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Liquid detergent composition suitable for automatic feeding of dish-washing machine

A liquid detergent, automatic feeding technology, applied in the direction of detergent composition, organic detergent composition, surface active detergent composition, etc., can solve the problems of high humidity and storage temperature changes in dishwashers

Inactive Publication Date: 2020-04-28
FOSHAN SHUNDE MIDEA WASHING APPLIANCES MFG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the detergent needs to be stored in the dispenser cavity for a long time, and the storage temperature will change with the operation of the washing program, and the humidity inside the dishwasher is very high, so the stability of the physical and chemical properties of the detergent is raised. very demanding

Method used

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  • Liquid detergent composition suitable for automatic feeding of dish-washing machine
  • Liquid detergent composition suitable for automatic feeding of dish-washing machine
  • Liquid detergent composition suitable for automatic feeding of dish-washing machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] In this example, a liquid detergent composition was formulated. For the specific composition of the liquid detergent composition of this embodiment, please refer to Table 1, and the percentages in Table 1 are all percentages by weight. Among them, the rheology modifier is first added to deionized water, stirred and dispersed evenly; then non-ionic surfactant, alkaline additives, chelating agent, dirt dispersant, corrosion inhibitor, co-solvent are added in sequence, and then adjusted pH; then add preservatives, flavors, enzyme preparations and pigments in sequence, and finally fully stir evenly to obtain a liquid detergent composition.

[0051] Table 1. Liquid detergent composition formulations of various examples

[0052]

Embodiment 2

[0056] In this example, according to substantially the same method and conditions as in Example 1, a liquid detergent composition was prepared. Please refer to Table 1 for the specific composition of the liquid detergent composition of this embodiment. The difference is that, in this embodiment, the addition of sodium hydroxide is 0.5%, and the chelating agent selects 5% sodium citrate and 10% sodium gluconate; the addition of protease is 3%, and the addition of amylase 1%. , the addition of Kathon is 0.5%, the addition of lemon essence is 0.05%, and the addition of pigment is 0.3%.

Embodiment 3

[0060] In this example, the liquid detergent compositions in Examples 1-2 and Comparative Examples 1-2 were subjected to a stability test, a viscosity change test, an enzyme activity test and a washing performance test, respectively. Among them, the stability test includes placing at 40 degrees Celsius for 8 weeks and repeated freezing and thawing 3 times; the temperature test range of the viscosity change test is from 10 to 50 degrees Celsius; Enzyme activity test of protease and amylase; washing performance test According to the GB / T24693 standard, the washing performance level and tea stain cleaning score are tested.

[0061] In this example, refer to Table 2 for the stability test results of 4 liquid detergent compositions. As can be seen from Table 2, the stability of the liquid detergent compositions of Examples 1 and 2 is better, and there is no problem of gelling, delamination or precipitation; but, the high and low temperature stability of Comparative Example 1 is all...

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Abstract

The invention provides a liquid detergent composition suitable for automatic feeding of a dish-washing machine. The liquid detergent composition comprises a nonionic surfactant, an alkaline auxiliaryagent, a chelating agent, an enzyme preparation, a rheology modifier and deionized water, and the rheology modifier comprises at least one of carboxymethyl cellulose, hydroxyethyl cellulose, xanthan gum, carbomer, sodium chloride and magnesium chloride. The invention provides the liquid detergent composition. The rheology modifier is added to endow the liquid detergent with proper viscosity, so that the liquid detergent is not gelled, layered and separated out after being stored in the cavity of an automatic feeding distributor of the dish-washing machine for a long time, and the liquid detergent composition has stable physicochemical properties, stable viscosity during temperature change and stable enzyme activity, so that the decontamination capability of the liquid detergent is better.

Description

technical field [0001] The invention relates to the technical field of daily chemical detergents, in particular, the invention relates to a liquid detergent composition suitable for automatic dispensing of dishwashers. Background technique [0002] Household automatic dishwashers have multiple functions of cleaning, disinfecting, drying and storing tableware. They are fast, convenient, fashionable and environmentally friendly, satisfying consumers' pursuit of high-quality life, and will be a necessity for future home kitchens. Dishwashers use high-pressure water flow to perform three-dimensional and all-round powerful scouring of tableware, high-temperature hot water soaks and expands food residues, and detergent moistens and emulsifies stains on the surface of tableware to remove them, and finally achieves a high-level cleaning effect on tableware. [0003] The detergent for the dishwasher requires low foam or even no foam, because too much foam will affect the operation of...

Claims

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Application Information

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IPC IPC(8): C11D1/722C11D1/66C11D3/37C11D3/04C11D3/20C11D3/08C11D3/386C11D3/50C11D3/34C11D3/40C11D3/60
CPCC11D1/662C11D1/722C11D3/00C11D3/044C11D3/08C11D3/2044C11D3/2086C11D3/349C11D3/3765C11D3/38663C11D3/40C11D3/50
Inventor 杜剑李翔
Owner FOSHAN SHUNDE MIDEA WASHING APPLIANCES MFG CO LTD
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