One-piece washing tablet made from combination of compositions and preparation method thereof

A one-piece combination detergent tablet, comprising a detergent composition body A, a color-care and anti-stain composition body B, and an antibacterial and softening composition body C;

• wherein the detergent composition body A, the color-care and anti-stain composition body B, and the antibacterial and softening composition body C are independently arranged from each other and are arranged on a same surface of a water-soluble sheet;
• wherein the detergent composition body A comprises:
• an anionic surfactant A in a mass proportion of 16%-24%;
• a non-ionic surfactant A in a mass proportion of 5%-9%;
• a polymeric water-soluble film A in a mass proportion of 8%-15%;
• an additive A in a mass proportion of 9%-12%;
• and water for the rest;
• the color-care and anti-stain composition body B comprises:
• an anionic surfactant B in a mass proportion of 6%-12%;
• a non-ionic surfactant B in a mass proportion of 18%-24%;
• a polymeric water-soluble film B in a mass proportion of 7%-10%;
• an additive B in a mass proportion of 9%-14%;
• and water for the rest;
• the antibacterial and softening composition body C comprises:
• a non-ionic surfactant C in a mass proportion of 16%-25%;
• a quaternary ammonium cationic surfactant in a mass proportion of 5%-10%;
• a polymeric water-soluble film C in a mass proportion of 12%-18%;
• an additive C in a mass proportion of 14%-22%;
• an alkyl guanidine-type microbicide;
• and water for the rest;
• wherein the alkyl guanidine-type microbicide is one or more of:
• dodecyl guanidine acetate, poly(hexamethylene bisguanidine), poly(aminopropyl bisguanidine), chlorhexidine acetate, hydroxy phenyl ether;
• the total amount of the non-ionic surfactant A, the non-ionic surfactant B, and the non-ionic surfactant C in the one-piece combination detergent tablet is greater than the total amount of the anionic surfactant A and the anionic surfactant B;
• each of the polymeric water-soluble film A, the polymeric water-soluble film B, and the polymeric water-soluble film C is made from polyvinyl alcohol being compounded with polyvinyl pyrrolidone;
• the anionic surfactant A is made by sodium dodecyl sulfate, α-olefin sulfonate, fatty acid methyl ester sulfonate, sodium dodecyl polyether sulfate, and fatty acid methyl ester ethoxylate sulfate sodium salt being compounded with each other in a mass ratio of 5:2:1:1:1;
• the anionic surfactant B is made by sodium dodecyl sulfate, α-olefin sulfonate, fatty acid methyl ester sulfonate, sodium dodecyl polyether sulfate, fatty acid methyl ester ethoxylate sulfate sodium salt being compounded with each other in a mass ratio of 4:1:1:2:1;
• the non-ionic surfactant A is made by fatty alcohol polyoxyethylene ether, FMEE surfactant, and cocamide being compounded with each other;
• the non-ionic surfactant B is made by alkyl glycosides, FMEE surfactant, and cocamide being compounded with each other;
• and the non-ionic surfactant C is made by fatty alcohol polyoxyethylene ether, FMEE surfactant, cocamide, and alkyl glycoside being compounded with each other.