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Enzyme-containing fabric detergent with synergistic anticorrosion effect

A technology for anti-corrosion and detergent, applied in detergent compositions, detergent compounding agents, soap detergent compositions, etc., can solve problems such as liquid detergents that have not yet appeared, reduce quality risks, enhance performance, and improve products. performance effect

Active Publication Date: 2012-07-11
GUANGZHOU LIBY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] At present, there is no liquid detergent containing compound preservatives

Method used

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  • Enzyme-containing fabric detergent with synergistic anticorrosion effect
  • Enzyme-containing fabric detergent with synergistic anticorrosion effect
  • Enzyme-containing fabric detergent with synergistic anticorrosion effect

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0038] The preparation method of each embodiment is the same as the conventional fabric detergent preparation method, and the main steps are as follows:

[0039] 1. Quantitatively weigh each component, add surfactant and other additives in sequence, and stir evenly;

[0040] 2. Finally, adjust the pH value to be less than 9, and add preservatives.

[0041] The anticorrosion performance test method of each embodiment is as follows:

[0042] 1. Linear regression test experiment

[0043] Add different preservatives and their proportions to the detergent, and screen out the preservative compound system with synergistic effect by linear regression method. Linear regression test The time required for the experimental microbial flora to decrease by one decimal (expressed in D value), that is, the time required for 90% inactivation of the microbial flora contacted with the preservative.

[0044] 1. Stimulate the experimental microorganisms

[0045] The microorganisms used in the c...

Embodiment 1～7

[0058]

[0059]

[0060] In embodiment 1-7, add two kinds of preservatives of different concentration ratio, add 10 6 coli, test the colony concentration at intervals of 1h, 2h, 3h, and 4h. The negative logarithm of the colony concentration was plotted against the time to calculate the D value.

[0061] It can be seen from the calculated D value that when adding the preservative with a total concentration of 30ppm in the above examples, the weight of 1,2-benzisothiazolin-3-ketone and 2-methylisothiazolin-3-ketone When the ratio is 1:2, 1:1, 1:1.3, 2:1, it has good synergistic antiseptic effect and microbial tolerance, which is better than adding a single preservative. When the ratio of the two is 1:1.3, it has the best synergistic antiseptic effect.

Embodiment 8～15

[0063]

[0064]

[0065] Add two kinds of preservatives of different concentration ratio in present embodiment 8~15, add 10 6 coli, test the colony concentration at intervals of 1h, 2h, 3h, and 4h. The negative logarithm of the colony concentration was plotted against the time to calculate the D value.

[0066] It can be seen from the calculated D value that when adding a preservative with a total concentration of 40ppm in the above examples, 1,2-benzisothiazolin-3-one and 2-methylisothiazolin-3-one complex When the ratio is 1:3, 3:5, 1:1, 5:3, 3:1, it has good synergistic antiseptic effect and microbial tolerance, which is better than adding a single preservative. When the concentration ratio of the two is 1:1, it has the best synergistic antiseptic effect.

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Abstract

The invention provides an enzyme-containing fabric detergent which comprises at least a conventional enzyme-containing fabric detergent compound, and preservatives with a concentration of 10 to 500ppm in the conventional enzyme-containing fabric detergent compound, wherein the preservatives comprise at least two from 1,2-benzoisothiazolin-3-one, 2-methylisothiazolin-3-one, 5-chloro-2-methylisothiazolin-3-one, 2-bromo-2-nitro-1, and propylene glycol. The enzyme-containing fabric detergent provided by the invention combines two different preservatives, utilizes a synergistic effect of the preservatives, has good synergistic anticorrosion performance, and has the advantages that the performance and the enzyme stability of the detergent can be further enhanced, the period of validity is prolonged, quality risks are reduced and the product performance is improved.

Description

technical field [0001] The invention belongs to the field of daily chemical industry, and in particular relates to a liquid detergent with antiseptic effect. Background technique [0002] Due to the advantages of convenient use, good solubility, mildness and non-irritation, liquid detergents have become more and more popular among consumers in recent years, showing explosive growth in the Chinese market. People's requirements for liquid detergents are also getting higher and higher. In order to provide better decontamination effects, adding highly efficient and specific biological enzymes has become an inevitable trend in the development of laundry detergents. The main components of enzyme-containing laundry detergent are water, surfactants, various enzymes and functional additives. The laundry detergent with different types of enzymes has significantly better decontamination ability on special dirt than ordinary laundry detergent. However, for liquid detergents with enzyme...

Claims

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Application Information

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IPC IPC(8): C11D10/02C11D3/386C11D3/48C11D7/42A01N43/80A01N33/20A01P1/00A01P3/00
Inventor 邱振名刘孝龙江丹
Owner GUANGZHOU LIBY
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