preparing detergent agglomerates is disclosed. The process includes the steps of (a) preparing a mixture of detergent components in a mixer, and (b) agglomerating the mixture from step (a) in a moderate speed mixer to produce detergent agglomerates. The detergent components include (1) from about 20% to about 35% of a surfactant compound selected from the group consisting of anionic surfactants and acid precursors of anionic surfactants; (2) from about 0% to about 65% of a particulate phosphate builder selected from the group consisting of polyphosphate, pyrophosphate, and mixtures thereof; (3) from about 6% to about 60% of a particulate carbonate selected from the group consisting of sodium carbonate, potassium carbonate, and mixtures thereof. Further, when an acid precursor of anionic surfactant is used in (1), the amount of carbonate is at least 2 times that which is sufficient to neutralize the surfactant acid, and at least 40% of the total amount of components (2) and (3) meets a particle size specification of 97% of particles less than 50 microns and median particle size of 5 to 20 microns.
摘要翻译：公开了一种制备洗涤剂团块的方法。该方法包括以下步骤：（a）在混合器中制备洗涤剂组分的混合物，和（b）在中等速度混合器中将来自步骤（a）的混合物凝聚以产生洗涤剂附聚物。洗涤剂组分包括（1）约20％至约35％的选自阴离子表面活性剂和阴离子表面活性剂的酸前体的表面活性剂化合物; （2）约0％至约65％的选自多磷酸盐，焦磷酸盐及其混合物的颗粒状磷酸盐助洗剂; （3）约6％至约60％的选自碳酸钠，碳酸钾及其混合物的颗粒状碳酸盐。此外，当在（1）中使用阴离子表面活性剂的酸前体时，碳酸盐的量为足以中和表面活性剂酸的量的至少2倍，并且至少40％的组分（2）和（3）满足97％的小于50微米的颗粒和5至20微米的中值粒度的粒度规格。

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