A neutral water-based cleaning agent

Abstract

The present invention provides a neutral water-based cleaning agent, belonging to the technical field of cleaning agents, and the technical scheme thereof comprises the following components by weight: 5 to 20 parts of a surfactant, 2 to 10 parts of a rust inhibitor, 1 to 5 parts of an auxiliary agent, 1 to 5 parts of a corrosion inhibitor, and 60 to 80 parts of water. The neutral water-based cleaning agent of the present invention has good water solubility, excellent penetration and cleaning performance under neutral conditions, good thermal stability, low foam, easy biodegradability, environmental friendliness, and the formula will not cause harm to users during use.

Description

Technical Field

[0001] The present invention relates to the technical field of cleaning agents, and in particular to a neutral water-based cleaning agent. Background Art

[0002] Industrial cleaning agents refer to chemical or biological agents used in industry to remove dirt. According to their chemical properties, industrial cleaning agents can be divided into non-aqueous industrial cleaning agents, namely solvent-based cleaning agents, and water-based industrial cleaning agents. Traditional solvent-based cleaning agents generally include hydrocarbons, chlorinated hydrocarbons, alkanes, fluorinated hydrocarbons, brominated hydrocarbons, alcohols, ethers, etc. These cleaning agents contain many chemical components, are easy to volatilize and produce unpleasant odors, which not only endanger human health, but also threaten the environment. Water-based industrial cleaning agents can be divided into acidic cleaning agents, alkaline cleaning agents, and neutral cleaning agents according to their acidity and alkalinity. Among them, acidic cleaning agents contain inorganic acids or organic acids, which are easy to corrode the cleaning products; alkaline cleaning agents contain strong alkalis and alkaline salts, which are easy to cause occupational hazards to operators. Although neutral cleaning agents are not easy to cause corrosion, they have weak cleaning power.

[0003] In addition, as people's environmental awareness and energy conservation and emission reduction requirements continue to increase, the requirements for cleaning products are also gradually increasing, and green, multifunctional and efficient cleaning agents are beginning to attract attention. The "green" of cleaning agents means that according to the basic principles of green chemistry, non-toxic and harmless raw materials are selected, and synthetic cleaning agents have strong detergency and can be biodegraded after use; the "multifunctional" of cleaning agents means that they can achieve good cleaning effects on different types of dirt.

[0004] In order to achieve harmlessness of industrial cleaning agents to the environment and operators while maintaining cleaning performance, technical personnel in this field need to provide an industrial neutral cleaning agent that has excellent penetration and cleaning performance under neutral conditions, good thermal stability, low foaming, easy biodegradability, environmental friendliness, and will not cause harm to users during use. Summary of the invention

[0005] The object of the present invention is to provide a neutral water-based cleaning agent which has good water solubility and a formula that is harmless to users.

[0006] In order to achieve the above-mentioned object of the invention, the present invention provides the following technical solutions:

[0007] A neutral water-based cleaning agent comprising the following components by weight:

[0008]

[0009]

[0010] Optionally, the surfactant includes one or more of anionic surfactants and nonionic surfactants.

[0011] Optionally, the anionic surfactant comprises fatty alcohol ether carboxylic acid, and the nonionic surfactant comprises alkyl glycoside.

[0012] Optionally, the fatty alcohol ether carboxylic acid includes isomeric decanol ether carboxylic acid or isomeric tridecanol ether carboxylic acid, and the alkyl glycoside includes isooctyl alkyl glycoside or isooctyl xyloside.

[0013] Optionally, the rust inhibitor comprises sodium nitrite.

[0014] Optionally, the auxiliary agent includes sodium silicate.

[0015] Optionally, the corrosion inhibitor includes dicyclohexylamine nitrite.

[0016] Optionally, the weight ratio of the anionic surfactant to the nonionic surfactant is (0-6):(0-2), and the anionic surfactant and the nonionic surfactant are not both 0.

[0017] The invention uses a biodegradable surfactant as a main active ingredient, discloses a neutral water-based cleaning agent with good water solubility, excellent penetrant cleaning performance under neutral conditions, good thermal stability, uniform and non-stratified under low and high temperature conditions, low foam, and easy biodegradation. The cleaning agent contains a corrosion inhibitor, and when cleaning metal objects, a protective layer can be formed on the surface of the metal object to slow down corrosion. It has the characteristics of being environmentally friendly, safe and reliable, and having good cleaning power. DETAILED DESCRIPTION

[0018] The present invention provides a neutral water-based cleaning agent, which comprises the following components by weight:

[0019]

[0020] In the present invention, the weight portion of the surfactant is 5 to 20 parts, preferably 7 to 19 parts, more preferably 9 to 17 parts, and even more preferably 10 to 15 parts.

[0021] In the present invention, the surfactant includes one or more of anionic surfactants and nonionic surfactants. Preferably, the anionic surfactant includes fatty alcohol ether carboxylic acid, and the nonionic surfactant includes alkyl glycoside. Furthermore, the fatty alcohol ether carboxylic acid is preferably isomeric decanol ether carboxylic acid or isomeric tridecyl alcohol ether carboxylic acid, and the alkyl glycoside is preferably isooctyl alkyl glycoside or isooctyl xyloside.

[0022] In the present invention, the structural formula of the fatty alcohol ether carboxylic acid is as follows:

[0023] R(CH2CH2O) n OCH2COOH

[0024] Wherein n is 5 to 10, specifically 5, 6, 7, 8, 9, 10; and when R is an isomeric ten carbon, it is an isomeric ten carbon alcohol ether carboxylic acid, and when R is an isomeric tridecanol ether carboxylic acid, it is an isomeric tridecanol ether carboxylic acid.

[0025] In the present invention, the structural formula of isooctyl xyloside is as follows:

[0026]

[0027] Wherein R is isooctyl; m is 1.2 to 1.8, specifically 1.2, 1.3, 1.4, 1.5, 1.6, 1.7 or 1.8.

[0028] In the present invention, the structural formula of the isooctyl alkyl glycoside is as follows:

[0029]

[0030] Wherein R is isooctyl; n is 1.2 to 1.8, specifically 1.2, 1.3, 1.4, 1.5, 1.6, 1.7 or 1.8.

[0031] In the present invention, the weight ratio of the anionic surfactant and the nonionic surfactant is (0-6): (0-2), preferably (0-6): (0-3), and more preferably (0-6): (0-4), and the anionic surfactant and the nonionic surfactant are not 0 at the same time.

[0032] In the present invention, the weight portion of the rust inhibitor is 2 to 10 parts, preferably 3 to 10 parts, more preferably 4 to 9 parts, and even more preferably 5 to 8 parts, and the rust inhibitor includes sodium nitrite.

[0033] In the present invention, the weight portion of the auxiliary agent is 1 to 5 parts, preferably 2 to 5 parts, and more preferably 2 to 4 parts, and the auxiliary agent includes sodium silicate.

[0034] In the present invention, the weight proportion of the corrosion inhibitor is 1 to 5 parts, preferably 2 to 5 parts, and more preferably 2 to 4 parts, and the corrosion inhibitor comprises dicyclohexylamine nitrite.

[0035] In the present invention, the weight proportion of the water is 60 to 80 parts, preferably 65 to 79 parts, and more preferably 66 to 77 parts. The water is preferably deionized water.

[0036] The present invention has no special requirements for the preparation of the neutral water-based cleaning agent, and all materials need to be mixed evenly.

[0037] The technical solutions provided by the present invention are described in detail below in conjunction with the embodiments, but they should not be construed as limiting the protection scope of the present invention.

[0038] Example 1

[0039] A neutral water-based industrial cleaning agent, the weight proportions of the components are as follows:

[0040] 11 parts of surfactant, including 5 parts of isomeric decacarbonyl ether carboxylic acid and 6 parts of isooctyl alkyl glycoside,

[0041] 5 parts of sodium nitrite,

[0042] 2 parts of sodium silicate,

[0043] 2 parts of dicyclohexylamine nitrite,

[0044] 80 parts of deionized water.

[0045] Example 2

[0046] A neutral water-based industrial cleaning agent, the weight proportions of the components are as follows:

[0047] 18 parts of surfactant, including 10 parts of isomeric tridecanol ether carboxylic acid, 8 parts of isooctyl xyloside, 10 parts of sodium nitrite,

[0048] 5 parts of sodium silicate,

[0049] 1 part of dicyclohexylamine nitrite,

[0050] 66 parts of deionized water.

[0051] Example 3

[0052] A neutral water-based industrial cleaning agent, the weight proportions of the components are as follows:

[0053] 20 parts of surfactant, including 20 parts of isomeric decyl alcohol ether carboxylic acid,

[0054] 8 parts of sodium nitrite,

[0055] 1 part of sodium silicate,

[0056] 5 parts of dicyclohexylamine nitrite,

[0057] 66 parts of deionized water.

[0058] Example 4

[0059] A neutral water-based industrial cleaning agent, the weight proportions of the components are as follows:

[0060] 5 parts of surfactant, including 5 parts of isooctyl xyloside,

[0061] 10 parts of sodium nitrite,

[0062] 4 parts of sodium silicate,

[0063] 5 parts of dicyclohexylamine nitrite,

[0064] 76 parts of deionized water.

[0065] Example 5

[0066] A neutral water-based industrial cleaning agent, the weight proportions of the components are as follows:

[0067] 14 parts of surfactant, including 9 parts of isomeric decacarboxylic acid, 5 parts of isooctyl xyloside, 2 parts of sodium nitrite,

[0068] 2 parts of sodium silicate,

[0069] 2 parts of dicyclohexylamine nitrite,

[0070] 80 parts of deionized water.

[0071] Example 6

[0072] A neutral water-based industrial cleaning agent, the weight proportions of the components are as follows:

[0073] 8 parts of surfactant, including 6 parts of isomeric tridecanol ether carboxylic acid, 2 parts of isooctyl alkyl glucoside, 8 parts of sodium nitrite,

[0074] 5 parts of sodium silicate,

[0075] 4 parts of dicyclohexylamine nitrite,

[0076] 75 parts of deionized water.

[0077] Experimental example

[0078] With reference to QB / T 2117 “Universal Water-Based Metal Cleaner”, the pH, cleaning power, rinsing performance, stability, etc. of the cleaning agents prepared in Examples 1 to 6 were measured. The measurement results are shown in Table 1.

[0079] Table 1 Determination results of cleaning agent performance

[0080]

[0081] It can be seen from the above examples that the pH of the water-based cleaning agent provided by the present invention is about 7.0, which is indeed a neutral water-based cleaning agent. In addition, the cleaning power of the water-based cleaning agent exceeds 90%, and it has an excellent cleaning effect. When the water-based cleaning agent provided by the present invention is used to clean stainless steel sheets, no visible cleaning agent residue is left. In addition, the cleaning agent provided by the present invention has no precipitation and a uniform texture without stratification, and is stable in both high and low temperature environments.

[0082] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A neutral water-based cleaning agent, characterized in that: By weight, it is composed of the following components: The surfactant is one or more of anionic surfactant and nonionic surfactant; The anionic surfactant is a fatty alcohol ether carboxylic acid, and the nonionic surfactant is an alkyl glycoside; The rust inhibitor is sodium nitrite, and the corrosion inhibitor is dicyclohexylamine nitrite; The weight ratio of the anionic surfactant to the nonionic surfactant is (0-6):(0-2), and the anionic surfactant and the nonionic surfactant are not 0 at the same time.

2. The neutral water-based detergent according to claim 1, characterized in that The fatty alcohol ether carboxylic acid is isomeric deca-alcohol ether carboxylic acid or isomeric tridecanol ether carboxylic acid, and the alkyl glycoside is isooctyl alcohol alkyl glycoside or isooctyl alcohol xyloside.

3. The neutral water-based detergent according to any one of claims 1 to 2, characterized in that: The auxiliary agent is sodium silicate.

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