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Biodegradable scale control composition for use in highly concentrated alkaline detergents

A composition and high-concentration technology, applied in the direction of surface active detergent composition, non-surface active detergent composition, detergent composition, etc., can solve the problem of not maintaining scaling inhibition, and achieve excellent scaling inhibition, Cost saving and volume reduction effect

Active Publication Date: 2011-05-04
AMERICAN DISINFECTOR CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

None of the traditional alkaline cleaners achieved scale control / inhibition at lower use concentrations nor did they maintain scale inhibition throughout the cleaning process

Method used

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  • Biodegradable scale control composition for use in highly concentrated alkaline detergents
  • Biodegradable scale control composition for use in highly concentrated alkaline detergents
  • Biodegradable scale control composition for use in highly concentrated alkaline detergents

Examples

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example

[0086] The following examples illustrate several embodiments of the compositions of the present invention and the advantages realized. The present invention is not intended to be limited by these examples, and it should be understood that those skilled in the art will recognize various compositions that can be prepared following the teachings herein to achieve the same results.

example 1

[0087] Example 1 - Evaluation of various chelating and sequestering agent combinations. Table I sets forth the combinations tested. These combinations were all mixed into a standard alkaline base comprising alkalinity source, surfactant system, corrosion inhibitor and water. The test results provide information on which combination is most effective in preventing scale formation. The most effective combinations are A, B, C, D, F, I and L. Further modifications and reassessments of these combinations are set forth herein.

[0088] Table I - Chelating Agents Sequestrant Combinations

[0089]

[0090]

example 2

[0091] Example 2 - Experiments were performed to determine the scale inhibition / control properties of various inventive formulations. Table II below lists the tested ingredients and their weight percentages in the formulations of the present invention.

[0092] Table II

[0093]

[0094] The above chelating agent / sequestering agent combinations were prepared in alkaline solution and evaluated for their combined efficacy in very hard water (ie calcium carbonate greater than 300 ppm). All formulations contained alkyl glucosides as solubilizers and the balance was water.

[0095] All formulations were tested at 1 / 10 oz / gal and 1 / 40 oz / gal using dilution rates (in water). Two formulations (40A and 47A) were also tested at 2 / 10 oz / gal using a dilution rate. The result is as figure 1 Said, which is expressed as a percentage of chelated calcium.

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Abstract

An alkaline concentrated detergent composition for use in cleaning hard surfaces, medical instruments and other metal components (parts, tools, utensils, vessels, equipment) having superior cleaning efficacy at much lower alkali content than traditional alkaline cleaners and enhanced scale control properties even when diluted to about 1 / 40 ounce per gallon to about 1 / 10 ounce per gallon in potable water and even in exceptionally hard water. The inventive composition maintains its superior cleaning efficacy and scale control properties during use.

Description

[0001] This application claims the benefit of priority to US Provisional Application No. 61 / 130,466, filed May 30, 2008. technical field [0002] The present invention relates to an ultra-concentrated alkaline detergent product comprising a synergistic scale control composition in combination with biodegradable chelants and sequestrants so as to A lower dilution strength than that of conventional concentrated alkaline detergent compositions provides better control of hard water scale formation. More particularly, the present invention is directed to an easy-to-use, biodegradable, ultra-concentrated alkaline detergent composition for use in cleaning medical instruments, utensils, and other equipment, as well as hard surfaces, at lower alkalinity levels for effective cleaning with superior scale inhibition, decolorization and compatibility properties. Maintains effective cleaning and beneficial properties when used diluted, even in extremely hard water. Background technique ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11D17/08
CPCC11D1/662C11D3/044C11D3/2086C11D3/225C11D3/33C11D3/364C11D3/3719C11D3/3765C11D7/268C11D7/3245C11D7/36B62K21/18Y10T74/2078
Inventor 安·玛莉亚·内普南希-禾菠·E·凯泽
Owner AMERICAN DISINFECTOR CO
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