| 摘要 |
<p>A PROCESS FOR WASHING AN ITEM TO BE WASHED IN A WASHTUB COMPRISING AN ANIONIC SURFACTANT, A BUILDER FOR CAPTURING A WATER-HARDNESS COMPONENT, AN ALKALINE SUBSTANCE AND A SULFONIC ACID-BASED POLYMER, WHEREIN THE SULFONIC ACID-BASED POLYMER CONTAINS A MONOMER UNIT REPRESENTED BY THE FORMULA (I) IN A RATIO OF FROM 50 TO 100% BY MOL OF THE ENTIRE CONSTITUTING MONOMERS, AND HAS A WEIGHT-AVERAGE MOLECULAR WEIGHT OF FROM 1,000,000 TO 30,000,000, THE PROCESS INCLUDING THE STEPS OF CONTACTING AN ITEM TO BE WASHED WITH AN ANIONIC SURFACTANT, AN ENTIRE PART OR A PART OF WHICH IS DISSOLVED IN THE WASHTUB, AND THEREAFTER CONTACTING FURTHER WITH THE SULFONIC ACID-BASED POLYMER; AND A POWDER DETERGENT COMPOSITION OBTAINABLE BY MIXING BASE DETERGENT PARTICLES CONTAINING AN ANIONIC SURFACTANT, AND SEPARATELY PREPARED PARTICLES THEREFROM CONTAINING 70% BY WEIGHT OR MORE OF THE SULFONIC ACID-BASED POLYMER CONTAINING A MONOMER UNIT REPRESENTED BY THE FORMULA (I) IN A RATIO OF FROM 50 TO 100% BY MOL OF THE ENTIRE CONSTITUTING MONOMERS, THE SULFONIC ACID-BASED POLYMER HAVING A WEIGHT-AVERAGE MOLECULAR WEIGHT OF FROM 1,000,000 TO 30,000,000. THE PROCESS FOR WASHING AND THE POWDER DETERGENT COMPOSITION OF THE PRESENT INVENTION IMPROVE BURDEN OF LABOR UPON HAND-WASHING. THE COMPOSITION IS APPLICABLE FOR POWDER DETERGENTS ESPECIALLY FOR HAND-WASHING.</p> |
